angularjs select 赋值 ng-options配置方法
编程学习 2021-07-04 17:33www.dzhlxh.cn编程入门
狼蚁网站SEO优化长沙网络推广就为大家分享一篇angularjs select 赋值 ng-options配置方法，具有很好的参考价值，希望对大家有所帮助。一起跟随长沙网络推广过来看看吧
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>
设置默认值
如果需要设置默认的选项，可以先设置一个参数：
$scope.item = 2016; $scope.years = [2014, 2015, 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>
设置默认值
如果需要设置默认的选项，可以先设置一个参数：
$scope.site = "163";
$scope.sites = [
{site : "baidu", url : "https://www.baidu.com"},
{site : "163", url : "http://www.163.com"},
{site : "sina", 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>
设置默认值
如果需要设置默认的选项，可以先设置一个参数：
$scope.site = "BYD";
$scope.cars = {
car1 : {brand : "BYD", model : "Y50", color : "red"},
car2 : {brand : "CC", model : "HF", color : "white"},
car3 : {brand : "JL", model : "JL10D", 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
以上这篇angularjs select 赋值 ng-options配置方法就是长沙网络推广分享给大家的全部内容了，希望能给大家一个参考，也希望大家多多支持狼蚁SEO。