可拖动调整高度的Div

<!DOCTYPE html>
<html lang="zh">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>可拖动调整高度的Div</title>
    <style>
        body {
            font-family: Arial, sans-serif;
            height: 2000px; /* 增加页面高度以显示滚动条 */
        }
        .container {
            width: 300px;
            border: 1px solid #ccc;
            overflow: hidden;
            position: relative;
            margin: 50px auto; /* 居中容器 */
        }
        .resizable {
            width: 100%;
            background-color: #f0f0f0;
            position: relative;
        }
        .resizer {
            width: 100%;
            height: 10px;
            background-color: #007bff;
            cursor: ns-resize;
            position: absolute;
            bottom: 0;
            left: 0;
        }
        .section {
            padding: 10px;
        }
    </style>
</head>
<body>

    <div class="container">
        <div class="resizable section" id="section1">
            <div class="content">小 div 1</div>
            <div class="resizer"></div>
        </div>
        <div class="resizable section" id="section2">
            <div class="content">小 div 2</div>
            <div class="resizer"></div>
        </div>
    </div>

    <script src="https://code.jquery.com/jquery-3.6.0.min.js"></script>
    <script>
        $(document).ready(function() {
            var isResizing = false;
            var currentSection;

            // 绑定mousedown事件到每个resizer
            $('.resizer').on('mousedown', function(e) {
                isResizing = true;
                currentSection = $(this).parent(); // 获取当前正在调整的section
                e.preventDefault(); // 防止文本选择
            });

            // 绑定mousemove事件到document
            $(document).on('mousemove', function(e) {
                if (isResizing && currentSection) {
                    // 计算新的高度
                    var newHeight = e.pageY - currentSection.offset().top;

                    // 更新高度,设置最小高度
                    if (newHeight > 50) {
                        currentSection.css('height', newHeight + 'px');
                    }
                }
            });

            // 绑定mouseup事件到document
            $(document).on('mouseup', function() {
                isResizing = false;
                currentSection = null; // 重置当前section
            });
        });
    </script>

</body>
</html>
posted @ 2025-04-28 10:27  sunkaila  阅读(55)  评论(0)    收藏  举报