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HTML预览器
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HTML预览器
编程开发
免费在线工具
无需安装
浏览器即用
HTML预览器
编写HTML代码并实时预览效果
HTML代码
<!DOCTYPE html> <html> <head> <style> body { font-family: sans-serif; padding: 20px; } h1 { color: #302b63; } p { color: #666; } .box { background: #f8f9fa; padding: 20px; border-radius: 10px; } </style> </head> <body> <h1>Hello World</h1> <p>This is a sample HTML page.</p> <div class="box"> <p>You can write any HTML here!</p> </div> </div> <section class="about-tool-section"> <h2>关于工具</h2> <p>HTML预览器，在线编程开发，无需安装，打开浏览器即可使用。支持HTML预览器相关操作，数据本地处理，安全可靠，完全免费。</p> <div class="data-safe-box"> <span class="safe-icon">🛡️</span> <div class="safe-text"><strong>数据安全说明:</strong> 本工具完全在浏览器端运行，所有数据处理均在本地完成，不会上传到任何服务器，请放心使用。</div> </div> </section> <section class="faq-section"> <h2>常见问题</h2> <div class="faq-item"> <div class="faq-question" onclick="toggleFaq(this)"> 什么是HTML预览器？ <span class="faq-arrow">▼</span> </div> <div class="faq-answer">HTML预览器是一个在线编程开发，可以帮助您快速完成HTML预览器相关操作。无需下载安装任何软件，直接在浏览器中即可使用。</div> </div> <div class="faq-item"> <div class="faq-question" onclick="toggleFaq(this)"> HTML预览器怎么用？ <span class="faq-arrow">▼</span> </div> <div class="faq-answer">使用HTML预览器非常简单：在工具页面中输入或上传需要处理的内容，点击相应按钮即可获得结果。操作完成后可以复制或下载结果。</div> </div> <div class="faq-item"> <div class="faq-question" onclick="toggleFaq(this)"> HTML预览器安全吗？ <span class="faq-arrow">▼</span> </div> <div class="faq-answer">安全。HTML预览器完全在您的浏览器中运行，所有数据处理都在本地完成，不会上传到任何服务器，请放心使用。</div> </div> <div class="faq-item"> <div class="faq-question" onclick="toggleFaq(this)"> HTML预览器收费吗？ <span class="faq-arrow">▼</span> </div> <div class="faq-answer">不收费。HTML预览器是一个完全免费的在线工具，无需注册，无使用次数限制。</div> </div> </section> <section class="related-section"> <h2>相关工具推荐</h2> <div class="related-grid"> <a href="https://www.ecwin.com/t/table-data-generator/" class="related-item"> <span class="rel-icon">🔧</span> <span class="rel-name">表格数据生成</span> </a> <a href="https://www.ecwin.com/t/code-diff/" class="related-item"> <span class="rel-icon">🔧</span> <span class="rel-name">代码对比工具</span> </a> <a href="https://www.ecwin.com/t/code-formatter/" class="related-item"> <span class="rel-icon">🔄</span> <span class="rel-name">代码格式化工具</span> </a> <a href="https://www.ecwin.com/t/code-line-counter/" class="related-item"> <span class="rel-icon">🧮</span> <span class="rel-name">代码行数统计</span> </a> <a href="https://www.ecwin.com/t/system-info/" class="related-item"> <span class="rel-icon">🔧</span> <span class="rel-name">电脑运维-系统信息查看</span> </a> </div> </section> </main> <footer class="site-footer"> <div class="footer-inner"> <div class="footer-brand"> <h3>🛠 ecwin</h3> <p>ecwin 在线工具箱，提供 540+ 免费在线工具。无需安装，浏览器即用，数据本地处理，安全可靠。</p> </div> <div class="footer-col"> <h4>关于我们</h4> <a href="https://www.ecwin.com/">首页</a> <a href="https://www.ecwin.com/#about">关于我们</a> <a href="https://www.ecwin.com/#guide">使用指南</a> </div> <div class="footer-col"> <h4>工具分类</h4> <a href="https://www.ecwin.com/category.php?slug=text">文本工具</a> <a href="https://www.ecwin.com/category.php?slug=convert">格式转换</a> <a href="https://www.ecwin.com/category.php?slug=dev">编程开发</a> <a href="https://www.ecwin.com/category.php?slug=image">图片工具</a> <a href="https://www.ecwin.com/category.php?slug=math">数学计算</a> <a href="https://www.ecwin.com/category.php?slug=encrypt">加密安全</a> </div> </div> <div class="footer-bottom"> <p>© 2024-2026 ecwin.com. 版权所有.