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  • ng-show ng-disabled ng-show ng-hide 值的布尔值改变时,状态发生变化

    <!DOCTYPE html>
    <html ng-app="myApp4">
    <head lang="en">
      <meta charset="UTF-8">
      <link rel="stylesheet" href="css/bootstrap.css"/>
      <title></title>
    </head>
    <body>
    <div class="container">
      <h1>四大特性之二:双向数据绑定</h1>
      <div ng-controller="myCtrl4">
    
        <hr>
        <h2>是否同意注册条款</h2>
    
        <form action="">
          <div class="form-group">
            <label for="uname">用户名:</label>
            <input type="text" class="form-control" id="uname"/>
          </div>
          <div class="form-group">
            <label for="upwd">用户名:</label>
            <input type="text" class="form-control" id="upwd"/>
          </div>
          <div class="checkbox">
            <label>
              <input ng-model="agree" type="checkbox"/>我同意本站的使用条款{{agree}}
            </label>
          </div>
          <input ng-disabled="!agree" class="btn btn-success" type="button" value="注册"/>
        </form>
    
        <h2>选择头像</h2>
        请选择:
          <select ng-model="headPic">
            <option value="">—请选择—</option>
            <option value="2.jpg">大漠戈壁</option>
            <option value="3.jpg">花团锦簇</option>
            <option value="4.jpg">我逗你玩</option>
          </select>
        <img ng-show="headPic" ng-src="img/{{headPic}}" alt=""/>
    
        <h2>全选/取消全选</h2>
        <table class="table table-bordered">
          <thead>
          <tr>
            <th>选择</th>
            <th>姓名</th>
            <th>工资</th>
            <th>生日</th>
            <th>操作</th>
          </tr>
          </thead>
          <tbody>
          <tr ng-repeat="e in empList">
            <td>
              <input ng-checked="selectAll" type="checkbox"/>
            </td>
            <td>{{e.ename | uppercase}}</td>
            <td>{{e.salary | currency : '€'}}</td>
            <td>{{e.birthday | date : 'yyyy-MM-dd HH:mm:ss'}}</td>
            <td>
              <button class="btn btn-danger btn-xs">删除</button>
            </td>
          </tr>
          </tbody>
        </table>
    
        <input type="checkbox" ng-model="selectAll">
        <span ng-hide="selectAll">全选</span>
        <span ng-show="selectAll">取消全选</span>
      </div>
    </div>
    
    <br><br><br><br><br><br><br><br><br><br><br><br>
    <script src="js/angular.js"></script>
    <script>
      angular.module('myApp4', ['ng'])
        .controller('myCtrl4', function ($scope) {
    
          $scope.$watch('agree', function(){
            console.log('$scope.agree模型数据改变了:'+$scope.agree);
          })
    
          $scope.$watch('headPic', function(){
            console.log('$scope.headPic模型数据改变了:'+$scope.headPic);
          })
    
          $scope.empList = [
            {'ename':'Tom', salary:134567, birthday:4413432432457},
            {'ename':'Mary', salary:2473242, birthday:2244789237345},
            {'ename':'John', salary:734636434, birthday:7623881273894},
            {'ename':'Scott', salary:1234567890.123456, birthday:632938744382}
          ];
        })
    </script>
    </body>
    </html>
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  • 原文地址:https://www.cnblogs.com/yexiangwang/p/4989792.html
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