??xml version="1.0" encoding="utf-8" standalone="yes"?>亚洲国产成人无码AV在线影院,亚洲美国产亚洲AV,亚洲网站在线观看http://www.tkk7.com/angel512/zd老,学到老!zh-cnSun, 11 May 2025 14:50:07 GMTSun, 11 May 2025 14:50:07 GMT60截取带中文的字符?/title><link>http://www.tkk7.com/angel512/articles/181945.html</link><dc:creator>angel</dc:creator><author>angel</author><pubDate>Mon, 25 Feb 2008 03:38:00 GMT</pubDate><guid>http://www.tkk7.com/angel512/articles/181945.html</guid><wfw:comment>http://www.tkk7.com/angel512/comments/181945.html</wfw:comment><comments>http://www.tkk7.com/angel512/articles/181945.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.tkk7.com/angel512/comments/commentRss/181945.html</wfw:commentRss><trackback:ping>http://www.tkk7.com/angel512/services/trackbacks/181945.html</trackback:ping><description><![CDATA[如:abc中国   <div style="border-right: #cccccc 1px solid; padding-right: 5px; border-top: #cccccc 1px solid; padding-left: 4px; font-size: 13px; padding-bottom: 4px; border-left: #cccccc 1px solid; width: 98%; word-break: break-all; padding-top: 4px; border-bottom: #cccccc 1px solid; background-color: #eeeeee"><img src="http://www.tkk7.com/images/OutliningIndicators/None.gif" align="top" alt="" /><span style="color: #0000ff">package</span><span style="color: #000000"> com;<br /> <img src="http://www.tkk7.com/images/OutliningIndicators/None.gif" align="top" alt="" /><br /> <img id="Codehighlighter1_32_786_Open_Image" onclick="this.style.display='none'; Codehighlighter1_32_786_Open_Text.style.display='none'; Codehighlighter1_32_786_Closed_Image.style.display='inline'; Codehighlighter1_32_786_Closed_Text.style.display='inline';" src="http://www.tkk7.com/images/OutliningIndicators/ExpandedBlockStart.gif" align="top" alt="" /><img id="Codehighlighter1_32_786_Closed_Image" style="display: none" onclick="this.style.display='none'; Codehighlighter1_32_786_Closed_Text.style.display='none'; Codehighlighter1_32_786_Open_Image.style.display='inline'; Codehighlighter1_32_786_Open_Text.style.display='inline';" src="http://www.tkk7.com/images/OutliningIndicators/ContractedBlock.gif" align="top" alt="" /></span><span style="color: #0000ff">class</span><span style="color: #000000"> splitstring </span><span id="Codehighlighter1_32_786_Closed_Text" style="border-right: #808080 1px solid; border-top: #808080 1px solid; display: none; border-left: #808080 1px solid; border-bottom: #808080 1px solid; background-color: #ffffff"><img src="http://www.tkk7.com/Images/dot.gif" alt="" /></span><span id="Codehighlighter1_32_786_Open_Text"><span style="color: #000000">{<br /> <img src="http://www.tkk7.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" />    </span><span style="color: #0000ff">private</span><span style="color: #000000"> String str;<br /> <img src="http://www.tkk7.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" /><br /> <img src="http://www.tkk7.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" />    </span><span style="color: #0000ff">private</span><span style="color: #000000"> </span><span style="color: #0000ff">int</span><span style="color: #000000"> bytenum;<br /> <img src="http://www.tkk7.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" /><br /> <img id="Codehighlighter1_101_104_Open_Image" onclick="this.style.display='none'; Codehighlighter1_101_104_Open_Text.style.display='none'; Codehighlighter1_101_104_Closed_Image.style.display='inline'; Codehighlighter1_101_104_Closed_Text.style.display='inline';" src="http://www.tkk7.com/images/OutliningIndicators/ExpandedSubBlockStart.gif" align="top" alt="" /><img id="Codehighlighter1_101_104_Closed_Image" style="display: none" onclick="this.style.display='none'; Codehighlighter1_101_104_Closed_Text.style.display='none'; Codehighlighter1_101_104_Open_Image.style.display='inline'; Codehighlighter1_101_104_Open_Text.style.display='inline';" src="http://www.tkk7.com/images/OutliningIndicators/ContractedSubBlock.gif" align="top" alt="" />    </span><span style="color: #0000ff">public</span><span style="color: #000000"> splitstring() </span><span id="Codehighlighter1_101_104_Closed_Text" style="border-right: #808080 1px solid; border-top: #808080 1px solid; display: none; border-left: #808080 1px solid; border-bottom: #808080 1px solid; background-color: #ffffff"><img src="http://www.tkk7.com/Images/dot.gif" alt="" /></span><span id="Codehighlighter1_101_104_Open_Text"><span style="color: #000000">{<br /> <img src="http://www.tkk7.com/images/OutliningIndicators/ExpandedSubBlockEnd.gif" align="top" alt="" />    }</span></span><span style="color: #000000"><br /> <img src="http://www.tkk7.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" /><br /> <img id="Codehighlighter1_152_200_Open_Image" onclick="this.style.display='none'; Codehighlighter1_152_200_Open_Text.style.display='none'; Codehighlighter1_152_200_Closed_Image.style.display='inline'; Codehighlighter1_152_200_Closed_Text.style.display='inline';" src="http://www.tkk7.com/images/OutliningIndicators/ExpandedSubBlockStart.gif" align="top" alt="" /><img id="Codehighlighter1_152_200_Closed_Image" style="display: none" onclick="this.style.display='none'; Codehighlighter1_152_200_Closed_Text.style.display='none'; Codehighlighter1_152_200_Open_Image.style.display='inline'; Codehighlighter1_152_200_Open_Text.style.display='inline';" src="http://www.tkk7.com/images/OutliningIndicators/ContractedSubBlock.gif" align="top" alt="" />    </span><span style="color: #0000ff">public</span><span style="color: #000000"> splitstring(String str, </span><span style="color: #0000ff">int</span><span style="color: #000000"> bytenum) </span><span id="Codehighlighter1_152_200_Closed_Text" style="border-right: #808080 1px solid; border-top: #808080 1px solid; display: none; border-left: #808080 1px solid; border-bottom: #808080 1px solid; background-color: #ffffff"><img src="http://www.tkk7.com/Images/dot.gif" alt="" /></span><span id="Codehighlighter1_152_200_Open_Text"><span style="color: #000000">{<br /> <img src="http://www.tkk7.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" />        </span><span style="color: #0000ff">this</span><span style="color: #000000">.str </span><span style="color: #000000">=</span><span style="color: #000000"> str;<br /> <img src="http://www.tkk7.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" />        </span><span style="color: #0000ff">this</span><span style="color: #000000">.bytenum </span><span style="color: #000000">=</span><span style="color: #000000"> bytenum;<br /> <img src="http://www.tkk7.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" /><br /> <img src="http://www.tkk7.com/images/OutliningIndicators/ExpandedSubBlockEnd.gif" align="top" alt="" />    }</span></span><span style="color: #000000"><br /> <img src="http://www.tkk7.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" /><br /> <img id="Codehighlighter1_226_784_Open_Image" onclick="this.style.display='none'; Codehighlighter1_226_784_Open_Text.style.display='none'; Codehighlighter1_226_784_Closed_Image.style.display='inline'; Codehighlighter1_226_784_Closed_Text.style.display='inline';" src="http://www.tkk7.com/images/OutliningIndicators/ExpandedSubBlockStart.gif" align="top" alt="" /><img id="Codehighlighter1_226_784_Closed_Image" style="display: none" onclick="this.style.display='none'; Codehighlighter1_226_784_Closed_Text.style.display='none'; Codehighlighter1_226_784_Open_Image.style.display='inline'; Codehighlighter1_226_784_Open_Text.style.display='inline';" src="http://www.tkk7.com/images/OutliningIndicators/ContractedSubBlock.gif" align="top" alt="" />    </span><span style="color: #0000ff">public</span><span style="color: #000000"> </span><span style="color: #0000ff">void</span><span style="color: #000000"> splitit() </span><span id="Codehighlighter1_226_784_Closed_Text" style="border-right: #808080 1px solid; border-top: #808080 1px solid; display: none; border-left: #808080 1px solid; border-bottom: #808080 1px solid; background-color: #ffffff"><img src="http://www.tkk7.com/Images/dot.gif" alt="" /></span><span id="Codehighlighter1_226_784_Open_Text"><span style="color: #000000">{<br /> <img src="http://www.tkk7.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" /><br /> <img src="http://www.tkk7.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" />        </span><span style="color: #0000ff">byte</span><span style="color: #000000"> bt[] </span><span style="color: #000000">=</span><span style="color: #000000"> str.getBytes();<br /> <img id="Codehighlighter1_278_462_Open_Image" onclick="this.style.display='none'; Codehighlighter1_278_462_Open_Text.style.display='none'; Codehighlighter1_278_462_Closed_Image.style.display='inline'; Codehighlighter1_278_462_Closed_Text.style.display='inline';" src="http://www.tkk7.com/images/OutliningIndicators/ExpandedSubBlockStart.gif" align="top" alt="" /><img id="Codehighlighter1_278_462_Closed_Image" style="display: none" onclick="this.style.display='none'; Codehighlighter1_278_462_Closed_Text.style.display='none'; Codehighlighter1_278_462_Open_Image.style.display='inline'; Codehighlighter1_278_462_Open_Text.style.display='inline';" src="http://www.tkk7.com/images/OutliningIndicators/ContractedSubBlock.gif" align="top" alt="" />        </span><span style="color: #0000ff">if</span><span style="color: #000000"> (bytenum </span><span style="color: #000000">></span><span style="color: #000000"> </span><span style="color: #000000">1</span><span style="color: #000000">) </span><span id="Codehighlighter1_278_462_Closed_Text" style="border-right: #808080 1px solid; border-top: #808080 1px solid; display: none; border-left: #808080 1px solid; border-bottom: #808080 1px solid; background-color: #ffffff"><img src="http://www.tkk7.com/Images/dot.gif" alt="" /></span><span id="Codehighlighter1_278_462_Open_Text"><span style="color: #000000">{<br /> <img src="http://www.tkk7.