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Example of provincial and municipal secondary linkage functions implemented by AngularJS

Jan 02, 2018 pm 03:58 PM

angularjs javascript Linkage

This article mainly introduces the provincial and municipal secondary linkage functions implemented by AngularJS, which involves event monitoring, response and dynamic operation of page elements. In addition, it also has the function of adding and deleting options. Friends who need it can refer to it. I hope it can help. to everyone.

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&lt;!DOCTYPE html&gt; 
&lt;html&gt; 
&lt;head&gt; 
 &lt;meta charset=&quot;UTF-8&quot;&gt; 
 &lt;title&gt;www.jb51.net 省市二级联动&lt;/title&gt; 
&lt;/head&gt; 
&lt;style&gt; 
 *{ 
  margin:0; 
  padding:0; 
 } 
 .ul{ 
  list-style:none; 
  display:inline-block; 
 } 
 .selectOption ul li{ 
  display:inline-block; 
  width:50px; 
  padding:5px; 
 } 
 ul li:hover{ 
  background-color:#59C0F3; 
  color:#fff; 
  cursor:pointer; 
 } 
 .container{ 
  display:inline-block; 
 } 
 dl{ 
  display: inline-block; 
 } 
 dl dt{ 
  display: inline-block; 
 } 
 .container{ 
  position:relative; 
  text-align: left; 
  vertical-align:top; 
 } 
 .selectBoder{ 
  width:150px; 
  height:20px; 
  margin:0 auto; 
  margin-bottom:5px; 
  cursor:pointer; 
  border:1px solid #808080; 
  padding:2px 5px; 
  font-size:14px; 
 } 
 .selectBoder:hover{ 
  border-color:#59C0F3; 
 } 
 .selectOption:before{ 
  width: 0; 
  height: 0; 
  border-bottom: 50px solid #ffffff; 
  border-left: 50px solid transparent; 
  border-right: 50px solid transparent; 
 } 
 .selectOption{ 
  font-size:14px; 
  position:absolute; 
  background-color: #ffffff; 
  z-index:9999; 
  border:1px solid #eee; 
  width:360px; 
  padding:3px 5px; 
  box-shadow: 5px 5px 10px #888888; 
 } 
 .button{ 
  width:30px; 
  height:30px; 
  display: inline-block; 
  background-color:#59C0F3; 
  text-align:center; 
  line-height: 25px; 
  cursor:pointer; 
  font-size:24px; 
  color:#fff; 
  margin:0 5px; 
  border-radius:30px; 
 } 
 .button:hover{ 
  background-color:#12bb16; 
 } 
&lt;/style&gt; 
&lt;body ng-app=&quot;myApp&quot; ng-controller=&quot;myControl&quot;&gt; 
&lt;p ng-repeat = &quot;option in options&quot;&gt; 
&lt;p&gt; 
 &lt;dl&gt; 
  &lt;dd ng-click=&quot;choseP($index)&quot; ng-value=&quot;false&quot;&gt;{{option.province}}&lt;/dd&gt; 
  &lt;dt ng-if=&quot;option.ifShowProvince&quot; ng-mouseleave=&quot;leaveProvince(option)&quot;&gt; 
  &lt;ul&gt; 
   &lt;li ng-repeat = &quot; x in province&quot; ng-value=&quot;x.value&quot; ng-click=&quot;choseProvince($event.target,option)&quot; data-name=&quot;{{x.name}}&quot;&gt;{{x.name}}&lt;/li&gt; 
  &lt;/ul&gt; 
  &lt;/dt&gt; 
 &lt;/dl&gt; 
&lt;/p&gt; 
&lt;p&gt; 
 &lt;dl&gt; 
  &lt;dd ng-click=&quot;choseC($index)&quot; ng-value=&quot;false&quot;&gt;{{option.city}}&lt;/dd&gt; 
  &lt;dt ng-if=&quot;option.ifShowCity&quot; ng-mouseleave=&quot;leaveCity(option)&quot;&gt; 
  &lt;ul&gt; 
   &lt;li ng-repeat = &quot;y in option.cities&quot; ng-value=&quot;y.value&quot; ng-click=&quot;choseCity($event.target,option)&quot; data-name=&quot;{{y.name}}&quot;&gt;{{y.name}}&lt;/li&gt; 
  &lt;/ul&gt; 
  &lt;/dt&gt; 
 &lt;/dl&gt; 
&lt;/p&gt; 
  &lt;span ng-click=&quot;addChose($index)&quot;&gt;+&lt;/span&gt; 
 &lt;span ng-click=&quot;deleteChose($index)&quot;&gt;-&lt;/span&gt; 
&lt;/p&gt; 
&lt;/p&gt; 
&lt;/body&gt; 
&lt;script type=&quot;text/javascript&quot; src=&quot;../js/jquery-1.8.3.js&quot;&gt;&lt;/script&gt; 
&lt;script type=&quot;text/javascript&quot; src=&quot;../js/angular.min.js&quot;&gt;&lt;/script&gt; 
&lt;script type=&quot;text/javascript&quot;&gt; 
 var app = angular.module(&#39;myApp&#39;,[]); 
 app.controller(&#39;myControl&#39;,function($scope){ 
  $scope.ifShowCity = false; 
  $scope.ifShowProvince = false; 
  $scope.options =[{index:&quot;0&quot;,ifShowCity:false,ifShowProvince:false,province:&quot;&quot;,city:&quot;&quot;,cities:&quot;&quot;}]; 
