java文本编码：GBK转UTF8，UTF-8 BOM去除，utf8bom,没啥技术含量 不过还有点

java文本编码：GBK转UTF8，UTF-8 BOM去除，utf8bom,没啥技术含量 不过还有点

没啥技术含量 不过还有点用 后面加一个UTF-8 BOM 去除吧

[Java]代码

private static void convert(File file) {        if (file.isDirectory()) {            File[] ch = file.listFiles();            for (int i = 0; i < ch.length; i++) {                convert(ch[i]);            }        } else {            if (file.getName().endsWith("jsp")) {                try {                    String s = FileUtils.readFileToString(file, "GBK");                    System.out.println("convert " + file.getPath());                    FileUtils.writeStringToFile(file, s, "UTF-8");                } catch (IOException e) {                    // TODO Auto-generated catch block                    e.printStackTrace();                }            }        }    }

[Java]代码

 /**     *     * @param resultFileName     */    public static Set getFileNamesFromCompileResult(String resultFileName)            throws IOException {        Set<String> set = new HashSet();        BufferedReader reader = new BufferedReader(new FileReader(                resultFileName));        String start = "[javac] ";        int startLen = start.length();        String end = ".java:";        int endLen = end.length();        String errMsg = "\\65279";        while (reader.ready()) {            String line = reader.readLine();            int indexStart = line.indexOf(start);            if (line.indexOf(errMsg) == -1) {                continue;            }            if (indexStart != -1) {                int indexEnd = line.indexOf(end);                if (indexEnd != -1) {                    String name = line.substring(indexStart + startLen,                            indexEnd + endLen - 1);                    set.add(name.trim());                }            }        }        return set;    }    public static void DealSrcFiles(String path) {        if (path.charAt(path.length() - 1) != '\\') {            path += '\\';        }        File file = new File(path);        if (!file.exists()) {            System.out.println("Error: Path not Existed! Please Check it out!");            return;        }        String[] filelist = file.list();        for (int i = 0; i < filelist.length; i++) {            File temp = new File(path + filelist[i]);            if ((temp.isDirectory() && !temp.isHidden() && temp.exists())) {                DealSrcFiles(path + filelist[i]);            } else {                if (filelist[i].endsWith(".java")) {                    try {                        trimBom(path + filelist[i]);                    } catch (Exception eee) {                    }                }            }        }    }    /**     * 读取流中前面的字符，看是否有bom，如果有bom，将bom头先读掉丢弃     *     * @param in     * @return     * @throws java.io.IOException     */    public static InputStream getInputStream(InputStream in) throws IOException {        PushbackInputStream testin = new PushbackInputStream(in);        int ch = testin.read();        if (ch != 0xEF) {            testin.unread(ch);        } else if ((ch = testin.read()) != 0xBB) {            testin.unread(ch);            testin.unread(0xef);        } else if ((ch = testin.read()) != 0xBF) {            throw new IOException("错误的UTF-8格式文件");        } else {// 不需要做，这里是bom头被读完了// // System.out.println("still exist bom");        }        return testin;    }    /**     * 根据一个文件名，读取完文件，干掉bom头。     *     * @param fileName     * @throws java.io.IOException     */    public static void trimBom(String fileName) throws IOException {        FileInputStream fin = new FileInputStream(fileName);// 开始写临时文件        InputStream in = getInputStream(fin);        ByteArrayOutputStream bos = new ByteArrayOutputStream();        byte b[] = new byte[4096];        int len = 0;        while (in.available() > 0) {            len = in.read(b, 0, 4096);//            out.write(b, 0, len);            bos.write(b, 0, len);        }        in.close();        fin.close();        bos.close();// 临时文件写完，开始将临时文件写回本文件。        System.out.println("[" + fileName + "]");        FileOutputStream out = new FileOutputStream(fileName);        out.write(bos.toByteArray());        out.close();        System.out.println("处理文件" + fileName);    }    /**     * 根据ant编译错误来去除bom     *     * @param resultFile     * @throws java.io.IOException     */    static void trimBomByCompileResult(String resultFile) throws IOException {        Set<String> set = getFileNamesFromCompileResult(resultFile);        for (String fName : set) {            trimBom(fName);        }    }    public static void main(String[] args) throws IOException {        DealSrcFiles("D:/ttt/p");    }