Robots.txt生成�?/title>  <meta name="description" content="Robots.txt生成�? /> <meta name="keywords" content="robots-generator,generator,tools,webutils" /> <meta name="author" content="WebUtils" /> <meta name="robots" content="index, follow" /> <link rel="canonical" href="https://essays4u.net/tools/generator/robots-generator.html" />  <meta property="og:title" content="Robots.txt生成�? /> <meta property="og:description" content="Robots.txt生成�? /> <meta property="og:type" content="website" /> <meta property="og:url" content="https://essays4u.net/tools/generator/robots-generator.html" /> <meta property="og:site_name" content="WebUtils" /> <meta property="og:locale" content="zh_CN" /> <meta property="og:image" content="https://essays4u.net/social-preview.png" /> <meta property="og:image:width" content="1280" /> <meta property="og:image:height" content="640" /> <meta property="og:image:type" content="image/png" />  <meta name="twitter:card" content="summary" /> <meta name="twitter:title" content="Robots.txt生成�? 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</label> <label class="checkbox-item"> <input type="radio" name="preset" value="disallow" onchange="applyPreset('disallow')" /> 禁止所�? </label> <label class="checkbox-item"> <input type="radio" name="preset" value="custom" onchange="applyPreset('custom')" /> 自定义规�? </label> </div> </div> <div class="card" id="rulesCard"> <div class="card-title">自定义规�?/div> <div class="input-group"> <label>User-Agent</label> <select id="userAgent"> <option value="*">所有爬�?(*)</option> <option value="Googlebot">Googlebot</option> <option value="Bingbot">Bingbot</option> <option value="Baiduspider">百度蜘蛛</option> <option value="Sogou">搜狗蜘蛛</option> </select> </div> <div class="rule-list" id="ruleList"> <div class="rule-item"> <select> <option value="Allow">Allow</option> <option value="Disallow">Disallow</option> </select> <input type="text" placeholder="路径，如 /admin/" /> <button onclick="removeRule(this)">删除</button> </div> </div> <button class="add-btn" onclick="addRule()">+ 添加规则</button> </div> <div class="card"> <div class="card-title">生成的robots.txt</div> <div class="output" id="output"></div> <button class="copy-btn" onclick="copyCode()">复制代码</button> </div> </div> <script> function addRule() { const list = document.getElementById("ruleList"); const item = document.createElement("div"); item.className = "rule-item"; item.innerHTML = '<select><option value="Allow">Allow</option><option value="Disallow">Disallow</option></select><input type="text" placeholder="路径，如 /admin/"><button onclick="removeRule(this)">删除</button>'; list.appendChild(item); generate(); } function removeRule(btn) { btn.parentElement.remove(); generate(); } function applyPreset(preset) { document.getElementById("rulesCard").style.display = preset === "custom" ? "block" : "none"; generate(); } function generate() { const sitemap = document.getElementById("sitemap").value; const crawlDelay = document.getElementById("crawlDelay").value; const userAgent = document.getElementById("userAgent").value; const preset = document.querySelector('input[name="preset"]:checked').value; let output = `User-agent: ${userAgent}\n`; if (preset === "allow") { output += "Allow: /\n"; } else if (preset === "disallow") { output += "Disallow: /\n"; } else { const rules = document.querySelectorAll(".rule-item"); rules.forEach((rule) => { const type = rule.querySelector("select").value; const path = rule.querySelector("input").value; if (path) output += `${type}: ${path}\n`; }); } if (crawlDelay) output += `Crawl-delay: ${crawlDelay}\n`; if (sitemap) output += `\nSitemap: ${sitemap}`; document.getElementById("output").textContent = output; } function copyCode() { navigator.clipboard.writeText(document.getElementById("output").textContent); const btn = document.querySelector(".copy-btn"); btn.textContent = "已复�?"; setTimeout(() => (btn.textContent = "复制代码"), 1500); } document .querySelectorAll("input, select") .forEach((el) => el.addEventListener("input", generate)); document.getElementById("rulesCard").style.display = "none"; generate(); // Theme toggle function toggleTheme() { const html = document.documentElement; const currentTheme = html.getAttribute("data-theme"); const newTheme = currentTheme === "light" ? "dark" : "light"; html.setAttribute("data-theme", newTheme); document.getElementById("theme-icon").textContent = newTheme === "light" ? "☀�? : "🌙"; localStorage.setItem("theme", newTheme); } // Load saved theme const savedTheme = localStorage.getItem("theme") || "dark"; if (savedTheme === "light") { document.documentElement.setAttribute("data-theme", "light"); document.getElementById("theme-icon").textContent = "☀�?; } </script> </body> </html>