JS的Ajax與后端交互數據的實例

$.ajax({
 type: "post",
 url: "http://localhost:8080/ccnb/user/login",
 data: {
 "telephone": login_name,
 "password": login_password
 },
 dataType: "json",
// contentType:'application/json',
 success: function (data) {
 alert(data.Flag);
 alert(data.Msg);
 
 }
 
 },
 error: function (XMLHttpRequest, textStatus, errorThrown) {
 alert(XMLHttpRequest.status);
 alert(XMLHttpRequest.readyState);
 alert(textStatus);
 },
 });