unicode和中文互转

public class Test {

 
//Unicode转中文方法
private static String unicodeToCn(String unicode) {
    String[] strs = unicode.split("\\\\u");
    String returnStr = "";
    for (int i = 1; i < strs.length; i++) {
        if(strs[i].length() > 4) {
            returnStr += (char) Integer.valueOf(strs[i].substring(0,4), 16).intValue();
            System.out.println(strs[i]);
            returnStr += strs[i].substring(4);
        }else {
             returnStr += (char) Integer.valueOf(strs[i], 16).intValue();
        }
       
    }
    return returnStr;
}

//中文转Unicode
private static String cnToUnicode(String cn) {
    char[] chars = cn.toCharArray();
    String returnStr = "";
    for (int i = 0; i < chars.length; i++) {
        returnStr += "\\u" + Integer.toString(chars[i], 16);
    }
    return returnStr;
}
//测试
public static void main(String[] args) {
    //Unicode码
    String aa = "\\u672A\\u53D1\\u73B0\\u4F1A\\u8BDD\\u8BB0\\u5F55\\uFF0CSSO\\u767B\\u5F55\\u5931\\u8D25\\uFF01";
    //转中文
    String cnAa = unicodeToCn(aa);
    System.out.println("Unicode转中文结果： "+cnAa);//转Unicode
    String unicodeAa = cnToUnicode(cnAa);
    System.out.println("中文转Unicode结果： "+unicodeAa);
}

}