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" />            <br /> <img id="Codehighlighter1_304_379_Open_Image" onclick="this.style.display='none'; Codehighlighter1_304_379_Open_Text.style.display='none'; Codehighlighter1_304_379_Closed_Image.style.display='inline'; Codehighlighter1_304_379_Closed_Text.style.display='inline';" src="http://www.tkk7.com/images/OutliningIndicators/ExpandedSubBlockStart.gif" align="top" alt="" /><img id="Codehighlighter1_304_379_Closed_Image" style="display: none" onclick="this.style.display='none'; Codehighlighter1_304_379_Closed_Text.style.display='none'; Codehighlighter1_304_379_Open_Image.style.display='inline'; Codehighlighter1_304_379_Open_Text.style.display='inline';" src="http://www.tkk7.com/images/OutliningIndicators/ContractedSubBlock.gif" align="top" alt="" />            </span><span style="color: #0000ff">if</span><span style="color: #000000">(bt[bytenum]</span><span style="color: #000000"><</span><span style="color: #000000">0</span><span style="color: #000000">)</span><span id="Codehighlighter1_304_379_Closed_Text" style="border-right: #808080 1px solid; border-top: #808080 1px solid; display: none; border-left: #808080 1px solid; border-bottom: #808080 1px solid; background-color: #ffffff"><img src="http://www.tkk7.com/Images/dot.gif" alt="" /></span><span id="Codehighlighter1_304_379_Open_Text"><span style="color: #000000">{<br /> <img src="http://www.tkk7.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" />                String str</span><span style="color: #000000">=</span><span style="color: #0000ff">new</span><span style="color: #000000"> String(bt,</span><span style="color: #000000">0</span><span style="color: #000000">,</span><span style="color: #000000">--</span><span style="color: #000000">bytenum);<br /> <img src="http://www.tkk7.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" />                System.out.print(str);<br /> <img id="Codehighlighter1_384_457_Open_Image" onclick="this.style.display='none'; Codehighlighter1_384_457_Open_Text.style.display='none'; Codehighlighter1_384_457_Closed_Image.style.display='inline'; Codehighlighter1_384_457_Closed_Text.style.display='inline';" src="http://www.tkk7.com/images/OutliningIndicators/ExpandedSubBlockStart.gif" align="top" alt="" /><img id="Codehighlighter1_384_457_Closed_Image" style="display: none" onclick="this.style.display='none'; Codehighlighter1_384_457_Closed_Text.style.display='none'; Codehighlighter1_384_457_Open_Image.style.display='inline'; Codehighlighter1_384_457_Open_Text.style.display='inline';" src="http://www.tkk7.com/images/OutliningIndicators/ContractedSubBlock.gif" align="top" alt="" />            }</span></span><span style="color: #0000ff">else</span><span id="Codehighlighter1_384_457_Closed_Text" style="border-right: #808080 1px solid; border-top: #808080 1px solid; display: none; border-left: #808080 1px solid; border-bottom: #808080 1px solid; background-color: #ffffff"><img src="http://www.tkk7.com/Images/dot.gif" alt="" /></span><span id="Codehighlighter1_384_457_Open_Text"><span style="color: #000000">{<br /> <img src="http://www.tkk7.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" />                String str</span><span style="color: #000000">=</span><span style="color: #0000ff">new</span><span style="color: #000000"> String(bt,</span><span style="color: #000000">0</span><span style="color: #000000">,bytenum);<br /> <img src="http://www.tkk7.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" />                System.out.print(str);<br /> <img src="http://www.tkk7.com/images/OutliningIndicators/ExpandedSubBlockEnd.gif" align="top" alt="" />            }</span></span><span style="color: #000000"><br /> <img src="http://www.tkk7.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" /><br /> <img id="Codehighlighter1_469_781_Open_Image" onclick="this.style.display='none'; Codehighlighter1_469_781_Open_Text.style.display='none'; Codehighlighter1_469_781_Closed_Image.style.display='inline'; Codehighlighter1_469_781_Closed_Text.style.display='inline';" src="http://www.tkk7.com/images/OutliningIndicators/ExpandedSubBlockStart.gif" align="top" alt="" /><img id="Codehighlighter1_469_781_Closed_Image" style="display: none" onclick="this.style.display='none'; Codehighlighter1_469_781_Closed_Text.style.display='none'; Codehighlighter1_469_781_Open_Image.style.display='inline'; Codehighlighter1_469_781_Open_Text.style.display='inline';" src="http://www.tkk7.com/images/OutliningIndicators/ContractedSubBlock.gif" align="top" alt="" />        }</span></span><span style="color: #000000"> </span><span style="color: #0000ff">else</span><span style="color: #000000"> </span><span id="Codehighlighter1_469_781_Closed_Text" style="border-right: #808080 1px solid; border-top: #808080 1px solid; display: none; border-left: #808080 1px solid; border-bottom: #808080 1px solid; background-color: #ffffff"><img src="http://www.tkk7.com/Images/dot.gif" alt="" /></span><span id="Codehighlighter1_469_781_Open_Text"><span style="color: #000000">{<br /> <img id="Codehighlighter1_497_720_Open_Image" onclick="this.style.display='none'; Codehighlighter1_497_720_Open_Text.style.display='none'; Codehighlighter1_497_720_Closed_Image.style.display='inline'; Codehighlighter1_497_720_Closed_Text.style.display='inline';" src="http://www.tkk7.com/images/OutliningIndicators/ExpandedSubBlockStart.gif" align="top" alt="" /><img id="Codehighlighter1_497_720_Closed_Image" style="display: none" onclick="this.style.display='none'; Codehighlighter1_497_720_Closed_Text.style.display='none'; Codehighlighter1_497_720_Open_Image.style.display='inline'; Codehighlighter1_497_720_Open_Text.style.display='inline';" src="http://www.tkk7.com/images/OutliningIndicators/ContractedSubBlock.gif" align="top" alt="" />            </span><span style="color: #0000ff">if</span><span style="color: #000000">(bytenum</span><span style="color: #000000">==</span><span style="color: #000000">1</span><span style="color: #000000">)</span><span id="Codehighlighter1_497_720_Closed_Text" style="border-right: #808080 1px solid; border-top: #808080 1px solid; display: none; border-left: #808080 1px solid; border-bottom: #808080 1px solid; background-color: #ffffff"><img src="http://www.tkk7.com/Images/dot.gif" alt="" /></span><span id="Codehighlighter1_497_720_Open_Text"><span style="color: #000000">{<br /> <img id="Codehighlighter1_529_616_Open_Image" onclick="this.style.display='none'; Codehighlighter1_529_616_Open_Text.style.display='none'; Codehighlighter1_529_616_Closed_Image.style.display='inline'; Codehighlighter1_529_616_Closed_Text.style.display='inline';" src="http://www.tkk7.com/images/OutliningIndicators/ExpandedSubBlockStart.gif" align="top" alt="" /><img id="Codehighlighter1_529_616_Closed_Image" style="display: none" onclick="this.style.display='none'; Codehighlighter1_529_616_Closed_Text.style.display='none'; Codehighlighter1_529_616_Open_Image.style.display='inline'; Codehighlighter1_529_616_Open_Text.style.display='inline';" src="http://www.tkk7.com/images/OutliningIndicators/ContractedSubBlock.gif" align="top" alt="" />                </span><span style="color: #0000ff">if</span><span style="color: #000000">(bt[bytenum]</span><span style="color: #000000"><</span><span style="color: #000000">0</span><span style="color: #000000">)</span><span id="Codehighlighter1_529_616_Closed_Text" style="border-right: #808080 1px solid; border-top: #808080 1px solid; display: none; border-left: #808080 1px solid; border-bottom: #808080 1px solid; background-color: #ffffff"><img src="http://www.tkk7.com/Images/dot.gif" alt="" /></span><span id="Codehighlighter1_529_616_Open_Text"><span style="color: #000000">{<br /> <img src="http://www.tkk7.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" />                    String str</span><span style="color: #000000">=</span><span style="color: #0000ff">new</span><span style="color: #000000"> String(bt,</span><span style="color: #000000">0</span><span style="color: #000000">,</span><span style="color: #000000">++</span><span style="color: #000000">bytenum);<br /> <img src="http://www.tkk7.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" />                    System.out.print(str);<br /> <img id="Codehighlighter1_621_706_Open_Image" onclick="this.style.display='none'; Codehighlighter1_621_706_Open_Text.style.display='none'; Codehighlighter1_621_706_Closed_Image.style.display='inline'; Codehighlighter1_621_706_Closed_Text.style.display='inline';" src="http://www.tkk7.com/images/OutliningIndicators/ExpandedSubBlockStart.gif" align="top" alt="" /><img id="Codehighlighter1_621_706_Closed_Image" style="display: none" onclick="this.style.display='none'; Codehighlighter1_621_706_Closed_Text.style.display='none'; Codehighlighter1_621_706_Open_Image.style.display='inline'; Codehighlighter1_621_706_Open_Text.style.display='inline';" src="http://www.tkk7.com/images/OutliningIndicators/ContractedSubBlock.gif" align="top" alt="" />                }</span></span><span style="color: #0000ff">else</span><span id="Codehighlighter1_621_706_Closed_Text" style="border-right: #808080 1px solid; border-top: #808080 1px solid; display: none; border-left: #808080 1px solid; border-bottom: #808080 1px solid; background-color: #ffffff"><img src="http://www.tkk7.com/Images/dot.gif" alt="" /></span><span id="Codehighlighter1_621_706_Open_Text"><span style="color: #000000">{<br /> <img src="http://www.tkk7.