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java创建文件夹，文件；删除文件夹，文件

2009-10-19 19:55 603 查看

java创建文件夹，文件；删除文件夹，文件
2008年09月05日 08:56

package ifpre.web;

import gxdmif.GXStringUtil;

import java.io.DataOutputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.InputStream;

import org.springframework.web.multipart.MultipartFile;

public class SaveFile {
public boolean save(String path, MultipartFile file) throws Exception {
GXStringUtil gx = new GXStringUtil();
boolean result = false ;
File dirFile = null ;
try {
dirFile = new File(path);
if ( ! (dirFile.exists()) && ! (dirFile.isDirectory())) {
boolean creadok = dirFile.mkdirs();
if (creadok) {
System.out.println( " ok:创建文件夹成功！ " );
} else {
System.out.println( " err:创建文件夹失败！ " );
}
}
} catch (Exception e) {
e.printStackTrace();
System.out.println(e);
return false ;
}
if (file != null && ! file.isEmpty()) {
String fullPath = path + System.getProperty( " file.separator " )
+ gx.netStringToGBK(file.getOriginalFilename());
DataOutputStream out = null ;
InputStream is = null ;
try {
out = new DataOutputStream( new FileOutputStream(fullPath));
is = file.getInputStream();
byte [] buffer = new byte [ 1024 ];
while (is.read(buffer) > 0 ) {
out.write(buffer);
}
} finally {
if (is != null ) {
is.close();
}
if (out != null ) {
out.close();
}
}
result = true ;
}
return result;
}

public boolean delete(String path, MultipartFile file) throws Exception {
GXStringUtil gx = new GXStringUtil();
boolean result = false ;
if (file != null && ! file.isEmpty()) {
String fullPath = path + System.getProperty( " file.separator " )
+ gx.netStringToGBK(file.getOriginalFilename());
try {
File file2 = new File(fullPath);
file2.delete();
result = true ;
} catch (Exception e) {
e.printStackTrace();
result = false ;
}
}
return result;
}

public boolean deleteFolder(File folder) {
boolean result = false ;
try {
String childs[] = folder.list();
if (childs == null || childs.length <= 0 ) {
if (folder.delete()) {
result = true ;
}
} else {
for ( int i = 0 ; i < childs.length; i ++ ) {
String childName = childs[i];
String childPath =
folder.getPath() + File.separator + childName;
File filePath = new File(childPath);
if (filePath.exists() && filePath.isFile()) {
if (filePath.delete()) {
result = true ;
} else {
result = false ;
break ;
}
}
else if (filePath.exists() && filePath.isDirectory()) {
if (deleteFolder(filePath)) {
result = true ;
} else {
result = false ;
break ;
}
}
}
}

folder.delete();
} catch (Exception e) {
e.printStackTrace();
result = false ;
}
return result;
}
}

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