{"id":892,"date":"2026-03-05T00:25:01","date_gmt":"2026-03-05T00:25:01","guid":{"rendered":"https:\/\/blog.nimail.cn\/?p=892"},"modified":"2026-03-05T00:25:01","modified_gmt":"2026-03-05T00:25:01","slug":"2026%e5%b9%b4%e8%85%be%e8%ae%af%e5%b7%a5%e7%a8%8b%e5%b8%88%e8%b0%88base64%e8%a7%a3%e7%a0%81%e5%ae%9e%e6%88%98","status":"publish","type":"post","link":"https:\/\/blog.nimail.cn\/best-articles\/2026%e5%b9%b4%e8%85%be%e8%ae%af%e5%b7%a5%e7%a8%8b%e5%b8%88%e8%b0%88base64%e8%a7%a3%e7%a0%81%e5%ae%9e%e6%88%98\/","title":{"rendered":"2026\u5e74\u817e\u8baf\u5de5\u7a0b\u5e08\u8c08Base64\u89e3\u7801\u5b9e\u6218"},"content":{"rendered":"<div class='row'>\n<div class='col-12'>\n<h2 class='h3 mb-3'>Base64 \u5728\u7ebf\u4e0e\u79bb\u7ebf\u89e3\u7801\u7684\u73b0\u5b9e\u9700\u6c42<\/h2>\n<p>\u5728\u65e5\u5e38\u5f00\u53d1\u3001\u65e5\u5fd7\u6392\u67e5\u3001\u63a5\u53e3\u8c03\u8bd5\u4e2d\uff0c<strong>base64\u89e3\u7801<\/strong>\u51e0\u4e4e\u662f\u5fc5\u8981\u6280\u80fd\u3002\u65e0\u8bba\u4f60\u641c\u7d22 <span class='badge bg-secondary me-1'>base64\u5728\u7ebf\u89e3\u7801<\/span>\u3001<span class='badge bg-secondary me-1'>base64\u89e3\u5bc6<\/span> \u8fd8\u662f <span class='badge bg-secondary me-1'>base64url\u89e3\u7801<\/span>\uff0c\u6838\u5fc3\u76ee\u7684\u4e00\u822c\u662f\u5c06\u7f16\u7801\u6587\u672c\u8fd8\u539f\u4e3a\u53ef\u8bfb\u6570\u636e\u6216\u4e8c\u8fdb\u5236\u6587\u4ef6\u3002\u5bf9\u4e8e\u5de5\u7a0b\u56e2\u961f\uff0c\u9009\u62e9\u9760\u8c31\u7684 <span class='badge bg-info me-1'>\u5728\u7ebfbase64<\/span> \u5de5\u5177\u80fd\u8282\u7701\u5927\u91cf\u65f6\u95f4\u3002<\/p>\n<div class='alert alert-info' role='alert'>\n      \u5c0f\u63d0\u793a\uff1a\u5982\u679c\u6570\u636e\u5305\u542bURL\u5b89\u5168\u7684 base64\uff08\u5373 <code>-<\/code> \u548c <code>_<\/code>\uff09\uff0c\u8bf7\u4f7f\u7528 <strong>base64url\u89e3\u7801<\/strong>\uff0c\u4ee5\u514d\u89e3\u7801\u5931\u8d25\u3002\n    <\/div>\n<h3 class='h4 mt-4'>\u63a8\u8350\u6848\u4f8b\uff1a\u4f7f\u7528\u5728\u7ebf\u5de5\u5177\u5feb\u901f\u6821\u9a8c<\/h3>\n<p>\u5728\u65e5\u5e38\u5de5\u4f5c\u6211\u5e38\u901a\u8fc7\u7b2c\u4e09\u65b9\u5728\u7ebf\u5de5\u5177\u505a\u521d\u6b65\u6821\u9a8c\uff0c\u6bd4\u5982 <a href='https:\/\/www.nimail.cn\/dev-tool\/base64-format.html' target='_blank' rel='noopener'>nimail \u7684 Base64 \u5de5\u5177<\/a>\u3002\u8be5\u9875\u652f\u6301 <span class='badge bg-primary me-1'>base64\u5728\u7ebf\u7f16\u7801<\/span>\u3001<span class='badge bg-primary me-1'>base64\u5728\u7ebf\u89e3\u5bc6<\/span> \u548c\u683c\u5f0f\u5316\u663e\u793a\uff0c\u9002\u5408\u5feb\u901f\u628a\u63e1\u6570\u636e\u5185\u5bb9\uff0c\u5c24\u5176\u5728\u65e5\u5fd7\u6216\u90ae\u4ef6\u5934\u89e3\u6790\u65f6\u975e\u5e38\u65b9\u4fbf\u3002<\/p>\n<div class='card mb-3'>\n<div class='card-body'>\n<h4 class='card-title h5'>\u5de5\u5177\u901f\u89c8<\/h4>\n<p