如何在querytext的长度等于2时开始过滤

Question

如果querytext的长度等于2，我怎么能开始过滤？

我有这段代码，我不知道如何在querytext.length＆gt; = 2时开始过滤

<input type="search" ng-model="querytext">
<ul>
    <li ng-repeat="value in filteredList | filter:querytext>{{value.Name}}</li>
</ul>
$scope.filteredList =[{Id:1,Name:"Soul"},{Id:2,Name:"Croft"}];

Answer 1

将ng-minlength="2"添加到<input>元素。

<input type="search" ng-model="querytext" ng-minlength="2" />
<!--                                      ^^^^^^^^^^^^^^^^ -->

Answer 2

正如@Daiwei所建议的，这就是我所做的：

<input type="search" ng-model="querytext" ng-minlength="2">
<ul>
    <li ng-repeat="value in filteredList | filter:querytext>{{value.Name}}</li>
</ul>

它有效！谢谢！