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  • jquery实现对div的拖拽功能

    <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
    <html xmlns="http://www.w3.org/1999/xhtml">
        <head>
            <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
            <title>拖动DIV</title>
            <style type="text/css">
            #show1 {
                    background: #7cd2f8;
                    width: 100px;
                    height: 100px;
                    text-align: center;
                    position: absolute;
                    z-index: 1;
                    left: 0px;
                    top: 0px;
                    border: 1px solid black;
                    }
            #show2 {
                    background: #7cd2f8;
                    width: 100px;
                    height: 100px;
                    text-align: center;
                    position: absolute;
                    z-index: 1;
                    left: 100px;
                    top: 0px;
                    border: 1px solid black;
                    }
            #show3 {
                    background: #7cd2f8;
                    width: 100px;
                    height: 100px;
                    text-align: center;
                    position: absolute;
                    z-index: 1;
                    left: 200px;
                    top: 0px;
                    border: 1px solid black;
                    }
            #show4 {
                    background: #7cd2f8;
                    width: 100px;
                    height: 100px;
                    text-align: center;
                    position: absolute;
                    z-index: 1;
                    left: 0px;
                    top: 100px;
                    border: 1px solid black;
                    }
            #show5 {
                    background: #7cd2f8;
                    width: 100px;
                    height: 100px;
                    text-align: center;
                    position: absolute;
                    z-index: 1;
                    left: 100px;
                    top: 100px;
                    border: 1px solid black;
                    }
            #show6 {
                    background: #7cd2f8;
                    width: 100px;
                    height: 100px;
                    text-align: center;
                    position: absolute;
                    z-index: 1;
                    left: 200px;
                    top: 100px;
                    border: 1px solid black;
                    }
            #show7 {
                    background: #7cd2f8;
                    width: 100px;
                    height: 100px;
                    text-align: center;
                    position: absolute;
                    z-index: 1;
                    left: 0px;
                    top: 200px;
                    border: 1px solid black;
                    }
            #show8 {
                    background: #7cd2f8;
                    width: 100px;
                    height: 100px;
                    text-align: center;
                    position: absolute;
                    z-index: 1;
                    left: 100px;
                    top: 200px;
                    border: 1px solid black;
                    }
            #show9 {
                    background: #7cd2f8;
                    width: 100px;
                    height: 100px;
                    text-align: center;
                    position: absolute;
                    z-index: 1;
                    left: 200px;
                    top: 200px;
                    border: 1px solid black;
                    }
            #right{
                width: 306px;
                height: 306px;
                position: absolute;
                top: 0px;
                left: 400px;
                border: 1px solid black;
            }                                                                                                        
            </style>
            <script type="text/javascript" src="gongju/jquery-1.11.2.min.js"></script>
            
        </head>
        <body>
                <div class="show" id="show1" bs="1">
                    1
                </div>
                <div class="show" id="show2" bs="2">
                    2
                </div>
                <div class="show" id="show3" bs="3">
                    3
                </div>
                <div class="show" id="show4" bs="4">
                    4
                </div>
                <div class="show" id="show5" bs="5">
                    5
                </div>
                <div class="show" id="show6" bs="6">
                    6
                </div>
                <div class="show" id="show7" bs="7">
                    7
                </div>
                <div class="show" id="show8" bs="8">
                    8
                </div>
                <div class="show" id="show9" bs="9">
                    9
                </div>                    
         <!----------------------------------------------->
             <div id="right">
                 
             </div>
        </body>
    </html>
    <script type="text/javascript">
       var biao;
    $(document).ready(function() {
        $(".show").mousedown(function(e) //e鼠标事件
            {
                biao=$(this).attr("bs");
                $(this).css("cursor", "move"); //改变鼠标指针的形状
    
                var offset = $(this).offset(); //DIV在页面的位置
                var x = e.pageX - offset.left; //获得鼠标指针离DIV元素左边界的距离
                var y = e.pageY - offset.top; //获得鼠标指针离DIV元素上边界的距离
                $(document).bind("mousemove", function(ev) //绑定鼠标的移动事件,因为光标在DIV元素外面也要有效果,所以要用doucment的事件,而不用DIV元素的事件
                    {
                        $("#show"+biao+"").stop(); //加上这个之后
    
                        var _x = ev.pageX - x; //获得X轴方向移动的值
                        var _y = ev.pageY - y; //获得Y轴方向移动的值
    
                        $("#show"+biao+"").animate({
                            left: _x + "px",
                            top: _y + "px"
                        }, 10);
                    });
    
            });
    
        $(document).mouseup(function() {
            $("#show"+biao+"").css("cursor", "default");
            $(this).unbind("mousemove");
        })
    })
    </script>
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  • 原文地址:https://www.cnblogs.com/xingyue1988/p/6906331.html
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