<!DOCTYPE html> <html ng-app='app' ng-controller='mainController'> <head> <meta charset="utf-8"> <title>评论案例</title> <link rel="stylesheet" type="text/css" href="bootstrap.min.css" /> </head> <body> <br /><br /><br /> <div class="row"> <div class="col-xs-3"></div> <div class="col-xs-6"> <!-- 评论模块 --> <div class="input-group"> <input type="text" class="form-control" /> <span class="input-group-btn" ng-model='comt'> <button class="btn btn-primary" ng-click='submitComment(comt)'>评论</button> </span> </div> <!-- 评论标题 --> <h2 ng-show='commentArr.length>0'>评论</h2><!-- 有显示 --> <!-- 评论内容 --> <ul class="list-group"> <li class="list-group-item" ng-repeat='comment in commentArr track by $index'> <span>{{comment}}</span> <a href="javascript:;" class="btn btn-link" ng-click='deleteComment($index)'>删除本条评论</a> </li> </ul> </div> <div class="col-xs-3"></div> </div> <script src="angular.js"></script> <script> var app = angular.module('app',[]); app.controller('mainController',['$scope',function($scope){ $scope.commentArr = []; //评论功能 $scope.submitComment = function (comt){ $scope.commentArr.push(comt); $scope.comt = ''; }; //删除评论 $scope.deleteComment = function(index){ $scope.commentArr.splice(index,1);//.splice(index,howmany,item1,.....,itemX)index 必需。整数，规定添加/删除项目的位置，使用负数可从数组结尾处规定位置。 }; }]); </script> </body> </html>