angularjs select 赋值 ng-options配置方式
数组方式
数据是数组
$scope.years = [2014,2015,2016];
页面元素
<select ng-model="item" ng-options="item as y for y in years">
</select>
$scope.item = 2016;
$scope.years = [2014,2016];
对象数组方式
数据是对象数组
$scope.sites = [
{site : "baidu",url : "https://www.baidu.com"},{site : "163",url : "http://www.163.com"},{site : "sina",url : "http://www.sina.com"}
];
页面元素
<select ng-model="s.site" ng-options="s.site as s.site group by site.group for s in sites">
</select>
$scope.site = "163";
$scope.sites = [
{site : "baidu",url : "http://www.sina.com"}
];
Key-Vules对象数组方式
数据是对象数组
$scope.cars = {
car1 : {brand : "BYD",model : "Y50",color : "red"},car2 : {brand : "CC",model : "HF",color : "white"},car3 : {brand : "JL",model : "JL10D",color : "black"}
};
页面元素
<select ng-model="myCar" ng-options="y.brand for (x,y) in cars">
</select>
$scope.site = "BYD";
$scope.cars = {
car1 : {brand : "BYD",color : "black"}
};
angularjs ng-options官方API
数组类型:
label for value in array
select as label for value in array
label group by group for value in array
select as label group by group for value in array track by trackexpr
对象类型:
label for (key,value) in object
select as label for (key,value) in object
label group by group for (key,value) in object
select as label group by group for (key,value) in ob
原文地址:https://www.jb51.cc/angularjs/148376.html
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