AngularJS发送异步Get/Post请求
1 . 在页面中加入AngularJS并为页面绑定ng-app 和 ng-controller
<body ng-app="MyApp" ng-controller="MyCtrl" >
...
<script src="js/angular.min.js"></script>
<script src="js/sbt.js"></script>
2 . 添加必要的控件并绑定相应的事件
get:<input type="text" ng-model="param">{{param}} <br> post: <input type="text" ng-model="user.name"><input type="text" ng-model="user.password"><br> <button ng-click="get()">Get</button> <button ng-click="post()">Post</button>
3 . 在JS脚本中发送进行Get/Post请求
- get
$scope.get = function () {
$http.get("/get",{params: {param: $scope.param}})
.success(function (data,header,config,status) {
console.log(data);
})
.error(function (data,status) {
console.log(data);
})
;
}
- post
$scope.post = function () {
$http.post("/post",$scope.user)
.success(function (data,status) {
console.log(data);
})
;
}
4 . 由Controller处理请求并返回结果
- get
@RequestMapping("/get")
@ResponseBody
public Map<String,String> get(String param) {
System.out.println("param："+param);
response.put("state","success");//将数据放在Map对象中
return response;
}
- post
@RequestMapping("/post2")
@ResponseBody
public void post2(@RequestBody User user,HttpServletResponse resp) {
//返回不同的http状态
if(user.getName()!=null&&!user.getName().equals("")){
resp.setStatus(200);
}
else{
resp.setStatus(300);
}
}
5 . 由JS http请求的回调函数处理并执行下一步操作
- HTML
<!DOCTYPE html>
<html lang="en">
<head>
<Meta charset="UTF-8">
<title>Request</title>
</head>
<body ng-app="MyApp" ng-controller="MyCtrl" >
get:<input type="text" ng-model="param"><br>
post: <input type="text" ng-model="user.name"><input type="text" ng-model="user.password"><br>
<button ng-click="get()">Get</button>
<button ng-click="post()">Post</button>
</body>
<script src="js/angular.min.js"></script>
<script src="js/sbt.js"></script>
</html>
- sbt.js
var app = angular.module("MyApp",[]);
app.controller("MyCtrl",function ($scope,$http) {
$scope.get = function () {
$http.get("/get",status) {
console.log(data);
})
.error(function (response) {
console.log(response);
})
;
}
$scope.post = function () {
$http.post("/post",status) {
console.log(data);
})
;
}
});