</p> </div> </footer> </div> <script charset="UTF-8" id="LA_COLLECT" src="//sdk.51.la/js-sdk-pro.min.js?id=21AULIuFPZRkpKqD"></script> <script> function toggleNav(){document.getElementById('leftNav').classList.toggle('open');document.getElementById('overlay').classList.toggle('show')} function filterNav(){var q=document.getElementById('topSearch').value.toLowerCase();document.querySelectorAll('#navList a').forEach(function(a){var n=a.querySelector('.nav-name');if(n)a.style.display=n.textContent.toLowerCase().includes(q)?'':'none'})} function toggleFaq(el){el.parentElement.classList.toggle('open')} document.addEventListener('DOMContentLoaded',function(){var input=document.getElementById('topSearch');if(input){input.addEventListener('keydown',function(e){if(e.key==='Enter'&&this.value.trim()){window.location.href='https://www.ecwin.com/category.php?slug=all&q='+encodeURIComponent(this.value.trim())}})}}); </script> <script> function previewHTML() { const code = document.getElementById('htmlCode').value; const frame = document.getElementById('previewFrame'); frame.srcdoc = code; } function clearCode() { document.getElementById('htmlCode').value = ''; document.getElementById('previewFrame').srcdoc = ''; } function copyCode() { const code = document.getElementById('htmlCode').value; if (!code) { alert('请先编写代码'); return; } navigator.clipboard.writeText(code).then(() => alert('已复制代码')); } function downloadCode() { const code = document.getElementById('htmlCode').value; if (!code) { alert('请先编写代码'); return; } const blob = new Blob([code], { type: 'text/html' }); const url = URL.createObjectURL(blob); const a = document.createElement('a'); a.href = url; a.download = 'preview.html'; a.click(); URL.revokeObjectURL(url); } const examples = { basic: `<!DOCTYPE html> <html> <head> <style> body { font-family: sans-serif; padding: 20px; background: #f5f5f5; } h1 { color: #333; } </style> </head> <body> <h1>基本HTML页面</h1> <p>这是一个简单的示例页面。</p> </body> </html>`, form: `<!DOCTYPE html> <html> <head> <style> body { font-family: sans-serif; padding: 20px; } form { background: #f8f9fa; padding: 20px; border-radius: 10px; } input, button { padding: 10px; margin: 5px; border-radius: 5px; border: 1px solid #ddd; } button { background: #302b63; color: #fff; border: none; } </style> </head> <body> <h2>表单示例</h2> <form> <input type="text" placeholder="用户名"> <input type="password" placeholder="密码"> <button type="button">提交</button> </form> </body> </html>`, table: `<!DOCTYPE html> <html> <head> <style> table { border-collapse: collapse; width: 100%; } th, td { border: 1px solid #ddd; padding: 10px; text-align: left; } th { background: #302b63; color: #fff; } </style> </head> <body> <h2>表格示例</h2> <table> <tr><th>姓名</th><th>年龄</th><th>城市</th></tr> <tr><td>张三</td><td>25</td><td>北京</td></tr> <tr><td>李四</td><td>30</td><td>上海</td></tr> </table> </body> </html>`, card: `<!DOCTYPE html> <html> <head> <style> .card { background: #fff; padding: 20px; border-radius: 10px; box-shadow: 0 2px 10px rgba(0,0,0,0.1); margin: 10px; } .card-title { font-size: 18px; font-weight: bold; } .card-body { color: #666; margin-top: 10px; } </style> </head> <body style="background: #f5f5f5; padding: 20px;"> <div class="card"> <div class="card-title">卡片标题</div> <div class="card-body">这是卡片内容区域。</div> </div> </body> </html>` }; function loadExample(type) { document.getElementById('htmlCode').value = examples[type]; previewHTML(); } // Auto preview on input document.getElementById('htmlCode').addEventListener('input', previewHTML); // Initialize previewHTML(); </script></body> </html>