AngularJS提供$ http控件,该控件用作从服务器读取数据的服务.服务器进行数据库调用以获取所需的记录. AngularJS需要JSON格式的数据.一旦数据准备就绪,$ http可用于以下列方式从服务器获取数据 :
function studentController($scope,$https:) { var url = "data.txt"; $https:.get(url).success( function(response) { $scope.students = response; }); }
此处,文件data.txt包含学生记录. $ http服务进行ajax调用并设置对其属性学生的响应.学生模型可用于以HTML格式绘制表格.
[ { "Name" : "Mahesh Parashar", "RollNo" : 101, "Percentage" : "80%" }, { "Name" : "Dinkar Kad", "RollNo" : 201, "Percentage" : "70%" }, { "Name" : "Robert", "RollNo" : 191, "Percentage" : "75%" }, { "Name" : "Julian Joe", "RollNo" : 111, "Percentage" : "77%" } ]
<html> <head> <title>Angular JS Includes</title> <style> table, th , td { border: 1px solid grey; border-collapse: collapse; padding: 5px; } table tr:nth-child(odd) { background-color: #f2f2f2; } table tr:nth-child(even) { background-color: #ffffff; } </style> </head> <body> <h2>AngularJS Sample Application</h2> <div ng-app = "" ng-controller = "studentController"> <table> <tr> <th>Name</th> <th>Roll No</th> <th>Percentage</th> </tr> <tr ng-repeat = "student in students"> <td>{{ student.Name }}</td> <td>{{ student.RollNo }}</td> <td>{{ student.Percentage }}</td> </tr> </table> </div> <script> function studentController($scope,$http) { var url = "/data.txt"; $http.get(url).then( function(response) { $scope.students = response.data; }); } </script> <script src = "https://ajax.googleapis.com/ajax/libs/angularjs/1.2.15/angular.min.js"> </script> </body> </html>
要执行此示例,您需要部署 testAngularJS.htm 和 data.txt 文件到Web服务器.在Web浏览器中使用服务器的URL打开文件 testAngularJS.htm 并查看结果.