jsp response.getWriter().write(json) 传 ajax json

System.out.println(reString.toString());

JSONObject
jo=new JSONObject();

jo.put("level",
"警告");

jo.put("msg",
"1");

System.out.println(jo.toString());

response.setCharacterEncoding("UTF-8");

response.getWriter().write(jo.toString());

jQuery.post(url,{},
function(data) {

alert(data);

var
aa=("(" + data + ")")

alert(aa.level);

JQuery为Input输入框赋值

$("#name").val("lee");
或者
$("#name").attr("value","lee");