??1
/**/
/*
??2
?*?Made?In?GamVan.com
??3
?*?Created?on?2005年3月18日,?下午8:37
??4
?
*/
??5
package
?com.gamvan.tools;
??6
import
?java.io.BufferedReader;
??7
import
?java.io.File;
??8
import
?java.io.FileInputStream;
??9
import
?java.io.FileOutputStream;
?10
import
?java.io.FileWriter;
?11
import
?java.io.IOException;
?12
import
?java.io.InputStream;
?13
import
?java.io.InputStreamReader;
?14
import
?java.io.PrintWriter;
?15
import
?java.util.StringTokenizer;
?16
public
?
class
?FileOperate?
{
?17
????
private
?String?message;
?18
????
public
?FileOperate()?
{
?19
????}
?20
?21
????
/**?*/
/**
?22
?????*?讀取文本文件內容
?23
?????*?
@param
?filePathAndName?帶有完整絕對路徑的文件名
?24
?????*?
@param
?encoding?文本文件打開的編碼方式
?25
?????*?
@return
?返回文本文件的內容
?26
?????
*/
?27
????
public
?String?readTxt(String?filePathAndName,String?encoding)?
throws
?IOException
{
?28
?????encoding?
=
?encoding.trim();
?29
?????StringBuffer?str?
=
?
new
?StringBuffer(
""
);
?30
?????String?st?
=
?
""
;
?31
?????
try
{
?32
??????FileInputStream?fs?
=
?
new
?FileInputStream(filePathAndName);
?33
??????InputStreamReader?isr;
?34
??????
if
(encoding.equals(
""
))
{
?35
???????isr?
=
?
new
?InputStreamReader(fs);
?36
??????}
else
{
?37
???????isr?
=
?
new
?InputStreamReader(fs,encoding);
?38
??????}
?39
??????BufferedReader?br?
=
?
new
?BufferedReader(isr);
?40
??????
try
{
?41
???????String?data?
=
?
""
;
?42
???????
while
((data?
=
?br.readLine())
!=
null
)
{
?43
?????????str.append(data
+
"
?
"
);?
?44
???????}
?45
??????}
catch
(Exception?e)
{
?46
???????str.append(e.toString());
?47
??????}
?48
??????st?
=
?str.toString();
?49
?????}
catch
(IOException?es)
{
?50
??????st?
=
?
""
;
?51
?????}
?52
?????
return
?st;?????
?53
????}
?54
?55
????
/**?*/
/**
?56
?????*?新建目錄
?57
?????*?
@param
?folderPath?目錄
?58
?????*?
@return
?返回目錄創建后的路徑
?59
?????
*/
?60
????
public
?String?createFolder(String?folderPath)?
{
?61
????????String?txt?
=
?folderPath;
?62
????????
try
?
{
?63
????????????java.io.File?myFilePath?
=
?
new
?java.io.File(txt);
?64
????????????txt?
=
?folderPath;
?65
????????????
if
?(
!
myFilePath.exists())?
{
?66
????????????????myFilePath.mkdir();
?67
????????????}
?68
????????}
?69
????????
catch
?(Exception?e)?
{
?70
????????????message?
=
?
"
創建目錄操作出錯
"
;
?71
????????}
?72
????????
return
?txt;
?73
????}
?74
????
?75
????
/**?*/
/**
?76
?????*?多級目錄創建
?77
?????*?
@param
?folderPath?準備要在本級目錄下創建新目錄的目錄路徑?例如?c:myf
?78
?????*?
@param
?paths?無限級目錄參數，各級目錄以單數線區分?例如?a|b|c
?79
?????*?
@return
?返回創建文件后的路徑?例如?c:myfac
?80
?????
*/
?81
????
public
?String?createFolders(String?folderPath,?String?paths)
{
?82
????????String?txts?
=
?folderPath;
?83
????????
try
{
?84
????????????String?txt;
?85
????????????txts?
=
?folderPath;
?86
????????????StringTokenizer?st?
=
?
new
?StringTokenizer(paths,
"
|
"
);
?87
????????????
for
(
int
?i
=
0
;?st.hasMoreTokens();?i
++
)
{
?88
????????????????????txt?
=
?st.nextToken().trim();
?89
????????????????????
if
(txts.lastIndexOf(
"
/
"
)
!=-
1
)
{?
?90
????????????????????????txts?
=
?createFolder(txts
+
txt);
?91
????????????????????}
else
{
?92
????????????????????????txts?
=
?createFolder(txts
+
txt
+
"
/
"
);????
?93
????????????????????}
?94
????????????}
?95
???????}
catch
(Exception?e)
{
?96
???????????message?
=
?
"
創建目錄操作出錯！
"
;
?97
???????}
?98
????????
return
?txts;
?99
????}
100
101
????
102
????
/**?*/
/**
103
?????*?新建文件
104
?????*?
@param
?filePathAndName?文本文件完整絕對路徑及文件名
105
?????*?
@param
?fileContent?文本文件內容
106
?????*?
@return
107
?????
*/
108
????
public
?
void
?createFile(String?filePathAndName,?String?fileContent)?
{
109
?????
