求gb2312转换为utf－8的一段代码

Question

String newStr = new String(oldStr.getBytes("gb2312","utf-8"));

Answer 1

/**
     * 对中文进行UTF-8编码
     * @param s
     * @return
     */
    public static String getUtf8Str(String s){
        String ret="null";
        try {
            ret=java.net.URLEncoder.encode(s, "utf-8");
        } catch (UnsupportedEncodingException ex) {
        }
        return ret;
    }