我正在为未来的项目评估angularjs。我需要做的一件事就是显示" channel"的不同页面。选择适当的"页面"无线电输入。此外,页面按钮的范围也可以从一组"页面集合中选择。无线电输入。
下面的工作示例包含一组32个频道,通过组合" set"选择可见的频道组。和"页面"无线电输入,总共提供2 * 4页,每个4通道。
<!doctype html>
<html ng-app>
<head>
<script type="text/javascript" src="angular.js"></script>
<script type="text/javascript">
function Channels($scope) {
$scope.groupSize = 4;
$scope.pageSet = 0;
$scope.pageNumber = 0;
$scope.channels = [
{"id": "Ch-001"}, {"id": "Ch-002"}, {"id": "Ch-003"}, {"id": "Ch-004"},
{"id": "Ch-005"}, {"id": "Ch-006"}, {"id": "Ch-007"}, {"id": "Ch-008"},
{"id": "Ch-009"}, {"id": "Ch-010"}, {"id": "Ch-011"}, {"id": "Ch-012"},
{"id": "Ch-013"}, {"id": "Ch-014"}, {"id": "Ch-015"}, {"id": "Ch-016"},
{"id": "Ch-017"}, {"id": "Ch-018"}, {"id": "Ch-019"}, {"id": "Ch-020"},
{"id": "Ch-021"}, {"id": "Ch-022"}, {"id": "Ch-023"}, {"id": "Ch-024"},
{"id": "Ch-025"}, {"id": "Ch-026"}, {"id": "Ch-027"}, {"id": "Ch-028"},
{"id": "Ch-029"}, {"id": "Ch-030"}, {"id": "Ch-031"}, {"id": "Ch-032"}
];
}
</script>
</head>
<body ng-controller="Channels">
<p>Set:
<input type="radio" name="pageSet" ng-model="pageSet" ng-value="0">1-4</input>
<input type="radio" name="pageSet" ng-model="pageSet" ng-value="1">5-8</input>
</p>
<p>Page:
<input type="radio" name="pageNumber" ng-model="pageNumber" ng-value="0">{{pageSet * groupSize + 1}}</input>
<input type="radio" name="pageNumber" ng-model="pageNumber" ng-value="1">{{pageSet * groupSize + 2}}</input>
<input type="radio" name="pageNumber" ng-model="pageNumber" ng-value="2">{{pageSet * groupSize + 3}}</input>
<input type="radio" name="pageNumber" ng-model="pageNumber" ng-value="3">{{pageSet * groupSize + 4}}</input>
</p>
<ul>
<li ng-repeat="channel in channels | limitTo: groupSize * ((groupSize * pageSet) + pageNumber + 1) | limitTo: -groupSize">
<p>{{channel.id}}</p>
</li>
</ul>
</body>
</html>
我的问题是如何使用ng-repeat
创建页面/页面集无线电输入。我尝试过以下方法:
<p>Set: <input ng-repeat="n in [0,1]" type="radio" name="pageSet" ng-model="pageSet" ng-value="{{n}}"></p>
<p>Page: <input ng-repeat="n in [0,1,2,3]" type="radio" name="pageNumber" ng-model="pageNumber" ng-value="{{n}}"></p>
看起来正确,但值不会绑定到相应的pageSet / pageNumber变量。谁能说出我在这里失踪的东西?
答案 0 :(得分:171)
ng-repeat创建子范围,因此您必须绑定到$ parent:
这是一个小提琴:http://jsfiddle.net/g/r9MLe/2/
样品:
<p>Set:
<label ng-repeat="n in [0,1]">
<input type="radio" name="pageSet" ng-model="$parent.pageSet" ng-value="n" />{{n}}
</label>
</p>
<p>Page:
<label ng-repeat="n in [0,1,2,3]">
<input type="radio" name="pageNumber" ng-model="$parent.pageNumber" ng-value="n" /> {{n}}
</label>
</p>
答案 1 :(得分:6)
使用JSON中的值有什么问题?
<table>
<tr ng-repeat="v in partneradd.verifications">
<td>{{v.label}}</td>
<td>
<div class="radio-inline">
<label>
<input type="radio" name="{{v.value}}" value="required"> Required
</label>
</div>
</td>
<td>
<div class="radio-inline">
<label>
<input type="radio" name="{{v.value}}" value="optional"> Optional
</label>
</div>
</td>
</tr>
</table>
来自数据:
vm.verifications = [
{
"label" : "Valid last line (USPS only)",
"value" : "vll",
"type" : "optional"
},
{
"label" : "Domestic recipient",
"value" : "dr",
"type" : "optional"
},
];
答案 2 :(得分:3)
这是一个简单的例子。希望一切都清楚。
参数name
在单选按钮中是必需的(用于检查组中的一个按钮的能力)。
HTML:
<form name="myForm" ng-controller="MyCtrl">
<p>Favorite Beatle</p>
<ul>
<li ng-repeat="person in people">
<label>
<input type="radio" ng-model="$parent.name" name="name" value="{{person.name}}" required />{{person.name}}
</label>
</li>
</ul>
<p><tt>myForm.$invalid: {{myForm.$invalid}}</tt></p>
<button ng-disabled="myForm.$invalid">Submit</button>
</form>
使用Javascript:
function MyCtrl($scope) {
$scope.people = [{
name: "John"
}, {
name: "Paul"
}, {
name: "George"
}, {
name: "Ringo"
}];
}