<!DOCTYPE HTML> <html> <head> <meta charset="UTF-8"> <title>angularjs select 三級聯動</title> <script type="text/javascript" src="http://cdn.angularjs.cn/angularjs/1.3.0-beta.17/angular.js"></script> <style type="text/css"> label { padding: 5px 10px; border: 1px solid #fff; } .error { border-color: #f00; } </style> </head> <body> <div ng-controller='cityCtrl'> <label ng-class="{error: error.province}" > 省份: <select ng-model="selected" ng-options="s.name for s in list" ng-change="c()" > <option value="">--請選擇--</option> </select> </label> <label ng-show="selected.child.length" ng-class="{error: error.city}"> 市/區: <select ng-model="selected2" ng-options="sh.name for sh in selected.child" ng-change="c2()" > <option value="">--請選擇--</option> </select> </label> <label ng-show="selected2.child.length" ng-class="{error: error.area}"> 縣級/區域: <select ng-model="selected3" ng-options="x.value for x in selected2.child" ng-change="c3()" > <option value="">--請選擇--</option> </select> </label> <input type="submit" value="subimt" ng-click="submit()" /> <br /> {{selected.name}} {{selected2.name}} {{selected3.value}} </div> <script type="text/javascript"> var app = angular.module('app', []); app.controller('cityCtrl', ['$scope', '$http', function ($scope, $http) { $scope.error = {}; $scope.list = []; $http.get('list.json').success(function (data) { $scope.list = data; }); $scope.c = function () { $scope.error.province = false; $scope.error.city = false; $scope.error.area = false; $scope.selected2 = ""; $scope.selected3 = ""; }; $scope.c2 = function () { $scope.error.city = false; $scope.error.area = false; $scope.selected3 = ""; }; $scope.c3 = function () { $scope.error.area = false; }; $scope.submit = function () { $scope.error.province = $scope.selected ? false : true; $scope.error.city = $scope.selected2 ? false : true; $scope.error.area = $scope.selected3 ? false : true; }; }]); angular.bootstrap(document, ['app']); </script> </body> </html>
list.json文件:javascript
[ { "id": 0, "name": "北京", "code": "001", "child": [ { "id": 0, "name": "東城區", "child": [] }, { "id": 1, "name": "西城區", "child": [] }, { "id": 2, "name": "崇文區", "child": [] }, { "id": 3, "name": "宣武區", "child": [] }, { "id": 4, "name": "朝陽區", "child": [] }, { "id": 5, "name": "豐臺區", "child": [] } ] }, { "id": 1, "name": "廣西", "code": "002", "child": [ { "id": 0, "name": "南寧", "child": [ {"value": "興寧區"}, {"value": "青秀區"}, {"value": "江南區"}, {"value": "西鄉塘區"}, {"value": "良慶區"}, {"value": "邕寧區"}, {"value": "武鳴縣"}, {"value": "隆安縣"} ] }, { "id": 1, "name": "柳州", "child": [ {"value": "城中區"}, {"value": "魚峯區"}, {"value": "柳南區"}, {"value": "柳北區"} ] }, { "id": 2, "name": "桂林", "child": [ {"value": "秀峯區"}, {"value": "疊彩區"}, {"value": "象山區"} ] }, { "id": 3, "name": "百色", "child": [ {"value": "右江區"}, {"value": "平果縣"}, {"value": "田陽縣"}, {"value": "田東縣"}, {"value": "德保縣"} ] } ] }, { "id": 2, "name": "廣東", "code": "003", "child": [ { "id": 0, "name": "廣州", "child": [ {"value": "天河區"}, {"value": "白雲區"}, {"value": "黃埔區"} ] }, { "id": 1, "name": "深圳", "child": [ {"value": "寶安區"}, {"value": "南山區"}, {"value": "福田區"} ] }, { "id": 2, "name": "珠海", "child": [] } ] } ]