Angularjs自訂指令之省市區三級聯動_

Angularjs自訂指令之省市區三級聯動__js

最後更新：2018-07-28 來源：互聯網

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先上圖

代碼

<!DOCTYPE html>
<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">
    <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

本文章原先以中文撰寫並發佈於 aliyun.com，亦設英文版本，僅作資訊用途。本網站不對文章的準確性，完整性或可靠性或其任何翻譯作出任何明示或暗示的陳述或保證。如對該文章有任何疑慮或投訴，請傳送電郵至 info-contact@alibabacloud.com 並提供相關疑慮或投訴的詳細說明。職員會於 5 個工作天內與您聯絡，一經驗證之後，即會刪除該侵權內容。

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