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<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.6.0/jquery.min.js"></script>
</head>
<style>
    .box-content {
        position: fixed;
        bottom: 200px;
        right: 80px;
        border-radius: 35px;
        background-color: #000;
        cursor: move;
    }

    .box-content .btn {
        width: 90px;
        line-height: 70px;
        color: #fff;
        text-align: center;
        font-size: 24px;
    }

    .box-content .top {
        width: 180px;
        color: #fff;
        line-height: 70px;
        font-size: 20px;
        justify-content: space-evenly;
        display: none;
    }

    .box-content .top.active {
        display: flex;
    }
</style>

<body>
    <div class="box-content">
        <div class="btn">操作</div>
        <div class="top">
            <div class="one">按钮1</div>
            <div class="two">按钮2</div>
        </div>
    </div>
</body>
<script>
    $(document).ready(function () {
        let canClick = true;
        $('.box-content').bind('mousedown', function (e) {
            let startX = e.pageX - $(this).offset().left;
            let startY = e.pageY - $(this).offset().top;
            let clientW = document.documentElement.clientWidth;
            let clientH = document.documentElement.clientHeight;
            let _this = $(this);
            e.preventDefault();
            e.stopPropagation();
            $(document).bind('mousemove', function (e) {
                canClick = false;
                let offsetW = (e.pageX - startX) + _this.width();
                let offsetH = (e.pageY - startY) + _this.height();
                console.log(offsetH);
                if (offsetW >= clientW||offsetH>=clientH||offsetW<=_this.width()||offsetH<=_this.height()) return false;
                _this.css({
                    top: e.pageY - startY + 'px',
                    left: e.pageX - startX + 'px',
                    right: 'auto',
                    bottom: 'auto'
                })
                e.preventDefault();
                e.stopPropagation();
            }).bind('mouseup', function (e) {
                $(document).unbind('mousemove');
                e.preventDefault();
                e.stopPropagation();
            })
        })
        $('.box-content .btn').click(function () {
            if (!canClick) {
                canClick = true;
                return false;
            }
            $(this).hide();
            $('.box-content .top').addClass('active');
        })
        $('.box-content .top').click(function () {
            if (!canClick) {
                canClick = true;
                return false;
            }
            $(this).removeClass('active');
            $('.box-content .btn').show();
        })
    })
</script>

</html>
posted @ 2021-08-01 21:31  smartwange  阅读(21)  评论(0)    收藏  举报