是使用哪种语言、utf-8是哪种格式的~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
String str = "任意字符串";str = new String(str.getBytes("gbk"),"utf-8");备注说明：str.getBytes("UTF-8"); 的意思是以UTF-8的编码取得字节new String(XXX,"UTF-8"); 的意思是以UTF-8的编码生成字符串
