直接上代码
import java.io.BufferedInputStream;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.io.UnsupportedEncodingException;
import java.io.Writer;
import java.util.ArrayList;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
/**
* 解决打包编码问题
*
* 〈功能详细描述〉
*
* @author 曹亚
* @see [相关类/方法]（可选）
* @since [产品/模块版本] （可选）
*/
public class Test {
static String CODE = "UTF-8";
static String FILE_SUFFIX = ".java";//文件扩展名
// static String FILE_SUFFIX = ".css";
// static String FILE_SUFFIX = ".js";
// static String FILE_SUFFIX = ".htm";
static String srcDir = "D:\\code\\caifuzixun\\sncf_web\\src";//文件所在目录
/**
*
* @param args
* @throws Exception
*/
public static void main(String[] args) throws Exception {
List<String> files = new ArrayList<String>();
fetchFileList(srcDir, files, FILE_SUFFIX);
String filecode = "";
for (String fileName : files) {
filecode = codeString(fileName);
if (!filecode.equals(CODE)) {
convert(fileName, filecode, fileName, CODE);
}
}
}
public static void convert(String oldFile, String oldCharset,
String newFlie, String newCharset) {
BufferedReader bin;
FileOutputStream fos;
StringBuffer content = new StringBuffer();
try {
System.out.println("the old file is :"+oldFile);
System.out.println("The oldCharset is : "+oldCharset);
bin = new BufferedReader(new InputStreamReader(new FileInputStream(
oldFile), oldCharset));
String line = null;
while ((line = bin.readLine()) != null) {
// System.out.println("content:" + content);
content.append(line);
content.append(System.getProperty("line.separator"));
}
bin.close();
File dir = new File(newFlie.substring(0, newFlie.lastIndexOf("\\")));
if (!dir.exists()) {
dir.mkdirs();
}
fos = new FileOutputStream(newFlie);
Writer out = new OutputStreamWriter(fos, newCharset);
out.write(content.toString());
out.close();
fos.close();
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
public static void fetchFileList(String strPath, List<String> filelist,
final String regex) {
File dir = new File(strPath);
File[] files = dir.listFiles();
Pattern p = Pattern.compile(regex);
if (files == null)
return;
for (int i = 0; i < files.length; i++) {
if (files[i].isDirectory()) {
fetchFileList(files[i].getAbsolutePath(), filelist, regex);
} else {
String strFileName = files[i].getAbsolutePath().toLowerCase();
Matcher m = p.matcher(strFileName);
if (m.find()) {
filelist.add(strFileName);
}
}
}
}
/**
* 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(String 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";
}
return code;
}
}
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