[英]Spring Rest Controller POST request doesn't work
我有一個休息控制器:
@RestController
@RequestMapping("/query")
public class QueryController {
@Autowired
private QueryService queryService;
@RequestMapping(value = "/select", method = RequestMethod.POST)
public @ResponseBody QueryResultDTO executeQuery(@RequestBody QueryDTO queryDTO) {
try {
QueryResultDTO queryResultDTO = queryService.executeQuery("select * from employees");
queryResultDTO.setSuccessful(true);
return queryResultDTO;
} catch (SQLException e) {
QueryResultDTO queryResultDTO = new QueryResultDTO();
queryResultDTO.setSuccessful(false);
queryResultDTO.setErrorMessage(e.getMessage());
return queryResultDTO;
}
}
}
我嘗試從AngularJS控制器發送POST請求:
app.controller("AppCtrl",function($scope,$http) {
var app = this;
$scope.execute= function () {
$http({
url: '../query/select',
method: "POST",
data: { 'message' : $scope.queryText }
})
.then(function(response) {
$scope.queryResult = response.data;
console.log($scope.queryResult);
console.log($scope.queryText)
},
function(response) {
console.log(response);
});
}
});
但它不起作用。 我甚至沒有調用Spring Controller中的executeQuery
函數。
但是,當我將RequestMethod更改為GET時,它可以正常工作。
@RestController
@RequestMapping("/query")
public class QueryController {
@Autowired
private QueryService queryService;
@RequestMapping(value = "/select", method = RequestMethod.GET)
public @ResponseBody QueryResultDTO executeQuery() {
try {
QueryResultDTO queryResultDTO = queryService.executeQuery("INSERT INTO employee VALUES (7,'dupa')");
queryResultDTO.setSuccessful(true);
return queryResultDTO;
} catch (SQLException e) {
QueryResultDTO queryResultDTO = new QueryResultDTO();
queryResultDTO.setSuccessful(false);
queryResultDTO.setErrorMessage(e.getMessage());
return queryResultDTO;
}
}
}
在Angular控制器中:
app.controller("AppCtrl",function($scope,$http) {
var app = this;
$scope.execute= function () {
$http({
url: '../query/select',
method: "GET",
data: { 'message' : $scope.queryText }
})
.then(function(response) {
$scope.queryResult = response.data;
console.log($scope.queryResult);
console.log($scope.queryText)
},
function(response) {
console.log(response);
});
}
});
我的主要問題是我想將一些數據發送到我的Spring控制器,然后發送JSON
以響應我的Angular控制器。 Whith GET
方法響應完美,但是當我使用POST
,控制器方法甚至都沒有被調用。
編輯:
我的QueryDTO
類很簡單:
public class QueryDTO {
private String message;
public String getMessage() {
return message;
}
public void setMessage(String message) {
this.message = message;
}
}
還有一些DEBUG
級別的日志:
2016-06-06 09:28:23.697 DEBUG 7504 --- [nio-8090-exec-2] o.s.web.servlet.DispatcherServlet : Null ModelAndView returned to DispatcherServlet with name 'dispatcherServlet': assuming HandlerAdapter completed request handling
2016-06-06 09:28:23.698 DEBUG 7504 --- [nio-8090-exec-2] o.s.web.servlet.DispatcherServlet : Successfully completed request
嘗試在方法中添加consumes=MediaType.APPLICATION_JSON_VALUE
。
@Transactional
@RequestMapping(value = "/userlogincheck", method = RequestMethod.POST, consumes=MediaType.APPLICATION_JSON_VALUE)
public @ResponseBody void userLoginCheck(@RequestBody UserImpl user, HttpServletRequest request, HttpServletResponse response) throws JSONException, IOException {
JSONObject json = new JSONObject();
try {
String email=user.getEmail();
Long userId=user.getId();
User loginData = accountService.userLoginCheck(email,userId);
if(loginData==null)
{
json.put("status", "FAILURE");
json.put("message", "user does not exist");
json.put("nextPage", "signIn");
}
else
{
json.put("status", "SUCCESS");
json.put("nextPage", updateState);
}
}
catch(Exception e) {
logger.info(e.getMessage());
}
response.setContentType("application/json;charset=UTF-8");
logger.info("response======" + json.toString());
PrintWriter out = response.getWriter();
out.write(json.toString());
}
我有同樣的問題,並且能夠通過向我的請求添加CSRF令牌來修復它(如果您使用的是WebSecurity,這只是一個問題)。 https://docs.spring.io/spring-security/site/docs/current/reference/html/csrf.html
此鏈接描述了以下步驟:
1)將標記添加到標題中,使用百萬富翁執行如下操作(我認為您也可以從cookie中獲取標記):
<head>
<meta name="_csrf" th:content="${_csrf.token}"/>
.....
</head>
2)將您的請求更改為包含CSRF令牌,如下所示(我不熟悉angular,但我猜您可以像使用Jquery一樣設置標題):
var token = $("meta[name='_csrf']").attr("content");
$.ajax({
type: 'POST',
url: url,
data: JSON.stringify(newTodo),
headers: {
'X-CSRF-TOKEN': token
},
contentType: 'application/json',
dataType: 'json',
success: function(){
alert('callback ');
}
});
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