ng-options默认选中
双恩
第一种方法：绑定类型 => $scope.a
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<script src="https://cdn.bootcss.com/angular.js/1.6.6/angular.min.js"></script>
</head>
<body>
<div ng-app="myApp" ng-controller="myCtrl">
<select ng-init="selectPerson=persons['caohui']" ng-model="selectPerson"
ng-options="x for (x,y) in persons">
</select>
<p>
年龄:{{selectPerson.age}}
</p>
<p>
性别:{{selectPerson.sex}}
</p>
<p>
月薪:{{selectPerson.salary}}
</p>
</div>
<script>
var app = angular.module('myApp', []);
app.controller('myCtrl',
function($scope) {
$scope.persons = {
张三: {
age: 27,
sex: 'male',
salary: 10000
},
王二: {
age: 20,
sex: 'male',
salary: 500
},
李四: {
age: 24,
sex: 'female',
salary: 6000
}
}
})
</script>
</body>
</html>第二种方法：绑定类型 => $scope.app.a
<!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Example - example-select-ngrepeat-production</title>
<script src="https://cdn.bootcss.com/angular.js/1.5.0/angular.min.js"></script>
<script>
angular.module('ngrepeatSelect', [])
.controller('ExampleController', ['$scope', function($scope) {
$scope.selectIndex = {a: 1};
$scope.arr = [
{a: '1', value: ' A'},
{a: '2', value: ' B'},
{a: '3', value: 'C'}
];
}]);
</script>
</head>
<body ng-app="ngrepeatSelect">
<div ng-controller="ExampleController">
<form name="myForm">
<label for="repeatSelect"> Repeat select: </label>
<select name="repeatSelect" id="repeatSelect" ng-model="selectIndex.a">
<option ng-repeat="option in arr" value="{{$index}}" ng-value="{{$index}}">{{option.value}}</option>
</select>
</form>
<hr>
<tt>selectIndex = {{selectIndex.a}}</tt>
<br/>
</div>
</body>
</html>
类似资料：