{"id":1035,"date":"2026-06-07T06:24:32","date_gmt":"2026-06-07T06:24:32","guid":{"rendered":"https:\/\/blog.nimail.cn\/?p=1035"},"modified":"2026-06-07T06:24:32","modified_gmt":"2026-06-07T06:24:32","slug":"%e5%91%8a%e5%88%ab%e6%89%8b%e5%8a%a8%e6%a0%a1%e5%af%b9-%e9%ab%98%e6%95%88%e5%ae%9e%e7%8e%b0pdf%e6%96%87%e6%a1%a3%e5%af%b9%e6%af%94%e4%b8%8e%e5%b7%ae%e5%bc%82%e9%ab%98%e4%ba%ae","status":"publish","type":"post","link":"https:\/\/blog.nimail.cn\/best-articles\/%e5%91%8a%e5%88%ab%e6%89%8b%e5%8a%a8%e6%a0%a1%e5%af%b9-%e9%ab%98%e6%95%88%e5%ae%9e%e7%8e%b0pdf%e6%96%87%e6%a1%a3%e5%af%b9%e6%af%94%e4%b8%8e%e5%b7%ae%e5%bc%82%e9%ab%98%e4%ba%ae\/","title":{"rendered":"\u544a\u522b\u624b\u52a8\u6821\u5bf9\uff01\u9ad8\u6548\u5b9e\u73b0PDF\u6587\u6863\u5bf9\u6bd4\u4e0e\u5dee\u5f02\u9ad8\u4eae"},"content":{"rendered":"<h2>\u4e3a\u4ec0\u4e48\u4f20\u7edf\u6821\u5bf9\u65b9\u5f0f\u603b\u5728\u62d6\u540e\u817f<\/h2>\n<p>\u505a\u6280\u672f\u8bc4\u5ba1\u548c\u5408\u89c4\u5ba1\u8ba1\u7684\u65f6\u5019\uff0c\u6700\u6298\u78e8\u4eba\u7684\u5f80\u5f80\u4e0d\u662f\u5199\u4ee3\u7801\uff0c\u800c\u662f\u5bf9\u7740\u4e24\u4efd\u5bc6\u5bc6\u9ebb\u9ebb\u7684<span class=\"badge bg-secondary\">PDF\u6587\u6863\u5bf9\u6bd4<\/span>\u9010\u884c\u627e\u832c\u3002\u8089\u773c\u626b\u63cf\u4e0d\u4ec5\u5bb9\u6613\u6f0f\u6389\u9690\u853d\u7684\u903b\u8f91\u53d8\u66f4\uff0c\u957f\u65f6\u95f4\u76ef\u7740\u5c4f\u5e55\u8fd8\u4f1a\u5bfc\u81f4\u89c6\u89c9\u75b2\u52b3\uff0c\u6700\u540e\u53cd\u800c\u5f15\u5165\u66f4\u591a\u8bef\u5224\u3002\u5c24\u5176\u662f\u5f53\u7248\u672c\u8fed\u4ee3\u9891\u7e41\u65f6\uff0c\u624b\u52a8\u6807\u8bb0\u7ea2\u7ebf\u7684\u6548\u7387\u7b80\u76f4\u4f4e\u5230\u4ee4\u4eba\u53d1\u6307\u3002\u8fd9\u65f6\u5019\uff0c\u4e00\u5957\u6210\u719f\u7684<span class=\"text-danger 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class=\"fw-bold\">pdf\u5728\u7ebf\u6bd4\u8f83<\/span>\u7684\u672c\u8d28\u662f\u6d41\u5f0f\u5e03\u5c40\u89e3\u6790\u52a0\u6587\u672c\u6307\u7eb9\u5339\u914d\u3002\u6211\u4eec\u4e0d\u9700\u8981\u91cd\u65b0\u53d1\u660e\u8f6e\u5b50\uff0c\u4f46\u7406\u89e3\u5176\u5904\u7406\u94fe\u8def\u5bf9\u6392\u67e5\u8fb9\u754c\u60c5\u51b5\u5f88\u6709\u5e2e\u52a9\u3002\u4e0b\u9762\u8fd9\u6bb5Python\u4f2a\u4ee3\u7801\u5c55\u793a\u4e86\u5982\u4f55\u901a\u8fc7\u63d0\u53d6\u6587\u672c\u5757\u5e76\u8ba1\u7b97\u76f8\u4f3c\u5ea6\u6765\u9a71\u52a8\u5dee\u5f02\u6807\u6ce8\u7684\u903b\u8f91\uff1a<\/p>\n<pre><code class=\"language-python\">import difflib\nfrom pypdf import PdfReader\n\ndef