110
????????
try
?
{
111
????????????String?filePath?
=
?filePathAndName;
112
????????????filePath?
=
?filePath.toString();
113
????????????File?myFilePath?
=
?
new
?File(filePath);
114
????????????
if
?(
!
myFilePath.exists())?
{
115
????????????????myFilePath.createNewFile();
116
????????????}
117
????????????FileWriter?resultFile?
=
?
new
?FileWriter(myFilePath);
118
????????????PrintWriter?myFile?
=
?
new
?PrintWriter(resultFile);
119
????????????String?strContent?
=
?fileContent;
120
????????????myFile.println(strContent);
121
????????????myFile.close();
122
????????????resultFile.close();
123
????????}
124
????????
catch
?(Exception?e)?
{
125
????????????message?
=
?
"
創建文件操作出錯
"
;
126
????????}
127
????}
128
129
130
????
/**?*/
/**
131
?????*?有編碼方式的文件創建
132
?????*?
@param
?filePathAndName?文本文件完整絕對路徑及文件名
133
?????*?
@param
?fileContent?文本文件內容
134
?????*?
@param
?encoding?編碼方式?例如?GBK?或者?UTF-8
135
?????*?
@return
136
?????
*/
137
????
public
?
void
?createFile(String?filePathAndName,?String?fileContent,?String?encoding)?
{
138
?????
139
????????
try
?
{
140
????????????String?filePath?
=
?filePathAndName;
141
????????????filePath?
=
?filePath.toString();
142
????????????File?myFilePath?
=
?
new
?File(filePath);
143
????????????
if
?(
!
myFilePath.exists())?
{
144
????????????????myFilePath.createNewFile();
145
????????????}
146
????????????PrintWriter?myFile?
=
?
new
?PrintWriter(myFilePath,encoding);
147
????????????String?strContent?
=
?fileContent;
148
????????????myFile.println(strContent);
149
????????????myFile.close();
150
????????}
151
????????
catch
?(Exception?e)?
{
152
????????????message?
=
?
"
創建文件操作出錯
"
;
153
????????}
154
????}
?
155
156
157
????
/**?*/
/**
158
?????*?刪除文件
159
?????*?
@param
?filePathAndName?文本文件完整絕對路徑及文件名
160
?????*?
@return
?Boolean?成功刪除返回true遭遇異常返回false
161
?????
*/
162
????
public
?
boolean
?delFile(String?filePathAndName)?
{
163
?????
boolean
?bea?
=
?
false
;
164
????????
try
?
{
165
????????????String?filePath?
=
?filePathAndName;
166
????????????File?myDelFile?
=
?
new
?File(filePath);
167
????????????
if
(myDelFile.exists())
{
168
?????????????myDelFile.delete();
169
?????????????bea?
=
?
true
;
170
????????????}
else
{
171
?????????????bea?
=
?
false
;
172
?????????????message?
=
?(filePathAndName
+
"
<br>刪除文件操作出錯
"
);
173
????????????}
174
????????}
175
????????
catch
?(Exception?e)?
{
176
????????????message?
=
?e.toString();
177
????????}
178
????????
return
?bea;
179
????}
180
????
181
182
183
????
/**?*/
/**
184
?????*?刪除文件夾
185
?????*?
@param
?folderPath?文件夾完整絕對路徑
186
?????*?
@return
187
?????
*/
188
????
public
?
void
?delFolder(String?folderPath)?
{
189
????????
try
?
{
190
????????????delAllFile(folderPath);?
//
刪除完里面所有內容
191
????????????String?filePath?
=
?folderPath;
192
????????????filePath?
=
?filePath.toString();
193
????????????java.io.File?myFilePath?
=
?
new
?java.io.File(filePath);
194
????????????myFilePath.delete();?
//
刪除空文件夾
195
????????}
196
????????
catch
?(Exception?e)?
{
197
????????????message?
=
?(
"
刪除文件夾操作出錯
"
);
198
????????}
199
????}
200
????
201
????
202
????
/**?*/
/**
203
?????*?刪除指定文件夾下所有文件
204
?????*?
@param
?path?文件夾完整絕對路徑
205
?????*?
@return
206
?????*?
@return
207
?????
*/
208
????
public
?
boolean
?delAllFile(String?path)?
{
209
?????
boolean
?bea?
=
?
false
;
210
????????File?file?
=
?
new
?File(path);
211
????????
if
?(
!
file.exists())?
{
212
????????????
return
?bea;
213
????????}
214
????????
if
?(
!
file.isDirectory())?
{
215
????????????
return
?bea;
216
????????}
217
????????String[]?tempList?
=
?file.list();
218
????????File?temp?
=
?
null
;
219
????????
for
?(
int
?i?
=
?
0
;?i?
<
?tempList.length;?i
++
)?
{
220
????????????
if
?(path.endsWith(File.separator))?
{
221
????????????????temp?
=
?
new
?File(path?
+
?tempList[i]);
222
????????????}
else
{
223
????????????????temp?
=
?
new
?File(path?
+
?File.separator?
+
?tempList[i]);
224
????????????}
225
????????????
if
?(temp.isFile())?
