How to create a weather widget using Angular Js and open weather map


Sriram Varadarajan
Enterprise Architect
Published On :   16 Mar 2015
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In this article, let us see, How to create a web based weather widget using Angular JS. Copy the below Javascript snippet and save it as script file with .js as extension. In this example I am using Chennai as the location. Open Weather Map api is used to fetch weather details

JavaScript

 var app = angular.module('weatherApp', []);
 app.controller('weatherCtrl', ['$scope', 'weatherService', function($scope, weatherService) {
     function fetchWeather(zip) {
         weatherService.getWeather(zip).then(function(data) {
             $scope.place = data;
         });
     }
     fetchWeather('600091);
     $scope.findWeather = function(zip) {
         $scope.place = '';
         fetchWeather(zip);
     };
 }]);
 
 app.factory('weatherService', ['$http', '$q', function($http, $q) {
             function getWeather(zip) {
                 var deferred = $q.defer();
                 $http.get('http: //api.openweathermap.org/data/2.5/forecast/daily?q=%27+chennai+%27&mode=json&units=metric’)
                     .success(function(data) {
                         deferred.resolve(data);
                     })
                     .error(function(err) {
                         console.log('Error retrieving markets');
                         deferred.reject(err);
                     });
                     return deferred.promise;
                 }
                 return {
                     getWeather: getWeather
                 };
             }]);

HTML

 <!DOCTYPE html>
 <html ng-app="weatherApp">
   <head>
     <meta charset="utf-8″ />
     <title>
       AngularJS Plunker
     </title>
     <link data-require="bootstrap-css@3.1.1″ data-semver="3.1.1″ rel="stylesheet" href="//netdna.bootstrapcdn.com/bootstrap/3.1.1/css/bootstrap.min.css" />
     <script>
       document.write(‘<base href="‘ + document.location + ‘" />’);
     </script>
     <link rel="stylesheet" href="style.css" />
     <script data-require="angular.js@1.2.x" src="https://code.angularjs.org/1.2.16/angular.js&#8221; data-semver="1.2.16″>
     </script>
     <script data-require="jquery@*" data-semver="2.0.3″ src="http://code.jquery.com/jquery-2.0.3.min.js">
     </script&gt;
       <script data-require="bootstrap@*" data-semver="3.1.1″ src="//netdna.bootstrapcdn.com/bootstrap/3.1.1/js/bootstrap.min.js">
   </script>
   <script src="app.js">
   </script>
 </head>
 <body ng-controller="weatherCtrl">
   <form>
     <div class="form-group">
       <input class="form-control" type="number" ng-model="zip" placeholder="e.g. 84105″ />
       <input class="btn btn-default" type="submit" value="Search" ng-click="findWeather(zip)" />
     </div>
   </form>
   <p ng-show="zip">
     Searching the forecasts for: {{zip}}
   </p>
   <div>
     <h1>
       Forecast For {{ place.city.name}}
     </h1>
     <div class="col-xs-6″>
       <div class="panel panel-primary">
         <div class="panel-heading">
           <h4>
             <img class="img-thumbnail forecast-img" ng-src="http://openweathermap.org/img/w/{{ place.list[0].weather[0].icon }}.png" />
           </h4>
         </div>
         <div class="panel-body">
           <p>
             H: {{ place.list[0].temp.day }}° C
           </p>
         </div>
       </div>
     </div>
   </div>
 </body>
 </html>

Create a HTML code and copy and paste the below code: (this will show weather as well as image of the weather)

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