jar文件如何从utf-8转ansi?

发布网友发布时间：2022-05-17 13:52

共1个回答

热心网友时间：2022-05-29 16:18

功能：转换ANSI【JAVA中GBK编码】编码的.java源文件为UTF-8格式，未处理异常，运行前确认目录存在，且原编码格式为ANSI
*
* @author bwgang
*/
package bwgang;

import java.io.*;
import java.util.Vector;

public class AnsiToUtf8 {

public static void main(String[] args) throws UnsupportedEncodingException, IOException {

ReadFileName tmp=new ReadFileName();
Vector<String> vec=tmp.FileNameOftype("E:\\workspace\\Interface_JAVA\\src", ".java");

for (int i=0;i<vec.size(); i++){
System.out.println(vec.get(i));
change(vec.get(i));
}

}

public static void change(String filepath) throws UnsupportedEncodingException, IOException{
BufferedReader buf = null;
OutputStreamWriter pw=null;
String str = null;
String allstr="";

//用于输入换行符的字节码
byte[] c=new byte[2];
c[0]=0x0d;
c[1]=0x0a;
String t=new String(c);

buf=new BufferedReader(new InputStreamReader(new FileInputStream(filepath), "GBK"));
while((str = buf.readLine()) != null){
allstr=allstr+str+t;
}

buf.close();

pw =new OutputStreamWriter(new FileOutputStream(filepath),"UTF-8");
pw.write(allstr);
pw.close();
}

}

class ReadFileName {

//存储遍历获取的所有文件名
private Vector<String> filelist = new Vector<String>();

//遍历指定路径下的所有文件
//以ArrayList存储于filelist中
private void RefreshFileList(String strpath) {
File dir = new File(strpath);
File[] files = dir.listFiles();

if (files == null)
return;
for (int i = 0; i < files.length; i++) {
if (files[i].isDirectory()) {
RefreshFileList(files[i].getAbsolutePath());
} else {
//String strFileName = files[i].getAbsolutePath().toLowerCase();
filelist.add(files[i].getAbsolutePath());
}
}
}

//过滤当前目录下的指定后缀名的文件
//返回Vector
public Vector<String> FileNameOftype(String strpath2,String filetype){
String strfilename=new String();
Vector<String> filelistofjava= new Vector<String>();

//读取指定路径下的所有文件
RefreshFileList(strpath2);

for (int i = 0; i < filelist.size(); i++) {
strfilename=filelist.get(i).toString();
strfilename=strfilename.substring(strfilename.length()-5, strfilename.length());

if (strfilename.equals(filetype)) {
filelistofjava.add(filelist.get(i));
}
}
return filelistofjava;
}

}