package com.szpg.util;

import org.apache.commons.lang3.StringUtils;

public class UnicodeConvertor {

	public static String string2Unicode(String string) {
		if (StringUtils.isEmpty(string) == true) {
			return "";
		}
		
		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();
	}

	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();
	}

}