文件处理通用类
1
2
3 import java.io.BufferedReader;
4 import java.io.File;
5 import java.io.FileInputStream;
6 import java.io.FileOutputStream;
7 import java.io.InputStreamReader;
8 import java.io.OutputStreamWriter;
9 import java.io.Writer;
10
11 /** */ /**
12 * 文件操作通用类
13 *
14 * @author YangHui
15 */
16 public class FileHandle {
17
18 /** *//**
19 * 判断指定路径文件或目录是否存在
20 *
21 * @param strPath
22 * 文件全路径(含文件名)/目录全路径
23 * @return boolean
24 */
25 public static boolean getState(String strPath) {
26 boolean blnResult = false;
27 File file = null;
28 try {
29 file = new File(strPath);
30 if (file.exists() || file.isFile()) {
31 blnResult = true;
32 }
33 }
34 catch (Exception e) {
35 System.out.println("类:FileHandle,方法:getState,信息:路径有误," + strPath);
36 }
37 finally {
38 file = null;
39 }
40 // 释放对象
41 strPath = null;
42 return blnResult;
43 }
44
45 /** *//**
46 * 读取文件到字符串中
47 *
48 * @param strFilePath
49 * 文件全路径(含文件名)
50 * @param strCoding
51 * 编码格式
52 * @return String
53 */
54 public static String fileToString(String strFilePath, String strCoding) {
55 StringBuffer strBuffResult = new StringBuffer();
56 int i = 0;
57 if (strCoding == null || strCoding.trim().length() <= 0) {
58 strCoding = "UTF-8";
59 }
60 BufferedReader bufferedReader = null;
61 try {
62 if (strCoding == null || strCoding.trim().length() <= 0) {
63 bufferedReader = new BufferedReader(new InputStreamReader(
64 new FileInputStream(strFilePath)));
65 } else {
66 bufferedReader = new BufferedReader(new InputStreamReader(
67 new FileInputStream(strFilePath), strCoding));
68 }
69 while ((i = bufferedReader.read()) != -1) {
70 strBuffResult.append((char) i);
71 }
72 bufferedReader.close();
73 }
74 catch (Exception ex) {
75 System.out.println("类:FileHandle,方法:fileToString,信息:" + ex);
76 }
77 finally {
78 bufferedReader = null;
79 }
80 // 释放对象
81 strCoding = null;
82 strFilePath = null;
83 return strBuffResult.toString();
84 }
85
86 /** *//**
87 * 将字符串写入到文件中
88 *
89 * @param strContent
90 * 字符串内容
91 * @param strFilePath
92 * 文件全路径(含文件名)
93 * @param strCoding
94 * 编码格式,默认:UTF-8
95 * @return boolean
96 */
97 public static boolean stringToFile(String strContent, String strFilePath,
98 String strCoding) {
99 boolean blnResult = false;
100 if (strCoding == null || strCoding.trim().length() <= 0) {
101 strCoding = "UTF-8";
102 }
103 FileOutputStream fileOutputStream = null; // 文件输出对象
104 Writer writer = null;
105 try {
106 fileOutputStream = new FileOutputStream(strFilePath);
107 if (strCoding == null || strCoding.trim().length() <= 0) {
108 writer = new OutputStreamWriter(fileOutputStream);
109 } else {
110 writer = new OutputStreamWriter(fileOutputStream, strCoding);
111 }
112 writer.write(strContent);
113 writer.flush();
114 writer.close();
115 fileOutputStream.close();
116 blnResult = true;
117 }
118 catch (Exception ex) {
119 System.out.println("类:FileHandle;方法:stringToFile;信息:" + ex);
120 }
121 finally {
122 writer = null;
123 fileOutputStream = null;
124 }
125 // 释放对象
126 strCoding = null;
127 strContent = null;
128 strFilePath = null;
129 return blnResult;
130 }
131
132 /** *//**
133 * 新建目录
134 *
135 * @param strFolderPath
136 * 目录路径(含要创建的目录名称)
137 * @return boolean
138 */
