{"id":894,"date":"2026-03-05T12:24:43","date_gmt":"2026-03-05T12:24:43","guid":{"rendered":"https:\/\/blog.nimail.cn\/?p=894"},"modified":"2026-03-05T12:24:43","modified_gmt":"2026-03-05T12:24:43","slug":"2026-%e8%85%be%e8%ae%af%e5%bc%80%e5%8f%91%e8%80%85-pdf%e5%af%b9%e6%af%94-%e5%ae%9e%e6%88%98%e6%8c%87%e5%8d%97","status":"publish","type":"post","link":"https:\/\/blog.nimail.cn\/best-articles\/2026-%e8%85%be%e8%ae%af%e5%bc%80%e5%8f%91%e8%80%85-pdf%e5%af%b9%e6%af%94-%e5%ae%9e%e6%88%98%e6%8c%87%e5%8d%97\/","title":{"rendered":"2026 \u817e\u8baf\u5f00\u53d1\u8005 pdf\u5bf9\u6bd4 \u5b9e\u6218\u6307\u5357"},"content":{"rendered":"<h2 class='h2 mt-3'>\u4e3a\u4ec0\u4e48\u8981\u505a <span class='badge bg-primary'>pdf\u5bf9\u6bd4<\/span>\uff1f<\/h2>\n<p class='mb-3'>\u4f5c\u4e3a\u4e00\u540d\u4e92\u8054\u7f51\u5f00\u53d1\u8005\uff0c\u6211\u7ecf\u5e38\u9700\u8981\u5904\u7406\u5408\u540c\u3001\u62a5\u544a\u6216\u63a5\u53e3\u8fd4\u56de\u7684PDF\u7248\u672c\u8fed\u4ee3\u3002**pdf\u5bf9\u6bd4**\uff08\u5305\u62ec <span class='badge bg-secondary'>pdf\u5728\u7ebf\u5bf9\u6bd4<\/span> \u4e0e\u672c\u5730 <span class='badge bg-secondary'>pdf\u6587\u4ef6\u5bf9\u6bd4<\/span>\uff09\u80fd\u5e2e\u52a9\u5feb\u901f\u5b9a\u4f4d\u5dee\u5f02\uff0c\u907f\u514d\u7248\u672c\u51b2\u7a81\u548c\u5408\u89c4\u98ce\u9669\u3002<\/p>\n<div class='alert alert-info' role='alert'>\u5c0f\u63d0\u793a\uff1a\u5982\u679c\u53ea\u662f\u89c6\u89c9\u68c0\u67e5\uff0c\u53ef\u4ee5\u5148\u7528 <a href='https:\/\/www.nimail.cn\/dev-tool\/pdf-compare.html' target='_blank' rel='noopener'>nimail \u7684\u5728\u7ebf\u5bf9\u6bd4\u5de5\u5177<\/a>\u8fdb\u884c\u5feb\u901f\u9884\u89c8\uff1b\u82e5\u9700\u81ea\u52a8\u5316\u6216\u6279\u91cf\u6bd4\u5bf9\uff0c\u63a8\u8350\u4f7f\u7528\u811a\u672c\u5316\u65b9\u6848\u3002<\/div>\n<h3 class='h3 mt-4'>\u5b9e\u6218\u4e00\uff1a\u4f7f\u7528 nimail \u5728\u7ebf\u5de5\u5177\u505a pdf\u5728\u7ebf\u6bd4\u8f83<\/h3>\n<div class='card mb-3'>\n<div class='card-body'>\n<h4 class='card-title'>\u5728\u7ebf\u6d41\u7a0b\u901f\u89c8<\/h4>\n<ol>\n<li>\u6253\u5f00 <a href='https:\/\/www.nimail.cn\/dev-tool\/pdf-compare.html' target='_blank' rel='noopener'>\u5728\u7ebf\u5bf9\u6bd4\u9875\u9762<\/a>\uff0c\u4e0a\u4f20\u4e24\u4efdPDF\u3002<\/li>\n<li>\u9009\u62e9\u6309\u6587\u672c\u6216\u6309\u9875\u9762\u5bf9\u6bd4\uff08\u89c6\u5de5\u5177\u529f\u80fd\u800c\u5b9a\uff09\u3002<\/li>\n<li>\u67e5\u770b\u9ad8\u4eae\u5dee\u5f02\u3001\u5bfc\u51fa\u5bf9\u6bd4\u62a5\u544a\u6216\u622a\u56fe\u4fdd\u5b58\u8bc1\u636e\u3002<\/li>\n<\/ol>\n<p>\u6211\u5e38\u7528\u8fd9\u7c7b\u5728\u7ebf\u5de5\u5177\u8fdb\u884c **\u5feb\u901f\u9a8c\u6536**\uff0c\u5c24\u5176\u662fUI\/\u6392\u7248\u786e\u8ba4\u6216\u5408\u540c\u6761\u6b3e\u7684\u4eba\u5de5\u4e8c\u6b21\u6838\u5bf9\u3002<\/p>\n<\/p><\/div>\n<\/div>\n<h3 class='h3 mt-4'>\u5b9e\u6218\u4e8c\uff1a\u5f00\u53d1\u8005\u5982\u4f55\u505a pdf\u6587\u4ef6\u5bf9\u6bd4\uff08Python \u793a\u4f8b\uff09<\/h3>\n<p>\u5f53\u5bf9\u6bd4\u9700\u8981\u7eb3\u5165CI\u3001\u6279\u91cf\u5904\u7406\u6216\u4e8c\u8fdb\u5236\u6bd4\u8f83\u65f6\uff0c\u6211\u4f1a\u5728\u672c\u5730\u7528 Python \u63d0\u53d6\u6587\u672c\u5e76\u8fdb\u884c\u5dee\u5f02\u8ba1\u7b97\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u5e38\u7528\u7684\u4ee3\u7801\u7247\u6bb5\uff08\u57fa\u4e8e PyPDF2 \u548c difflib\uff09\uff1a<\/p>\n<pre><code class='language-python'># pip install PyPDF2\nimport difflib\nfrom PyPDF2 import PdfReader\n\ndef extract_text(path):\n    reader = PdfReader(path)\n    texts = []\n    for p in reader.pages:\n        t = p.extract_text() or ''\n        texts.append(t)\n    return '\\n'.join(texts)\n\nleft = extract_text('a.pdf')\nright = extract_text('b.pdf')\nfor line in difflib.unified_diff(left.splitlines(), right.splitlines(), lineterm=''):\n    print(line)\n<\/code><\/pre>\n<p class='mt-2'>\u8fd9\u6bb5\u811a\u672c\u80fd\u5feb\u901f\u5b9a\u4f4d\u6587\u672c\u5c42\u7684\u5dee\u5f02\uff1b\u5982\u679c\u662f\u56fe\u50cf\u6216\u626b\u63cf\u7248PDF\uff0c\u9700\u8981\u5148\u505aOCR\uff0c\u518d\u6bd4\u8f83\u3002<\/p>\n<div class='table-responsive'>\n<table class='table table-striped'>\n<thead>\n<tr>\n<th>\u5bf9\u6bd4\u573a\u666f<\/th>\n<th>\u63a8\u8350\u65b9\u5f0f<\/th>\n<th>\u4f18\u70b9<\/th>\n<th>\u7f3a\u70b9<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u5feb\u901f\u4eba\u5de5\u5ba1\u6838<\/td>\n<td>nimail \u5728\u7ebf\u5bf9\u6bd4<\/td>\n<td>\u4fbf\u6377\u3001\u65e0\u9700\u5b89\u88c5<\/td>\n<td>\u4e0d\u9002\u5408\u81ea\u52a8\u5316<\/td>\n<\/tr>\n<tr>\n<td>\u6279\u91cf\/CI \u6d41\u7a0b<\/td>\n<td>Python \u811a\u672c + OCR<\/td>\n<td>\u53ef\u6269\u5c55\u3001\u53ef\u8bb0\u5f55<\/td>\n<td>\u9700\u8981\u7ef4\u62a4\u811a\u672c\u4e0e\u4f9d\u8d56<\/td>\n<\/tr>\n<tr>\n<td>\u89c6\u89c9\u5dee\u5f02<\/td>\n<td>\u50cf\u7d20\u6bd4\u8f83\u6216\u622a\u56fe\u5dee\u5206<\/td>\n<td>\u53d1\u73b0\u7248\u5f0f\u53d8\u52a8<\/td>\n<td>\u5bf9\u6587\u672c\u5c42\u65e0\u611f\u77e5<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h4 class='h4 mt-4'>\u5bf9\u6bd4\u6d41\u7a0b\u4e0e\u6ce8\u610f\u70b9<\/h4>\n<ul>\n<li>\u786e\u5b9a\u5bf9\u6bd4\u76ee\u6807\uff1a\u662f\u5173\u5fc3<strong>\u6587\u672c\u5185\u5bb9<\/strong>\u3001\u6392\u7248\u8fd8\u662f\u56fe\u50cf\u5dee\u5f02\uff1f<\/li>\n<li>\u6311\u9009\u5408\u9002\u5de5\u5177\uff1a\u6587\u672c\u4f18\u5148\u7528 PyPDF2\/ pdfminer\uff0c\u626b\u63cf\u4ef6\u5148 OCR\uff08\u5982 Tesseract\uff09\uff0c\u89c6\u89c9\u5dee\u5f02\u7528\u50cf\u7d20\u6bd4\u5bf9\u3002<\/li>\n<li>\u5904\u7406\u7f16\u7801\u4e0e\u7a7a\u767d\uff1a\u63d0\u53d6\u540e\u5efa\u8bae\u505a\u7edf\u4e00\u7a7a\u767d\u3001\u7f16\u7801\u548c\u5c0f\u5199\u5316\uff0c\u51cf\u5c11\u65e0\u610f\u4e49\u5dee\u5f02\u3002<\/li>\n<\/ul>\n<div class='alert alert-warning mt-3' role='alert'>\u5f00\u53d1\u8005\u5efa\u8bae\uff1a\u628a\u5bf9\u6bd4\u811a\u672c\u7eb3\u5165 CI\uff0c\u53ef\u4ee5\u5728 PR \u6d41\u7a0b\u4e2d\u81ea\u52a8\u8fd0\u884c <strong>pdf\u6587\u6863\u5bf9\u6bd4<\/strong>\uff0c\u53ca\u65f6\u63d0\u793a\u7248\u672c\u53d8\u66f4\uff0c\u907f\u514d\u540e\u671f\u53cd\u590d\u6539\u7248\u3002<\/div>\n<p class='mt-3'>\u5b9e\u9645\u5de5\u4f5c\u4e2d\uff0c\u6211\u4f1a\u628a <a href='https:\/\/www.nimail.cn\/dev-tool\/pdf-compare.html' target='_blank' rel='noopener'>nimail \u7684\u5728\u7ebf\u5bf9\u6bd4<\/a> \u5f53\u4f5c\u7b2c\u4e00\u6b65\u5feb\u901f\u9a8c\u6536\u5de5\u5177\uff0c\u800c\u628a Python \u811a\u672c\u6216\u4e13\u95e8\u7684\u6bd4\u5bf9\u670d\u52a1\u63a5\u5165\u81ea\u52a8\u5316\u6d41\u7a0b\uff0c\u5f62\u6210\u4e00\u5957\u65e2\u80fd\u5feb\u901f\u9a8c\u8bc1\u53c8\u80fd\u53ef\u8ffd\u6eaf\u7684\u5bf9\u6bd4\u4f53\u7cfb\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u9762\u5411\u5f00\u53d1\u8005\u7684pdf\u5bf9\u6bd4\u5b9e\u6218\uff1a\u5728\u7ebf\u5de5\u5177\u6848\u4f8b\u89e3\u6790\u4e0ePython\u793a\u4f8b\uff0c\u6559\u4f60\u5982\u4f55\u9ad8\u6548\u5b8c\u6210pdf\u5728\u7ebf\u5bf9\u6bd4\u4e0e\u672c\u5730pdf\u6587\u4ef6\u5bf9\u6bd4\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":[158,188,181],"class_list":["post-894","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 - 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property=\"og:description\" content=\"\u9762\u5411\u5f00\u53d1\u8005\u7684pdf\u5bf9\u6bd4\u5b9e\u6218\uff1a\u5728\u7ebf\u5de5\u5177\u6848\u4f8b\u89e3\u6790\u4e0ePython\u793a\u4f8b\uff0c\u6559\u4f60\u5982\u4f55\u9ad8\u6548\u5b8c\u6210pdf\u5728\u7ebf\u5bf9\u6bd4\u4e0e\u672c\u5730pdf\u6587\u4ef6\u5bf9\u6bd4\u3002\" \/>\n<meta property=\"og:url\" content=\"https:\/\/blog.nimail.cn\/best-articles\/2026-\u817e\u8baf\u5f00\u53d1\u8005-pdf\u5bf9\u6bd4-\u5b9e\u6218\u6307\u5357\/\" \/>\n<meta property=\"og:site_name\" content=\"nimail blog\" \/>\n<meta property=\"article:published_time\" content=\"2026-03-05T12:24:43+00:00\" \/>\n<meta name=\"author\" content=\"\u4e00\u7ebf\u7801\u519c\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"\u4e00\u7ebf\u7801\u519c\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta 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