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" />                    String str</span><span style="color: #000000">=</span><span style="color: #0000ff">new</span><span style="color: #000000"> String(bt,</span><span style="color: #000000">0</span><span style="color: #000000">,bytenum);<br /> <img src="http://www.tkk7.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" />                    System.out.print(str);<br /> <img src="http://www.tkk7.com/images/OutliningIndicators/ExpandedSubBlockEnd.gif" align="top" alt="" />                }</span></span><span style="color: #000000"><br /> <img id="Codehighlighter1_725_777_Open_Image" onclick="this.style.display='none'; Codehighlighter1_725_777_Open_Text.style.display='none'; Codehighlighter1_725_777_Closed_Image.style.display='inline'; Codehighlighter1_725_777_Closed_Text.style.display='inline';" src="http://www.tkk7.com/images/OutliningIndicators/ExpandedSubBlockStart.gif" align="top" alt="" /><img id="Codehighlighter1_725_777_Closed_Image" style="display: none" onclick="this.style.display='none'; Codehighlighter1_725_777_Closed_Text.style.display='none'; Codehighlighter1_725_777_Open_Image.style.display='inline'; Codehighlighter1_725_777_Open_Text.style.display='inline';" src="http://www.tkk7.com/images/OutliningIndicators/ContractedSubBlock.gif" align="top" alt="" />            }</span></span><span style="color: #0000ff">else</span><span id="Codehighlighter1_725_777_Closed_Text" style="border-right: #808080 1px solid; border-top: #808080 1px solid; display: none; border-left: #808080 1px solid; border-bottom: #808080 1px solid; background-color: #ffffff"><img src="http://www.tkk7.com/Images/dot.gif" alt="" /></span><span id="Codehighlighter1_725_777_Open_Text"><span style="color: #000000">{<br /> <img src="http://www.tkk7.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" />                System.out.print(</span><span style="color: #000000">"</span><span style="color: #000000">错误</span><span style="color: #000000">"</span><span style="color: #000000">);    <br /> <img src="http://www.tkk7.com/images/OutliningIndicators/ExpandedSubBlockEnd.gif" align="top" alt="" />            }</span></span><span style="color: #000000"><br /> <img src="http://www.tkk7.com/images/OutliningIndicators/ExpandedSubBlockEnd.gif" align="top" alt="" />        }</span></span><span style="color: #000000"><br /> <img src="http://www.tkk7.com/images/OutliningIndicators/ExpandedSubBlockEnd.gif" align="top" alt="" />    }</span></span><span style="color: #000000"><br /> <img src="http://www.tkk7.com/images/OutliningIndicators/ExpandedBlockEnd.gif" align="top" alt="" />}</span></span><span style="color: #000000"><br /> <img src="http://www.tkk7.com/images/OutliningIndicators/None.gif" align="top" alt="" /><br /> <img id="Codehighlighter1_807_968_Open_Image" onclick="this.style.display='none'; Codehighlighter1_807_968_Open_Text.style.display='none'; Codehighlighter1_807_968_Closed_Image.style.display='inline'; Codehighlighter1_807_968_Closed_Text.style.display='inline';" src="http://www.tkk7.com/images/OutliningIndicators/ExpandedBlockStart.gif" align="top" alt="" /><img id="Codehighlighter1_807_968_Closed_Image" style="display: none" onclick="this.style.display='none'; Codehighlighter1_807_968_Closed_Text.style.display='none'; Codehighlighter1_807_968_Open_Image.style.display='inline'; Codehighlighter1_807_968_Open_Text.style.display='inline';" src="http://www.tkk7.com/images/OutliningIndicators/ContractedBlock.gif" align="top" alt="" /></span><span style="color: #0000ff">public</span><span style="color: #000000"> </span><span style="color: #0000ff">class</span><span style="color: #000000"> Test </span><span id="Codehighlighter1_807_968_Closed_Text" style="border-right: #808080 1px solid; border-top: #808080 1px solid; display: none; border-left: #808080 1px solid; border-bottom: #808080 1px solid; background-color: #ffffff"><img src="http://www.tkk7.com/Images/dot.gif" alt="" /></span><span id="Codehighlighter1_807_968_Open_Text"><span style="color: #000000">{<br /> <img src="http://www.tkk7.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" /><br /> <img id="Codehighlighter1_849_965_Open_Image" onclick="this.style.display='none'; Codehighlighter1_849_965_Open_Text.style.display='none'; Codehighlighter1_849_965_Closed_Image.style.display='inline'; Codehighlighter1_849_965_Closed_Text.style.display='inline';" src="http://www.tkk7.com/images/OutliningIndicators/ExpandedSubBlockStart.gif" align="top" alt="" /><img id="Codehighlighter1_849_965_Closed_Image" style="display: none" onclick="this.style.display='none'; Codehighlighter1_849_965_Closed_Text.style.display='none'; Codehighlighter1_849_965_Open_Image.style.display='inline'; Codehighlighter1_849_965_Open_Text.style.display='inline';" src="http://www.tkk7.com/images/OutliningIndicators/ContractedSubBlock.gif" align="top" alt="" />    </span><span style="color: #0000ff">public</span><span style="color: #000000"> </span><span style="color: #0000ff">static</span><span style="color: #000000"> </span><span style="color: #0000ff">void</span><span style="color: #000000"> main(String arg[]) </span><span id="Codehighlighter1_849_965_Closed_Text" style="border-right: #808080 1px solid; border-top: #808080 1px solid; display: none; border-left: #808080 1px solid; border-bottom: #808080 1px solid; background-color: #ffffff"><img src="http://www.tkk7.com/Images/dot.gif" alt="" /></span><span id="Codehighlighter1_849_965_Open_Text"><span style="color: #000000">{<br /> <img src="http://www.tkk7.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" />        String str </span><span style="color: #000000">=</span><span style="color: #000000"> </span><span style="color: #000000">"</span><span style="color: #000000">我abcd汉def</span><span style="color: #000000">"</span><span style="color: #000000">;<br /> <img src="http://www.tkk7.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" />        </span><span style="color: #0000ff">int</span><span style="color: #000000"> num </span><span style="color: #000000">=</span><span style="color: #000000"> </span><span style="color: #000000">7</span><span style="color: #000000">;<br /> <img src="http://www.tkk7.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" />        splitstring sptstr </span><span style="color: #000000">=</span><span style="color: #000000"> </span><span style="color: #0000ff">new</span><span style="color: #000000"> splitstring(str, num);<br /> <img src="http://www.tkk7.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" />        sptstr.splitit();<br /> <img src="http://www.tkk7.com/images/OutliningIndicators/ExpandedSubBlockEnd.gif" align="top" alt="" />    }</span></span><span style="color: #000000"><br /> <img src="http://www.tkk7.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" /><br /> <img src="http://www.tkk7.com/images/OutliningIndicators/ExpandedBlockEnd.gif" align="top" alt="" />}</span></span><span style="color: #000000"><br /> <img src="http://www.tkk7.com/images/OutliningIndicators/None.gif" align="top" alt="" /></span></div> 输出为:我abcd <img src ="http://www.tkk7.com/angel512/aggbug/181945.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.tkk7.com/angel512/" target="_blank">angel</a> 2008-02-25 11:38 <a href="http://www.tkk7.com/angel512/articles/181945.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>struts2标签汇?/title><link>http://www.tkk7.com/angel512/articles/154007.html</link><dc:creator>angel</dc:creator><author>angel</author><pubDate>Thu, 18 Oct 2007 13:43:00 GMT</pubDate><guid>http://www.tkk7.com/angel512/articles/154007.html</guid><wfw:comment>http://www.tkk7.com/angel512/comments/154007.html</wfw:comment><comments>http://www.tkk7.com/angel512/articles/154007.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.tkk7.com/angel512/comments/commentRss/154007.html</wfw:commentRss><trackback:ping>http://www.tkk7.com/angel512/services/trackbacks/154007.html</trackback:ping><description><![CDATA[此页面M有更新的:<br /> <br /> 1. if   elseif  else用法:<br />     <s:if  test="%{false}%"><br />     </s:if><br />     <s:elseif test="%{false}%"><br />     </s:elseif><br />     <s:else><br />     </s:else> <img src ="http://www.tkk7.com/angel512/aggbug/154007.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.tkk7.com/angel512/" target="_blank">angel</a> 2007-10-18 21:43 <a href="http://www.tkk7.com/angel512/articles/154007.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>Linux基础知识http://www.tkk7.com/angel512/articles/151424.htmlangelangelTue, 09 Oct 2007 07:53:00 GMThttp://www.tkk7.com/angel512/articles/151424.htmlhttp://www.tkk7.com/angel512/comments/151424.htmlhttp://www.tkk7.com/angel512/articles/151424.html#Feedback0http://www.tkk7.com/angel512/comments/commentRss/151424.htmlhttp://www.tkk7.com/angel512/services/trackbacks/151424.html