139 public static boolean createFolder(String strFolderPath) {
140 boolean blnResult = true;
141 File file = null;
142 if (strFolderPath != null && strFolderPath.trim().length() > 0) {
143 try {
144 file = new File(strFolderPath);
145 if (!file.exists()) {
146 file.mkdir();
147 }
148 }
149 catch (Exception e) {
150 System.out.println("类:FileHandle,方法:createFolder,信息:创建目录操作出错,"
151 + strFolderPath);
152 blnResult = false;
153 }
154 finally {
155 file = null;
156 }
157 }
158 // 释放对象
159 strFolderPath = null;
160 return blnResult;
161 }
162
163 /** *//**
164 * 复制整个文件夹的内容
165 *
166 * @param strOldFolderPath
167 * 准备拷贝的目录
168 * @param strNewFolderPath
169 * 指定绝对路径的新目录
170 * @return void
171 */
172 public static void copyFolder(String strOldFolderPath,
173 String strNewFolderPath) {
174 FileInputStream fileInputStream = null;
175 FileOutputStream fileOutputStream = null;
176 File file = null;
177 String[] strArrayFile = null;
178 File fileTemp = null;
179 byte[] byteArray = null;
180 int intIndex = 0;
181 try {
182 new File(strNewFolderPath).mkdirs(); // 如果文件夹不存在 则建立新文件夹
183 file = new File(strOldFolderPath);
184 strArrayFile = file.list();
185 for (int i = 0; i < strArrayFile.length; i++) {
186 if (strOldFolderPath.endsWith(File.separator)) {
187 fileTemp = new File(strOldFolderPath + strArrayFile[i]);
188 } else {
189 fileTemp = new File(strOldFolderPath + File.separator
190 + strArrayFile[i]);
191 }
192 if (fileTemp.isFile() && (!fileTemp.isHidden())) {
193 fileInputStream = new FileInputStream(fileTemp);
194 fileOutputStream = new FileOutputStream(strNewFolderPath
195 + "/" + (fileTemp.getName()).toString());
196 byteArray = new byte[1024 * 5];
197 while ((intIndex = fileInputStream.read(byteArray)) != -1) {
198 fileOutputStream.write(byteArray, 0, intIndex);
199 }
200 fileOutputStream.flush();
201 fileOutputStream.close();
202 fileInputStream.close();
203 intIndex = 0;
204 }
205 if (fileTemp.isDirectory() && (!fileTemp.isHidden())) {// 如果是子文件夹
206 copyFolder(strOldFolderPath + File.separator
207 + strArrayFile[i], strNewFolderPath
208 + File.separator + strArrayFile[i]);
209 }
210 }
211 }
212 catch (Exception e) {
213 System.out.println("类:FileHandle,方法:copyFolder,信息:复制整个文件夹内容操作出错,"
214 + e);
215 }
216 finally {
217 fileInputStream = null;
218 fileOutputStream = null;
219 file = null;
220 fileTemp = null;
221 byteArray = null;
222 }
223 // 释放对象
224 strArrayFile = null;
225 strNewFolderPath = null;
226 strOldFolderPath = null;
227 }
228
229 /** *//**
230 * 复制单个文件
231 *
232 * @param strOldFilePath
233 * 准备复制的文件源
234 * @param strNewFilePath
235 * 拷贝到新绝对路径带文件名
236 * @return boolean
237 */
238 public static boolean copyFile(String strOldFilePath, String strNewFilePath) {
239 boolean blnResult = false;
240 FileInputStream fileInputStream = null;
241 FileOutputStream fileOutputStream = null;
242 File file = null;
243 byte[] byteArray = null;
244 int intIndex = 0;
245 try {
246 fileInputStream = new FileInputStream(strOldFilePath);
247 file = new File(strNewFilePath);
248 if (!file.exists()) {
249 file.createNewFile();
250 }
251 fileOutputStream = new FileOutputStream(file);
252 byteArray = new byte[1024];
