AngularJS中控制器函数的定义与使用方法示例

本文实例讲述了AngularJS中控制器函数的定义与使用方法。分享给大家供大家参考，具体如下：

HTML正文:

AngularJS函数绑定

<p>
<button ng-click="save()">保存</button>
<button ng-click="clear()">清除</button>
</p>
<p>剩余字数: <span ng-bind="left()"></span></p>

<div ng-show="flag">
结果：<font color="red"><span ng-bind="result"></span></font>
</div>
</pre>
</div>
<p>Javascript操作<a href="https://www.jb51.cc/tag/daima/" target="_blank" class="keywords">代码</a>：</p>
<div class="jb51code">
<pre class="brush:js;">
/**
 * AngularJS将<a href="https://www.jb51.cc/tag/shuxing/" target="_blank" class="keywords">属性</a>和<a href="https://www.jb51.cc/tag/hanshu/" target="_blank" class="keywords">函数</a>直接看作是controller的平等成员，
 * 可以<a href="https://www.jb51.cc/tag/diaoyong/" target="_blank" class="keywords">调用</a><a href="https://www.jb51.cc/tag/hanshu/" target="_blank" class="keywords">函数</a>按照普通的<a href="https://www.jb51.cc/tag/shuxing/" target="_blank" class="keywords">属性</a>的<a href="https://www.jb51.cc/tag/diaoyong/" target="_blank" class="keywords">调用</a>方式即可(knockout avalon 部分Jquery<a href="https://www.jb51.cc/tag/chajian/" target="_blank" class="keywords">插件</a>也是使用这种方式定义<a href="https://www.jb51.cc/tag/hanshu/" target="_blank" class="keywords">函数</a>)
 */
var app = angular.module("myApp",[]);
app.controller("myCtrl",function($scope) {
  $scope.message = "";
  $scope.result="";
  $scope.flag=false;
  $scope.left = function() {return 100 - $scope.message.length;};
  $scope.clear = function() {
    $scope.message = "";
    $scope.result= $scope.message;
    $scope.flag=false;
  };
  $scope.save = function() {
     $scope.result= $scope.message;
     $scope.flag=true;
  };
});
</pre>
</div>
<p><a href="https://www.jb51.cc/tag/xiaoguo/" target="_blank" class="keywords">效果</a>：</p>
<p><p class="pic_center"><img src="https://files.jb51.cc/file_images/article/201710/20171010120409064.png?201791012204" alt="" /></p></p>
<p>更多关于AngularJS相关<a href="https://www.jb51.cc/tag/neirong/" target="_blank" class="keywords">内容</a>感兴趣的读者可查看本站专题：《<a target="_blank" href="//www.jb51.cc/Special/919.htm">AngularJS指令操作技巧总结</a>》、《<a target="_blank" href="//www.jb51.cc/Special/893.htm">AngularJS入门与进阶教程</a>》及《<a target="_blank" href="//www.jb51.cc/Special/898.htm">AngularJS MVC架构总结</a>》</p>
<p>希望本文所述对大家AngularJS程序设计有所帮助。</p><i class="glyphicon glyphicon-link"></i> 原文链接：https://www.f2er.com/js/35912.html</div>
      <div class="topcard-tags"><a href="https://www.f2er.com/tag/hanshu/" class="tag_link" target="_blank">函数</a><a href="https://www.f2er.com/tag/hanshup/" class="tag_link" target="_blank">函数</a><a href="https://www.f2er.com/tag/phanshu/" class="tag_link" target="_blank">函数</a><a href="https://www.f2er.com/tag/kongzhiqi/" class="tag_link" target="_blank">控制器</a><a href="https://www.f2er.com/tag/kongzhiqip/" class="tag_link" target="_blank">控制器</a><a href="https://www.f2er.com/tag/pkongzhiqi/" class="tag_link" target="_blank">控制器</a></div>
      
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