我正在为将来的项目评估angularjs。我需要做的一件事情是通过选择适当的“页面”无线电输入来显示“频道”信息的不同页面。此外,还可以从一组“页面集”无线电输入中选择页面按钮的范围。
下面的工作示例具有一组32个通道,通过“设置”和“页面”无线电输入的组合选择了可见的通道组,总共提供2 * 4页,每个通道4个通道。
<!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; $scope.channels = [ {"id": "Ch-001"}, {"id": "Ch-002"}, {"id": "Ch-003"}, {"id": "Ch-004"}, {"id": "Ch-005"}, {"id": "Ch-006"}, {"id": "Ch-007"}, {"id": "Ch-008"}, {"id": "Ch-009"}, {"id": "Ch-010"}, {"id": "Ch-011"}, {"id": "Ch-012"}, {"id": "Ch-013"}, {"id": "Ch-014"}, {"id": "Ch-015"}, {"id": "Ch-016"}, {"id": "Ch-017"}, {"id": "Ch-018"}, {"id": "Ch-019"}, {"id": "Ch-020"}, {"id": "Ch-021"}, {"id": "Ch-022"}, {"id": "Ch-023"}, {"id": "Ch-024"}, {"id": "Ch-025"}, {"id": "Ch-026"}, {"id": "Ch-027"}, {"id": "Ch-028"}, {"id": "Ch-029"}, {"id": "Ch-030"}, {"id": "Ch-031"}, {"id": "Ch-032"} ]; } </script> </head> <body ng-controller="Channels"> <p>Set: <input type="radio" name="pageSet" ng-model="pageSet" ng-value="0">1-4</input> <input type="radio" name="pageSet" ng-model="pageSet" ng-value="1">5-8</input> </p> <p>Page: <input type="radio" name="pageNumber" ng-model="pageNumber" ng-value="0">{{pageSet * groupSize + 1}}</input> <input type="radio" name="pageNumber" ng-model="pageNumber" ng-value="1">{{pageSet * groupSize + 2}}</input> <input type="radio" name="pageNumber" ng-model="pageNumber" ng-value="2">{{pageSet * groupSize + 3}}</input> <input type="radio" name="pageNumber" ng-model="pageNumber" ng-value="3">{{pageSet * groupSize + 4}}</input> </p> <ul> <li ng-repeat="channel in channels | limitTo: groupSize * ((groupSize * pageSet) + pageNumber + 1) | limitTo: -groupSize"> <p>{{channel.id}}</p> </li> </ul> </body> </html>
我的问题是如何使用创建页面/页面集单选输入ng-repeat。我已经尝试过以下方法:
ng-repeat
<p>Set: <input ng-repeat="n in [0,1]" type="radio" name="pageSet" ng-model="pageSet" ng-value="{{n}}"></p> <p>Page: <input ng-repeat="n in [0,1,2,3]" type="radio" name="pageNumber" ng-model="pageNumber" ng-value="{{n}}"></p>
看起来正确,但是值未绑定到相应的pageSet / pageNumber变量。谁能告诉我我在这里想念的东西吗?
ng-repeat创建一个子作用域,因此您必须绑定到$ 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>