253 while ((intIndex = fileInputStream.read(byteArray)) != -1) {
254 for (int i = 0; i < intIndex; i++)
255 fileOutputStream.write(byteArray[i]);
256 }
257 intIndex = 0;
258 fileInputStream.close();
259 fileOutputStream.close();
260 blnResult = true;
261 }
262 catch (Exception e) {
263 System.out.println("类:FileHandle,方法:copyFile,信息:被拷贝文件不存在!" + e);
264 }
265 finally {
266 fileInputStream = null;
267 fileOutputStream = null;
268 file = null;
269 byteArray = null;
270 }
271 // 释放对象
272 strNewFilePath = null;
273 strOldFilePath = null;
274 return blnResult;
275 }
276
277 /** *//**
278 * 删除文件
279 *
280 * @param strFilePath
281 * 文件全路径(含文件名)
282 * @return boolean
283 */
284 public static boolean delFile(String strFilePath) {
285 boolean blnResult = false;
286 File file = null;
287 if (strFilePath != null && strFilePath.trim().length() > 0) {
288 try {
289 file = new File(strFilePath);
290 if (file.exists()) {
291 file.delete();
292 blnResult = true;
293 } else {
294 System.out.println("类:FileHandle,方法:delFile,信息:被文件不存在,"
295 + strFilePath);
296 }
297 }
298 catch (Exception e) {
299 System.out.println("类:FileHandle,方法:delFile,信息:删除文件有误," + e);
300 }
301 finally {
302 file = null;
303 }
304 } else {
305 System.out.println("类:FileHandle,方法:delFile,"
306 + "信息:strFilePath = null.");
307 }
308 // 释放对象
309 strFilePath = null;
310 return blnResult;
311 }
312
313 /** *//**
314 * 删除文件夹
315 *
316 * @param strFolderPath
317 * 文件夹完整绝对路径
318 * @return void
319 */
320 public static void delFolder(String strFolderPath) {
321 File file = null;
322 if (strFolderPath != null && strFolderPath.trim().length() > 0) {
323 try {
324 delAllFile(strFolderPath); // 删除完里面所有内容
325 file = new File(strFolderPath);
326 file.delete(); // 删除空文件夹
327 }
328 catch (Exception e) {
329 System.out.println("类:FileHandle,方法:delFolder,信息:删除目录有误," + e);
330 }
331 finally {
332 file = null;
333 }
334 } else {
335 System.out.println("类:FileHandle,方法:delFolder,"
336 + "信息:strFolderPath=null");
337 }
338 // 释放对象
339 strFolderPath = null;
340 }
341
342 /** *//**
343 * 删除指定文件夹下所有文件及目录
344 *
345 * @param strFolderPath
346 * 文件夹完整绝对路径
347 * @return boolean
348 */
349 public static boolean delAllFile(String strFolderPath) {
350 boolean blnResult = false;
351 int intFileCount = 0;
352 String[] strArrayFile = null;
353 File file = new File(strFolderPath);
354 if (file.exists() && file.isDirectory()) {
355 strArrayFile = file.list();
356 if (strArrayFile == null || strArrayFile.length <= 0) {
357 blnResult = true;
358 } else {
359 intFileCount = strArrayFile.length;
360 if (intFileCount > 0) {
361 for (int i = 0; i < intFileCount; i++) {
362 if (strFolderPath.endsWith(File.separator)) {
363 file = new File(strFolderPath + strArrayFile[i]);
364 } else {
365 file = new File(strFolderPath + File.separator
366 + strArrayFile[i]);
367 }
368 if (file.isFile()) {
369 file.delete();
370 }
371 if (file.isDirectory()) {
372 delAllFile(strFolderPath + File.separator
373 + strArrayFile[i]);// 先删除文件夹里面的文件
374 delFolder(strFolderPath + File.separator
375 + strArrayFile[i]);// 再删除空文件夹
376 }
377 blnResult = true;
378 }
379 } else {
380 blnResult = true;
381 }
382 }
383 } else {