Linux基础知识

Linux基础知识                                                     李甬  整理?006.5 
Linux最早是p兰赫辛基大学一位叫Linus Torvalds的学生设计的.它是一套免费用和自由传播?br /> cNUIXpȝ,源代码开?能在各类gq_(包括Intel x86pd和RISC处理?上运?
 
Linux受广大计机爱好者喜q原因:
 1.Linux在pc计算Z实现了全部的UNIXҎ?h多Q?多用L能力,而且在很多方面相当稳定高?
 2.Linux属于自由软g,用户不需要支付Q何费用就可以获得它及其它的原代码,q可以对它进行须?无偿使用?无约束传?
 
Linuxh以下主要Ҏ:
  开放?br />   开放性是指系l遵循世界标准规范,特别是遵循开攄l互q(OSIQ国际标准。凡遵@国际标准所开发的g和YӞ都能彼此兼容Q可方便地实Cq?
  多用?br />   多用h指系l资源可以被不同用户各自拥有使用Q即每个用户对自q资源Q例如:文g、设备)有特定的权限Q互不媄响。Linux和Unix都具有多用户的特性?
  多Q?br />   多Q务是C计算机的最主要的一个特炏V它是指计算机同时执行多个程序,而且各个E序的运行互相独立。Linuxpȝ调度每一个进E^{地讉K微处理器。由于CPU的处理速度非常快,其结果是Q启动的应用E序看v来好像在q行q行。事实上Q从处理器执行一个应用程序中的一l指令到Linux调度微处理器再次q行q个E序之间只有很短的时间gq,用户是感觉不出来的?
  良好的用L?br />   Linux向用h供了两种界面Q?用户界面和系l调用?br />   Linux的传l用L面是Z文本的命令行界面Q即shellQ它既可以联Z用,又可存在文g上脱Z用。shell有很强的E序设计能力Q用户可方便地用它编制程序,从而ؓ用户扩充pȝ功能提供了更高的手Dc可~程Shell是指多条命令组合在一P形成一个ShellE序Q这个程序可以单独运行,也可以与其他E序同时q行?
  pȝ调用l用h供编E时使用的界面。用户可以在~程时直接用系l提供的pȝ调用命o。系l通过q个界面为用L序提供低U、高效率的服务?
Linuxqؓ用户提供了图形用L面。它利用鼠标、菜单、窗口、滚动条{设施,l用户呈C个直观、易操作、交互性强的友好的囑Ş化界面?
  讑֤独立?br />   讑֤独立性是指操作系l把所有外部设备统一当作成文件来看待Q只要安装它们的驱动E序QQ何用户都可以象用文件一P操纵、用这些设备,而不必知道它们的具体存在形式?
h讑֤独立性的操作pȝQ通过把每一个外围设备看作一个独立文件来化增加新讑֤的工作。当需要增加新讑֤时、系l管理员在内核中增加必要的q接。这U连接(也称作设备驱动程序)保证每次调用讑֤提供服务Ӟ内核以相同的方式来处理它们。当新的及更好的外设被开发ƈ交付l用hQ操作允许在q些讑֤q接到内核后Q就能不受限制地立即讉K它们。设备独立性的关键在于内核的适应能力。其他操作系l只允许一定数量或一定种cȝ外部讑֤q接。而设备独立性的操作pȝ能够容纳LU类及Q意数量的讑֤Q因为每一个设备都是通过其与内核的专用连接独立进行访问?
Linux是具有设备独立性的操作pȝQ它的内核具有高度适应能力Q随着更多的程序员加入Linux~程Q会有更多硬件设备加入到各种Linux内核和发行版本中。另外,׃用户可以免费得到Linux的内核源代码Q因此,用户可以修改内核源代码,以便适应新增加的外部讑֤?
  供了丰富的网l功?br />   完善的内|网l是Linux的一大特炏VLinux在通信和网l功能方面优于其他操作系l。其他操作系l不包含如此紧密地和内核l合在一Lq接|络的能力,也没有内|这些联|特性的灉|性。而Linux为用h供了完善的、强大的|络功能?
  支持Internet是其|络功能之一。Linux免费提供了大量支持Internet的YӞInternet是在Unix领域中徏立ƈJ荣h的,在这斚w使用Linux是相当方便的Q用戯用Linux与世界上的其他h通过Internet|络q行通信?
  文g传输是其|络功能之二。用戯通过一些Linux命o完成内部信息或文件的传输?
q程讉K是其|络功能之三。Linux不仅允许q行文g和程序的传输Q它qؓpȝ理员和技术h员提供了讉K其他pȝ的窗口。通过q种q程讉K的功能,一位技术h员能够有效地为多个系l服务,即那些pȝ位于相距很远的地斏V?
  可靠的系l安?br />   Linux采取了许多安全技术措施,包括 对读、写q行权限控制 带保护的子系l?审计跟踪 核心授权{,qؓ|络多用L境中的用h供了必要的安全保障?
  良好的可UL?br />   可移植性是指将操作pȝ从一个^台{Ud另一个^C它仍然能按其自n的方式运行的能力.
Linux是一U可UL的操作系l,能够在从微型计算机到大型计算机的M环境中和Mq_上运行?br /> 可移植性ؓq行Linux的不同计机q_与其他Q何机器进行准而有效的通信提供了手D,不需要另外增加特D的和昂늚通信接口?
   在说Linux特点?也顺别提一下它的缺?Linux没有核心团队,来自世界各地的爱好者都可以发布自己的补?patch),~点是源代码可能杂ؕ无章q且可能怺冲突.其实从另个方面说也是优点,爱好者都可以发布自己的补?patch),qLinux充满着zd,不断更新q步.

