购物车angularJS删除和模糊查询还有排序

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<title></title>
<script type="text/javascript" src="../angular/angular.js" ></script>
<script>
var app = angular.module("myApp",[]);
app.controller("myCtrl",function($scope){
$scope.products = [{
"id":80,
"name":"iphone",
"price":5400
},{
"id":1200,
"name":"ipad mini",
"price":2200
},{
"id":500,
"name":"ipad air",
"price":2340
},{
"id":290,
"name":"ipad",
"price":1420
},{
"id":910,
"name":"imac",
"price":15400
}];

//点击列明进行排序
$scope.orderFlag="";
$scope.orderLine="id";
$scope.orderProduct = function(line){
$scope.orderLine = line;
if($scope.orderFlag == ""){
$scope.orderFlag = "-";
}else{
$scope.orderFlag = "";
}
}
//下拉菜单删选商品价格
$scope.productPrice = "--请选择--";
$scope.ifShow = function(price){
if ($scope.productPrice == "--请选择--") {
return true;
} else{
var arr = $scope.productPrice.split("-");
var priceMin = arr[0];
var priceMax = arr[1];
if (price<priceMin || price>priceMax) {
return false;
} else{
return true;
}
}
}

//点击删除按钮, 删除当前商品
$scope.delProduct = function(delName){
for(index in $scope.products){
if (delName == $scope.products[index].name) {
$scope.products.splice(index,1);
} else{

}
}
}
});
</script>
</head>
<body ng-app="myApp" ng-controller="myCtrl">
<center>
<h3>购物车</h3>
<input type="text" placeholder="产品名称" ng-model="search" /> 产品价格
<select ng-model="productPrice">
<option>--请选择--</option>
<option>0-2000</option>
<option>2001-3000</option>
<option>3001-4000</option>
<option>4001-5000</option>
<option>5001-6000</option>
<option>6001-7000</option>
<option>7001-8000</option>
<option>8001-无穷大</option>
</select><br /><br />
<table border="1px solid blue" cellpadding="10" cellspacing="0">
<tr>
<td ng-click="orderProduct('id')">产品编号</td>
<td ng-click="orderProduct('name')">产品名称</td>
<td ng-click="orderProduct('price')">产品价格</td>
<td>操作</td>
</tr>
<tr ng-repeat="sz in products | filter:{'name':search} | orderBy:(orderFlag+orderLine)" ng-if="ifShow(sz.price)">
<td>{{sz.id}}</td>
<td>{{sz.name}}</td>
<td>{{sz.price}}</td>
<td><button ng-click="delProduct(sz.name)">删除</button></td>
</tr>
</table>
</center>
</body>

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