384 System.out.println("类:FileHandle,方法:delAllFile,信息:删除文件目录有误,"
385 + strFolderPath);
386 }
387 // 释放对象
388 strFolderPath = null;
389 strArrayFile = null;
390 file = null;
391 return blnResult;
392 }
393
394 /** *//**
395 * 获得一个目录下面所有文件
396 *
397 * @param strFolderPath
398 * 文件夹完整绝对路径
399 * @return String[]
400 */
401 public static String[] getAllFile(String strFolderPath) {
402 String[] strArrayResult = null;
403 File file = null;
404 if (strFolderPath != null && strFolderPath.trim().length() > 0) {
405 file = new File(strFolderPath);
406 if (getState(strFolderPath) && file.isDirectory()) {
407 strArrayResult = file.list();
408 }
409 if (strArrayResult == null || strArrayResult.length <= 0
410 || strArrayResult[0].trim().length() <= 0) {
411 strArrayResult = null;
412 }
413 } else {
414 System.out.println("类:FileHandle,方法:getAllFile,"
415 + "信息:strFolderPath=null");
416 }
417 // 释放对象
418 file = null;
419 strFolderPath = null;
420 return strArrayResult;
421 }
422
423 /** *//**
424 * 获得指定目录下所有的一级目录
425 *
426 * @param strFolderPath
427 * 指定路径名
428 * @return File[]
429 */
430 public static File[] getAllFolder(String strFolderPath) {
431 File file = null;
432 File[] fileArray = null;
433 if (strFolderPath != null && strFolderPath.trim().length() > 0) {
434 file = new File(strFolderPath);
435 fileArray = file.listFiles();
436 if (fileArray == null || fileArray.length <= 0) {
437 fileArray = null;
438 }
439 } else {
440 System.out.println("类:FileHandle,方法:getAllFolder,"
441 + "信息:strFolderPath=null");
442 }
443 // 释放对象
444 file = null;
445 strFolderPath = null;
446 return fileArray;
447 }
448
449}
450
2
3 import java.io.BufferedReader;
4 import java.io.File;
5 import java.io.FileInputStream;
6 import java.io.FileOutputStream;
7 import java.io.InputStreamReader;
8 import java.io.OutputStreamWriter;
9 import java.io.Writer;
10
11 /** */ /**
12 * 文件操作通用类
13 *
14 * @author YangHui
15 */
16 public class FileHandle {
17
18 /** *//**
19 * 判断指定路径文件或目录是否存在
20 *
21 * @param strPath
22 * 文件全路径(含文件名)/目录全路径
23 * @return boolean
24 */
25 public static boolean getState(String strPath) {
26 boolean blnResult = false;
27 File file = null;
28 try {
29 file = new File(strPath);
30 if (file.exists() || file.isFile()) {
31 blnResult = true;
32 }
33 }
34 catch (Exception e) {
35 System.out.println("类:FileHandle,方法:getState,信息:路径有误," + strPath);
36 }
37 finally {
38 file = null;
39 }
40 // 释放对象
41 strPath = null;
42 return blnResult;
43 }
44
45 /** *//**
46 * 读取文件到字符串中
47 *
48 * @param strFilePath
49 * 文件全路径(含文件名)
50 * @param strCoding
51 * 编码格式
52 * @return String
53 */
54 public static String fileToString(String strFilePath, String strCoding) {
55 StringBuffer strBuffResult = new StringBuffer();
56 int i = 0;
57 if (strCoding == null || strCoding.trim().length() <= 0) {
58 strCoding = "UTF-8";
59 }
60 BufferedReader bufferedReader = null;
61 try {
62 if (strCoding == null || strCoding.trim().length() <= 0) {
63 bufferedReader = new BufferedReader(new InputStreamReader(
64 new FileInputStream(strFilePath)));
65 } else {
66 bufferedReader = new BufferedReader(new InputStreamReader(
67 new FileInputStream(strFilePath), strCoding));
68 }
69 while ((i = bufferedReader.read()) != -1) {
