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        AngularJS $http.get 返回 undefined 并且 $http() 不是函数

        时间:2024-04-19

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                1. 本文介绍了AngularJS $http.get 返回 undefined 并且 $http() 不是函数的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着跟版网的小编来一起学习吧!

                  问题描述

                  我正在构建一个应用程序以在 AngularJS 中动态加载和显示数据库中的数据,但是当我尝试访问我的 API(使用 $http() 或 $http.get())时,我收到了错误.$http.get() error: TypeError: undefined is not a function, $http() error: TypeError: object is not a function

                  I'm building an app to dynamically load and display data from a database in AngularJS, but when I try to access my API (using either $http() or $http.get()), I receive errrors. $http.get() error: TypeError: undefined is not a function, $http() error: TypeError: object is not a function

                  此特定错误发生在动态加载导航选项卡的代码中.

                  This specific error occurs in the code to dynamically load navigation tabs.

                  CoffeeScript 中的代码:

                  The code for both in CoffeeScript:

                  p4pControllers.controller 'navCtrl', [
                      '$routeParams'
                      '$scope'
                      '$http'
                      ($http,$scope,$routeParams) ->
                          $http(
                          method:'GET'
                          url:'http://p4p-api.snyx.nl/tables'
                      ).success (data) ->
                          $scope.tabs = data
                          return
                      return
                  
                      $http.get('http://p4p-api.snyx.nl/tables').success (data) ->
                         $scope.tabs = data
                         return
                      return
                  ]
                  

                  有人看到我在这里做错了吗?

                  Does anyone see what I'm doing wrong here?

                  推荐答案

                  当使用数组表示法注入依赖时,参数的顺序很重要:

                  When using the array notation for injecting dependencies, the order of the arguments is important:

                  在您的代码中:

                  ['$routeParams',
                   '$scope',
                   '$http',
                   function ($http, $scope, $routeParams)  {
                      // $http argument        ==> $routeParams
                      // $scope argument       ==> $scope (by coincidence)
                      // $routeParams argument ==> $http
                  }
                  

                  所以,基本上,您正在执行 $routeParams.get(),但 $routeParams 没有方法 get()(也没有它本身就是一个函数).

                  So, basically, you are doing $routeParams.get(), but $routeParams has no method get() (nor is it a function itself).

                  这篇关于AngularJS $http.get 返回 undefined 并且 $http() 不是函数的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持跟版网!

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