ajax get 传中文

var path = document.getElementById("photopath").value;
url="save_picture.jsp?photopath="+encodeURIComponent(path);
//...ajax send use get's method

jsp

String path = new String(path.getBytes("ISO-8859-1"),"UTF-8");

也可用于页面get方法传参时不想让人明显看到内容时