70 strBuffResult.append((char) i);
71 }
72 bufferedReader.close();
73 }
74 catch (Exception ex) {
75 System.out.println("类:FileHandle,方法:fileToString,信息:" + ex);
76 }
77 finally {
78 bufferedReader = null;
79 }
80 // 释放对象
81 strCoding = null;
82 strFilePath = null;
83 return strBuffResult.toString();
84 }
85
86 /** *//**
87 * 将字符串写入到文件中
88 *
89 * @param strContent
90 * 字符串内容
91 * @param strFilePath
92 * 文件全路径(含文件名)
93 * @param strCoding
94 * 编码格式,默认:UTF-8
95 * @return boolean
96 */
97 public static boolean stringToFile(String strContent, String strFilePath,
98 String strCoding) {
99 boolean blnResult = false;
100 if (strCoding == null || strCoding.trim().length() <= 0) {
101 strCoding = "UTF-8";
102 }
103 FileOutputStream fileOutputStream = null; // 文件输出对象
104 Writer writer = null;
105 try {
106 fileOutputStream = new FileOutputStream(strFilePath);
107 if (strCoding == null || strCoding.trim().length() <= 0) {
108 writer = new OutputStreamWriter(fileOutputStream);
109 } else {
110 writer = new OutputStreamWriter(fileOutputStream, strCoding);
111 }
112 writer.write(strContent);
113 writer.flush();
114 writer.close();
115 fileOutputStream.close();
116 blnResult = true;
117 }
118 catch (Exception ex) {
119 System.out.println("类:FileHandle;方法:stringToFile;信息:" + ex);
120 }
121 finally {
122 writer = null;
123 fileOutputStream = null;
124 }
125 // 释放对象
126 strCoding = null;
127 strContent = null;
128 strFilePath = null;
129 return blnResult;
130 }
131
132 /** *//**
133 * 新建目录
134 *
135 * @param strFolderPath
136 * 目录路径(含要创建的目录名称)
137 * @return boolean
138 */
139 public static boolean createFolder(String strFolderPath) {
140 boolean blnResult = true;
141 File file = null;
142 if (strFolderPath != null && strFolderPath.trim().length() > 0) {
143 try {
144 file = new File(strFolderPath);
145 if (!file.exists()) {
146 file.mkdir();
147 }
148 }
149 catch (Exception e) {
150 System.out.println("类:FileHandle,方法:createFolder,信息:创建目录操作出错,"
151 + strFolderPath);
152 blnResult = false;
153 }
154 finally {
155 file = null;
156 }
157 }
158 // 释放对象
159 strFolderPath = null;
160 return blnResult;
161 }
162
163 /** *//**
164 * 复制整个文件夹的内容
165 *
166 * @param strOldFolderPath
167 * 准备拷贝的目录
168 * @param strNewFolderPath
169 * 指定绝对路径的新目录
170 * @return void
171 */
172 public static void copyFolder(String strOldFolderPath,
173 String strNewFolderPath) {
174 FileInputStream fileInputStream = null;
175 FileOutputStream fileOutputStream = null;
176 File file = null;
177 String[] strArrayFile = null;
178 File fileTemp = null;
179 byte[] byteArray = null;
180 int intIndex = 0;
181 try {
182 new File(strNewFolderPath).mkdirs(); // 如果文件夹不存在 则建立新文件夹
183 file = new File(strOldFolderPath);
184 strArrayFile = file.list();
185 for (int i = 0; i < strArrayFile.length; i++) {
186 if (strOldFolderPath.endsWith(File.separator)) {
187 fileTemp = new File(strOldFolderPath + strArrayFile[i]);
188 } else {
189 fileTemp = new File(strOldFolderPath + File.separator
190 + strArrayFile[i]);
191 }
192 if (fileTemp.isFile() && (!fileTemp.isHidden())) {
193 fileInputStream = new FileInputStream(fileTemp);
194 fileOutputStream = new FileOutputStream(strNewFolderPath
