Js端:
$(document).ready(function() {
$("#bt").click(function() {
//1.封装json数据
var ajson = '{"username":"wupeng","password":"123123"}';
//2.发送json数据
$.ajax({
type : "post",
url : "ajax",
data : {
"json" : ajson
},
dataType : "json",
success : function(msg) {
var a = msg;
alert("收到" + a.username + a.password);
}
});
});
});
Servlet端
//1.设置用户的响应格式
resp.setCharacterEncoding("utf-8");
/*************************************/
String json = req.getParameter("json");
System.out.println(json);
JSONObject jsonObject = null;
try {
jsonObject = JSONObject.fromObject(json);
jsonObject.getString("username");
} catch (Exception e) {
e.printStackTrace();
};
System.out.println("jsonObject :" + jsonObject);
PrintWriter out = resp.getWriter();
out.print(jsonObject);
out.flush();
out.close();
