首页 > Web开发 > 详细

angularjs ng-select ng-options 默认选中项.

时间:2016-02-02 21:34:54      阅读:14258      评论:0      收藏:0      [点我收藏+]
<!DOCTYPE html>
<html ng-app="myApp">
    <head>
        <meta charset="utf-8" />
        <title></title>
    </head>
    <body>
        <div ng-controller="CityController">
            <select ng-model="city" value="city.id" ng-options="city.name for city in cities" >
                <option value="">Choose City</option>
            </select>
            <span ng-bind-template="Best City:{{city.name}},id:>>{{city.id}}">
            </span>
        </div>
    </body>
    <script type="text/javascript" src="js/angularJs-1.2.16-min.js" ></script>
    <script type="text/javascript">
        angular.module("myApp",[])
        .controller("CityController",function($scope){
            
            $scope.cities=[
                {name:"合肥",id:2},
                {name:"北京",id:3},
                {name:"上海",id:4},
                {name:"舒城",id:5},
                {name:"纽约",id:6},
                {name:"络上几",id:7}
            ];
            
            for(var i in $scope.cities){
                if($scope.cities[i].id==4){//将d是4的城市设为选中项.
                    $scope.city=$scope.cities[i];
                    break;
                }
            }
        });
        
        
    </script>
</html>

技术分享

注意:

1.这里的的value不是我们给的值.而是循环的索引.

2.ng-model绑定我们的选中项.

3.默认选中项要在controler中指定,并且要和ng-model关联.

angularjs ng-select ng-options 默认选中项.

原文:http://www.cnblogs.com/guoyansi19900907/p/5178517.html

(3)
(1)
   
举报
评论 一句话评论(0
关于我们 - 联系我们 - 留言反馈 - 联系我们:wmxa8@hotmail.com
© 2014 bubuko.com 版权所有
打开技术之扣,分享程序人生!