拖拽案例

1.拖拽案例

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Document</title>
    <style>
        * {
            margin: 0;
            padding: 0;
        }

        .nav {
            height: 30px;
            background: #036663;
            border-bottom: 1px solid #369;
            line-height: 30px;
            padding-left: 30px;
        }

        .nav a {
            color: #fff;
            text-align: center;
            font-size: 14px;
            text-decoration: none;

        }

        .d-box {
            width: 400px;
            height: 300px;
            border: 5px solid #eee;
            box-shadow: 2px 2px 2px 2px #666;
            position: absolute;
            top: 40%;
            left: 40%;
            background-color: white;

            /* 不让文字被选中 */
            -webkit-user-select:none;
            -moz-user-select:none;
            -ms-user-select:none;
            user-select:none;
        }

        .hd {
            width: 100%;
            height: 25px;
            background-color: #7c9299;
            border-bottom: 1px solid #369;
            line-height: 25px;
            color: white;
            cursor: move;
        }

        #box_close {
            float: right;
            cursor: pointer;
        }
       </style>
</head>
<body>
    <div class="nav">
    <a href="javascript:;" id="register">注册信息</a>
</div>
<div class="d-box" id="d_box">
    <div class="hd" id="drop">注册信息 (可以拖拽)
        <span id="box_close">【关闭】</span>
    </div>
    <div class="bd"></div>
    <!-- <script src="common.jd"></script> -->
    <script>
        var box = document.getElementById('d_box');
        var drop = document.getElementById('drop');
        drop.onmousedown = function (e) {
            var x = e.pageX - box.offsetLeft;
            var y = e.pageY - box.offsetTop;
            // 鼠标在文档中移动
            document.onmousemove = function (e) {
                // 盒子的坐标
                var boxX = e.pageX - x;
                var boxY = e.pageY - y;
                box.style.left = boxX + 'px';
                box.style.top = boxY + 'px';
            }
        }
        document.onmouseup = function () {
            document.onmousemove = null;
        }

        // 点击关闭按钮, 隐藏盒子
        var box_close = document.getElementById('box_close');
        box_close.onclick = function () {
            box.style.display = 'none';
        }
    </script>
</div>
</body>
</html>

 

posted @ 2019-12-11 10:52  ivy_wang  阅读(203)  评论(0)  编辑  收藏  举报