AngularJs学习——实现列表内容项的增加删除

效果截图:

说明:引入bootstrap.min.css样式库和angular.min.js的静态资源库,实现列表内容的增加和删除操作。

AngularJS代码

    <script src="http://apps.bdimg.com/libs/angular.js/1.4.6/angular.min.js"></script>
    <script>
        angular.module('myapp',[])
               .controller('myctrl',function($scope){
                       $scope.item = '';
                       $scope.items = [];
                       //增加列表项方法
                       $scope.add = function(){
                           $scope.items.push($scope.item);
                       }
               })
    </script>

HTML代码

<!DOCTYPE html>
<html lang="en" ng-app="myapp">
<head>
    <meta charset="UTF-8">
    <title>AngularJS实现列表内容项的增加、删除</title>
    <link rel="stylesheet" href="http://cdn.bootcss.com/bootstrap/4.0.0-alpha.2/css/bootstrap.min.css"/>
</head>
<body style="padding: 20px">
    <div class="container" ng-controller="myctrl">
        <div class="row">
            <div class="col-md-offset-2 col-md-5">
            <div class="input-group">
                <input type="text" class="form-control" ng-model="item">
                <span class="input-group-btn">
                    <button class="btn btn-primary" ng-click="add()">增加内容</button>
                </span>
            </div>
            </div>
        </div>
        <div class="row">
            <div class="col-md-offset-2 col-md-5">
                <h6 style="margin-top: 10px;" ng-if="items.length>0">列表内容:</h6>
                <div class="list-group">
                    <div class="list-group-item" ng-repeat="item in items track by $index">
                        {{item}} <a href="#" ng-click="items.splice($index,1)">删除</a>
                    </div>
                </div>                
            </div>
        </div>
    </div>
</body>
</html>
原文地址:https://www.cnblogs.com/lvmylife/p/5389111.html