Linux与其他操作系l的区别
  Linux可以与MS-DOS、Windows{其他操作系l共存于同一台机器上。它们均为操作系l,h一些共性,但是互相之间各有特色Q有所区别。至于MS-DOS、WindowsҎ们一般计机爱好来说是非常熟悉的操作pȝ?在此只列出Linux与UNIX的区?
  某些PC机的Unix和Linux在实现方面相cM。几乎所有的商业Unix版本都基本支持同L软g、程序设计环境和|络Ҏ。然而,Linux和Unix的商业版本依然存在许多差别。Linux支持的硬件范围和商业Unix不一栗一般来_商业Unix支持的硬件多一些,可是Linux支持的硬件也在不断扩大。突出的是,Linux臛_和商用Unix一L定。对许多用户来说Q最重要的因素是h。Linux是免费YӞ用户可以从Internet|上下蝲。如果上|不方便Q可以很便宜地通过邮购得到Linux的磁盘或CD-ROM。当然也可以直接从朋友那里得到。商业Unix的hg应被贬低。除了Y件本w的h外,用户q需支付文档、售后支持和质保贏V对于较大的机构Q这些都很重要,但是PC机用户也总中得不到什么好处。许多商业公司和大学{单位已l发玎ͼ在实验室用廉LPC行Linux比用工作站运行商业Unixq好。Linux可以在PCZ提供工作站的功能Q而PC机的h是工作站的几分之一。也有一些针对PC机的便宜的UnixQ其中最有名的是386BSD。在许多斚wQ?86BSD软g包和Linux兼容Q但Linux更适合用户的需求。最显著的是QLinux的开发是开攄QQ何志愿者都可以对开发过E做A献。相比之下,386BSD是由闭的团队开发的。正是这Pq两U品存在着严重的概念上和设计上的差别:Linux的目标是从头开始开发一个完整的UnixpȝQ?86BSD的目标则是对现有的BSD做些修改Q以适合80386pȝ。当然现在也有许多免费的在PCZq行的UNIX,如NetBSD,FreeBSD,OpenBSD{?NetBSD,FreeBSD,OpenBSD在硬件支持方面不如Linux,在系l性能斚w,具专家分?FreeBSD在网l性能,软gUL和系l规范化上比Linux略强?

Linux下的目录?br />   /
  q就是根目录。在WindowsQDOS或者其他类似的操作pȝ里面Q每个分区都会有一个相应的根目录。但是Linux和其他Unixpȝ把所有的文g都放在一个目录树里面Q? 是唯一的根目录。一般来Ԍ根目录下面很保存什么文Ӟ或者只有一个内核映像在q里?
  /boot
 很多Linuxpȝ把内核映像和其他一些和启动有关的文件放在这里?
  /tmp
  一般只有启动的时候生的临时文g才会攑֜q个地方。我们自q那些临时文g都放?/var/tmp?
  /mnt
  q个目录下面攄一些用来mount其他讑֤的子目录Q比如说/mnt/cdrom或?mnt/floppy?
  /lib
  启动的时候所需要用到的库文仉攑֜q个目录下。那些非启动用的库文仉会放?usr/lib下。内核模块是被放?lib/modules/Q内核版本)下的?
  /proc
  q个目录在磁盘上其实是不存在的。里面的文g都是关于当前的系l状态的Q包括正在运行的q程Q硬件状态,内存使用的多?#8230;…
  /dev
  q个目录下保存着所有的讑֤文g。里面有一些Linux内核创徏的用来控制硬件设备的Ҏ文g。注意,|卡讑֤文gQeth0Qppp0{)不在q儿?
  /var
  q里有一些被pȝ改变q的数据。比如说/var/tmpQ就是用来储存时文件的。还有很多其他的q程和模块把它们的记录文件也攑֜q个地方。下面将会列举一些重要的子目录:
  /var/log
  q里攄l大部分的记录文件。随着旉的增长,q个目录可能会变得很臃肿。所以需要定期来清理一下?
  /var/run
  包括了各U运行时的小信息?
  /var/lib
  包括了一些系l运行的时候需要的文g。如果你用笔记本上网Q?var/lib/pcmcia/stab可能会对你有用?
  /var/spool
  邮gQ新闻,打印序列的所在地?
  /root
  Root用户的主目录?
  /home
  一般用Lȝ录都会放在这个目录下。你可以通过$ cd ~ 来进入你自己的主目录?
  /etc
  如果你是Root用户的话Q这个目录应该是你最常来的地斏V这里保存着l大部分的系l配|文件。相ҎԌ单个用户的系l配|文件将会保存在q个用户自己的主目录里面。这里的文g会根据你所安装的Y件而增减。下面将会列举一下重要的子目录:
  /etc/X11
  q里攄Xpȝ所需要的配置文g。XF86Config是把配|储存到q个地方的?etc/X11/fonts里面攄一些服务器需要的字体。还有一些窗口管理器存放的配|文件也是放在这个地方的?
  /etc/init.d
  q个目录保存着启动描述文gQ包括各U模块和服务的加载描q。所以如果不清楚的话Q最好不要随便删q里的东ѝ这里的文g都是pȝq行配置的,不是用户自己用来配置的?
  /etc/rcS.d
q里攄一些连接到/etc/init.d的连接文ӞҎrunlevel的不同而执行相应的描述。这里的文g名都是由S来开头的Q然后是一个两位的数字——表C各U服务启动的序。比如,S24foo是在S42bar前面执行的。接着是相应的连接到/etc/init.d下面的文件的名字了?
  /etc/rc0.d - /etc/rc6.d
  q里面也是一些连接文Ӟ?etc/rcS.d差不多。不同的是,q些只会在指定的runlevel下运行相应的描述?表示xQ?表示重启。所有以 K开头的文g表示关闭Q所有以S开头的文g表示重启。目前来Ԍ文g的命名方式和/etc/rcS.d是一L。注意,在Debian下,2表示启动?
  /bin, /sbin
q里分别攄启动的时候所需要的普通程序和pȝE序。很多程序在启动以后也很有用Q它们放在这个目录下是ؓ它们会经常被其他E序所调用?
  /usr
  q是一个很庞大的目录,几乎所有的文g都放在这下面Q除了上面所说的那些。下面将会列举一些重要的子目录:
  /usr/X11R6, /usr/X11, /usr/Xfree86
  q里面保存着Xpȝ所需要的文gQ它的目录结构和/usr是一L?
  /usr/bin
  v二进制可执行文g存放的目录,q里攄l大部分的应用程序?
  /usr/sbin
  q里攄l大部分的系l程序?
  /usr/games
  游戏E序和相应的数据会放在这里?
  /usr/include
  q个目录保存着C和C++的头文g。除非你是程序员Q否则你可能不会感兴?
  /usr/lib
  启动时用不到的库文g都会被放在这里?
  /usr/info
  q里保存着GNU InfoE序所需要的数据?
  /usr/man
  q里保存着manE序所需要的数据?
  /usr/src
  q里保存着源代码文件。Linux内核的源代码都放?usr/src/linux下了?
  /usr/doc
  q里保存着各种文档文g。这些文件可以帮助你了解LinuxQ解决问题和提供一些技巧。或者你可以通过讉K http://www.linuxdoc.org 来活得更多的知识?
  /usr/local
  q里面保存着本地计算机所需要的文g。在用户q行q程讉K的时候特别有意义。这个目录在有些Linuxpȝ下就是一个单独的分区Q存放一些这台机子所属的那个用户的文件。里面的l构?usr是一L?
  /usr/shared, /usr/share
  q里保存着各种׃n文gQ比如说某个应用E序所需要的声音文g?



angel 2007-10-09 15:53 发表评论
]]>
Linux 常用命oȝ(内容会不断更?http://www.tkk7.com/angel512/articles/151423.htmlangelangelTue, 09 Oct 2007 07:52:00 GMThttp://www.tkk7.com/angel512/articles/151423.htmlhttp://www.tkk7.com/angel512/comments/151423.htmlhttp://www.tkk7.com/angel512/articles/151423.html#Feedback0http://www.tkk7.com/angel512/comments/commentRss/151423.htmlhttp://www.tkk7.com/angel512/services/trackbacks/151423.html一  文g权限与目录配|?/span>
     

1Q?/span>ls –al :列出所有文Ӟ包含隐藏文g?/span>

2Q改变群l权限:chgrp(change group) 组名称 文g或目录名U?/span>

3Q改变拥有者:chown(change owner) [-R] 帐号?/span> 文g或目录名U?/span>

                              chown(change owner) [-R] 帐号?/span>:组名称 文g或目录名U?/span>

4Q改变权限:chmod [-R] xyz 文g或目录名U?/span>

                         rwx=4+2+1=x/y/z

       增加和减组权限Q?/span>chomd l?/span>/用户?/span>+r/w/x文g或目录名U?/span>

                    chomd l?/span>/用户?/span>-r/w/x文g或目录名U?/span>



angel 2007-10-09 15:52 发表评论
]]>
用POI3.0导出EXCELhttp://www.tkk7.com/angel512/articles/148402.htmlangelangelWed, 26 Sep 2007 09:47:00 GMThttp://www.tkk7.com/angel512/articles/148402.htmlhttp://www.tkk7.com/angel512/comments/148402.htmlhttp://www.tkk7.com/angel512/articles/148402.html#Feedback0http://www.tkk7.com/angel512/comments/commentRss/148402.htmlhttp://www.tkk7.com/angel512/services/trackbacks/148402.html  OutputStream fos = res.getOutputStream();
HSSFWorkbook wb = new HSSFWorkbook();
 HSSFSheet s = wb.createSheet();
wb.setSheetName(0, "Matrix"); 
for(int i=0;i<15;i++){
HSSFRow row = s.createRow(i);
row.setHeight((short) 600);

 for(short j=0; j<title.length; j++) {
                HSSFCell cell = row.createCell(j);
                  s.setColumnWidth((short)j, (short)2500);
HSSFRichTextString ss = new
HSSFRichTextString("中文");
                    cell.setCellValue(ss);
}

