Heim > Artikel > Web-Frontend > So implementieren Sie einen einfachen Warenkorb in AngularJS
In diesem Artikel erfahren Sie hauptsächlich, wie Sie einen einfachen Warenkorb in AngularJS implementieren. Ich hoffe, er kann Ihnen helfen.
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>我的购物车</title> <script type="text/javascript" src="../js/angular.min.js" ></script> <script type="text/javascript" src="../js/jquery-3.3.1.min.js" ></script> <style> * { margin: 0; padding: 0; } table { border-collapse: collapse; } td, th { padding: 3px; height: 50px; width: 100px; border: 1px solid gainsboro; text-align: left; } .nav { width: 800px; text-align: right; } tbody tr td:nth-child(4) { width: 200px; } tbody tr td:nth-child(4) button { width: 30px; height: 30px; } tbody tr td:nth-child(4) input { width: 30px; height: 30px; border: 1px solid gainsboro; border-radius: 5px; } .nav button { width: 150px; height: 40px; background: red; color: white; border: 0; border-radius: 5px; } button { width: 50px; height: 30px; background: blue; border: 0; border-radius: 5px; color: white; } a { text-decoration: none; } </style> <script> var myapp = angular.module("myapp", []); myapp.controller("myCtrl", function ($scope) { //自拟商品信息 $scope.data = [{"name": "qq", "price": 12.9, "number": 1, done: false}, {"name": "wx", "price": 23.9, "number": 1, done: false}, {"name": "wx", "price": 99.9, "number": 1, done: false}, {"name": "wb", "price": 63.9, "number": 1, done: false}]; //点击加号的方法 $scope.add = function (index) { $scope.data[index].number++; $scope.sum(); } //点击减号的方法 $scope.jian = function (index) { //点击-操作时,当商品数量为1时,弹出对话框,询问是否移除 if ($scope.data[index].number == 1) { if (confirm("您是否将该商品移除购物车?")) { $scope.data[index].number--; $scope.data.splice(index,1); $scope.sum(); } } else if ($scope.data[index].number > 1) { $scope.data[index].number--; $scope.sum(); } } //计算商品总价的方法 $scope.sum = function () { $scope.allMoney = 0; for (var i = 0; i < $scope.data.length; i++) { $scope.allMoney += $scope.data[i].price * $scope.data[i].number; } } $scope.sum(); //点击输入框的方法 $scope.dianji = function () { $scope.sum(); } $scope.shopping = false; //默认全选是不选的 $scope.check = false; //删除全部商品的方法 $scope.delAll = function (check) { $scope.checkD(check); } $scope.checkD = function (state) { for (var i = 0; i < $scope.data.length; i++) { $scope.data[i].done = state; } } //下面的选框代表 $scope.checkSS = false; $scope.checkS = function () { $scope.flag = 0; for (var i = 0; i < $scope.data.length; i++) { if ($scope.data[i].done == true) { $scope.flag++; $scope.checkSS = true; } } //实现当下面全部选中,全选框选中的效果 if ($scope.flag == $scope.data.length) { $scope.check = true; } else { $scope.check = false; } } //判断全选框下面的多选框有几个的方法 //清空购物车的方法 $scope.clearShpooing = function () { if ($scope.check == true || $scope.checkSS == true) { for (var i = 0; i < $scope.data.length; i++) { if ($scope.data[i].done == true) { $scope.data.splice(i--, 1); if ($scope.data.length == 0) { $scope.show = false; $scope.shopping = true; } $scope.sum(); } } if ($scope.check == true) { $scope.data.length = 0; $scope.show = false; $scope.shopping = true; } } else { alert("请先选择要操作的商品"); } } $scope.show = true; $scope.remove = function (index) { $scope.data.splice(index, 1); if ($scope.data.length == 0) { $scope.show = false; $scope.shopping = true; } } //点击去逛商城的代码 $scope.showS=function () { $scope.show = true; $scope.check=false; } }); </script> </head> <body ng-app="myapp" ng-controller="myCtrl"> <h1>我的购物车</h1> <p ng-show="shopping">您的购物车为空<a href="#" ng-click="showS()">去逛商城</a></p> <p class="nav"> <button ng-click="clearShpooing()" ng-show="show">清空购物车</button> </p> <!--创建购物车列表--> <table ng-show="show"> <thead> <th><input type="checkbox" ng-model="check" ng-click="delAll(check)"></th> <th>name</th> <th>price</th> <th>number</th> <th>totalprice</th> <th>option</th> </thead> <tbody> <!--ng-repeat渲染数据到界面--> <tr ng-repeat="item in data"> <td><input type="checkbox" ng-model="item.done" ng-click="checkS()"></td> <td>{{item.name}}</td> <td>{{item.price | currency:"¥"}}</td> <td> <button ng-click="jian($index)">-</button> <input type="text" ng-model="item.number" ng-checked="dianji()"> <button ng-click="add($index)">+</button> </td> <td>{{item.price*item.number |currency:"¥"}}</td> <td> <button ng-click="remove($index)">删除</button> </td> </tbody> <tfoot> <tr> <!--价钱起前面加"¥"--> <td colspan="6">总价为:{{allMoney | currency:"¥"}}</td> </tr> </tfoot> </table> </body> </html>
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