system.out.println(new string(str.getbytes("gbk"),"iso8859_1"));
system.out.println(new string(str.getbytes("gbk"),"utf-8"));
system.out.println(new string(str.getbytes("gbk"),"gb2312"));
system.out.println(new string(str.getbytes("gbk"),"gbk"));
system.out.println(new string(str.getbytes("iso8859_1"),"gbk"));
system.out.println(new string(str.getbytes("iso8859_1"),"iso8859_1"));
system.out.println(new string(str.getbytes("iso8859_1"),"gb2312"));
system.out.println(new string(str.getbytes("iso8859_1"),"utf-8"));
system.out.println(new string(str.getbytes("utf-8"),"gbk"));
system.out.println(new string(str.getbytes("utf-8"),"utf-8"));
system.out.println(new string(str.getbytes("utf-8"),"gb2312"));
system.out.println(new string(str.getbytes("utf-8"),"iso8859_1"));
system.out.println(new string(str.getbytes("gb2312"),"gb2312"));
system.out.println(new string(str.getbytes("gb2312"),"iso8859_1"));
system.out.println(new string(str.getbytes("gb2312"),"utf-8"));
system.out.println(new string(str.getbytes("gb2312"),"gbk"));