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| package args.java.file;
import java.io.BufferedReader; import java.io.BufferedWriter; 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;
public class ConvertProjectEncode {
public static void convertDirEncode(File dirFile, String fromCharset, String toCharset) { File[] dirFileList = dirFile.listFiles(); for (int i = 0; i < dirFileList.length; i++) { if (dirFileList[i].isDirectory()) { convertDirEncode(dirFileList[i], fromCharset, toCharset); } else if (dirFileList[i].isFile()) { convertFileEncode(dirFileList[i], fromCharset, toCharset); } } }
public static void convertFileEncode(File file, String fromCharset, String toCharset) { File tempFile = createTempFile(file); copyToTempFileByNewEncode(file, fromCharset, tempFile, toCharset); if (file.delete() && tempFile.renameTo(file)) { System.out.println("文件:" + file + "由 " + fromCharset + " 转为 " + toCharset + " 成功!"); } }
public static void copyToTempFileByNewEncode(File file, String fromCharset, File tempFile, String toCharset) { char[] cbuf = new char[1024]; try (BufferedReader reader = new BufferedReader( new InputStreamReader(new FileInputStream(file), fromCharset));
BufferedWriter writer = new BufferedWriter( new OutputStreamWriter(new FileOutputStream(tempFile), toCharset));) {
int size = -1; while ((size = reader.read(cbuf)) != -1) { writer.write(cbuf, 0, size); }
} catch (UnsupportedEncodingException e) { e.printStackTrace(); } catch (FileNotFoundException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } }
private static File createTempFile(File file) { String fileName = file.getName(); int lastIndexOfDot = fileName.lastIndexOf("."); String tempFileName = fileName.substring(0, lastIndexOfDot) + "_Temp" + fileName.substring(lastIndexOfDot); File tempFile = new File(file.getParent(), tempFileName); return tempFile; }
public static void gbkToUtf8(File file) { if (file.isDirectory()) { convertDirEncode(file, "gbk", "utf-8"); } else if (file.isFile()) { convertFileEncode(file, "gbk", "utf-8"); } }
public static void utf8ToGbk(File file) { if (file.isDirectory()) { convertDirEncode(file, "utf-8", "gbk"); } else if (file.isFile()) { convertFileEncode(file, "utf-8", "gbk"); } } public static void main(String[] args) { File file = new File("G:\\Desktop\\测试编码转换\\"); utf8ToGbk(file); }
}
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