AngularJS实现的简单拖拽功能示例

2017年11月30日作者：Web攻城狮原文

本文实例讲述了AngularJS实现的简单拖拽功能。分享给大家供大家参考，具体如下：

<!DOCTYPE html>
<html ng-app="myApp">
  <head>
    <meta charset="UTF-8">
    <title>www.laike.net AngularJS拖拽</title>
    <style>
    *{
      padding:0;
      margin:0;
    }
      .wei{
        width:100px;
        height:100px;
        background: red;
        position:absolute;
        cursor: pointer;
        /*left:0;top:0;*/
      }
    </style>
  </head>
  <body ng-controller="show">
      <div class="wei" wei-yi data="true"></div>
      <div class="wei" wei-yi data="false"></div>
    <script src="jquery.js" type="text/javascript" charset="utf-8"></script>
    <script src="angular.min.js" type="text/javascript" charset="utf-8"></script>
    <script type="text/javascript">
      var app = angular.module('myApp',[]);
      //自定义属性
      app.directive("weiYi",function(){
        return{
          restrict :'A',//A属性,E标签,C类名,D注释
          link :function(scope,element,attr){
            attr.data=angular.equals(attr.data,"true");
            //console.log(attr.data);
            console.log(element);
            element.on("mousedown",function(e){
              var that = $(this);
              console.log(attr.data);
              if(attr.data){
                $div=$("<div>");
                console.log($div);
                $div.css({"width":"100px","height":"100px","border": "2px dotted green","position":"absolute","left":that.offset().left,"top":that.offset().top});
                $div.appendTo($("body"));
              }
              var x=e.clientX-$(this).offset().left;
              var y=e.clientY-$(this).offset().top;
              //console.log(x+":"+y);
              $(document).on("mousemove",function(e){
                if(attr.data){
                  $div.css({"left":e.clientX-x,"top":e.clientY-y});
                }else{
                  that.css({"left":e.clientX-x,"top":e.clientY-y});
                }
              });
              $(document).on("mouseup",function(e){
                //console.log($div);
                $(document).off();
                if(attr.data){
                  that.css({"left":$div.offset().left,"top":$div.offset().top});
                  $div.remove();
                }
              })
            })
          }
        }
      });
      app.controller('show',['$scope',function(scope$){
      }]);
    </script>
  </body>
</html>

运行效果如下：

更多关于AngularJS相关内容感兴趣的读者可查看本站专题：《AngularJS指令操作技巧总结》、《AngularJS入门与进阶教程》及《AngularJS MVC架构总结》

希望本文所述对大家AngularJS程序设计有所帮助。