将\u之类的unicode字符变成gb2312字符的方法
import java.io.IOException;
import java.io.UnsupportedEncodingException;
public class ConvertUnicode {
public static void main(String arg[]) throws IOException{
String str1 = "\u6237\u767B";
String str2 = new String(str1.getBytes("GB2312"));
System.out.println(str2);
}
}