AngularJS购物车功能增加/删除/价格的计算

来源：互联网发布：eui魔兽盒子mac版编辑：程序博客网时间：2024/04/29 21:52
<!DOCTYPE html><html><head>    <meta charset="UTF-8">    <title>AngularJS购物车功能增加/删除/价格的计算</title>    <script type="text/javascript" src="AngularJS/angular.js" ></script>    <script>        var app = angular.module("myApp",[]);        app.controller("myCtrl",function($scope){            $scope.shops = [{                name:"qq1",                price:12.9,                num:3,                state:false            },{                name:"wx1",                price:22,                num:5,                state:false            },{                name:"qq2",                price:33,                num:6,                state:false            },{                name:"wx2",                price:44,                num:4,                state:false            }];            //增加            $scope.add = function(index){                $scope.shops[index].num += 1;            }            //减少            $scope.reduce = function(index){                if($scope.shops[index].num>1){                    $scope.shops[index].num -= 1;                }else{                    if(window.confirm("要删除"+$scope.shops[index].name+"吗？")){                        $scope.shops.splice(index,1);                    }else{                    }                }            }            //获取总价            $scope.allPrice = function(){                var all = 0;                for(index in $scope.shops){                    all += $scope.shops[index].price * $scope.shops[index].num;                }                return all;            }            //全选            $scope.selectAll = false;            $scope.selectAllFun = function(){                if($scope.selectAll){                    for(index in $scope.shops){                        $scope.shops[index].state = true;                    }                }else{                    for(index in $scope.shops){                        $scope.shops[index].state = false;                    }                }            }            //反选            $scope.checkSelectAll = function(){                var flag = false;                for(index in $scope.shops){                    if($scope.shops[index].state){                    }else{                        flag = true;                    }                }                //至少有一个没有被选中                if(flag){                    $scope.selectAll = false;                }else{                    $scope.selectAll = true;                }            }            //批量删除            $scope.deleteSelected = function(){                var selectedShop = [];                for(index in $scope.shops){                    if($scope.shops[index].state){                        selectedShop.push($scope.shops[index].name);                    }                }                if(selectedShop.length>0){                    for(i1 in selectedShop){                        for(i2 in $scope.shops){                            if(selectedShop[i1] == $scope.shops[i2].name){                                $scope.shops.splice(i2,1);                            }                        }                    }                }else{                    alert("请先选择")                }            }            //判断数据源的长度            $scope.getSize = function(){                if($scope.shops.length > 0 ){                    return false;                }else{                    return true;                }            }        });    </script></head><body ng-app="myApp" ng-controller="myCtrl"><center>    <h3>我的购物车</h3>    <button ng-click="deleteSelected()">批量删除</button><br /><br />    <table ng-hide="getSize()" border="1 solid blue" cellpadding="10" cellspacing="0">        <thead>        <tr>            <th><input type="checkbox" ng-model="selectAll" ng-click="selectAllFun()"/></th>            <th>name</th>            <th>price</th>            <th>number</th>            <th>totalPrice</th>            <th>option</th>        </tr>        </thead>        <tbody>        <tr ng-repeat="shop in shops">            <td><input type="checkbox" ng-model="shop.state" ng-click="checkSelectAll()"/></td>            <td>{{shop.name}}</td>            <td>{{shop.price | currency:"￥"}}</td>            <td>                <button ng-click="reduce($index)">-</button>                <input type="number" ng-model="shop.num" style="width: 30px;"/>                <button ng-click="add($index)">+</button>            </td>            <td>{{shop.price * shop.num | currency:"￥"}}</td>            <td><button>删除</button> </td>        </tr>        <tr>            <td colspan="6">总价为：<span ng-bind="allPrice() | currency:'￥'"></span></td>        </tr>        </tbody>    </table>    <span ng-show="getSize()">您的购物车为空，请先逛<a href="#">购物车</a></span></center></body></html>
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