锘??xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:trackback="http://madskills.com/public/xml/rss/module/trackback/" xmlns:wfw="http://wellformedweb.org/CommentAPI/" xmlns:slash="http://purl.org/rss/1.0/modules/slash/"><channel><title>&#x4E9A;&#x6D32;&#x41;&#x76;&#x6C38;&#x4E45;&#x65E0;&#x7801;&#x7CBE;&#x54C1;&#x9ED1;&#x4EBA;&#x2C;&#x4E9A;&#x6D32;&#x4E71;&#x7801;&#x5728;&#x7EBF;&#x89C2;&#x770B;&#x2C;&#x56FD;&#x4EA7;&#x6210;&#x4EBA;&#x4E9A;&#x6D32;&#x6BDB;&#x7247;</title><link>http://www.tkk7.com/wuxufeng8080/category/22360.html</link><description /><language>zh-cn</language><lastBuildDate>Sat, 12 May 2007 21:03:23 GMT</lastBuildDate><pubDate>Sat, 12 May 2007 21:03:23 GMT</pubDate><ttl>60</ttl><item><title>Ruby 鍩虹璇硶</title><link>http://www.tkk7.com/wuxufeng8080/archive/2007/05/12/116926.html</link><dc:creator>椋庝漢鍥?/dc:creator><author>椋庝漢鍥?/author><pubDate>Sat, 12 May 2007 01:00:00 GMT</pubDate><guid>http://www.tkk7.com/wuxufeng8080/archive/2007/05/12/116926.html</guid><description><![CDATA[<h3>Ruby鐨勬敞閲?/h3>
<p>Ruby鐨勬敞閲婃槸鎸囦粠#寮�濮嬪埌璇ヨ緇撴潫銆?/p>
<h3>Ruby鐨勮〃杈懼紡</h3>
<p>Ruby鐨勮〃杈懼紡鍖呮嫭涓嬪垪鍐呭錛堜富瑕佺殑錛夈�?/p>
<dl>
<dt>瀛楃涓?
<dd>瀛楃涓叉槸鎸囪鍗曞紩鍙?')鎴栧弻寮曞彿(")鎷搗鏉ョ殑閮ㄥ垎銆傚湪鐢ㄥ弻寮曞彿鎷搗鏉ョ殑瀛楃涓蹭腑錛屽彲浠ヤ嬌鐢ㄥ弽鏂滄潬(\)鏉ユ寚瀹氳漿涔夊瓧絎︼紝榪欏悓C璇█鏄竴鏍風殑銆傚悓鏃訛紝浠?{}鎷搗鏉ョ殑琛ㄨ揪寮忕殑緇撴灉涔熻緗叆鍏朵腑銆?
<dt>鏁板�?
<dd>鏁存暟錛屾誕鐐規暟銆?
<dt>鏁扮粍錛忔暎鍒楄〃
<dd>鐢╗]鎷搗鏉ョ殑涓�涓茶〃杈懼紡鏄暟緇勶紝鑰屼互{}鎷搗鏉ョ殑涓�涓茶〃杈懼紡鏄暎鍒楄〃銆?
<dd>鏁ｅ垪琛ㄦ槸涓�縐嶅彲浠ユ妸浠繪剰綾誨瀷鐨勫璞￠兘褰撴垚绱㈠紩鐨勬暟緇勩�傛暎鍒楄〃鏈夋椂涔熷彨鍋氬搱甯岃〃鎴栬緸鍏搞�?
<dt>鍙橀噺錛忓父鏁?
<dd>Ruby涓湁甯告暟鍜?縐嶅彉閲忋�傚彉閲忓拰甯告暟鐨勫尯鍒湪浜庣涓�涓瓧絎︽湁鎵�涓嶅悓銆?
<dl>
<dt>灞�閮ㄥ彉閲?
<dd>鍙橀噺鍚嶄互灝忓啓鑻辨枃瀛楁瘝寮�濮嬨�備嬌鐢ㄦ椂錛岄渶瑕佷互璧嬪�肩殑鏂瑰紡榪涜鍒濆鍖栥�?
<dt>鍏ㄥ眬鍙橀噺
<dd>浠?寮�濮嬨�傛湭鍒濆鍖栫殑鍊間負nil銆?
<dt>瀹炰緥鍙橀噺
<dd>浠寮�濮嬨�傛湭鍒濆鍖栫殑鍊間負nil銆?
<dt>綾誨彉閲?
<dd>浠@寮�濮嬨�傛湭鍒濆鍖栫殑鍊間負nil銆?
<dt>綾誨父鏁?
<dd>浠ュぇ鍐欒嫳鏂囧瓧姣嶅紑濮嬨�傛湭鍒濆鍖栫殑鍊間負nil銆?</dd></dl>
<dt>璧嬪�?
<dd>鍙橀噺璧嬪�兼柟娉曞涓嬨�?
<pre>鍙橀噺=琛ㄨ揪寮?
</pre>
<dt>璋冪敤鏂規硶錛堝嚱鏁幫級
<dd>鎵ц瀵硅薄鍥烘湁鎿嶄綔錛堟柟娉曪級鐨勬柟娉曞涓?
<pre>琛ㄨ揪寮?鏂規硶鍚?
琛ㄨ揪寮?鏂規硶鍚?琛ㄨ揪寮?.)
</pre>
<dd>鍦ㄤ笉寮曡搗娣鋒穯鐨勬儏鍐典笅錛屽彲浠ョ渷鐣ュ弬鏁扮殑鎷彿銆?
<dd>璋冪敤鏌愭柟娉曟墽琛屼富浣搒elf鐨勬柟娉曟椂錛屽彲浠ョ渷鐣ユ渶寮�濮嬬殑琛ㄨ揪寮忋�?
