package com.key.common.utils;

/**
 * Created by keyuan on 17/7/26.
 */
public class StringUtils {
    /**
     * 字符串转换unicode
     */
    public static String string2Unicode(String string) {

        StringBuffer unicode = new StringBuffer();

        for (int i = 0; i < string.length(); i++) {

            // 取出每一个字符
            char c = string.charAt(i);

            // 转换为unicode
            unicode.append("\\u" + Integer.toHexString(c));
        }

        return unicode.toString();
    }


    /**
     * unicode 转字符串
     */
    public static String unicode2String(String unicode) {

        StringBuffer string = new StringBuffer();

        String[] hex = unicode.split("\\\\u");

        for (int i = 1; i < hex.length; i++) {

            // 转换出每一个代码点
            int data = Integer.parseInt(hex[i], 16);

            // 追加成string
            string.append((char) data);
        }

        return string.toString();
    }

    public static void main(String[] args){
        String uni = string2Unicode("转换出每232-22一个icp-223代码点");
        System.out.println(uni);
        System.out.println(unicode2String(uni));
    }
}
