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对象使用方式 #5

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对象使用方式 #5

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14 changes: 7 additions & 7 deletions 第二天/car.html
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Original file line number Diff line number Diff line change
Expand Up @@ -18,15 +18,15 @@
</tr>
<tr ng-repeat="product in products">
<td><input type="checkbox" ng-model="product.selected" ng-click="selectOne()"></td>
<td>{{product.name}}</td>
<td>{{product?.name}}</td>
<td>
<button ng-click="product.count=product.count-1" ng-disabled="product.count<=1">-</button>
<button ng-click="product?.count=product?.count-1" ng-disabled="product.count<=1">-</button>
<!--ng-disabled 如果为true的时候此按钮会被禁用掉,ng-readonly="true"表示仅读-->
<input type="text" ng-model="product.count" ng-readonly="true">
<button ng-click="product.count=product.count+1">+</button>
<input type="text" ng-model="product?.count" ng-readonly="true">
<button ng-click="product?.count=product?.count+1">+</button>
</td>
<td>{{product.price}}</td>
<td>{{product.price*product.count}}</td>
<td>{{product?.price}}</td>
<td>{{product?.price*product?.count}}</td>
<!--将要删除的数据传递到方法中-->
<td><button class="btn btn-danger" ng-click="del(product)">删除</button></td>
</tr>
Expand Down Expand Up @@ -131,4 +131,4 @@

</script>
</body>
</html>
</html>