}

 try {
            fos.flush();
            wb.write(fos);

        } catch (IOException e) {
            e.printStackTrace();
        }


 

angel 2007-09-26 17:47 发表评论
]]>
知?/title><link>http://www.tkk7.com/angel512/articles/148086.html</link><dc:creator>angel</dc:creator><author>angel</author><pubDate>Tue, 25 Sep 2007 08:57:00 GMT</pubDate><guid>http://www.tkk7.com/angel512/articles/148086.html</guid><wfw:comment>http://www.tkk7.com/angel512/comments/148086.html</wfw:comment><comments>http://www.tkk7.com/angel512/articles/148086.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.tkk7.com/angel512/comments/commentRss/148086.html</wfw:commentRss><trackback:ping>http://www.tkk7.com/angel512/services/trackbacks/148086.html</trackback:ping><description><![CDATA[<p>1、去左右I格<br /> ---左trim----<br /> String s = " abc ";<br /> s = s.replaceAll("^ +", "");</p> <p>----右trim----<br /> String s = " abc ";<br /> s = s.replaceAll(" +$", "");<br /> <br /> <br /> 2、删除子?,例如 :this is a cup 如何从第2个字W开?删除 4个字W?br /> StringBuffer buff=new StringBuffer("this is a cup ");<br />   buff.delete(2,4);<br /> <br /> 3、比较二个日期的大小<br /> var dateStr= '2007-9-26';//格式是写ȝ是yyyy-MM-dd   <br /> var dateArr = dateStr.split('-');   <br /> var date = new Date(dateArr[0],dateArr[1],dateArr[2]);   <br /> var date1 = new Date();   <br /> alert(date>=date1?'?:'?); <br /> </p> <img src ="http://www.tkk7.com/angel512/aggbug/148086.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.tkk7.com/angel512/" target="_blank">angel</a> 2007-09-25 16:57 <a href="http://www.tkk7.com/angel512/articles/148086.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>一个简单的搜烦应用E序http://www.tkk7.com/angel512/articles/148005.htmlangelangelTue, 25 Sep 2007 02:53:00 GMThttp://www.tkk7.com/angel512/articles/148005.htmlhttp://www.tkk7.com/angel512/comments/148005.htmlhttp://www.tkk7.com/angel512/articles/148005.html#Feedback0http://www.tkk7.com/angel512/comments/commentRss/148005.htmlhttp://www.tkk7.com/angel512/services/trackbacks/148005.html一个简单的搜烦应用E序

假设我们的电脑的目录中含有很多文本文档,我们需要查扑֓些文档含有某个关键词。ؓ了实现这U功能,我们首先利用 Lucene 对这个目录中的文档徏立烦引,然后在徏立好的烦引中搜烦我们所要查扄文档。通过q个例子读者会对如何利?Lucene 构徏自己的搜索应用程序有个比较清楚的认识?/p>





建立索引

ZҎ档进行烦引,Lucene 提供了五个基的类Q他们分别是 Document, Field, IndexWriter, Analyzer, Directory。下面我们分别介l一下这五个cȝ用途:

Document

Document 是用来描q文档的Q这里的文档可以指一?HTML 面Q一电子邮Ӟ或者是一个文本文件。一?Document 对象由多?Field 对象l成的。可以把一?Document 对象惌成数据库中的一个记录,而每?Field 对象是记录的一个字Dc?/p>

Field

Field 对象是用来描qC个文档的某个属性的Q比如一电子邮件的标题和内容可以用两个 Field 对象分别描述?/p>

Analyzer

在一个文档被索引之前Q首先需要对文档内容q行分词处理Q这部分工作是?Analyzer 来做的。Analyzer cL一个抽象类Q它有多个实现。针对不同的语言和应用需要选择适合?Analyzer。Analyzer 把分词后的内容交l?IndexWriter 来徏立烦引?/p>

IndexWriter

IndexWriter ?Lucene 用来创徏索引的一个核心的c,他的作用是把一个个?Document 对象加到索引中来?/p>

Directory

q个cM表了 Lucene 的烦引的存储的位|,q是一个抽象类Q它目前有两个实玎ͼW一个是 FSDirectoryQ它表示一个存储在文gpȝ中的索引的位|。第二个?RAMDirectoryQ它表示一个存储在内存当中的烦引的位置?/p>

熟悉了徏立烦引所需要的q些cdQ我们就开始对某个目录下面的文本文件徏立烦引了Q清?l出了对某个目录下的文本文g建立索引的源代码?/p>


清单 1. Ҏ本文件徏立烦?/strong>
package TestLucene;
            import java.io.File;
            import java.io.FileReader;
            import java.io.Reader;
            import java.util.Date;
            import org.apache.lucene.analysis.Analyzer;
            import org.apache.lucene.analysis.standard.StandardAnalyzer;
            import org.apache.lucene.document.Document;
            import org.apache.lucene.document.Field;
            import org.apache.lucene.index.IndexWriter;
            /**
            * This class demonstrate the process of creating index with Lucene
            * for text files
            */
            public class TxtFileIndexer {
            public static void main(String[] args) throws Exception{
            //indexDir is the directory that hosts Lucene's index files
            File   indexDir = new File("D:\\luceneIndex");
            //dataDir is the directory that hosts the text files that to be indexed
            File   dataDir  = new File("D:\\luceneData");
            Analyzer luceneAnalyzer = new StandardAnalyzer();
            File[] dataFiles  = dataDir.listFiles();
            IndexWriter indexWriter = new IndexWriter(indexDir,luceneAnalyzer,true);
            long startTime = new Date().getTime();
            for(int i = 0; i < dataFiles.length; i++){
            if(dataFiles[i].isFile() && dataFiles[i].getName().endsWith(".txt")){
            System.out.println("Indexing file " + dataFiles[i].getCanonicalPath());
            Document document = new Document();
            Reader txtReader = new FileReader(dataFiles[i]);
            document.add(Field.Text("path",dataFiles[i].getCanonicalPath()));
            document.add(Field.Text("contents",txtReader));
            indexWriter.addDocument(document);
            }
            }
            indexWriter.optimize();
            indexWriter.close();
            long endTime = new Date().getTime();
            System.out.println("It takes " + (endTime - startTime)
            + " milliseconds to create index for the files in directory "
            + dataDir.getPath());
            }
            }
            

在清?中,我们注意到类 IndexWriter 的构造函数需要三个参敎ͼW一个参数指定了所创徏的烦引要存放的位|,他可以是一?File 对象Q也可以是一?FSDirectory 对象或?RAMDirectory 对象。第二个参数指定?Analyzer cȝ一个实玎ͼ也就是指定这个烦引是用哪个分词器Ҏ挡内容进行分词。第三个参数是一个布型的变量,如果?true 的话׃表创Z个新的烦引,?false 的话׃表在原来索引的基上进行操作。接着E序遍历了目录下面的所有文本文档,qؓ每一个文本文档创Z一?Document 对象。然后把文本文档的两个属性:路径和内容加入到了两?Field 对象中,接着在把q两?Field 对象加入?Document 对象中,最后把q个文档?IndexWriter cȝ add Ҏ加入到烦引中厅R这h们便完成了烦引的创徏。接下来我们q入在徏立好的烦引上q行搜烦的部分?/p>





回页?/strong>


搜烦文档

利用Luceneq行搜烦像建立索引一样也是非常方便的。在上面一部分中,我们已经Z个目录下的文本文档徏立好了烦引,现在我们p在这个烦引上q行搜烦以找到包含某个关键词或短语的文档。Lucene提供了几个基的类来完成这个过E,它们分别是呢IndexSearcher, Term, Query, TermQuery, Hits. 下面我们分别介绍q几个类的功能?/p>

Query

q是一个抽象类Q他有多个实玎ͼ比如TermQuery, BooleanQuery, PrefixQuery. q个cȝ目的是把用户输入的查询字W串装成Lucene能够识别的Query?/p>

Term

Term是搜索的基本单位Q一个Term对象有两个Stringcd的域l成。生成一个Term对象可以有如下一条语句来完成QTerm term = new Term(“fieldName”,”queryWord”); 其中W一个参C表了要在文档的哪一个Field上进行查找,W二个参C表了要查询的关键词?/p>

