购物车

body里面：

<input type="checkbox" ng-model="st" ng-click="quan()">全选
<ul ng-repeat="item in data">
    <input type="checkbox"  ng-model="item.check" ng-click="fu()">
    <li>{{item.id}}</li>
    <li>{{item.name}}</li>
    <li>{{item.price}}</li>
    <li><button ng-click="jia($index)">+</button><span ng-bind="item.num"></span><button ng-click="jian($index)">-</button><button ng-click="shan($index)">删除</button></li>

</ul>
<p><span ng-bind="money()"></span></p>
js：<script>
    var  app=angular.module("app",[]);
    var items = [{}];
    app.controller("ctr",function ($scope) {
        $scope.data=items;
        $scope.shan=function (index) {
            $scope.data.splice(index,1);
        }
        $scope.jian=function (index) {
           if($scope.data[index].num>0){
               $scope.data[index].num--;
           }else{
               alert("空了");
           }
        }
        $scope.jia=function (index) {
            $scope.data[index].num++;        }        $scope.money=function () {            var my=0;            for (var i=0;i<$scope.data.length;i++){                if($scope.data[i].check==true){                    my+=$scope.data[i].num*$scope.data[i].price;                }            }            return "总价："+my;        }        $scope.st=false;        $scope.quan=function () {            if($scope.st==true){                for (var i=0;i<$scope.data.length;i++){                    $scope.data[i].check=true                }            }else {                for (var i=0;i<$scope.data[i].length;i++){                    $scope.data[i].check=false                }            }        }        $scope.fu=function () {            var fale=0;            for (var i=0;i<$scope.data.length;i++){                if($scope.data[i].check==true){                    fale++;                }            }            if(fale==$scope.data.length){                $scope.st=true            }else{                $scope.st=false            }        }    })</script>