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[英]415 Unsupported Media Type when I send json to spring controller
[英]Unsupported Media Type error in browser console when sending json using angularjs to spring controller
这是我的控制器功能
@RequestMapping(value = "/logInChecker", method = RequestMethod.POST, consumes = {"application/json"})
public @ResponseBody String logInCheckerFn(@RequestBody UserLogData userLogData){
Integer userAuthFlag = goAnalyserModel.checkUserAuth(userLogData);
return userAuthFlag.toString();
}
我的豆类
公共类UserLogData {
private String userName;
private String password;
public String getUserName() {
return userName;
}
public void setUserName(String userName) {
this.userName = userName;
}
public String getPassword() {
return password;
}
public void setPassword(String password) {
this.password = password;
}
}
我的带有angularjs函数的html文件
<!DOCTYPE html>
<html lang="en" ng-app="nameAppIndexPage">
<head>
<meta charset="utf-8">
<title>Go Analyser - Login</title>
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta name="description" content="">
<meta name="author" content="">
<!-- Le styles -->
<link href="assets/css/bootstrap.css" rel="stylesheet">
<style type="text/css">
body {
padding-top: 60px;
padding-bottom: 40px;
}
</style>
<link href="assets/css/bootstrap-responsive.css" rel="stylesheet">
</head>
<body ng-controller="nameController">
<div class="navbar navbar-inverse navbar-fixed-top">
<div class="navbar-inner">
<div class="container">
<a class="brand" href="#">Go Analyser</a>
</div>
</div>
</div>
<div class="container">
<!-- Example row of columns -->
<div class="row">
<div class=" margin_alignment"></div>
<div class="span4"></div>
<div class="span4">
<form class="form-signin">
<label for="exampleInputEmail1">Email address</label>
<input type="text" class="input-block-level" placeholder="Email address" ng-model="userName">
<label for="exampleInputPassword1">Password</label>
<input type="password" class="input-block-level" placeholder="Password" ng-model="password">
<!-- <center><button class="btn btn-large" type="submit">Login</button></center>-->
<button type="submit" ng-click='checkLogin()'>login</button>
</form>
</div>
<div class="span4"></div>
</div>
<div class="hr_space"></div>
<footer>
</footer>
</div>
<script src="assets/js/jquery.js"></script>
<script src="assets/js/angular.js"></script>
<script>
var myApp = angular.module('nameAppIndexPage',[]);
myApp.controller('nameController',function($http,$scope){
$scope.checkLogin = function(){
alert("inside checklogin()");
var userName = $scope.userName;
var password = $scope.password;
var dataToSend = {
"userName" : userName,
"password" : password
};
console.log(dataToSend);
alert("after data to send");
$http.post('logInChecker',dataToSend).success(function(data){
if(data == 1){
alert("inside loginSuccess");
}else{
alert("username and password mismatch");
//write function to show incorrect password
}
}).error(function(data){
alert("error in post" + JSON.stringify({data: data}));
});
}
});
</script>
</body>
</html>
我在浏览器控制台中不断收到不受支持的媒体错误。 angularjs函数未将请求传递到spring控制器。 但是一切似乎都很好。
当无法将请求转换为Java对象或无法将Java对象转换为响应时,将发生此消息。
正如您所解释的,您有前一种情况。 您应该检查的几件事:
检查servlet配置中是否具有<mvc:annotation-driven />
检查您的类路径上是否具有杰克逊依赖项,对于spring 4.x,您应该具有jackson 2.x版本,对于spring 3.x,您应该使用jackson 1.9
为了确保您的回复也得到了正确的转换,除了具有适当的依赖关系之外,您还应确保
application/json
发送给Accept头,或者您的处理程序方法的RequestMapping批注的属性为produces = {"application/json"}
将@JsonProperty(“ **”)(**属性名称)添加到您的bean类中。 检入浏览器的JSON帖子消息的开发人员工具类型。
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