TermQuery

TermQuery是抽象类Query的一个子c,它同时也是Lucene支持的最为基本的一个查询类。生成一个TermQuery对象由如下语句完成: TermQuery termQuery = new TermQuery(new Term(“fieldName”,”queryWord”)); 它的构造函数只接受一个参敎ͼ那就是一个Term对象?/p>

IndexSearcher

IndexSearcher是用来在建立好的索引上进行搜索的。它只能以只ȝ方式打开一个烦引,所以可以有多个IndexSearcher的实例在一个烦引上q行操作?/p>

Hits

Hits是用来保存搜索的l果的?/p>

介绍完这些搜索所必须的类之后Q我们就开始在之前所建立的烦引上q行搜烦了,清单2l出了完成搜索功能所需要的代码?/p>


清单2 Q在建立好的索引上进行搜?/strong>
package TestLucene;
            import java.io.File;
            import org.apache.lucene.document.Document;
            import org.apache.lucene.index.Term;
            import org.apache.lucene.search.Hits;
            import org.apache.lucene.search.IndexSearcher;
            import org.apache.lucene.search.TermQuery;
            import org.apache.lucene.store.FSDirectory;
            /**
            * This class is used to demonstrate the
            * process of searching on an existing
            * Lucene index
            *
            */
            public class TxtFileSearcher {
            public static void main(String[] args) throws Exception{
            String queryStr = "lucene";
            //This is the directory that hosts the Lucene index
            File indexDir = new File("D:\\luceneIndex");
            FSDirectory directory = FSDirectory.getDirectory(indexDir,false);
            IndexSearcher searcher = new IndexSearcher(directory);
            if(!indexDir.exists()){
            System.out.println("The Lucene index is not exist");
            return;
            }
            Term term = new Term("contents",queryStr.toLowerCase());
            TermQuery luceneQuery = new TermQuery(term);
            Hits hits = searcher.search(luceneQuery);
            for(int i = 0; i < hits.length(); i++){
            Document document = hits.doc(i);
            System.out.println("File: " + document.get("path"));
            }
            }
            }
            

在清?中,cIndexSearcher的构造函数接受一个类型ؓDirectory的对象,Directory是一个抽象类Q它目前有两个子c:FSDirctory和RAMDirectory. 我们的程序中传入了一个FSDirctory对象作ؓ其参敎ͼ代表了一个存储在盘上的索引的位|。构造函数执行完成后Q代表了q个IndexSearcher以只ȝ方式打开了一个烦引。然后我们程序构造了一个Term对象Q通过q个Term对象Q我们指定了要在文档的内容中搜烦包含关键?#8221;lucene”的文档。接着利用q个Term对象构造出TermQuery对象q把q个TermQuery对象传入到IndexSearcher的searchҎ中进行查询,q回的结果保存在Hits对象中。最后我们用了一个@环语句把搜烦到的文档的\径都打印了出来。好了,我们的搜索应用程序已l开发完毕,怎么P利用Lucene开发搜索应用程序是不是很简单?br /> 转蝲Qhttp://www.ibm.com/developerworks/cn/java/j-lo-lucene1/#N10093



angel 2007-09-25 10:53 发表评论
]]>
用poi保存为excel文ghttp://www.tkk7.com/angel512/archive/2007/09/20/146780.htmlangelangelThu, 20 Sep 2007 06:54:00 GMThttp://www.tkk7.com/angel512/archive/2007/09/20/146780.htmlhttp://www.tkk7.com/angel512/comments/146780.htmlhttp://www.tkk7.com/angel512/archive/2007/09/20/146780.html#Feedback0http://www.tkk7.com/angel512/comments/commentRss/146780.htmlhttp://www.tkk7.com/angel512/services/trackbacks/146780.html 1 OutputStream fos = res.getOutputStream();
 2HSSFWorkbook wb = new HSSFWorkbook();
 3HSSFSheet s = wb.createSheet();
 4wb.setSheetName(0"Matrix");  
 5
 6for(int i=0; i<5; i++{
 7
 8HSSFRow row = s.createRow(i);
 9HSSFRichTextString ss = new
10      HSSFRichTextString("aa");
11      cell.setCellValue(ss);
12              
13 }

14//写出EXCEL
15try {
16            fos.flush();
17            wb.write(fos);
18
19        }
 catch (IOException e) {
20            e.printStackTrace();
21        }

22

angel 2007-09-20 14:54 发表评论
]]>
读PDF文g内容http://www.tkk7.com/angel512/articles/141914.htmlangelangelSat, 01 Sep 2007 05:49:00 GMThttp://www.tkk7.com/angel512/articles/141914.htmlhttp://www.tkk7.com/angel512/comments/141914.htmlhttp://www.tkk7.com/angel512/articles/141914.html#Feedback0http://www.tkk7.com/angel512/comments/commentRss/141914.htmlhttp://www.tkk7.com/angel512/services/trackbacks/141914.html首先得下载xpdf-3.00pl3-win32.zip和xpdf-chinese-simplified.tar.gz二个?br />
配置Q?br /> 1。xpdf-3.00pl3-win32.zip写压后改名ؓxpdf
2。修?strong>xpdfrc
文g
      (1)在文件最下面加入
        

 1#----- begin Chinese Simplified support package (2004-jul-27)
 2
 3cidToUnicode     Adobe-GB1  C:/xpdf/chinese-simplified/Adobe-GB1.cidToUnicode
 4
 5unicodeMap ISO-2022-CN     C:/PublicInstall/xpdf/chinese-simplified/ISO-2022-CN.unicodeMap
 6
 7unicodeMap EUC-CN       C:/xpdf/chinese-simplified/EUC-CN.unicodeMap
 8
 9unicodeMap GBK      C:/xpdf/chinese-simplified/GBK.unicodeMap
10
11cMapDir      Adobe-GB1  C:/xpdf/chinese-simplified/CMap
12
13toUnicodeDir                 C:/xpdf/chinese-simplified/CMap
14
15#displayCIDFontTT   Adobe-GB1  /usr/./gkai00mp.ttf
16
17#----- end Chinese Simplified support package


(2)另外Q配|文件中原先没有加上一?#8220;textPageBreaks”控制。ؓ了避免这个分늬P我们需要在xpdfrc文g“text output control”下面加上q么一D话Q?/span>

# If set to "yes", text extraction will insert page

# breaks (form feed characters) between pages. This

# defaults to "yes".

textPageBreaks      no

textPageBreaks?/span>no的意思是Q在PDF文档的两之间不加入分页W号?/span>

之所以这P是因个符h时候会引vSAX解析XML上的困难?br />


读PDF文g

1String PATH_TO_XPDF="C:\\xpdf\\pdftotext.exe";
2                 String[] cmd = new String[] { PATH_TO_XPDF, "-enc""UTF-8""-q", 文g路径, "-"};
3                  Process p = Runtime.getRuntime().exec(cmd);
4                  BufferedInputStream iss = new BufferedInputStream(p.getInputStream());
5                  str = new ReadFileUtil(comm).readPDF(iss);


 