<pre>鏂規硶鍚?
鏂規硶鍚?琛ㄨ揪寮?.)
</pre>
<dd>鍖哄垎鏃犲弬鏁扮殑鏂規硶璋冪敤鍜屽眬閮ㄥ彉閲忕殑鏂規硶鏄湅鐪嬫湁娌℃湁璧嬪�艱繃紼嬨�?
<dt>鎿嶄綔絎﹁〃杈懼紡
<dd>鏅�氱殑綆楀紡鍙互鐢?鍩烘湰涓婁笌C璇█涓�鏍風殑)鎿嶄綔絎︽潵琛ㄧず銆備絾鍐呴儴鏄妸鎿嶄綔絎﹀綋浣滄柟娉曡皟鐢?浠ユ搷浣滅浣滀負鏂規硶鍚?鏉ュ鐞嗙殑銆?</dd></dl>
<h3>Ruby鐨勮鍙?/h3>
<p>Ruby浣跨敤鍒嗗彿(;)鎴栨崲琛屾潵鍒嗛殧琛ㄨ揪寮忥紝琛ㄨ揪寮忎覆璧鋒潵鏋勬垚璇彞銆傝鍙ョ殑鍊煎彇鍐充簬鏈�鍚庢墽琛岀殑琛ㄨ揪寮忕殑鍊箋�?/p>
<h3>Ruby鐨勬祦紼嬫帶鍒剁粨鏋?/h3>
<p>Ruby涓彲浠ヤ嬌鐢ㄤ笅鍒楁祦紼嬫帶鍒剁粨鏋勩�?/p>
<ul>
    <li>if琛ㄨ揪寮?then浠ｇ爜鍧?[elsif琛ㄨ揪寮?then浠ｇ爜鍧梋..[else浠ｇ爜鍧梋end
    <li>case琛ㄨ揪寮弚hen琛ㄨ揪寮?.;浠ｇ爜鍧?..[else浠ｇ爜鍧梋end
    <li>while琛ㄨ揪寮?浠ｇ爜鍧梕nd
    <li>for鍙橀噺..in琛ㄨ揪寮?浠ｇ爜鍧梕nd</li>
</ul>
<p>if鍜寃hile鐨勬剰鎬濅笌閫氬父鐨勮璦�鍩烘湰鐩稿悓銆傚彲浠ヤ嬌鐢ㄥ垎鍙鋒垨鎹㈣鏉ヤ唬鏇縤f浠ｇ爜鍧椾腑鐨則hen銆傝娉ㄦ剰Ruby浣跨敤elsif浠ｆ浛C璇█涓殑else if銆?/p>
<p>case鏄妸鑻ュ共涓瘮杈冨綊涓轟竴浣撶殑鎺у埗緇撴瀯銆?/p>
<p>for鍙互浣跨敤寰幆鎶婃暟緇勭瓑鐨勫厓绱犲垎鍒祴鍊肩粰鍙橀噺銆?/p>
<h3>寰幆鍐呭彲浠ヤ嬌鐢ㄤ笅鍒楄鍙ャ�?/h3>
<dl>
<dt>break
<dd>涓柇寰幆錛堢浉褰撲簬C璇█鐨刡reak錛夈�?
<dt>next
<dd>寮�濮嬩笅涓�嬈″驚鐜紙鐩稿綋浜嶤璇█鐨刢ontinue錛夈�?
<dt>redo
<dd>閲嶆柊鎵ц鍧楃殑絎竴琛屻�?</dd></dl>
<h3>甯哥敤鐨勮鍙?/h3>
<p>浠嬬粛鍑犱釜Ruby紼嬪簭涓父鐢ㄧ殑璇彞銆傝繖浜涜鍙ユ槸瀵硅薄綾葷殑鏂規硶錛屽彲浠ュ湪浠諱綍綾諱腑浣跨敤錛屽氨濡傚悓浣跨敤鍑芥暟涓�鏍楓�?/p>
<dl>
<dt><samp>exit([status])</samp>
<dd>緇撴潫紼嬪簭鐨勮繍琛屻�傝嫢涓簊tatus鎸囧畾浜嗕竴涓暣鏁扮殑璇濓紝璇ユ暣鏁板氨鎴愪負緇撴潫status銆傞粯璁ょ殑status鍊間負0銆?
<dt><samp>gets</samp>
<dd>浠庡懡浠よ鍙傛暟鎸囧畾鐨勬枃浠?緹?涓鍙栦竴琛岋紝鐒跺悗鎶婅琛岀殑鍐呭浣滀負瀛楃涓茶繑鍥炪�傝嫢娌℃湁鍒跺畾鍛戒護琛屽弬鏁扮殑璇濓紝鍒欎粠鏍囧噯杈撳叆涓鍙栥�傝鍙栫殑瀛楃涓插彲浠ヨ璧嬪�肩粰鍙橀噺$_銆傞亣鍒版枃浠剁粨鏉熻繑鍥瀗il(浼?銆?
<pre>while gets
...
end
</pre>
<dd>涓婇潰灝辨槸鍏稿瀷鐨勭敤娉曘�?
<dt><samp>open(鏂囦歡鍚峓,mode])</samp>
<dd>鎵撳紑鏂囦歡銆俶ode鏄瓧絎︿覆錛屽氨鍜孋鐨刦open涓�鏍楓�傜渷鐣ユ椂浠ヨ鍙栨ā寮忔墦寮�銆?
<dt><samp>print</samp>
<dd>杈撳嚭鍑芥暟銆傛寜欏哄簭灝嗗弬鏁拌緭鍑哄埌鏍囧噯杈撳嚭涓娿�傜渷鐣ュ弬鏁版椂鍒欒緭鍑哄彉閲?_鐨勫�箋�?/dd></dl>
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