195 + "/" + (fileTemp.getName()).toString());
196 byteArray = new byte[1024 * 5];
197 while ((intIndex = fileInputStream.read(byteArray)) != -1) {
198 fileOutputStream.write(byteArray, 0, intIndex);
199 }
200 fileOutputStream.flush();
201 fileOutputStream.close();
202 fileInputStream.close();
203 intIndex = 0;
204 }
205 if (fileTemp.isDirectory() && (!fileTemp.isHidden())) {// 如果是子文件夹
206 copyFolder(strOldFolderPath + File.separator
207 + strArrayFile[i], strNewFolderPath
208 + File.separator + strArrayFile[i]);
209 }
210 }
211 }
212 catch (Exception e) {
213 System.out.println("类:FileHandle,方法:copyFolder,信息:复制整个文件夹内容操作出错,"
214 + e);
215 }
216 finally {
217 fileInputStream = null;
218 fileOutputStream = null;
219 file = null;
220 fileTemp = null;
221 byteArray = null;
222 }
223 // 释放对象
224 strArrayFile = null;
225 strNewFolderPath = null;
226 strOldFolderPath = null;
227 }
228
229 /** *//**
230 * 复制单个文件
231 *
232 * @param strOldFilePath
233 * 准备复制的文件源
234 * @param strNewFilePath
235 * 拷贝到新绝对路径带文件名
236 * @return boolean
237 */
238 public static boolean copyFile(String strOldFilePath, String strNewFilePath) {
239 boolean blnResult = false;
240 FileInputStream fileInputStream = null;
241 FileOutputStream fileOutputStream = null;
242 File file = null;
243 byte[] byteArray = null;
244 int intIndex = 0;
245 try {
246 fileInputStream = new FileInputStream(strOldFilePath);
247 file = new File(strNewFilePath);
248 if (!file.exists()) {
249 file.createNewFile();
250 }
251 fileOutputStream = new FileOutputStream(file);
252 byteArray = new byte[1024];
253 while ((intIndex = fileInputStream.read(byteArray)) != -1) {
254 for (int i = 0; i < intIndex; i++)
255 fileOutputStream.write(byteArray[i]);
256 }
257 intIndex = 0;
258 fileInputStream.close();
259 fileOutputStream.close();
260 blnResult = true;
261 }
262 catch (Exception e) {
263 System.out.println("类:FileHandle,方法:copyFile,信息:被拷贝文件不存在!" + e);
264 }
265 finally {
266 fileInputStream = null;
267 fileOutputStream = null;
268 file = null;
269 byteArray = null;
270 }
271 // 释放对象
272 strNewFilePath = null;
273 strOldFilePath = null;
274 return blnResult;
275 }
276
277 /** *//**
278 * 删除文件
279 *
280 * @param strFilePath
281 * 文件全路径(含文件名)
282 * @return boolean
283 */
284 public static boolean delFile(String strFilePath) {
285 boolean blnResult = false;
286 File file = null;
287 if (strFilePath != null && strFilePath.trim().length() > 0) {
288 try {
289 file = new File(strFilePath);
290 if (file.exists()) {
291 file.delete();
292 blnResult = true;
293 } else {
294 System.out.println("类:FileHandle,方法:delFile,信息:被文件不存在,"
295 + strFilePath);
296 }
297 }
298 catch (Exception e) {
299 System.out.println("类:FileHandle,方法:delFile,信息:删除文件有误," + e);
300 }
301 finally {
302 file = null;
303 }
304 } else {
305 System.out.println("类:FileHandle,方法:delFile,"
306 + "信息:strFilePath = null.");
307 }
308 // 释放对象
309 strFilePath = null;
310 return blnResult;
311 }
312
313 /** *//**
314 * 删除文件夹
315 *
316 * @param strFolderPath
317 * 文件夹完整绝对路径
318 * @return void
319 */
320 public static void delFolder(String strFolderPath) {
321 File file = null;
322 if (strFolderPath != null && strFolderPath.trim().length() > 0) {
