search

Home  >  Article  >  Web Front-end  >  Detailed explanation of the steps to implement select secondary linkage drop-down menu in AngularJS

Detailed explanation of the steps to implement select secondary linkage drop-down menu in AngularJS

php中世界最好的语言
php中世界最好的语言Original
2018-05-19 14:17:292450browse

This time I will bring you AngularJSRealize select secondary linkageDrop-down menuDetailed step-by-step explanation, AngularJS implements select secondary linkage drop-down menuNotes What are they? Here are actual cases. Let’s take a look. 

<!DOCTYPE html>
<html ng-app>
<head lang="en">
  <meta charset="UTF-8">
  <title></title>
</head>
<script src="../script/angular.js"></script>
<body ng-controller="Controller">
<p>所属分类：
  <select ng-model="selected1" ng-options="m.roleName for m in classification1" ng-change="changeClassification(selected1)">
    <option value="">-- 请选择 --</option>
  </select>
  <select ng-model="selected2" ng-options="m.roleName for m in classification2">
    <option value="">-- 请选择 --</option>
  </select>
</p>
</body>
<script>
  var contantCroleList = [
    { "roleName" : "软件开发", "roleId" : "role1", "children" : [
      { "roleName" : "软件AAA", "roleId" : "role11", "children" : [] },
      { "roleName" : "软件BBB", "roleId" : "role12", "children" : []},
      { "roleName" : "软件CCC", "roleId" : "role12", "children" : []},
      { "roleName" : "软件DDD", "roleId" : "role12", "children" : []},
      { "roleName" : "软件EEE", "roleId" : "role12", "children" : []},
      { "roleName" : "软件FFF", "roleId" : "role12", "children" : []}
    ]},
    { "roleName" : "硬件开发", "roleId" : "role2", "children" : [
      { "roleName" : "硬件AAA", "roleId" : "role21", "children" : [] },
      { "roleName" : "硬件BBB", "roleId" : "role22", "children" : []},
      { "roleName" : "硬件CCC", "roleId" : "role23", "children" : []},
      { "roleName" : "硬件DDD", "roleId" : "role24", "children" : []},
      { "roleName" : "硬件EEE", "roleId" : "role25", "children" : []},
      { "roleName" : "硬件FFF", "roleId" : "role26", "children" : []}
    ]},
    { "roleName" : "嵌入式开发", "roleId" : "role3", "children" : [
      { "roleName" : "嵌入式AAA", "roleId" : "role31", "children" : [] },
      { "roleName" : "嵌入式BBB", "roleId" : "role32", "children" : []},
      { "roleName" : "嵌入式CCC", "roleId" : "role33", "children" : []},
      { "roleName" : "嵌入式DDD", "roleId" : "role34", "children" : []},
      { "roleName" : "嵌入式EEE", "roleId" : "role35", "children" : []},
      { "roleName" : "嵌入式FFF", "roleId" : "role36", "children" : []}
    ]}
  ];
  function Controller($scope) {
    $scope.classification1 = contantCroleList;
    $scope.changeClassification = function (selected1) {
      $scope.classification2 = selected1.children;
    };
  }
</script>
</html>

I believe you have mastered the method after reading the case in this article. For more exciting information, please pay attention to other related articles on the php Chinese website!

The above is the detailed content of Detailed explanation of the steps to implement select secondary linkage drop-down menu in AngularJS. For more information, please follow other related articles on the PHP Chinese website!

php select
Statement：
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
Previous article：How to calculate the length of the obtained object in JSNext article：How to calculate the length of the obtained object in JS

Related articles

See more