鼠标拖动DOM

自己收藏，使用angualrjs的directive些的鼠标拖动DOM....

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>鼠标拖动div</title>
    <script src="http://apps.bdimg.com/libs/angular.js/1.4.6/angular.min.js"></script>
    <script>
        (function(){
           angular.module('app',[])
           .directive('ngDirective', ['$document', function($document){
               return {
                   link: function link(scope, element, attrs){
                       var startX = 0, startY = 0, x = 0, y = 0;
                        element.css({
                            position: 'relative',
                            border: '1px solid red',
                            backgroundColor: '#ccc',
                            cursor: 'pointer',
                            width:'100px',
                            height:'100px'
                        });
                        element.on('mousedown', function(event){
                            event.preventDefault();
                             startX = event.pageX - x;
                             startY = event.pageY - y;
                             $document.on('mousemove', mousemove);
                             $document.on('mouseup', mouseup);
                        });
                        function mousemove(event) {
                            y = event.pageY - startY;
                            x = event.pageX - startX;
                             element.css({
                                 top: y + 'px',                                 
                                 left: x + 'px'
                            });
                         };
                         function mouseup() {
                             $document.off('mousemove', mousemove);
                             $document.off('mouseup', mouseup);
                         }
                   }
               }
            }])
        })()
    </script>
</head>
<body ng-app="app">
    <div ng-directive>DONE</div>
</body>
</html>

 

转载于:https://www.cnblogs.com/webPang/p/10237381.html