{"id":827,"date":"2026-02-13T18:24:51","date_gmt":"2026-02-13T18:24:51","guid":{"rendered":"https:\/\/blog.nimail.cn\/?p=827"},"modified":"2026-02-13T18:24:51","modified_gmt":"2026-02-13T18:24:51","slug":"2026%e8%85%be%e8%ae%af%e6%8a%80%e5%b7%a7-pdf%e6%96%87%e4%bb%b6%e5%9c%a8%e7%ba%bf%e5%af%b9%e6%af%94%e5%ae%9e%e6%88%98","status":"publish","type":"post","link":"https:\/\/blog.nimail.cn\/best-articles\/2026%e8%85%be%e8%ae%af%e6%8a%80%e5%b7%a7-pdf%e6%96%87%e4%bb%b6%e5%9c%a8%e7%ba%bf%e5%af%b9%e6%af%94%e5%ae%9e%e6%88%98\/","title":{"rendered":"2026\u817e\u8baf\u6280\u5de7\uff1aPDF\u6587\u4ef6\u5728\u7ebf\u5bf9\u6bd4\u5b9e\u6218"},"content":{"rendered":"<div class=\"card mb-3\">\n<div class=\"card-body\">\n<h2 class=\"card-title\">\u5f00\u53d1\u8005\u89c6\u89d2\uff1a\u4e3a\u4ec0\u4e48\u8981\u505aPDF\u5bf9\u6bd4<\/h2>\n<p>\u5728\u65e5\u5e38\u9879\u76ee\u91cc\uff0c<span class=\"badge bg-info text-dark\">pdf\u5bf9\u6bd4<\/span>\u3001<span class=\"badge bg-warning text-dark\">pdf\u6587\u4ef6\u5bf9\u6bd4<\/span>\u3001<span class=\"badge bg-success text-dark\">pdf\u6587\u6863\u5bf9\u6bd4<\/span>\u662f\u5e38\u89c1\u9700\u6c42\u3002\u65e0\u8bba\u662f\u6cd5\u52a1\u5ba1\u7a3f\u3001\u5408\u540c\u6838\u5bf9\uff0c\u8fd8\u662f\u6587\u6863\u7248\u672c\u7ba1\u7406\uff0c\u4eba\u5de5\u9010\u9875\u67e5\u627e\u6781\u6613\u51fa\u9519\u3002\u4f5c\u4e3a\u4e00\u540d\u4e92\u8054\u7f51\u5f00\u53d1\u8005\uff0c\u6211\u66f4\u770b\u91cd\u81ea\u52a8\u5316\u4e0e\u53ef\u590d\u7528\u6027\uff1a\u8981\u505a\u5230\u5feb\u901f\u3001\u53ef\u89c6\u5316\u4e14\u80fd\u96c6\u6210\u5230CI\u6d41\u7a0b\u4e2d\u3002<\/p>\n<div class=\"alert alert-primary\" role=\"alert\">\n      \u5b9e\u6218\u63d0\u793a\uff1a\u4f18\u5148\u8003\u8651\u5148\u628aPDF\u8f6c\u6210\u6587\u672c\u6216\u7ed3\u6784\u5316\u6570\u636e\u518d\u5bf9\u6bd4\uff0c\u8fd9\u6837\u7ed3\u679c\u66f4\u53ef\u63a7\uff0c\u5dee\u5f02\u4e5f\u66f4\u6613\u5b9a\u4f4d\u3002\n    <\/div>\n<\/p><\/div>\n<\/div>\n<h3 class=\"mt-4\">\u4e00\u3001\u5b9e\u73b0\u8def\u5f84\u4e0e\u5e38\u89c1\u65b9\u6848<\/h3>\n<p>\u901a\u5e38\u6709\u4e09\u6761\u601d\u8def\u6765\u505a <strong>pdf\u5728\u7ebf\u6bd4\u8f83<\/strong>\uff1a<\/p>\n<ul class=\"list-group mb-3\">\n<li class=\"list-group-item\">\u5ba2\u6237\u7aef\/\u524d\u7aef\u6e32\u67d3\u9010\u9875\u50cf\u7d20\u6bd4\u5bf9\uff08\u622a\u56fe\u5dee\u5f02\uff0c\u53ef\u9ad8\u4eae\uff09<\/li>\n<li class=\"list-group-item\">\u6587\u672c\u62bd\u53d6\u540e\u505a\u6587\u672c\u6bd4\u5bf9\uff08\u9002\u5408\u5408\u540c\u3001\u62a5\u544a\u7c7b\u6587\u6863\uff09<\/li>\n<li