<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>月考练习购物车</title>
<script type="text/javascript" src="js/angular.js"></script>
<script type="text/javascript" src="js/jquery-3.2.1.min.js"></script>
<!--<script src="jquery-3.2.1.js"></script>-->
<script>
var app = angular.module("myApp", []);
app.controller("myController", function($scope) {
$scope.user = [{
checked: false,
name: "qq",
price: 11,
num: 2,
item: "0"
},
{
checked: false,
name: "ww",
price: 22,
num: 2,
item: "1"
},
{
checked: false,
name: "ee",
price: 20,
num: 3,
item: "2"
},
{
checked: false,
name: "rr",
price: 12,
num: 2,
item: "3"
}
]
$scope.nc = function(index) {
if(confirm("确认删除")) {
$scope.user.splice(index, 1)
if($scope.user == "") {
$(function() {
$("div").html("您的购物车为空,<a href='/'>去逛商城</a>");
});
}
}
}
//减少数量
$scope.reduce = function(index) {
if($scope.user[index].num > 1) {
$scope.user[index].num--;
} else {
$scope.remove(index);
}
}
//添加数量函数
$scope.add = function(index) {
$scope.user[index].num++;
}
//为0时,删除当前商品
$scope.remove = function(index) {
if(confirm("确定要清空数据吗")) {
$scope.user.splice(index, 1)
if($scope.user == "") {
$(function() {
$("div").html("您的购物车为空,<a href='/'>去逛商城</a>");
});
}
}
}
//所有商品总价函数
$scope.totalQuantity = function() {
var allprice = 0
for(var i = 0; i < $scope.user.length; i++) {
allprice += $scope.user[i].num * $scope.user[i].price;
}
return allprice;
}
//清空购物车
$scope.qs = function() {
if(confirm("是否确认清除购物车?")) {
$scope.user = [];
if($scope.user == "") {
$(function() {
$("div").html("您的购物车为空,<a href='/'>去逛商城</a>");
});
}
}
}
//全选
$scope.selectAllClick = function(sa) {
for(var i = 0; i < $scope.user.length; i++) {
$scope.user[i].checked = sa;
}
}
//反选
$scope.checkSelectAll = function() {
var flag = false;
for(index in $scope.user) {
if($scope.user[index].checked) {
} else {
flag = true;
}
}
//至少有一个没有被选中
if(flag) {
$scope.selectAll = false;
} else {
$scope.selectAll = true;
}
}
//解决输入框输入负数时变为1
$scope.change = function(index) {
if($scope.user[index].num >= 1) {
} else {
alert("最小只能为1");
$scope.user[index].num = 1;
}
}
});
</script>
<style>
.d {
width: 60%;
background: gainsboro;
}
td {
background: white;
}
span {
margin: 0 10px;
font-size: 30px;
}
</style>
</head>
<body ng-app="myApp" ng-controller="myController">
<h1>我的购物车</h1>
<div class="d">
<button style="float: right;margin-right: 40%;" ng-click="qs()">清空购物车</button>
<table style="width: 60%; background: gainsboro;margin-top: 40px;float: left;" cellspacing="1px">
<tr>
<td><input type="checkbox" ng-model="selectAll" ng-click="selectAllClick(selectAll)"></td>
<td ng-click="togg('name')">name</td>
<td ng-click="togg('price')">price</td>
<td ng-click="togg('num')">number</td>
<td ng-click="togg('totalPrice')">totalPrice</td>
<td>option</td>
</tr>
<tr ng-repeat="u in user|filter:serch|orderBy:title:desc">
<td><input type="checkbox" ng-model="u.checked" ng-checked="u.checked" ng-click="checkSelectAll()"></td>
<td>{{u.name}}</td>
<td>￥：{{u.price}}</td>
<td>
<button ng-click="reduce($index)">-</button>
<input type="number" ng-model="u.num" ng-change="change($index)" />
<button ng-click="add($index)">+</button>
</td>
<td>￥：{{u.price*u.num}}</td>
<td><button ng-click="nc($index)">删除</button></td>
</tr>
<tr>
<td colspan="6" style="text-align: left;" id="tds">总价为:￥：<span ng-bind="totalQuantity()"></span></td>
</tr>
</table>
</div>
</body>
</html>
HTML angular购物车:加减按钮改变数量+全选+低于1时提示删除商品+计算所有商品总价+清空购物车+单独删除+输入内容小于1时 自动变为1+反选
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