我有一个美国各州的下拉列表,它是通过调用我们的 Web API 填充的。我有一个填写用户详细信息的编辑页面,我需要将该下拉列表绑定(bind)到用户信息中的状态。我确信这与 ng-options 有关,但我不知道如何实现它。
这是我的下拉列表 HTML:
<select data-ng-model="form.vchOfficeStateVchID" ng-options="s as s.StateVchID for s in userdetails.vchOfficeStateVchID" style="height:25px">
<option value="">--Select State--</option>
<option ng-repeat="state in states" value="state.StateVchID">{{state.StateVchID}}</option>
</select>
我的 Controller 中填充下拉列表的函数是:
getStates();
function getStates() {
operatorService.getallstates()
.success(function (data) {
$scope.states = data;
});
};
它返回一个数组,其中状态缩写作为其键“StateVchID”(我没有创建此数据库)。
用户信息通过以下函数返回到 Controller 中:
$scope.showDetails = function (user) {
$scope.noUser = false;
var userid = user.UserID;
operatorService.getuserdetails(userid)
.success(function (data) {
$scope.userdetails = data;
$scope.form.vchOfficeStateVchID = userdetails.vchOfficeStateVchID;
$scope.form.vchOfficeCountryVchID = userdetails.vchOfficeCountryVchID;
});
$scope.viewUser = true;
};
在用户详细信息中,状态缩写保存在 vchOfficeStateVchID 字段中。
如何让下拉列表显示用户的正确状态?基本上,我需要 state.StateVchID = userdetails.vchOfficeStateVchID。
非常感谢任何帮助!
最佳答案
看看this示例:
HTML
<div ng-app="myApp" ng-controller="myController">
<select name="vchOfficeStateVchID" ng-model="form.vchOfficeStateVchID" ng-options="s.StateVchID as s.Name for s in states">
<option value="">--Select State--</option>
</select>
<br/>
<div>
<h3>
Selected ID:
</h3>
{{form.vchOfficeStateVchID}}
</div>
</div>
JavaScript
var app = angular.module("myApp", []);
app.controller("myController", ["$scope", function($scope){
$scope.userdetails = {
vchOfficeStateVchID: 3
}
$scope.form = {};
$scope.states = [
{
Name: "New York",
StateVchID: 1
},
{
Name: "Texas",
StateVchID: 2
},
{
Name: "Las Vegas",
StateVchID: 3
},
{
Name: "Hawaii",
StateVchID: 4
}
];
$scope.form.vchOfficeStateVchID = $scope.userdetails.vchOfficeStateVchID;
}]);
关于javascript - 服务器提供的下拉列表中的 Angular 默认值,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/34211737/