易网时代-编程资源站
易网时代-编程资源站 
代码
<html lang="zh-CN" ng-app="myApp"> <head> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <meta name="viewport" content="width=device-width, initial-scale=1"> <script src="jquery.min.js"></script> <script src="angular.js"></script> <script src="bootstrap.min.js"></script> <link rel="stylesheet" href="bootstrap.min.css" rel="external nofollow" > <style type="text/css">select {width : 116px;}.selectLocation select {display: block;float: left;margin-bottom: 2px;} </style> <script type="text/javascript">var myApp = angular.module（"myApp", []）;myApp.controller（"Ctrl", ["$scope", "utilsService", function（$scope, utilsService）{$scope.location = "";$scope.$watch（"location", function（newValue） { console.log（newValue） console.log（utilsService.isEmptyObj（newValue））}）// if （isEmptyObj（$scope.location）） {// //error// }}]）;myApp.factory（"utilsService", function（） {return { isEmptyObj : function（obj） { var flag = true; for（var i in obj） {if （obj[i] ！= ""） {flag = false;break;} } return flag; }}}）myApp.directive（"custLocation", ["$http", function（$http） {return { restrict: "A", scope: { ngModel : "=" }, templateUrl: "tmpl.html", link: function（scope, elem, attrs） { scope.country = ""; scope.province = ""; scope.city = ""; scope.detailAddress = ""; $http.get（"location.json"）.success（function（data） {scope.countryList = data.country; }）; scope.$watch（"detailAddress", function（newValue） {// console.log（scope.country.name + scope.province.name + scope.city + newValue）scope.ngModel = {"country" : scope.country == null || scope.country == "" ? "" : scope.country.name,"province" : scope.province == null || scope.province == "" ? "" : scope.province.name,"city" : scope.city || "","detailAddress" : newValue}; }）; scope.changeCountry = function（） {if （scope.country == null） {scope.country = "";scope.province = "";scope.city = "";scope.detailAddress = "";scope.ngModel = "";} else {scope.ngModel = { "country" : scope.country.name, "province" : scope.province == null || scope.province == "" ? "" : scope.province.name, "city" : scope.city || "", "detailAddress" : scope.detailAddress};} } scope.changeProvince = function （） {scope.ngModel = {"country" : scope.country.name,"province" : scope.province == null || scope.province == "" ? "" : scope.province.name,"city" : scope.city || "","detailAddress" : scope.detailAddress}; } scope.changeCity = function（） {scope.ngModel = {"country" : scope.country.name,"province" : scope.province == null || scope.province == "" ? "" : scope.province.name,"city" : scope.city || "","detailAddress" : scope.detailAddress}; } }};}]）; </script> </head> <body ng-controller="Ctrl"> <div cust-location ng-model="location"></div> </body></html>tmpl.html<div class="selectLocation"> <div><select class="btn btn-info btn-sm" ng-change="changeCountry（）" ng-model="country" ng-options="C.name for C in countryList"><option value="">国家</option> </select> </div><div><select class="btn btn-info btn-sm" ng-change="changeProvince（）" ng-model="province" ng-options="p.name for p in country.province"><option value="">省份/直轄市</option> </select> </div> <div><select class="btn btn-info btn-sm" ng-change="changeCity（）" ng-model="city" ng-options="c for c in province.city"><option value="">市</option> </select></div> <div style="width:348px;"> <input type="text" class="form-control" ng-model="detailAddress" placeholder="详细地址" ng-disabled="country=="" || country==null" /> </div></div>以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持脚本之家。