class=\"list-group-item\">\u7ed3\u6784\u5316\u6bd4\u5bf9\uff1a\u57fa\u4e8ePDF\u7684\u5bf9\u8c61\u6a21\u578b\uff08\u5b57\u4f53\u3001\u8868\u683c\u3001\u6ce8\u91ca\uff09\u505a\u5dee\u5f02\u5408\u5e76<\/li>\n<\/ul>\n<div class=\"card mb-3\">\n<div class=\"card-body\">\n<h4>\u5de5\u5177\u94fe\u63a8\u8350<\/h4>\n<p>\u5e38\u7528\u5f00\u6e90\u5de5\u5177\u5305\u62ec\uff1a<code>pdfminer.six<\/code> \u6216 <code>PyMuPDF<\/code> \u505a\u6587\u672c\u62bd\u53d6\uff0c<code>difflib<\/code> \u505a\u6587\u672c\u5dee\u5f02\uff1b\u82e5\u9700\u8981\u9875\u9762\u7ea7\u53ef\u89c6\u5316\uff0c\u4f7f\u7528 <code>pdf.js<\/code> \u6e32\u67d3\u5e76\u505a\u50cf\u7d20\u6216SVG\u5c42\u9ad8\u4eae\u3002<\/p>\n<\/p><\/div>\n<\/div>\n<h3 class=\"mt-4\">\u4e8c\u3001\u5b9e\u6218\u6848\u4f8b\uff1a\u4f7f\u7528 nimail \u7684\u5728\u7ebf\u5bf9\u6bd4\u5e76\u7ed3\u5408\u672c\u5730\u811a\u672c<\/h3>\n<p>\u5982\u679c\u4e0d\u60f3\u4ece\u96f6\u642d\u5efa\uff0c\u63a8\u8350\u5148\u8bd5\u7528\u73b0\u6210\u7684 <a href=\"https:\/\/www.nimail.cn\/dev-tool\/pdf-compare.html\" target=\"_blank\" rel=\"noopener noreferrer\">nimail \u7684 PDF \u5bf9\u6bd4\u5de5\u5177<\/a> \u4f5c\u4e3a\u53c2\u8003\u3002\u5b83\u53ef\u4ee5\u5feb\u901f\u8fdb\u884c <strong>pdf\u5728\u7ebf\u5bf9\u6bd4<\/strong> \u5c55\u793a\u5dee\u5f02\u5e76\u63d0\u4f9b\u53ef\u89c6\u5316\u7ed3\u679c\uff0c\u4fbf\u4e8e\u8bc4\u4f30\u7b97\u6cd5\u6548\u679c\u4e0eUI\u4ea4\u4e92\u3002<\/p>\n<div class=\"alert alert-success\" role=\"alert\">\n  \u6848\u4f8b\u8bf4\u660e\uff1a\u5728\u8bc4\u4f30\u9636\u6bb5\uff0c\u6211\u4f1a\u5148\u7528 nimail \u505a\u51e0\u7ec4\u6837\u4f8b\u5bf9\u6bd4\uff0c\u786e\u8ba4\u5dee\u5f02\u7c7b\u578b\uff08\u7eaf\u6587\u672c\u4fee\u6539\u3001\u683c\u5f0f\u8c03\u6574\u3001\u56fe\u7247\u66ff\u6362\u7b49\uff09\uff0c\u518d\u51b3\u5b9a\u8d70\u6587\u672c\u6bd4\u5bf9\u6216\u50cf\u7d20\u6bd4\u5bf9\u8def\u7ebf\u3002\n<\/div>\n<h4 class=\"mt-3\">\u5bf9\u6bd4\u65b9\u6848\u4e00\u89c8\u8868<\/h4>\n<div class=\"table-responsive\">\n<table class=\"table table-striped table-hover w-100\">\n<thead>\n<tr>\n<th>\u65b9\u6848<\/th>\n<th>\u9002\u7528\u573a\u666f<\/th>\n<th>\u4f18\u70b9<\/th>\n<th>\u7f3a\u70b9<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u6587\u672c\u62bd\u53d6 + diff<\/td>\n<td>\u5408\u540c\u3001\u653f\u7b56\u7b49\u6587\u5b57\u4e3a\u4e3b<\/td>\n<td>\u901f\u5ea6\u5feb\u3001\u7ed3\u679c\u53ef\u5ba1\u8ba1<\/td>\n<td>\u5bf9\u6392\u7248\/\u56fe\u7247\u5dee\u5f02\u4e0d\u654f\u611f<\/td>\n<\/tr>\n<tr>\n<td>\u9875\u9762\u6e32\u67d3\u50cf\u7d20\u6bd4\u5bf9<\/td>\n<td>\u7248\u9762\u53d8\u5316\u3001\u56fe\u6587\u6df7\u6392<\/td>\n<td>\u76f4\u89c2\u3001\u53ef\u622a\u56fe\u9ad8\u4eae<\/td>\n<td>\u6210\u672c\u9ad8\u3001\u6297\u566a\u6027\u5dee<\/td>\n<\/tr>\n<tr>\n<td>\u7ed3\u6784\u5316\u5bf9\u8c61\u6bd4\u5bf9<\/td>\n<td>\u590d\u6742\u62a5\u8868\u3001\u8868\u683c\u4e3b\u5bfc<\/td>\n<td>\u7cbe\u786e\u5230\u5bf9\u8c61\u7ea7\u522b<\/td>\n<td>\u5b9e\u73b0\u590d\u6742\uff0c\u9700\u8981\u6df1\u5ea6\u89e3\u6790<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h3 class=\"mt-4\">\u4e09\u3001\u5feb\u901f\u4e0a\u624b\uff1a\u4e00\u4e2aPython\u6587\u672c\u6bd4\u5bf9\u793a\u4f8b<\/h3>\n<p>\u4e0b\u9762\u7ed9\u51fa\u4e00\u4e2a\u7b80\u6d01\u793a\u4f8b\uff0c\u6f14\u793a\u5982\u4f55\u7528 <code>pdfminer.six<\/code> \u63d0\u53d6\u6587\u672c\u5e76\u7528 <code>difflib<\/code> \u505a\u5dee\u5f02\u6bd4\u5bf9\uff0c\u9002\u5408\u505a\u57fa\u7840\u7684 <strong>pdf\u6bd4\u8f83<\/strong> \u4e0e <strong>pdf\u6587\u6863\u5bf9\u6bd4<\/strong>\u3002<\/p>\n<div class=\"card mb-3\">\n<div class=\"card-body\">\n<pre><code class=\"language-python\"># pip install pdfminer.six\nfrom pdfminer.high_level import extract_text\nimport difflib\n\ntext1 = extract_text('v1.pdf')\ntext2 = extract_text('v2.pdf')\n\nlines1 = text1.splitlines()\nlines2 = text2.splitlines()\n\nfor diff in difflib.unified_diff(lines1, lines2, fromfile='v1.pdf', tofile='v2.pdf', lineterm=''):\n    print(diff)\n<\/code><\/pre>\n<\/p><\/div>\n<\/div>\n<p>\u8fd9\u6bb5\u4ee3\u7801\u9002\u7528\u4e8e\u521d\u671f\u5feb\u901f\u9a8c\u8bc1\u5dee\u5f02\u7c7b\u578b\u3002\u5982\u679c\u9700\u8981\u5728Web\u7aef\u5c55\u793a\u5dee\u5f02\uff0c\u5efa\u8bae\u628a diff \u7ed3\u679c\u8f6c\u6362\u6210 HTML \u9ad8\u4eae\u7247\u6bb5\uff0c\u6216\u7ed3\u5408 nimail \u7684\u5728\u7ebf\u89c6\u56fe\u6765\u505a\u4eba\u5de5\u6838\u9a8c\uff0c\u4ee5\u63d0\u5347\u5ba1\u6838\u6548\u7387\u3002<\/p>\n<div class=\"alert alert-warning mt-3\" role=\"alert\">\n  \u5f00\u53d1\u5efa\u8bae\uff1a\u5728\u81ea\u52a8\u5316\u6d41\u7a0b\u4e2d\uff0c\u5148\u7528 <strong>pdf\u6587\u4ef6\u5bf9\u6bd4<\/strong> \u751f\u6210\u7ed3\u6784\u5316\u5dee\u5f02\uff08JSON\uff09\uff0c\u518d\u628a\u5173\u952e\u9875\u9762\u6216\u53d8\u66f4\u70b9\u63a8\u9001\u5230\u4eba\u5de5\u53ef\u89c6\u5316\u5de5\u5177\u5904\u7406\uff0c\u80fd\u663e\u8457\u964d\u4f4e\u8bef\u62a5\u7387\u3002\n<\/div>\n<p