eclipse将整个工程转为utf-8时原先中文注释会变为乱码,13年时写了个脚本将整个文件的java以及配置文件转为utf-8格式,下面是代码
package com.code.pd;
import java.io.BufferedInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.nio.charset.Charset;
import org.apache.commons.io.IOUtils;
/**
*
*
*
* @author lipeng
* @since 1.0
* @version 2013-10-24 lipeng
*/
public class GbkToUtf {
/**
* @param args
*/
public static void main(String[] args) {
GbkToUtf.readfile("D:\\workspace\\JavaUtils\\src\\com\\code\\common");
}
public static void readfile(String filePath) {
try {
File file = new File(filePath);
if (!file.isDirectory()) {
transferCharset(file);
} else if (file.isDirectory()) {
System.out.println("文件夹");
String[] filelist = file.list();
for (int i = 0; i < filelist.length; i++) {
File readfile = new File(filePath + "\\" + filelist[i]);
if (!readfile.isDirectory()) {
transferCharset(readfile);
} else if (readfile.isDirectory()) {
if(!"excel,jdbc,nosql,spring".contains( filelist[i])){
readfile(filePath + "\\" + filelist[i]);
}
}
}
}
} catch (Exception e) {
e.printStackTrace();
}
}
public static void transferCharset(File file){
try {
String charset=codeString(file);
if("GBK".equals(codeString(file))){
System.out.println(file.getAbsolutePath()+"------------"+charset);
String content = getFileContentWithCharsetName(file, "GBK");
saveFileWithCharsetName(file, "UTF-8", content);
}
} catch (Exception e) {
e.printStackTrace();
}
}
public static void saveFileWithCharsetName(File file, String charsetName, String content)
throws Exception {
FileOutputStream fileOut = new FileOutputStream(file);
// CharsetDecoder
OutputStreamWriter outWrite = new OutputStreamWriter(fileOut, Charset.forName(charsetName));
outWrite.write(content);
outWrite.close();
}
/**
* 判断文件的编码格式
* @param fileName :file
* @return 文件编码格式
* @throws Exception
*/
public static String codeString(File fileName) throws Exception{
BufferedInputStream bin = new BufferedInputStream(
new FileInputStream(fileName));
int p = (bin.read() << 8) + bin.read();
String code = null;
switch (p) {
case 0xefbb:
code = "UTF-8";
break;
case 0xfffe:
code = "Unicode";
break;
case 0xfeff:
code = "UTF-16BE";
break;
default:
code = "GBK";
}
IOUtils.closeQuietly(bin);
return code;
}
public static String getFileContentWithCharsetName(File file, String charsetName)
throws Exception {
FileInputStream fileIn = new FileInputStream(file);
// CharsetDecoder
InputStreamReader inRead = new InputStreamReader(fileIn, Charset.forName(charsetName));
int size = (int) (file.length());
char[] chs = new char[size];
inRead.read(chs);
String str = new String(chs).trim();
inRead.close();
return str;
}
}