/**
 * UnicodeUtil处理工具类
 * @author yun
 *
 */
public class UnicodeUtil {
  /**
   * 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 test = "字符串";
      String unicode = string2Unicode(test);  
      String string = unicode2String(unicode) ;
      System.out.println(unicode);
      System.out.println(string);
      
  }
  
  
  
}