NodeJS /角度编辑请求出现400错误

Question

I'm working on an application with Ionic/Angular with a NodeJS backend.I have made an update form where a user can edit/delete a row with. The delete works, but I am having trouble with the edit function. On my console, this gets displayed: http://localhost:3000/api/todos/%7B%22todo%22:%22NewT%22,%22todo_text%22:%22Text%20EditionT%22%7D . I am wondering how would I make the edit request to work.

Below is my code for the server side request:

router.put('/api/todos/:_id', function(req, res) {

db.todos.update({
  _id: mongojs.ObjectId(req.body._id)
}, {
  todo: req.body.todo, 
  todo_text: req.body.todo_text
}, {}, function(err, data) {
  res.json(data);
});

});

Code for my update form (both delete and edit function). Note that HomeFac is for my services.js, where it directs to the REST API ( http://localhost:3000/api/todos/(id number):

.controller('UpdateCtrl', function($stateParams, $rootScope, $scope, HomeFac) {  
id = $stateParams.id;  

$scope.todo = {}; 

HomeFac.getBeer(id).success(function(data) {  

      var met = data[0]; 

      $scope.todo.todo = met.todo; 
      $scope.todo.todo_text = met.todo_text; 
});

$scope.edit = function(id, inputs) {  

    var inputs = { 
        todo : $scope.todo.todo, 
        todo_text : $scope.todo.todo_text
     };  

    data = angular.toJson(inputs); 

    HomeFac.updateBeer($stateParams.id, data
    ).then(function(id, data) { 
      alert("edited!"); 
    }); 
}; 

$scope.delete = function() { 
   HomeFac.deleteBeer(id);
}; 

}); 

Beer Service in services.js

_BeerService.updateBeer = function(todo, _id) { 
 return $http.put(urlBase + '/' + _id, todo); 
}; 

Answer 1

It's probably because req.body._id is undefined . You're probably looking for req.params._id . Given that it's undefined, the update function isn't able to find the correct document.

Note: You don't have to make your url parameter _id . URL parameters are like function parameters: you could name them whatever you want, and so you probably want to name it something that is more convenient, like id .