成熟不是心变老,而是眼泪在眼里打转却还持续微笑。积极的人在每一次忧患中都是看到一个机会,而消极的人则是在每个机会都是会看到某种忧患。
本文实例讲述了AngularJS ng-repeat指令及Ajax的应用。分享给大家供大家参考,具体如下:
ng-repeat 指令用于循环输出指定次数的 HTML 元素。集合必须是数组或对象。
定义:
<element ng-repeat="expression"></element>
说明:experssion表达式定义了如何循环集合。常用的如:x in records
下面通过一个例子,来说明ng-repeat如何绘制一个表格:
<div ng-app='mainApp' ng-controller='studentController'> <table border="0"> <tr> <td>姓</td> <td><input type="text" ng-model='student.firstName'></td> </tr> <tr> <td>名</td> <td><input type="text" ng-model='student.lastName'></td> </tr> <tr> <td>名字</td> <td>{{student.fullName()}}</td> </tr> <tr> <td>科目</td> <td> <table> <tr> <th>名字</th> <th>标记</th> </tr> <tr ng-repeat='sub in student.subjects'> <td>{{sub.name}}</td> <td>{{sub.marks}}</td> </tr> </table> </td> </tr> </table> </div>
表可以使用CSS样式设置样式。
<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>
利用angularjs的ng-repeat指令绘制表格:
<script> var mainApp=angular.module('mainApp',[]); //定义一个名为mainApp的模块 mainApp.controller('studentController',function($scope){ $scope.student={ firstName:'聂', lastName:'鹏飞', subjects:[ {name:'物理',marks:73}, {name:'化学',marks:90}, {name:'数学',marks:68}, {name:'英文',marks:85}, {name:'生物',marks:77}, ], fullName:function(){ var studentObject; studentObject = $scope.student; return studentObject.firstName+' '+studentObject.lastName; } }; }); </script>
效果:
上面例子表格中展示的数据也可以通过ajax请求从服务器中获取,然后利用ng-repeat指令插入到页面中,具体实现见下面代码:
<html> <head> <title>Angular JS Controller</title> <script src="angularjs/angular-1.3.0/angular.min.js"></script> <style> table, th , td { border: 1px solid grey; border-collapse: collapse; padding: 5px; } table tr:nth-child(odd) { background-color: #f2f2f2; } table tr:nth-child(even) { background-color: #ffffff; } </style> </head> <body> <h2>AngularJS 表格应用示例</h2> <div ng-app='mainApp' ng-controller='studentController'> <table border="0"> <tr> <td>姓</td> <td><input type="text" ng-model='student.firstName'></td> </tr> <tr> <td>名</td> <td><input type="text" ng-model='student.lastName'></td> </tr> <tr> <td>名字</td> <td>{{student.fullName()}}</td> </tr> <tr> <td>科目</td> <td> <table> <tr> <th>名字</th> <th>标记</th> </tr> <tr ng-repeat='sub in student.subjects'> <td>{{sub.name}}</td> <td>{{sub.marks}}</td> </tr> </table> </td> </tr> </table> </div> <script> var mainApp=angular.module('mainApp',[]); mainApp.controller('studentController',function($scope,$http){ $scope.student={ firstName:'聂', lastName:'鹏飞', fullName:function(){ var studentObject; studentObject = $scope.student; return studentObject.firstName+' '+studentObject.lastName; }, }; var url="data.txt"; $http.post(url).success(function(response){ $scope.student.subjects=response; }) }); </script> </body> </html>
说明:需要放在服务器环境中运行
希望本文所述对大家AngularJS程序设计有所帮助。
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