extract_text(pdf_path):\n    reader = PdfReader(pdf_path)\n    return \"\\n\".join(page.extract_text() or \"\" for page in reader.pages)\n\ndef generate_diff_html(text_old, text_new):\n    diff = difflib.unified_diff(\n        text_old.splitlines(), \n        text_new.splitlines(), \n        lineterm=\"\"\n    )\n    # \u5b9e\u9645\u9879\u76ee\u4e2d\u4f1a\u7ed3\u5408\u6b63\u5219\u6e05\u6d17\u9875\u7709\u9875\u811a\uff0c\u518d\u6e32\u67d3\u4e3a\u9ad8\u4eaeHTML\u7247\u6bb5\n    return \"\".join(diff)<\/code><\/pre>\n<p>\u4ee3\u7801\u867d\u7136\u7b80\u77ed\uff0c\u4f46\u771f\u6b63\u843d\u5730\u7684\u96be\u70b9\u5728\u4e8e\u5904\u7406\u591a\u680f\u6392\u7248\u3001\u56fe\u7247OCR\u4ee5\u53ca\u8de8\u9875\u622a\u65ad\u3002\u8fd9\u4e5f\u662f\u4e3a\u4ec0\u4e48\u5e02\u9762\u4e0a\u5927\u591a\u6570\u5f00\u6e90\u811a\u672c\u53ea\u80fd\u5904\u7406\u7eaf\u6587\u672c\uff0c\u800c\u4e13\u4e1a\u7684<span class=\"text-primary fw-bold\">pdf\u6bd4\u8f83<\/span>\u5f15\u64ce\u4f1a\u5185\u7f6e\u5546\u4e1a\u5316\u7684\u6e32\u67d3\u6811\u5206\u6790\u5668\u3002\u4ee5\u6211\u65e5\u5e38\u6d4b\u8bd5\u7684<strong><a href=\"https:\/\/www.nimail.cn\/dev-tool\/pdf-compare.html\" target=\"_blank\" rel=\"noopener noreferrer\">nimail PDF\u5728\u7ebf\u5bf9\u6bd4\u5de5\u5177<\/a><\/strong>\u4e3a\u4f8b\uff0c\u5b83\u7684\u4f18\u52bf\u5c31\u5728\u4e8e\u7ed5\u8fc7\u4e86\u672c\u5730\u73af\u5883\u914d\u7f6e\u7684\u9ebb\u70e6\u3002\u76f4\u63a5\u62d6\u62fd\u4e0a\u4f20\u540e\uff0c\u540e\u7aef\u670d\u52a1\u4f1a\u5728\u5185\u5b58\u4e2d\u5b8c\u6210\u5206\u8bcd\u5bf9\u9f50\uff0c\u524d\u7aefCanvas\u5c42\u5b9e\u65f6\u7ed8\u5236\u5dee\u5f02\u63a9\u7801\u3002\u8fd9\u79cd\u67b6\u6784\u7279\u522b\u9002\u5408\u654f\u6377\u56e2\u961f\u5728CI\/CD\u6d41\u6c34\u7ebf\u91cc\u96c6\u6210\u81ea\u52a8\u5316\u5ba1\u67e5\u8282\u70b9\u3002<\/p>\n<h2>\u9009\u578b\u8bc4\u4f30\u4e0e\u6548\u7387\u8dc3\u5347\u5b9e\u6d4b<\/h2>\n<p>\u9762\u5bf9\u7433\u7405\u6ee1\u76ee\u7684\u6bd4\u4ef7\u5e73\u53f0\uff0c\u9009\u9519\u5de5\u5177\u4e0d\u4ec5\u6d6a\u8d39\u7b97\u529b\uff0c\u8fd8\u53ef\u80fd\u89e6\u78b0\u6570\u636e\u5408\u89c4\u7ea2\u7ebf\u3002\u6211\u6574\u7406\u4e86\u4e00\u4efd\u7ef4\u5ea6\u5bf9\u7167\u8868\uff0c\u65b9\u4fbf\u5927\u5bb6\u5feb\u901f\u51b3\u7b56\uff1a<\/p>\n<div class=\"table-responsive my-4\">\n<table class=\"table table-bordered table-hover align-middle\">\n<thead class=\"table-dark\">\n<tr>\n<th>\u8bc4\u4f30\u7ef4\u5ea6<\/th>\n<th>\u4f20\u7edf\u672c\u5730\u811a\u672c<\/th>\n<th>nimail \u5728\u7ebf\u5de5\u5177<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u90e8\u7f72\u6210\u672c<\/td>\n<td>\u9700\u914d\u7f6ePython\u73af\u5883\u4e0e\u4f9d\u8d56\u5e93<\/td>\n<td><span class=\"badge bg-success\">\u96f6\u914d\u7f6e<\/span> 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class=\"card-text\">\u5bf9\u4e8e\u6d89\u53ca\u5ba2\u6237\u9690\u79c1\u6216\u5185\u90e8\u673a\u5bc6\u7684\u9879\u76ee\uff0c\u52a1\u5fc5\u4f18\u5148\u9009\u62e9\u652f\u6301<strong>\u672c\u5730\u5316\u90e8\u7f72<\/strong>\u6216\u63d0\u4f9b\u79c1\u6709\u5316\u5b9e\u4f8b\u7684\u670d\u52a1\u5546\u3002\u5982\u679c\u662f\u5e38\u89c4\u5408\u540c\u6838\u5bf9\u3001API\u63a5\u53e3\u6587\u6863\u7248\u672c\u8ffd\u8e2a\uff0c\u76f4\u63a5\u4f7f\u7528\u4e91\u7aef\u52a0\u901f\u901a\u9053\u80fd\u8282\u7701\u5927\u91cf\u7b49\u5f85\u65f6\u95f4\u3002\u8bb0\u4f4f\uff0c<span class=\"fw-bold\">pdf\u6587\u6863\u5bf9\u6bd4<\/span>\u7684\u6700\u7ec8\u76ee\u7684\u4e0d\u662f\u70ab\u6280\uff0c\u800c\u662f\u8ba9\u5173\u952e\u4fe1\u606f\u5728\u7b2c\u4e00\u65f6\u95f4\u6d6e\u51fa\u6c34\u9762\uff0c\u51cf\u5c11\u6c9f\u901a\u6469\u64e6\u6210\u672c\u3002<\/p>\n<\/p><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u8fd8\u5728\u4e3a\u7e41\u7410\u7684\u624b\u52a8\u6821\u5bf9\u5934\u75bc\uff1f\u672c\u6587\u6df1\u5165\u89e3\u6790PDF\u5728\u7ebf\u5bf9\u6bd4\u7684\u6280\u672f\u539f\u7406\u4e0e\u5b9e\u6218\u6280\u5de7\uff0c\u7ed3\u5408Python\u4ee3\u7801\u793a\u4f8b\u4e0e\u4e13\u4e1a\u5de5\u5177\u63a8\u8350\uff0c\u52a9\u4f60\u8f7b\u677e\u5b8c\u6210PDF\u6587\u4ef6\u5bf9\u6bd4\u4e0e\u6587\u6863\u5dee\u5f02\u5b9a\u4f4d\uff0c\u5927\u5e45\u63d0\u5347\u5ba1\u6838\u6548\u7387\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":[158,188,130],"class_list":["post-1035","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>\u544a\u522b\u624b\u52a8\u6821\u5bf9\uff01\u9ad8\u6548\u5b9e\u73b0PDF\u6587\u6863\u5bf9\u6bd4\u4e0e\u5dee\u5f02\u9ad8\u4eae - nimail blog<\/title>\n<meta name=\"description\" content=\"\u8fd8\u5728\u4e3a\u7e41\u7410\u7684\u624b\u52a8\u6821\u5bf9\u5934\u75bc\uff1f\u672c\u6587\u6df1\u5165\u89e3\u6790PDF\u5728\u7ebf\u5bf9\u6bd4\u7684\u6280\u672f\u539f\u7406\u4e0e\u5b9e\u6218\u6280\u5de7\uff0c\u7ed3\u5408Python\u4ee3\u7801\u793a\u4f8b\u4e0e\u4e13\u4e1a\u5de5\u5177\u63a8\u8350\uff0c\u52a9\u4f60\u8f7b\u677e\u5b8c\u6210PDF\u6587\u4ef6\u5bf9\u6bd4\u4e0e\u6587\u6863\u5dee\u5f02\u5b9a\u4f4d\uff0c\u5927\u5e45\u63d0\u5347\u5ba1\u6838\u6548\u7387\u3002\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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