323 try {
324 delAllFile(strFolderPath); // 删除完里面所有内容
325 file = new File(strFolderPath);
326 file.delete(); // 删除空文件夹
327 }
328 catch (Exception e) {
329 System.out.println("类:FileHandle,方法:delFolder,信息:删除目录有误," + e);
330 }
331 finally {
332 file = null;
333 }
334 } else {
335 System.out.println("类:FileHandle,方法:delFolder,"
336 + "信息:strFolderPath=null");
337 }
338 // 释放对象
339 strFolderPath = null;
340 }
341
342 /** *//**
343 * 删除指定文件夹下所有文件及目录
344 *
345 * @param strFolderPath
346 * 文件夹完整绝对路径
347 * @return boolean
348 */
349 public static boolean delAllFile(String strFolderPath) {
350 boolean blnResult = false;
351 int intFileCount = 0;
352 String[] strArrayFile = null;
353 File file = new File(strFolderPath);
354 if (file.exists() && file.isDirectory()) {
355 strArrayFile = file.list();
356 if (strArrayFile == null || strArrayFile.length <= 0) {
357 blnResult = true;
358 } else {
359 intFileCount = strArrayFile.length;
360 if (intFileCount > 0) {
361 for (int i = 0; i < intFileCount; i++) {
362 if (strFolderPath.endsWith(File.separator)) {
363 file = new File(strFolderPath + strArrayFile[i]);
364 } else {
365 file = new File(strFolderPath + File.separator
366 + strArrayFile[i]);
367 }
368 if (file.isFile()) {
369 file.delete();
370 }
371 if (file.isDirectory()) {
372 delAllFile(strFolderPath + File.separator
373 + strArrayFile[i]);// 先删除文件夹里面的文件
374 delFolder(strFolderPath + File.separator
375 + strArrayFile[i]);// 再删除空文件夹
376 }
377 blnResult = true;
378 }
379 } else {
380 blnResult = true;
381 }
382 }
383 } else {
384 System.out.println("类:FileHandle,方法:delAllFile,信息:删除文件目录有误,"
385 + strFolderPath);
386 }
387 // 释放对象
388 strFolderPath = null;
389 strArrayFile = null;
390 file = null;
391 return blnResult;
392 }
393
394 /** *//**
395 * 获得一个目录下面所有文件
396 *
397 * @param strFolderPath
398 * 文件夹完整绝对路径
399 * @return String[]
400 */
401 public static String[] getAllFile(String strFolderPath) {
402 String[] strArrayResult = null;
403 File file = null;
404 if (strFolderPath != null && strFolderPath.trim().length() > 0) {
405 file = new File(strFolderPath);
406 if (getState(strFolderPath) && file.isDirectory()) {
407 strArrayResult = file.list();
408 }
409 if (strArrayResult == null || strArrayResult.length <= 0
410 || strArrayResult[0].trim().length() <= 0) {
411 strArrayResult = null;
412 }
413 } else {
414 System.out.println("类:FileHandle,方法:getAllFile,"
415 + "信息:strFolderPath=null");
416 }
417 // 释放对象
418 file = null;
419 strFolderPath = null;
420 return strArrayResult;
421 }
422
423 /** *//**
424 * 获得指定目录下所有的一级目录
425 *
426 * @param strFolderPath
427 * 指定路径名
428 * @return File[]
429 */
430 public static File[] getAllFolder(String strFolderPath) {
431 File file = null;
432 File[] fileArray = null;
433 if (strFolderPath != null && strFolderPath.trim().length() > 0) {
434 file = new File(strFolderPath);
435 fileArray = file.listFiles();
436 if (fileArray == null || fileArray.length <= 0) {
437 fileArray = null;
438 }
439 } else {
440 System.out.println("类:FileHandle,方法:getAllFolder,"
441 + "信息:strFolderPath=null");
442 }
443 // 释放对象
444 file = null;
445 strFolderPath = null;
446 return fileArray;
447 }
448
449}
450