JSP插入数据库乱码有关问题好严重阿,

JSP插入数据库乱码问题好严重阿,急啊
Address   =   request.getParameter( "address ").trim().toString();//接收地址参数

Address   =   new   String(Address.getBytes( "iso-8859-1 "),   "gbk ");
我使用了这个语句后插入数据库还是乱码

------解决方案--------------------
Address = new String(Address.getBytes( "iso-8859-1 "), "gbk ");
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这一句是不是用反了