class='card-text'>nimail \u7684\u5de5\u5177\u9875\u9762\u63d0\u4f9b\u8f93\u5165\/\u8f93\u51fa\u533a\u548c\u9009\u9879\uff0c\u53ef\u4ee5\u5728\u6d4f\u89c8\u5668\u91cc\u5b8c\u6210 <strong>base64\u89e3\u7801\u5728\u7ebf<\/strong> \u7684\u5927\u591a\u6570\u9700\u6c42\uff1a\u6587\u672c\u9884\u89c8\u3001\u4e8c\u8fdb\u5236\u5bfc\u51fa\u6216\u91cd\u65b0\u7f16\u7801\u4e3a URL-safe \u5f62\u5f0f\u3002<\/p>\n<p>        <a href='https:\/\/www.nimail.cn\/dev-tool\/base64-format.html' class='btn btn-sm btn-outline-primary' target='_blank' rel='noopener'>\u6253\u5f00\u793a\u4f8b\u9875\u9762<\/a>\n      <\/div>\n<\/p><\/div>\n<h2 class='h3 mt-4'>\u5b9e\u6218\uff1aPython \u793a\u4f8b\u4e0e\u6ce8\u610f\u70b9<\/h2>\n<p>\u6709\u65f6\u5019\u5728\u7ebf\u5de5\u5177\u4e0d\u9002\u5408\u5927\u6279\u91cf\u6216\u81ea\u52a8\u5316\u573a\u666f\uff0c\u8fd9\u65f6\u7528 Python \u5c31\u975e\u5e38\u65b9\u4fbf\u3002\u4e0b\u9762\u7ed9\u51fa\u4e00\u4e2a\u5e38\u89c1\u7684\u89e3\u7801\u793a\u4f8b\uff0c\u5305\u542b\u5bf9 <strong>base64<\/strong> \u4e0e <strong>base64url<\/strong> \u7684\u5904\u7406\u903b\u8f91\u3002<\/p>\n<pre><code class='language-python'>import base64\n\ndef decode_base64(s: str) -> bytes:\n    \"\"\"\u81ea\u52a8\u8bc6\u522b\u5e76\u89e3\u7801\u6807\u51c6 base64 \u6216 base64url\u3002\"\"\"\n    s = s.strip()  # \u53bb\u9664\u9996\u5c3e\u7a7a\u767d\n    # base64url \u8f6c\u6362\u4e3a\u6807\u51c6 base64\n    s = s.replace('-', '+').replace('_', '\/')\n    # \u8865\u9f50 '='\n    padding = len(s) % 4\n    if padding:\n        s += '=' * (4 - padding)\n    return base64.b64decode(s)\n\n# \u4f7f\u7528\u793a\u4f8b\nif __name__ == '__main__':\n    sample = '5L2g5aW9'  # UTF-8 \u7684 '\u4f60\u597d' \u7684 base64\n    data = decode_base64(sample)\n    print(data.decode('utf-8'))\n<\/code><\/pre>\n<div class='alert alert-warning' role='alert'>\n      \u6ce8\u610f\uff1a\u5f53\u8f93\u5165\u662f URL \u53c2\u6570\u6216 cookie \u4e2d\u7684 base64 (\u5373 <span class='fw-bold'>base64url<\/span>)\uff0c\u9700\u8981\u5148\u628a <code>-<\/code>\/<code>_<\/code> \u8f6c\u56de\u6807\u51c6\u5b57\u7b26\u5e76\u8865\u9f50 <code>=<\/code>\uff0c\u5426\u5219\u4f1a\u629b\u51fa\u9519\u8bef\u3002<\/div>\n<h3 class='h4 mt-4'>\u5bf9\u6bd4\uff1a\u5728\u7ebf\u5de5\u5177 vs \u811a\u672c<\/h3>\n<table class='table table-striped align-middle'>\n<thead>\n<tr>\n<th>\u573a\u666f<\/th>\n<th>\u5728\u7ebf\u5de5\u5177<\/th>\n<th>\u811a\u672c\/\u547d\u4ee4\u884c<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u5feb\u901f\u67e5\u770b<\/td>\n<td>\u4fbf\u6377\u3001\u754c\u9762\u53cb\u597d\uff08\u4f8b\u5982 nimail\uff09<\/td>\n<td>\u4e0d\u4fbf\uff0c\u9700\u8fd0\u884c\u73af\u5883<\/td>\n<\/tr>\n<tr>\n<td>\u6279\u91cf\u5904\u7406<\/td>\n<td>\u6548\u7387\u4f4e\u3001\u9700\u5bfc\u5165\u5bfc\u51fa<\/td>\n<td>\u81ea\u52a8\u5316\u3001\u53ef\u96c6\u6210\u5230 