{"id":860,"date":"2026-02-23T00:24:24","date_gmt":"2026-02-23T00:24:24","guid":{"rendered":"https:\/\/blog.nimail.cn\/?p=860"},"modified":"2026-02-23T00:24:24","modified_gmt":"2026-02-23T00:24:24","slug":"2026%e8%85%be%e8%ae%af%e5%bc%80%e5%8f%91%e8%80%85%e7%9a%84base64%e8%a7%a3%e7%a0%81%e6%94%bb%e7%95%a5","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%e7%9a%84base64%e8%a7%a3%e7%a0%81%e6%94%bb%e7%95%a5\/","title":{"rendered":"2026\u817e\u8baf\u5f00\u53d1\u8005\u7684base64\u89e3\u7801\u653b\u7565"},"content":{"rendered":"<h2 class=\"h2 mt-3\">\u4e3a\u4ec0\u4e48\u8981\u61c2 base64 \u89e3\u7801\uff08\u5de5\u7a0b\u5b9e\u6218\uff09<\/h2>\n<p>\u5728\u65e5\u5e38\u5f00\u53d1\u4e2d\uff0c<strong>base64\u89e3\u7801<\/strong>\u5e76\u4e0d\u662f\u5355\u7eaf\u7684\u201c\u7f16\u7801\/\u89e3\u7801\u201d\u95ee\u9898\uff0c\u5b83\u5e38\u51fa\u73b0\u5728HTTP header\u3001JWT\u3001\u56fe\u7247\u5185\u8054\u3001\u65e5\u5fd7\u8ffd\u8e2a\u7b49\u573a\u666f\u3002\u9047\u5230\u95ee\u9898\u65f6\uff0c\u5feb\u901f\u5b9a\u4f4d\u662f\u5173\u952e\uff1a\u662f\u666e\u901a\u7684 <span class=\"badge bg-secondary\">base64 \u89e3\u7801<\/span>\uff0c\u8fd8\u662f\u9700\u8981 <span class=\"badge bg-info\">base64url\u89e3\u7801<\/span>\uff1f\u662f\u5426\u6d89\u53ca\u5728\u7ebf\u5de5\u5177\u7684\u6821\u9a8c\uff1f<\/p>\n<div class=\"alert alert-success\" role=\"alert\">\n  \u63a8\u8350\u5de5\u5177\u793a\u4f8b\uff1a\u53ef\u4ee5\u53c2\u8003 <a href=\"https:\/\/www.nimail.cn\/dev-tool\/base64-format.html\" target=\"_blank\" rel=\"noopener\">nimail \u7684 Base64 \u683c\u5f0f\u5de5\u5177<\/a> \u505a\u5feb\u901f\u9a8c\u8bc1\uff0c\u652f\u6301 <strong>\u5728\u7ebfbase64\u89e3\u7801<\/strong>\u3001\u5728\u7ebf\u7f16\u7801\u4e0e\u683c\u5f0f\u5316\u3002\n<\/div>\n<h3 class=\"h3 mt-4\">\u5e38\u89c1\u573a\u666f\u4e0e\u6ce8\u610f\u70b9<\/h3>\n<ul class=\"list-group mb-3\">\n<li class=\"list-group-item\">\u56fe\u7247\u5185\u8054\uff1adata URI \u5e38\u7528 base64 \u7f16\u7801\uff0c\u8c03\u8bd5\u65f6\u9700\u8981 <strong>base64\u89e3\u7801\u5728\u7ebf<\/strong> \u5de5\u5177\u5feb\u901f\u67e5\u770b\u5185\u5bb9\u3002<\/li>\n<li class=\"list-group-item\">JWT\uff1aToken \u7684\u7b2c\u4e09\u6bb5\u901a\u5e38\u662f base64url\uff0c\u9700\u8981\u7528 <strong>base64url\u89e3\u7801<\/strong> \u800c\u975e\u666e\u901a base64\u3002<\/li>\n<li class=\"list-group-item\">\u63a5\u53e3\u8c03\u8bd5\uff1a\u6709\u65f6\u540e\u7aef\u8fd4\u56de\u88ab\u8f6c\u4e49\u7684 base64 \u4e32\uff0c\u76f4\u63a5\u7528 <strong>b64\u89e3\u7801<\/strong> \u4f1a\u62a5\u9519\uff0c\u9700\u8981\u5148\u6e05\u7406\u6362\u884c\u6216 padding\u3002<\/li>\n<\/ul>\n<h2 class=\"h2 mt-4\">\u5b9e\u8df5\uff1a\u5728\u7ebf\u5de5\u5177\u4e0e Python \u793a\u4f8b<\/h2>\n<p>\u719f\u7ec3\u4f7f\u7528\u5728\u7ebf\u5de5\u5177\uff0c\u5982 <a href=\"https:\/\/www.nimail.cn\/dev-tool\/base64-format.html\" target=\"_blank\" rel=\"noopener\">nimail \u7684\u5728\u7ebf base64 \u5de5\u5177<\/a>\uff0c\u80fd\u5728\u6e17\u900f\u6d4b\u8bd5\u3001\u63a5\u53e3\u8054\u8c03\u6216\u65e5\u5fd7\u5206\u6790\u65f6\u8282\u7701\u5927\u91cf\u65f6\u95f4\u3002\u4e0b\u9762\u7ed9\u51fa\u4e00\u4e2a\u7b80\u5355\u7684 Python \u793a\u4f8b\uff0c\u7528\u4e8e\u6f14\u793a <strong>base64\u89e3\u7801<\/strong> \u4e0e <strong>base64url\u89e3\u7801<\/strong> \u7684\u5dee\u522b\uff1a<\/p>\n<pre><code class=\"language-python\"># Python 3 \u793a\u4f8b\uff1abase64 \u4e0e base64url \u89e3\u7801\nimport base64\n\n# \u666e\u901a base64\ns = 'aGVsbG8gd29ybGQ='  # 'hello world'\nraw = base64.b64decode(s)\nprint(raw.decode('utf-8'))\n\n# base64url \u793a\u4f8b\uff08JWT \u5e38\u89c1\uff09\ns_url = 'eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9'  # header \u793a\u4f8b\n# \u8865\u9f50\u957f\u5ea6\u518d\u89e3\u7801\npadding = '=' * (-len(s_url) % 4)\ndecoded = base64.urlsafe_b64decode(s_url + padding)\nprint(decoded.decode('utf-8'))\n<\/code><\/pre>\n<div class=\"card mb-3\">\n<div class=\"card-body\">\n<h4 class=\"card-title\">\u8981\u70b9\u63d0\u793a<\/h4>\n<p class=\"card-text\">\u5f53\u4f60\u4f7f\u7528 <span class=\"badge bg-warning text-dark\">\u5728\u7ebfbase64\u89e3\u7801<\/span> \u6216 CLI\/\u4ee3\u7801\u65f6\uff0c\u6ce8\u610f <strong>padding<\/strong>\uff08&#8221;=&#8221;\uff09\u548c URL-safe \u7684\u5dee\u5f02\uff0c\u907f\u514d\u628a <span class=\"badge bg-secondary\">base64\u5728\u7ebf\u89e3\u5bc6<\/span> \u4e0e <span class=\"badge bg-secondary\">base64url\u89e3\u7801<\/span> \u6df7\u6dc6\u3002<\/p>\n<\/p><\/div>\n<\/div>\n<h3 class=\"h3 mt-3\">\u5feb\u901f\u5bf9\u6bd4\u8868\uff1a\u5e38\u7528\u89e3\u7801\u65b9\u6cd5<\/h3>\n<div class=\"table-responsive\">\n<table class=\"table table-striped\">\n<thead>\n<tr>\n<th>\u7c7b\u578b<\/th>\n<th>\u6807\u8bc6<\/th>\n<th>\u5e38\u89c1\u7528\u9014<\/th>\n<th>\u6ce8\u610f<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>base64<\/td>\n<td>\u6807\u51c6 + \/<\/td>\n<td>\u6587\u4ef6\u3001\u56fe\u7247\u3001HTTP body<\/td>\n<td>\u9700\u8981\u6b63\u786e padding<\/td>\n<\/tr>\n<tr>\n<td>base64url<\/td>\n<td>&#8211; _\uff08URL-safe\uff09<\/td>\n<td>JWT\u3001URL \u53c2\u6570<\/td>\n<td>\u5e38\u7f3a padding\uff0c\u9700\u8981\u8865\u9f50<\/td>\n<\/tr>\n<tr>\n<td>\u5728\u7ebf\u5de5\u5177<\/td>\n<td>\u7f51\u9875 + \u6821\u9a8c<\/td>\n<td>\u5feb\u901f\u9a8c\u8bc1\u3001\u683c\u5f0f\u5316<\/td>\n<td>\u6ce8\u610f\u9690\u79c1\uff0c\u4e0d\u8981\u4e0a\u4f20\u654f\u611f\u6570\u636e<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h2 class=\"h2 mt-4\">\u8c03\u8bd5\u6280\u5de7\u4e0e\u5e38\u89c1\u95ee\u9898\uff08\u5de5\u7a0b\u5e08\u89c6\u89d2\uff09<\/h2>\n<p>\u4e0b\u9762\u5217\u51fa\u6211\u5728\u9879\u76ee\u4e2d\u53cd\u590d\u9047\u5230\u7684\u95ee\u9898\u4e0e\u5904\u7406\u65b9\u6cd5\uff0c\u9002\u5408\u505a\u4e3a\u6392\u67e5\u6e05\u5355\uff1a<\/p>\n<ol class=\"list-group list-group-numbered mb-3\">\n<li class=\"list-group-item\">\u9047\u5230 <strong>base64\u89e3\u5bc6\u5728\u7ebf<\/strong> \u5de5\u5177\u5931\u8d25\uff0c\u5148\u68c0\u67e5\u5b57\u7b26\u4e32\u662f\u5426\u5305\u542b\u6362\u884c\u6216\u975e base64 \u5b57\u7b26\uff08\u5982\u7a7a\u683c\u3001\u9017\u53f7\uff09\u3002<\/li>\n<li class=\"list-group-item\">JWT \u89e3\u7801\u5931\u8d25\uff0c\u786e\u8ba4\u662f <strong>base64url\u89e3\u7801<\/strong>\uff0c\u5e76\u8865\u9f50 padding\uff08\u89c1\u4e0a\u9762 Python \u793a\u4f8b\uff09\u3002<\/li>\n<li class=\"list-group-item\">\u5982\u679c\u662f\u56fe\u7247\u663e\u793a\u5f02\u5e38\uff0c\u5c1d\u8bd5\u4f7f\u7528 <strong>base64\u5728\u7ebf\u7f16\u7801<\/strong> \u540e\u6bd4\u5bf9 data URI \u7684 mime type \u4e0e\u524d\u7f00\u3002<\/li>\n<\/ol>\n<div class=\"alert alert-warning\" role=\"alert\">\n  \u5b89\u5168\u63d0\u9192\uff1a\u7ebf\u4e0a\u4f7f\u7528 <strong>base64\u5728\u7ebf\u89e3\u7801<\/strong> \u6216 <strong>base64\u5728\u7ebf\u89e3\u5bc6<\/strong> \u65f6\uff0c<u>\u4e0d\u8981<\/u>\u5c06\u542b\u6709\u654f\u611f\u4fe1\u606f\uff08\u5bc6\u7801\u3001\u5bc6\u94a5\u3001PII\uff09\u7684\u6570\u636e\u7c98\u8d34\u5230\u516c\u5171\u7f51\u9875\u5de5\u5177\u3002\u53ef\u4ee5\u5728\u672c\u5730\u4f7f\u7528 <code>base64<\/code> \u547d\u4ee4\u6216\u4e0a\u8ff0 Python \u793a\u4f8b\u5b8c\u6210\u89e3\u7801\u3002\n<\/div>\n<h4 class=\"h4 mt-3\">\u5e38\u7528\u547d\u4ee4\u53c2\u8003<\/h4>\n<ul class=\"list-unstyled\">\n<li><span class=\"badge bg-light text-dark\">Linux<\/span> echo &#8216;aGVsbG8=&#8217; | base64 &#8211;decode<\/li>\n<li><span class=\"badge bg-light text-dark\">Python<\/span> \u53c2\u8003\u4e0a\u6587\u4ee3\u7801\uff0c\u6216\u7528 <code>python -c \"import base64;print(base64.b64decode('aGVsbG8='))\"<\/code><\/li>\n<\/ul>\n<p>\u5982\u679c\u4f60\u7ecf\u5e38\u5728\u5de5\u4f5c\u4e2d\u9047\u5230 base64\u3001b64\u89e3\u7801\u300164\u89e3\u7801 \u6216 base\u89e3\u7801 \u7684\u573a\u666f\uff0c\u5efa\u8bae\u628a <a href=\"https:\/\/www.nimail.cn\/dev-tool\/base64-format.html\" target=\"_blank\" rel=\"noopener\">nimail \u7684\u5de5\u5177<\/a> \u6536\u85cf\u4e3a\u8c03\u8bd5\u4e66\u7b7e\uff0c\u5e76\u5728\u672c\u5730\u811a\u672c\u4e2d\u5c01\u88c5\u5e38\u7528\u7684 <strong>base64\u89e3\u7801\u5728\u7ebf<\/strong> \u6d41\u7a0b\uff0c\u8fd9\u6837\u65e2\u80fd\u63d0\u9ad8\u6548\u7387\u53c8\u80fd\u964d\u4f4e\u8bef\u64cd\u4f5c\u98ce\u9669\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4ece\u5f00\u53d1\u8005\u89d2\u5ea6\u8bb2\u89e3base64\u89e3\u7801\u4e0ebase64url\u89e3\u7801\uff0c\u5305\u542b\u5728\u7ebf\u5de5\u5177\u793a\u4f8b\uff08https:\/\/www.nimail.cn\/dev-tool\/base64-format.html\uff09\u3001Python\u793a\u4f8b\u4ee3\u7801\u4e0e\u5bf9\u6bd4\u8868\uff0c\u9002\u5408\u5de5\u7a0b\u5b9e\u6218\u53c2\u8003\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":[113,115,102],"class_list":{"0":"post-860","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"hentry","6":"category-best-articles","7":"tag-base64","9":"tag-base"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.3.1 - 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