计算总价

最新推荐文章于 2024-09-10 21:04:21 发布

原创最新推荐文章于 2024-09-10 21:04:21 发布 · 358 阅读

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版权声明：本文为博主原创文章，遵循 CC 4.0 BY-SA 版权协议，转载请附上原文出处链接和本声明。

	<!DOCTYPE html>
	<html>

	<head>
	<meta charset="UTF-8">
	<title></title>
	<script type="text/javascript" src="../../js/angular/angular.js"></script>
	<script>
	var app = angular.module("myApp", []);
	app.controller("myCtrl", function($scope) {
	$scope.shops = [{
	name: "苹果",
	price: 3,
	num: 5,
	state: false
	}, {
	name: "梨子",
	price: 4,
	num: 2,
	state: false
	}, {
	name: "香蕉",
	price: 3,
	num: 3,
	state: false
	}];

	//数量减一
	$scope.lessNum = function(shop) {
	if(shop.num >= 1) {
	shop.num--;
	$scope.zongjai = 0;
	for(index in $scope.shops) {
	if($scope.shops[index].state) {
	$scope.zongjai = ($scope.shops[index].price * $scope.shops[index].num) + $scope.zongjai;
	}
	}
	}
	}
	//数量加一
	$scope.addNum = function(shop) {
	shop.num++;
	$scope.zongjai = 0;
	for(index in $scope.shops) {
	if($scope.shops[index].state) {
	$scope.zongjai = ($scope.shops[index].price * $scope.shops[index].num) + $scope.zongjai;
	}
	}
	}

	//计算总价
	$scope.zongjai = 0;
	$scope.sum = function() {
	for(index in $scope.shops) {
	if($scope.shops[index].state) {
	$scope.zongjai = ($scope.shops[index].price * $scope.shops[index].num) + $scope.zongjai;
	}
	}
	}
	})
	</script>
	</head>

	<body ng-app="myApp" ng-controller="myCtrl">
	<center>
	<h3>购物车</h3>
	<table border="1px solid blue" cellpadding="10" cellspacing="0">
	<thead>
	<tr>
	<th><input type="checkbox" /></th>
	<th>商品名</th>
	<th>商品价格</th>
	<th>商品数量</th>
	<th>操作</th>
	</tr>
	</thead>
	<tbody>
	<tr ng-repeat="shop in shops">
	<td>
	<input type="checkbox" ng-click="sum()" ng-model="shop.state" />
	</td>
	<td>{{shop.name}}</td>
	<td>{{shop.price}}</td>
	<td>
	<button ng-click="lessNum(shop)">-</button>
	<input type="text" size="1" value="{{shop.num}}" />
	<button ng-click="addNum(shop)">+</button>
	</td>
	<td width="50px"><button>删除</button></td>
	</tr>
	<tr>
	<td colspan="5">
	总价：<span ng-bind="zongjai"></span>元
	</td>
	</tr>
	</tbody>
	</table>
	</center>
	</body>

	</html>

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