jquery asynchronous request example code_jquery

1. Use ajax

The jsp code is as follows:

Copy the code The code is as follows:

$.ajax({
type:"get",
dataType:"json",
url:"<%=basePath%>actionSmUser.do?method =getUserMsgByUserId",
data:"userId=" userId,
success:function(msg){
var data = eval("(" msg.responseText ")");
alert($ ("#userName").val());
$("#userName").val(data[0].userName);

}
});

2. Use getJSON method:

Copy the code The code is as follows:

$.getJSON(url,function(data){
if(data!=null && data!=""){
$("#userIdInput").val(data[0] .userId);
$("#userNameInput").val(data[0].userName);
$("#menusIdInput").val(data[0].menusId);
$ ("#depIdInput").val(data[0].depId);
$("#isValidInput").val(data[0].isValid);
$("#userIdInput").attr ("disabled",true);
}

});

The organization form of the string returned by the two Actions can be in the form of JSONArray array, returning an array. toJSONString();