CSDN 去水印打印神器 | 一键展开代码 + 清除水印 + 自动打印，完美保存技术文章！

使用方法打开要保存的技术文章页面在浏览器控制台(F12)中粘贴此代码执行浏览器打印对话框会自动弹出页面会在打印后自动恢复(function() { use strict; const originalHTML document.body.innerHTML; const originalStyle document.body.style.cssText; try { // 1. 先展开所有折叠的代码块 document.querySelectorAll(.expand-btn, .fold-btn, .code-expand, .toggle-btn).forEach(btn { btn.click(); }); // 兼容CSDN的代码块展开 document.querySelectorAll(.hljs-button).forEach(btn { if (btn.textContent.includes(展开)) btn.click(); }); // 2. 去水印修复版 let removedCount 0; document.querySelectorAll(*).forEach(el { const className el.className || ; const id el.id || ; if ( (typeof className string className.includes(watermark)) || (typeof id string id.includes(watermark)) || el.style.pointerEvents none || (el.style.position fixed parseInt(el.style.zIndex || 0) 999) ) { el.remove(); removedCount; } const computedStyle getComputedStyle(el); if (computedStyle typeof computedStyle.backgroundImage string computedStyle.backgroundImage.includes(watermark)) { el.style.backgroundImage none; removedCount; } }); // 3. 优化打印样式让代码块完整显示 const printStyle document.createElement(style); printStyle.textContent media print { body { zoom: 0.8; } pre, code { white-space: pre-wrap !important; word-wrap: break-word !important; } .article_content { width: 100% !important; } header, footer, .sidebar, .comment, .advertisement { display: none !important; } } ; document.head.appendChild(printStyle); // 4. 弹出打印窗口 window.print(); // 5. 清理临时样式 document.head.removeChild(printStyle); } finally { // 恢复页面 document.body.innerHTML originalHTML; document.body.style.cssText originalStyle; } })();