package file;

import java.io.BufferedOutputStream;

import java.io.File;

import java.io.FileInputStream;

import java.io.FileNotFoundException;

import java.io.FileOutputStream;

import java.io.IOException;

import java.io.OutputStreamWriter;

import java.io.UnsupportedEncodingException;

/**

* 可用来批量转换代码的编码.并保持文件段落及缩进

* @author Justin

*

*/

public class FileList {

//获取某个目录下面的所有文件

public File[] getFileDir(String dir) {

File dataDir = new File(dir);

File[] dataFiles = dataDir.listFiles();

return dataFiles;

}

public boolean getFileList(String dir) {

boolean isSucc = false;

File dataDir = new File(dir);

File[] dataFiles = dataDir.listFiles();

try {

for (int i = 0; i < dataFiles.length; i++) {

//如果是目录则递归调用此方法.继续检索

if (dataFiles[i].isDirectory()) {

getFileList(dataFiles[i].getCanonicalPath());

} else {

//文件过滤,如无需此项注释此处即可

if (dataFiles[i].isFile()

&& (dataFiles[i].getName().endsWith(".jsp")

|| dataFiles[i].getName().endsWith(".html") || dataFiles[i]

.getName().endsWith(".htm"))

|| dataFiles[i].getName().endsWith(".js")

|| dataFiles[i].getName().endsWith(".java")) {

writeFile(dataFiles[i].getAbsolutePath(),

dataFiles[i].getAbsolutePath()

.substring(

2,

dataFiles[i].getAbsolutePath()

.length()));

}

}

}

} catch (IOException e) {

e.printStackTrace();

}

return isSucc;

}

//以默认编码读取文件内容.并以字条串返回

private String readFile(String templet) {

String templetContent = "";

try {

FileInputStream fileinputstream = new FileInputStream(templet);

int length = fileinputstream.available();

byte bytes[] = new byte[length];

fileinputstream.read(bytes);

fileinputstream.close();

templetContent = new String(bytes);

} catch (FileNotFoundException e) {

e.printStackTrace();

} catch (IOException e) {

e.printStackTrace();

}

return templetContent;

}

// 以UTF-8读取文件内容.并以字条串返回

private String readFileUTF_8(String templet) {

String templetContent = "";

try {

FileInputStream fileinputstream = new FileInputStream(templet);

int length = fileinputstream.available();

byte bytes[] = new byte[length];

fileinputstream.read(bytes);

fileinputstream.close();

templetContent = new String(bytes, "UTF-8");

} catch (FileNotFoundException e) {

e.printStackTrace();

} catch (IOException e) {

e.printStackTrace();

}

return templetContent;

}

//在新文件夹建立相同的目录结构

private void makeDir(String path) {

File fileStr = new File(path);

File file = new File(fileStr.getParent());

if (!file.exists()) {

file.mkdirs();

}

}

public boolean writeFile(String realPath, String fileName) {

boolean isSucc = false;

String templet = realPath;

String newFile = "D:/NewFiles/"

+ fileName.substring(1, fileName.length());

makeDir(newFile);

String templateContent = "";

//读取文件内容.如需以UTF-8读取.换成readFileUTF_8(filePath)即可

templateContent = readFile(templet);

//如果是网页或其它注明了编码的文件.用此方法替换

templateContent = templateContent.replaceAll("gb2312", "UTF-8");

templateContent = templateContent.replaceAll("gbk", "UTF-8");

/*

templateContent = templateContent.replaceAll("UTF-8", "GBK");

templateContent = templateContent.replaceAll("utf-8", "GBK");*/

//templateContent = templateContent.replaceAll("GB2312", "UTF-8");

//templateContent = templateContent.replaceAll("gbk", "UTF-8");

//System.out.println("输出:" + templateContent);

isSucc = writeNewFile(newFile, templateContent);

System.out.println("输出:" + newFile);

return isSucc;

}

/**

* 以UTF-8形式写新文件

* @param newFile

* @param templetContent

* @return

*/

private boolean writeNewFile(String newFile, String templetContent) {

boolean isSucc = false;

try {

FileOutputStream fout = new FileOutputStream(newFile);

OutputStreamWriter out = new OutputStreamWriter(

new BufferedOutputStream(fout), "UTF-8");

out.write(templetContent);

out.close();

fout.close();

isSucc = true;

} catch (FileNotFoundException e) {

e.printStackTrace();

} catch (UnsupportedEncodingException e) {

e.printStackTrace();

} catch (IOException e) {

e.printStackTrace();

}

return isSucc;

}

/**

* @param args

*/

public static void main(String[] args) {

FileList fl = new FileList();

fl.getFileList("D:\\speciality");

}

}

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本文标题：JAVA批量转换文件编码，责任编辑：宏鹏，来源：武汉北大青鸟鲁广校区栏目，于2013-01-24 09:58:30发布于北大青鸟鲁广校区。可用来批量转换代码的编码.并保持文件段落及缩进，如果是目录则递归调用此方法.继续检索，以默认编码读取文件内容.并以字条串返回。