angularjs拦截器实现loading

最新推荐文章于 2024-10-27 14:30:29 发布

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最新推荐文章于 2024-10-27 14:30:29 发布

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分类专栏： Angularjs 文章标签： loading

本文链接：https://blog.youkuaiyun.com/u014788227/article/details/50819493

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这篇博客展示了如何在 AngularJS 应用中使用拦截器实现页面加载时显示loading效果。通过创建一个名为 `myInterceptor` 的服务，并在 `$httpProvider` 的 interceptors 列表中注册它，可以在请求开始时显示loading图标，并在响应返回时隐藏。示例代码包括配置路由、定义拦截器以及控制器的简单实现。

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 <!DOCTYPE html>
<html lang="zh-CN" ng-app="myApp">
  <head>
    <meta charset="utf-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <script src="jquery.min.js"></script>
    <script src="angular.js"></script>
    <link rel="stylesheet" href="bootstrap.min.css">
    <style type="text/css">
        .mask-loading .loading-icon {
            -webkit-animation: rotate 1s linear infinite;
            -o-animation: rotate 1s linear infinite;
            animation: rotate 1s linear infinite;
            position: absolute;
            top: 50%;
            left: 50%;
            width: 30px;
            height: 30px;
            margin: -20px 0 0 -20px;
            border-width: 5px;
            border-style: solid;
            border-color: #37c3aa #37c3aa #fff #fff;
            opacity: .9;
            border-radius: 20px;
        }

        @-webkit-keyframes rotate{
          0% {-webkit-transform:rotate(0)}
          100% {-webkit-transform:rotate(360deg)}
        }

        @keyframes rotate{
          0% {transform:rotate(0)}
          100% {transform:rotate(360deg)}
        }

        .mask-loading {
          position:fixed;
          top:0;
          right:0;
          bottom:0;
          left:0;
          background:0 0;
          z-index:9999;
        }
    </style>
    <script type="text/javascript" src="angular-ui-router.js"></script>
    <script type="text/javascript" src="angular-animate.js"></script>
    <script type="text/javascript">
      var myApp = angular.module('myApp', ['ui.router', 'ngAnimate']);
      myApp.config(["$stateProvider", "$httpProvider", '$urlRouterProvider', function ($stateProvider, $httpProvider, $urlRouterProvider) {
          $stateProvider
          .state('a', {
              url: '/a',
              templateUrl: "loadpath/a.html",
              controller: "aController"
          })
          .state('b', {
              url: '/b',
              templateUrl: "loadpath/b.html",
              controller: "bController"
          });

          $urlRouterProvider.otherwise('/');

          $httpProvider.interceptors.push('myInterceptor');
      }]);
       
      //loading
      myApp.factory('myInterceptor', ["$rootScope", function ($rootScope) {
          var timestampMarker = {
              request: function (config) {
                  $rootScope.loading = true;
                  return config;
              },
              response: function (response) {
                 $rootScope.loading = false;
                  return response;
              }
          };
          return timestampMarker;
      }]);

      myApp.controller('aController', function($scope) {
        $scope.page = "a";
      });

      myApp.controller('bController', function($scope) {
        $scope.page = "b";
      });
    </script>
  </head>
  <body>
    <h1>index</h1>
    <div id="mask-loading" class="mask-loading" ng-if="loading" style="background-color: rgba(0, 0, 0, 0.17);">
        <div class="loading-icon"></div>
    </div>
    <div ui-view></div>
    <a ui-sref="a">go to a.html</a>
    <br/>
    <a ui-sref="b">go to b.html</a>
  </body>
</html>