angel 2007-09-01 13:49 发表评论
]]>读RTF格式的文?/title><link>http://www.tkk7.com/angel512/articles/141912.html</link><dc:creator>angel</dc:creator><author>angel</author><pubDate>Sat, 01 Sep 2007 05:38:00 GMT</pubDate><guid>http://www.tkk7.com/angel512/articles/141912.html</guid><wfw:comment>http://www.tkk7.com/angel512/comments/141912.html</wfw:comment><comments>http://www.tkk7.com/angel512/articles/141912.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.tkk7.com/angel512/comments/commentRss/141912.html</wfw:commentRss><trackback:ping>http://www.tkk7.com/angel512/services/trackbacks/141912.html</trackback:ping><description><![CDATA[<p> </p> <div style="border-right: #cccccc 1px solid; padding-right: 5px; border-top: #cccccc 1px solid; padding-left: 4px; font-size: 13px; padding-bottom: 4px; border-left: #cccccc 1px solid; width: 98%; word-break: break-all; padding-top: 4px; border-bottom: #cccccc 1px solid; background-color: #eeeeee"><span style="color: #008080"> 1</span><img src="http://www.tkk7.com/images/OutliningIndicators/None.gif" align="top" alt="" /><span style="color: #0000ff">import</span><span style="color: #000000"> java.io.FileInputStream;<br /> </span><span style="color: #008080"> 2</span><span style="color: #000000"><img src="http://www.tkk7.com/images/OutliningIndicators/None.gif" align="top" alt="" /></span><span style="color: #0000ff">import</span><span style="color: #000000"> java.io.IOException;<br /> </span><span style="color: #008080"> 3</span><span style="color: #000000"><img src="http://www.tkk7.com/images/OutliningIndicators/None.gif" align="top" alt="" /></span><span style="color: #0000ff">import</span><span style="color: #000000"> java.io.InputStreamReader;<br /> </span><span style="color: #008080"> 4</span><span style="color: #000000"><img src="http://www.tkk7.com/images/OutliningIndicators/None.gif" align="top" alt="" /></span><span style="color: #0000ff">import</span><span style="color: #000000"> javax.swing.text.BadLocationException;<br /> </span><span style="color: #008080"> 5</span><span style="color: #000000"><img src="http://www.tkk7.com/images/OutliningIndicators/None.gif" align="top" alt="" /></span><span style="color: #0000ff">import</span><span style="color: #000000"> javax.swing.text.Document;<br /> </span><span style="color: #008080"> 6</span><span style="color: #000000"><img src="http://www.tkk7.com/images/OutliningIndicators/None.gif" align="top" alt="" /></span><span style="color: #0000ff">import</span><span style="color: #000000"> javax.swing.text.rtf.RTFEditorKit;<br /> </span><span style="color: #008080"> 7</span><span style="color: #000000"><img src="http://www.tkk7.com/images/OutliningIndicators/None.gif" align="top" alt="" /><br /> </span><span style="color: #008080"> 8</span><span style="color: #000000"><img id="Codehighlighter1_238_707_Open_Image" onclick="this.style.display='none'; Codehighlighter1_238_707_Open_Text.style.display='none'; Codehighlighter1_238_707_Closed_Image.style.display='inline'; Codehighlighter1_238_707_Closed_Text.style.display='inline';" src="http://www.tkk7.com/images/OutliningIndicators/ExpandedBlockStart.gif" align="top" alt="" /><img id="Codehighlighter1_238_707_Closed_Image" style="display: none" onclick="this.style.display='none'; Codehighlighter1_238_707_Closed_Text.style.display='none'; Codehighlighter1_238_707_Open_Image.style.display='inline'; Codehighlighter1_238_707_Open_Text.style.display='inline';" src="http://www.tkk7.com/images/OutliningIndicators/ContractedBlock.gif" align="top" alt="" /></span><span style="color: #0000ff">public</span><span style="color: #000000"> </span><span style="color: #0000ff">class</span><span style="color: #000000"> REFRead </span><span id="Codehighlighter1_238_707_Closed_Text" style="border-right: #808080 1px solid; border-top: #808080 1px solid; display: none; border-left: #808080 1px solid; border-bottom: #808080 1px solid; background-color: #ffffff"><img src="http://www.tkk7.com/Images/dot.gif" alt="" /></span><span id="Codehighlighter1_238_707_Open_Text"><span style="color: #000000">{<br /> </span><span style="color: #008080"> 9</span><span style="color: #000000"><img src="http://www.tkk7.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" /><br /> </span><span style="color: #008080">10</span><span style="color: #000000"><img src="http://www.tkk7.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" />    </span><span style="color: #0000ff">public</span><span style="color: #000000"> </span><span style="color: #0000ff">static</span><span style="color: #000000"> </span><span style="color: #0000ff">void</span><span style="color: #000000"> main(String[] args) </span><span style="color: #0000ff">throws</span><span style="color: #000000"> IOException,<br /> </span><span style="color: #008080">11</span><span style="color: #000000"><img id="Codehighlighter1_325_705_Open_Image" onclick="this.style.display='none'; Codehighlighter1_325_705_Open_Text.style.display='none'; Codehighlighter1_325_705_Closed_Image.style.display='inline'; Codehighlighter1_325_705_Closed_Text.style.display='inline';" src="http://www.tkk7.com/images/OutliningIndicators/ExpandedSubBlockStart.gif" align="top" alt="" /><img id="Codehighlighter1_325_705_Closed_Image" style="display: none" onclick="this.style.display='none'; Codehighlighter1_325_705_Closed_Text.style.display='none'; Codehighlighter1_325_705_Open_Image.style.display='inline'; Codehighlighter1_325_705_Open_Text.style.display='inline';" src="http://www.tkk7.com/images/OutliningIndicators/ContractedSubBlock.gif" align="top" alt="" />            BadLocationException </span><span id="Codehighlighter1_325_705_Closed_Text" style="border-right: #808080 1px solid; border-top: #808080 1px solid; display: none; border-left: #808080 1px solid; border-bottom: #808080 1px solid; background-color: #ffffff"><img src="http://www.tkk7.com/Images/dot.gif" alt="" /></span><span id="Codehighlighter1_325_705_Open_Text"><span style="color: #000000">{<br /> </span><span style="color: #008080">12</span><span style="color: #000000"><img src="http://www.tkk7.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" />        RTFEditorKit kit </span><span style="color: #000000">=</span><span style="color: #000000"> </span><span style="color: #0000ff">new</span><span style="color: #000000"> RTFEditorKit();<br /> </span><span style="color: #008080">13</span><span style="color: #000000"><img src="http://www.tkk7.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" />        Document doc </span><span style="color: #000000">=</span><span style="color: #000000"> kit.createDefaultDocument();<br /> </span><span style="color: #008080">14</span><span style="color: #000000"><img src="http://www.tkk7.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" />        FileInputStream fis </span><span style="color: #000000">=</span><span style="color: #000000"> </span><span style="color: #0000ff">new</span><span style="color: #000000"> java.io.FileInputStream(</span><span style="color: #000000">"</span><span style="color: #000000">e:\\aaa.rtf</span><span style="color: #000000">"</span><span style="color: #000000">);<br /> </span><span style="color: #008080">15</span><span style="color: #000000"><img src="http://www.tkk7.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" />        InputStreamReader in </span><span style="color: #000000">=</span><span style="color: #000000"> </span><span style="color: #0000ff">new</span><span style="color: #000000"> InputStreamReader(fis, </span><span style="color: #000000">"</span><span style="color: #000000">utf-8</span><span style="color: #000000">"</span><span style="color: #000000">);<br /> </span><span style="color: #008080">16</span><span style="color: #000000"><img src="http://www.tkk7.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" />        kit.read(in, doc, </span><span style="color: #000000">0</span><span style="color: #000000">);<br /> </span><span style="color: #008080">17</span><span style="color: #000000"><img src="http://www.tkk7.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" />        String result </span><span style="color: #000000">=</span><span style="color: #000000"> doc.getText(</span><span style="color: #000000">0</span><span style="color: #000000">, doc.getLength());<br /> </span><span style="color: #008080">18</span><span style="color: #000000"><img src="http://www.tkk7.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" />        result </span><span style="color: #000000">=</span><span style="color: #000000"> </span><span style="color: #0000ff">new</span><span style="color: #000000"> String(result.getBytes(</span><span style="color: #000000">"</span><span style="color: #000000">ISO8859_1</span><span style="color: #000000">"</span><span style="color: #000000">));<br /> </span><span style="color: #008080">19</span><span style="color: #000000"><img src="http://www.tkk7.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" />        System.out.println(result);<br /> </span><span style="color: #008080">20</span><span style="color: #000000"><img src="http://www.tkk7.com/images/OutliningIndicators/ExpandedSubBlockEnd.gif" align="top" alt="" />    }</span></span><span style="color: #000000"><br /> </span><span style="color: #008080">21</span><span style="color: #000000"><img src="http://www.tkk7.com/images/OutliningIndicators/ExpandedBlockEnd.gif" align="top" alt="" />}</span></span></div> <img src ="http://www.tkk7.com/angel512/aggbug/141912.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.tkk7.com/angel512/" target="_blank">angel</a> 2007-09-01 13:38 <a href="http://www.tkk7.com/angel512/articles/141912.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item></channel></rss> <footer> <div class="friendship-link"> <p>лǵվܻԴȤ</p> <a href="http://www.tkk7.com/" title="亚洲av成人片在线观看">亚洲av成人片在线观看</a> <div class="friend-links"> </div> </div> </footer> վ֩ģ壺 <a href="http://ai-xian.com" target="_blank">ëƬŮAPP</a>| <a href="http://140699.com" target="_blank">ĻƵ</a>| <a href="http://6363388.com" target="_blank">Ƶַ</a>| <a href="http://hwafarda.com" target="_blank">һ</a>| <a href="http://26672814.com" target="_blank">ŷ˳</a>| <a href="http://saohuo7.com" target="_blank">޾ƷƵ</a>| <a href="http://655060.com" target="_blank">AVһ</a>| <a href="http://xcdys.com" target="_blank">Ʒ޳</a>| <a href="http://lawelites.com" target="_blank">һƷһAVһ</a>| <a href="http://66eeb.com" target="_blank">Ļmv</a>| <a href="http://tlyihong.com" target="_blank">Ʒ10000</a>| <a href="http://9ts9.com" target="_blank">޹˾ƷӰ</a>| <a 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