  $scope.leaveProvince = function(option){ 
   $.each($scope.options,function(index,item){ 
    if(option == $scope.options[index]){ 
     $scope.optionIndex = index; 
    } 
   }) 
   $scope.options[$scope.optionIndex].ifShowProvince = false; 
  } 
  $scope.leaveCity = function(option){ 
   $.each($scope.options,function(index,item){ 
    if(option == $scope.options[index]){ 
     $scope.optionIndex = index; 
    } 
   }) 
   $scope.options[$scope.optionIndex].ifShowCity = false; 
  } 
  $scope.choseProvince = function(target,option){ 
   $.each($scope.options,function(index,item){ 
    if(option == $scope.options[index]){ 
     $scope.optionIndex = index; 
    } 
   }) 
   $scope.options[$scope.optionIndex].ifShowProvince = false; 
   $scope.options[$scope.optionIndex].province = target.getAttribute(&quot;data-name&quot;); 
   $.each($scope.province,function(index,item){ 
    if(item.value == target.getAttribute(&quot;value&quot;)){ 
     $scope.options[$scope.optionIndex].cities = item.children; 
     } 
    } 
   ) 
  } 
  $scope.choseCity = function(target,option){ 
   $.each($scope.options,function(index,item){ 
    if(option == $scope.options[index]){ 
     $scope.optionIndex = index; 
    } 
   }) 
   $scope.options[$scope.optionIndex].ifShowCity = false; 
   $scope.options[$scope.optionIndex].city = target.getAttribute(&quot;data-name&quot;); 
  } 
  function getPrarms(){ 
   return $scope.options; 
  } 
  $scope.sub = function(){ 
   getPrarms(); 
  } 
  $scope.province = 
    [{ 
   name: &quot;湖北省&quot;, 
   value: &quot;01&quot;, 
   children: [{ 
    name: &quot;武汉&quot;, 
    value: &quot;0101&quot; 
   }, { 
    name: &quot;黄冈&quot;, 
    value: &quot;0102&quot; 
   }, { 
    name: &quot;荆州&quot;, 
    value: &quot;0103&quot; 
   }, { 
    name: &quot;十堰&quot;, 
    value: &quot;0104&quot; 
   }, { 
    name: &quot;黄石&quot;, 
    value: &quot;0105&quot; 
   }, { 
    name: &quot;鄂州&quot;, 
    value: &quot;0106&quot; 
   }, { 
    name: &quot;咸宁市&quot;, 
    value: &quot;0107&quot; 
   }, { 
    name: &quot;襄阳市&quot;, 
    value: &quot;0108&quot; 
   } 
   ] 
  },{ 
   name: &quot;广东省&quot;, 
   value: &quot;02&quot;, 
   children: [{ 
    name: &quot;广东&quot;, 
    value: &quot;0201&quot; 
   }, { 
    name: &quot;深圳&quot;, 
    value: &quot;0202&quot; 
   }, { 
    name: &quot;佛山&quot;, 
    value: &quot;0203&quot; 
   }, { 
    name: &quot;惠州&quot;, 
    value: &quot;0204&quot; 
   }, { 
    name: &quot;东莞&quot;, 
    value: &quot;0205&quot; 
   }] 
   },{ 
    name: &quot;河北省&quot;, 
    value: &quot;03&quot;, 
    children: [{ 
     name: &quot;北京&quot;, 
     value: &quot;0301&quot; 
    }, { 
     name: &quot;邯郸&quot;, 
     value: &quot;0302&quot; 
    }, { 
     name: &quot;邢台&quot;, 
     value: &quot;0303&quot; 
    }, { 
     name: &quot;保定&quot;, 
     value: &quot;0304&quot; 
    }, { 
     name: &quot;秦皇岛&quot;, 
     value: &quot;0305&quot; 
    } 
    ]} 
     ] 
  $scope.choseP = function($index){ 
   $scope.options[$index].ifShowProvince = !$scope.options[$index].ifShowProvince; 
   $scope.options[$index].ifShowCity = false; 
  } 
  $scope.choseC = function($index){ 
   $scope.options[$index].ifShowCity = !$scope.options[$index].ifShowCity; 
   $scope.options[$index].ifShowProvince = false; 
  } 
  $scope.addChose = function($index){ 
   if($scope.options.length &lt; 10){ 
    $scope.options.splice($scope.options.length,0,{ //从最后面添加内容 
     index:$scope.options.length,ifShowCity:false,ifShowProvince:false 
    }); 
    $scope.canDelete = true; 
   }else{ 
    $scope.canAdd = false; 
   } 
  } 
  $scope.deleteChose = function($index){ 
   if($scope.options.length &gt;1){ 
    $scope.options.splice($index,1); //从当前行删除。 
   } 
   if($index == 1){ 
    $scope.canDelete = false; 
   } 
  } 
 }); 
&lt;/script&gt; 
&lt;/html&gt;

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