老鸟进，问个字符集转码的问题

Question

如何将这个以下字符串(unicode字符集)
String string = "\\" + "u97e9" + "\\" + "u56fd";
转换成对应的中文显示(utf-8字符集)？求解！

Answer 1

u97e9
==>
String str = "\\" + "u97e9" + "\\" + "u56fd"; 
new String(str.getBytes("UTF-8"));

Answer 2

byte[] b = new byte[] {(byte)'\u97e9',(byte)'\u56fd'};
     System.out.println(new String(b));

Answer 3

直接计算 String  str="97e956fd";  
        StringBuffer  sb=new  StringBuffer();  
        for(int i=0;i<str.length()/4;i++)  
        {  
                int  j=Integer.parseInt(str.substring(i*4,i*4+4),16);  
                sb.append((char)j);  
        }  
        System.out.println(sb);

Answer 4

答：参考代码如下： public static String convertUTF8(String utfString) throws UnsupportedEncodingException
    {
              StringBuilder sb = new StringBuilder();
              int i=-1;
              int pos=0;
              while((i=utfString.indexOf("\\u",pos))!=-1)
              {
                  sb.append(utfString.substring(pos,i));
                  if(i+5<utfString.length())
                  { 
                      pos=i+6;
                      sb.append((char)Integer.parseInt(utfString.substring(i+2,i+6),16));
                  }//if
              }//while
              String s= sb.toString();
              return new String(s.getBytes("UTF-8"));
    }
//用法：String str = "\\" + "u97e9aa" + "\\" + "u56fdbb";  
//String utf8str=convertUTF8(str);

Answer 5

答：另外见贴：http://topic.csdn.net/u/20080424/19/c2fce6b0-29ce-4771-a779-acf9d8e75cd3.html

Answer 6

答：对不起。代码漏了一句。补上：public static String convertUTF8(String utfString) throws UnsupportedEncodingException
    {
              StringBuilder sb = new StringBuilder();
              int i=-1;
              int pos=0;
              while((i=utfString.indexOf("\\u",pos))!=-1)
              {
                  sb.append(utfString.substring(pos,i));
                  if(i+5<utfString.length())
                  { 
                      pos=i+6;
                      sb.append((char)Integer.parseInt(utfString.substring(i+2,i+6),16));
                  }//if
              }//while
              sb.append(utfString.substring(pos));
             String s=sb.toString();
             return new String(s.getBytes("UTF-8"));
    }用法：     String str = "aa\\" + "u97e9aabb" + "\\" + "u56fdcc";  
  String utf8str=convertUTF8(str);

Answer 7

String str = "\\" + "u97e9" + "\\" + "u56fd"; 
java.util.regex.Pattern p = java.util.regex.Pattern.compile("\\\\u(\\w{4})");
java.util.regex.Matcher m = p.matcher(str);
while(m.find())
System.out.println((char)Integer.valueOf(m.group(1), 16).intValue());
怎么是“韩国”啊……