Angular 学习笔记——拖拽

<!DOCTYPE HTML>
<html ng-app="myApp">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>无标题文档</title>
<style>
#div1{
    width: 100px;height: 100px;background: red;position: absolute;
}
</style>
<script type="text/javascript" src="jquery-1.11.1.js"></script>
<script src="angular.min.js"></script>

<script>
var m1 = angular.module('myApp',[]);
m1.controller('Aaa',['$scope',function($scope){

}]);
m1.directive('myDrag',function (){
    return {
        restrict:'A',
        link:function(scope,element,attr){
            var disX = 0;
            var disY = 0;
            attr.myDrag = angular.equals(attr.myDrag,'true');
            element.on('mousedown',function (ev){
                var This = this;
                disX = ev.pageX - $(this).offset().left;
                disY = ev.pageY - $(this).offset().top;
                if(attr.myDrag){
                    var $line = $('<div>');
                    $line.css({width:$(this).outerWidth(),height:$(this).outerHeight(),border:'1px gray dotted',position:'absolute',left:$(this).offset().left,top:$(this).offset.top,position:'absolute'});
                    $('body').append($line);
                }
                $(document).on('mousemove',function(ev){
                    if(attr.myDrag){
                        $line.css('left',ev.pageX - disX);
                        $line.css('top',ev.pageY - disY);
                    }else{
                        $(This).css('left',ev.pageX - disX);
                        $(This).css('top',ev.pageY - disY);
                    }

                });
                $(document).on('mouseup',function(){
                    $(document).off();
                    if(attr.myDrag){
                        $(This).css('left',$line.offset().left);
                        $(This).css('top',$line.offset().top);
                        $line.remove();
                    }
                })

                return false;
            })
        }
    }
})

</script>
</head>

<body ng-controller="Aaa">
    <div id="div1" my-drag='true'></div>
</body>
</html>