class=\"mt-4\">\u5982\u679c\u4f60\u9700\u8981\u628a <span class=\"badge bg-secondary\">pdf\u5728\u7ebf\u6bd4\u8f83<\/span> \u96c6\u6210\u5230\u5185\u90e8\u7cfb\u7edf\uff0c\u4e0b\u4e00\u6b65\u53ef\u4ee5\u8003\u8651\uff1a1) \u5b9a\u4e49\u5dee\u5f02\u7b49\u7ea7\u4e0e\u544a\u8b66\u7b56\u7565\uff1b2) \u9009\u62e9\u6587\u672c\/\u50cf\u7d20\/\u7ed3\u6784\u5316\u505a\u4e3a\u4e3b\u6d41\u7a0b\uff1b3) \u901a\u8fc7 nimail \u505a\u539f\u578b\u9a8c\u8bc1\uff0c\u518d\u51b3\u5b9a\u662f\u5426\u81ea\u7814\u6216\u4ed8\u8d39\u63a5\u5165\u670d\u52a1\u3002<\/p>\n<div class=\"card mt-3\">\n<div class=\"card-body\">\n<h4>\u5feb\u901f\u6e05\u5355\uff08\u4f5c\u4e3a\u5f00\u53d1\u8005\u8981\u68c0\u67e5\u7684\u70b9\uff09<\/h4>\n<ul>\n<li>\u62bd\u53d6\u6587\u672c\u7684\u7f16\u7801\u4e0e\u7a7a\u767d\u89c4\u8303\uff08\u907f\u514d\u6362\u884c\u5f15\u8d77\u7684\u4f2a\u5dee\u5f02\uff09<\/li>\n<li>\u5bf9\u56fe\u50cf\/\u8868\u683c\u5efa\u7acb\u5355\u72ec\u68c0\u6d4b\u903b\u8f91<\/li>\n<li>\u53ef\u89c6\u5316\u7ed3\u679c\u8981\u652f\u6301\u9010\u9875\u5b9a\u4f4d\u4e0e\u622a\u56fe\u4e0b\u8f7d<\/li>\n<\/ul><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u4f5c\u4e3a\u5f00\u53d1\u8005\uff0c\u4ece\u5b9e\u6218\u89d2\u5ea6\u8bb2\u89e3pdf\u5bf9\u6bd4\u4e0epdf\u5728\u7ebf\u5bf9\u6bd4\u7684\u5b9e\u73b0\u601d\u8def\uff0c\u5e76\u4ee5nimail\u5728\u7ebf\u5de5\u5177\u4e3a\u6848\u4f8b\uff0c\u9644Python\u6587\u672c\u6bd4\u5bf9\u793a\u4f8b\u4e0e\u5bf9\u6bd4\u8868\u683c\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[188,130,131],"class_list":["post-827","post","type-post","status-publish","format-standard","hentry","category-best-articles","tag-pdf"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.3.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>2026\u817e\u8baf\u6280\u5de7\uff1aPDF\u6587\u4ef6\u5728\u7ebf\u5bf9\u6bd4\u5b9e\u6218 - nimail blog<\/title>\n<meta name=\"description\" content=\"\u4f5c\u4e3a\u5f00\u53d1\u8005\uff0c\u4ece\u5b9e\u6218\u89d2\u5ea6\u8bb2\u89e3pdf\u5bf9\u6bd4\u4e0epdf\u5728\u7ebf\u5bf9\u6bd4\u7684\u5b9e\u73b0\u601d\u8def\uff0c\u5e76\u4ee5nimail\u5728\u7ebf\u5de5\u5177\u4e3a\u6848\u4f8b\uff0c\u9644Python\u6587\u672c\u6bd4\u5bf9\u793a\u4f8b\u4e0e\u5bf9\u6bd4\u8868\u683c\u3002\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/blog.nimail.cn\/best-articles\/2026\u817e\u8baf\u6280\u5de7-pdf\u6587\u4ef6\u5728\u7ebf\u5bf9\u6bd4\u5b9e\u6218\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" 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