{
226
????????????????temp.delete();
227
????????????}
228
????????????
if
?(temp.isDirectory())?
{
229
????????????????delAllFile(path
+
"
/
"
+
?tempList[i]);
//
先刪除文件夾里面的文件
230
????????????????delFolder(path
+
"
/
"
+
?tempList[i]);
//
再刪除空文件夾
231
????????????????bea?
=
?
true
;
232
????????????}
233
????????}
234
????????
return
?bea;
235
????}
236
237
238
????
/**?*/
/**
239
?????*?復制單個文件
240
?????*?
@param
?oldPathFile?準備復制的文件源
241
?????*?
@param
?newPathFile?拷貝到新絕對路徑帶文件名
242
?????*?
@return
243
?????
*/
244
????
public
?
void
?copyFile(String?oldPathFile,?String?newPathFile)?
{
245
????????
try
?
{
246
????????????
int
?bytesum?
=
?
0
;
247
????????????
int
?byteread?
=
?
0
;
248
????????????File?oldfile?
=
?
new
?File(oldPathFile);
249
????????????
if
?(oldfile.exists())?
{?
//
文件存在時
250
????????????????InputStream?inStream?
=
?
new
?FileInputStream(oldPathFile);?
//
讀入原文件
251
????????????????FileOutputStream?fs?
=
?
new
?FileOutputStream(newPathFile);
252
????????????????
byte
[]?buffer?
=
?
new
?
byte
[
1444
];
253
????????????????
while
((byteread?
=
?inStream.read(buffer))?
!=
?
-
1
)
{
254
????????????????????bytesum?
+=
?byteread;?
//
字節數?文件大小
255
????????????????????System.out.println(bytesum);
256
????????????????????fs.write(buffer,?
0
,?byteread);
257
????????????????}
258
????????????????inStream.close();
259
????????????}
260
????????}
catch
?(Exception?e)?
{
261
????????????message?
=
?(
"
復制單個文件操作出錯
"
);
262
????????}
263
????}
264
????
265
266
????
/**?*/
/**
267
?????*?復制整個文件夾的內容
268
?????*?
@param
?oldPath?準備拷貝的目錄
269
?????*?
@param
?newPath?指定絕對路徑的新目錄
270
?????*?
@return
271
?????
*/
272
????
public
?
void
?copyFolder(String?oldPath,?String?newPath)?
{
273
????????
try
?
{
274
????????????
new
?File(newPath).mkdirs();?
//
如果文件夾不存在?則建立新文件夾
275
????????????File?a
=
new
?File(oldPath);
276
????????????String[]?file
=
a.list();
277
????????????File?temp
=
null
;
278
????????????
for
?(
int
?i?
=
?
0
;?i?
<
?file.length;?i
++
)?
{
279
????????????????
if
(oldPath.endsWith(File.separator))
{
280
????????????????????temp
=
new
?File(oldPath
+
file[i]);
281
????????????????}
else
{
282
????????????????????temp
=
new
?File(oldPath
+
File.separator
+
file[i]);
283
????????????????}
284
????????????????
if
(temp.isFile())
{
285
????????????????????FileInputStream?input?
=
?
new
?FileInputStream(temp);
286
????????????????????FileOutputStream?output?
=
?
new
?FileOutputStream(newPath?
+
?
"
/
"
?
+
287
????????????????????(temp.getName()).toString());
288
????????????????????
byte
[]?b?
=
?
new
?
byte
[
1024
?
*
?
5
];
289
????????????????????
int
?len;
290
????????????????????
while
?((len?
=
?input.read(b))?
!=
?
-
1
)?
{
291
????????????????????????output.write(b,?
0
,?len);
292
????????????????????}
293
????????????????????output.flush();
294
????????????????????output.close();
295
????????????????????input.close();
296
????????????????}
297
????????????????
if
(temp.isDirectory())
{
//
如果是子文件夾
298
????????????????????copyFolder(oldPath
+
"
/
"
+
file[i],newPath
+
"
/
"
+
file[i]);
299
????????????????}
300
????????????}
301
????????}
catch
?(Exception?e)?
{
302
????????????message?
=
?
"
復制整個文件夾內容操作出錯
"
;
303
????????}
304
????}
305
306
307
????
/**?*/
/**
308
?????*?移動文件
309
?????*?
@param
?oldPath
310
?????*?
@param
?newPath
311
?????*?
@return
312
?????
*/
313
????
public
?
void
?moveFile(String?oldPath,?String?newPath)?
{
314
????????copyFile(oldPath,?newPath);
315
????????delFile(oldPath);
316
????}
317
????
318
319
????
/**?*/
/**
320
?????*?移動目錄
321
?????*?
@param
?oldPath
322
?????*?
@param
?newPath
323
?????*?
@return
324
?????
*/
325
????
public
?
void
?moveFolder(String?oldPath,?String?newPath)?
{
326
????????copyFolder(oldPath,?newPath);
327
????????delFolder(oldPath);
328
????}
329
????
public
?String?getMessage()
{
330
????????
return
?
this
.message;
331
????}
332
}
333
334
335
336
??
posted on 2006-07-27 13:03
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