123/text-diff.html at main · Waixuexi994/123 · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>文本差异对比</title>
    <style>
        body {
            margin: 0;
            padding: 20px;
            font-family: Arial, sans-serif;
            background-color: #f5f5f5;
            min-height: 100vh;
            box-sizing: border-box;
        }

        /* 返回按钮样式 */
        .header {
            display: flex;
            align-items: center;
            margin-bottom: 20px;
            gap: 15px;
        }

        .back-button {
            padding: 8px 15px;
            background-color: #2c3e50;
            color: white;
            border: none;
            border-radius: 5px;
            cursor: pointer;
            font-size: 14px;
            display: flex;
            align-items: center;
            gap: 5px;
        }

        .back-button:hover {
            background-color: #34495e;
        }

        .page-title {
            font-size: 18px;
            color: #2c3e50;
            margin: 0;
        }

        .diff-container {
            display: flex;
            gap: 20px;
            max-width: 1200px;
            margin: 0 auto;
            height: calc(100vh - 140px);
        }

        .text-area {
            flex: 1;
            background: white;
            padding: 20px;
            border-radius: 10px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
            display: flex;
            flex-direction: column;
            height: 100%;
        }

        .text-area h3 {
            margin-top: 0;
            margin-bottom: 15px;
            color: #2c3e50;
        }

        .diff-editor {
            width: 100%;
            flex: 1;
            padding: 15px;
            font-size: 14px;
            line-height: 1.6;
            border: 1px solid #ddd;
            border-radius: 5px;
            background-color: white;
            overflow-y: auto;
            white-space: pre-wrap;
            word-wrap: break-word;
            box-sizing: border-box;
        }

        .diff-editor div {
            padding: 2px 5px;
            margin: 0;
            min-height: 1.6em;
            white-space: pre-wrap;
            word-wrap: break-word;
            background-color: white;
        }

        .line-left {
            background-color: #ffe6e6 !important;
        }

        .line-right {
            background-color: #e6ffe6 !important;
        }

        .same-line {
            background-color: #e6f3ff !important;
        }

        /* 底部按钮样式 */
        .bottom-container {
            text-align: center;
            margin-top: 20px;
            padding: 20px;
        }

        .compare-button {
            padding: 12px 30px;
            font-size: 16px;
            background-color: #2c3e50;
            color: white;
            border: none;
            border-radius: 5px;
            cursor: pointer;
            transition: background-color 0.3s;
        }

        .compare-button:hover {
            background-color: #34495e;
        }

        /* 添加说明样式 */
        .instructions {
            background-color: #f8f9fa;
            padding: 15px 20px;
            border-radius: 8px;
            margin-bottom: 20px;
            box-shadow: 0 2px 5px rgba(0,0,0,0.05);
        }

        .instructions h3 {
            margin: 0 0 10px 0;
            color: #2c3e50;
            font-size: 16px;
        }

        .color-example {
            display: flex;
            gap: 20px;
        }

        .color-item {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .color-box {
            width: 20px;
            height: 20px;
            border-radius: 4px;
        }

        .red-box {
            background-color: #ffe6e6;
        }

        .green-box {
            background-color: #e6ffe6;
        }

        .blue-box {
            background-color: #e6f3ff;
        }
    </style>
</head>
<body>
    <!-- 添加使用说明 -->
    <div class="instructions">
        <h3>使用说明：</h3>
        <div class="color-example">
            <div class="color-item">
                <div class="color-box red-box"></div>
                <span>左侧独有内容</span>
            </div>
            <div class="color-item">
                <div class="color-box green-box"></div>
                <span>右侧独有内容</span>
            </div>
            <div class="color-item">
                <div class="color-box blue-box"></div>
                <span>两侧相同内容</span>
            </div>
        </div>
    </div>

    <!-- 返回按钮和标题 -->
    <div class="header">
        <button class="back-button" onclick="window.location.href='aa.html'">
            ← 返回
        </button>
        <h2 class="page-title">文本差异对比</h2>
    </div>

    <div class="diff-container">
        <div class="text-area">
            <h3>文本 1</h3>
            <div id="editor1" class="diff-editor" contenteditable="true" spellcheck="false"></div>
        </div>
        <div class="text-area">
            <h3>文本 2</h3>
            <div id="editor2" class="diff-editor" contenteditable="true" spellcheck="false"></div>
        </div>
    </div>

    <!-- 添加底部按钮 -->
    <div class="bottom-container">
        <button class="compare-button" onclick="compareTexts()">开始对比</button>
    </div>

    <script>
        const editor1 = document.getElementById('editor1');
        const editor2 = document.getElementById('editor2');

        function compareTexts() {
            const lines1 = editor1.innerText.split('\n');
            const lines2 = editor2.innerText.split('\n');

            const lines2Set = new Set(lines2);
            const lines1Set = new Set(lines1);

            // 更新编辑器1的内容和样式
            editor1.innerHTML = lines1.map(line => {
                const div = document.createElement('div');
                div.textContent = line || ' ';  // 确保空行也有高度
                if (lines2Set.has(line) && line.trim() !== '') {
                    div.className = 'same-line';
                } else if (line.trim() !== '') {
                    div.className = 'line-left';
                }
                return div.outerHTML;
            }).join('');

            // 更新编辑器2的内容和样式
            editor2.innerHTML = lines2.map(line => {
                const div = document.createElement('div');
                div.textContent = line || ' ';  // 确保空行也有高度
                if (lines1Set.has(line) && line.trim() !== '') {
                    div.className = 'same-line';
                } else if (line.trim() !== '') {
                    div.className = 'line-right';
                }
                return div.outerHTML;
            }).join('');

            // 确保编辑器始终至少有一个div
            if (!editor1.hasChildNodes()) {
                editor1.innerHTML = '<div><br></div>';
            }
            if (!editor2.hasChildNodes()) {
                editor2.innerHTML = '<div><br></div>';
            }
        }

        // 处理按键事件，确保正常换行和对齐
        function handleKeyPress(e) {
            if (e.key === 'Enter') {
                e.preventDefault();
                const selection = window.getSelection();
                const range = selection.getRangeAt(0);

                // 创建新的div元素
                const newDiv = document.createElement('div');
                newDiv.innerHTML = '<br>';

                // 获取当前行的div
                let currentDiv = range.startContainer;
                while (currentDiv && currentDiv.nodeName !== 'DIV') {
                    currentDiv = currentDiv.parentNode;
                }

                // 在当前行后插入新行
                if (currentDiv && currentDiv.parentNode) {
                    currentDiv.parentNode.insertBefore(newDiv, currentDiv.nextSibling);

                    // 移动光标到新行
                    range.setStart(newDiv, 0);
                    range.setEnd(newDiv, 0);
                    selection.removeAllRanges();
                    selection.addRange(range);
                }
            }
        }

        editor1.addEventListener('keypress', handleKeyPress);
        editor2.addEventListener('keypress', handleKeyPress);

        // 监听粘贴事件
        function handlePaste(e) {
            e.preventDefault();
            const text = (e.clipboardData || window.clipboardData).getData('text');
            document.execCommand('insertText', false, text);
        }

        editor1.addEventListener('paste', handlePaste);
        editor2.addEventListener('paste', handlePaste);

        // 初始化编辑器
        editor1.innerHTML = '<div><br></div>';
        editor2.innerHTML = '<div><br></div>';
    </script>
</body>
</html>