CI\/CD<\/td>\n<\/tr>\n<tr>\n<td>\u654f\u611f\u6570\u636e<\/td>\n<td>\u98ce\u9669\u8f83\u9ad8\uff0c\u614e\u7528\u516c\u7f51\u5de5\u5177<\/td>\n<td>\u66f4\u53ef\u63a7\uff0c\u53ef\u5728\u53d7\u9650\u7f51\u7edc\u6267\u884c<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2 class='h3 mt-4'>\u51e0\u4e2a\u5e38\u89c1\u95ee\u9898\u4e0e\u5b9e\u8df5\u5efa\u8bae<\/h2>\n<ul class='list-group mb-3'>\n<li class='list-group-item'>\u5982\u679c\u9047\u5230 <strong>Illegal base64 character<\/strong>\uff0c\u8bf7\u68c0\u67e5\u662f\u5426\u5305\u542b\u975e base64 \u5b57\u7b26\u6216\u662f\u5426\u662f <span class='badge bg-secondary me-1'>base64url\u89e3\u7801<\/span> \u573a\u666f\u3002<\/li>\n<li class='list-group-item'>\u5c3d\u91cf\u907f\u514d\u628a\u654f\u611f\u51ed\u8bc1\u7c98\u8d34\u5230\u4e0d\u53d7\u4fe1\u4efb\u7684 <span class='badge bg-danger me-1'>\u5728\u7ebfbase64<\/span> \u7f51\u7ad9\uff1b\u5728\u516c\u53f8\u5185\u90e8\u53ef\u90e8\u7f72\u79c1\u6709\u5de5\u5177\u3002<\/li>\n<li class='list-group-item'>\u8c03\u8bd5\u65f6\u53ef\u5bf9\u6bd4 <strong>base64\u89e3\u7801\u5728\u7ebf<\/strong> \u7ed3\u679c\u4e0e\u672c\u5730\u811a\u672c\u8f93\u51fa\uff0c\u5feb\u901f\u5b9a\u4f4d\u7f16\u7801\u5dee\u5f02\u3002<\/li>\n<\/ul>\n<p>\u5728\u56e2\u961f\u5b9e\u8df5\u4e2d\uff0c\u6211\u5efa\u8bae\u628a <strong>base64\u89e3\u7801<\/strong> \u7684\u5173\u952e\u77e5\u8bc6\u70b9\u5199\u6210\u5c0f\u6284\uff0c\u5305\u542b <span class='badge bg-success me-1'>\u6807\u51c6 base64<\/span> \u4e0e <span class='badge bg-success me-1'>base64url<\/span> \u7684\u533a\u522b\u3001\u8865\u9f50\u89c4\u5219\u548c\u5e38\u89c1\u9519\u8bef\u4fe1\u606f\u3002\u8fd9\u6837\u65b0\u4eba\u4e0a\u624b\u548c\u6392\u67e5\u90fd\u4f1a\u5feb\u5f88\u591a\u3002<\/p>\n<div class='alert alert-secondary' role='alert'>\u793a\u4f8b\u5173\u952e\u8bcd\uff1a<span class='badge bg-light text-dark me-1'>base\u89e3\u7801<\/span><span class='badge bg-light text-dark me-1'>64\u89e3\u7801<\/span><span class='badge bg-light text-dark me-1'>b64\u89e3\u7801<\/span><\/div>\n<p>\u5982\u679c\u4f60\u9700\u8981\u628a\u8fd9\u7c7b\u5de5\u5177\u96c6\u6210\u5230\u5185\u90e8\u9875\u9762\uff0c\u53ef\u53c2\u8003 nimail \u7684\u4ea4\u4e92\u7ec6\u8282\uff1a\u4e00\u4e2a\u6e05\u6670\u7684\u8f93\u5165\u533a\u3001\u9009\u9879\u5207\u6362\uff08\u6807\u51c6\/URL-safe\uff09\u3001\u4ee5\u53ca\u7ed3\u679c\u7684\u4e8c\u8fdb\u5236\u4e0b\u8f7d\u6309\u94ae\uff0c\u80fd\u663e\u8457\u63d0\u5347\u65e5\u5e38\u8c03\u8bd5\u6548\u7387\u3002<\/p>\n<\/p><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u4f5c\u4e3a\u8d44\u6df1\u5f00\u53d1\u8005\uff0c\u4ece\u5b9e\u8df5\u89d2\u5ea6\u8bb2\u89e3base64\u89e3\u7801\u4e0e\u5728\u7ebf\u5de5\u5177\u4f7f\u7528\uff0c\u5305\u542bPython\u793a\u4f8b\u4e0e\u7f51\u7ad9\u6848\u4f8b\uff08https:\/\/www.nimail.cn\/dev-tool\/base64-format.html\uff09\uff0c\u5e26\u6765\u53ef\u76f4\u63a5\u5e94\u7528\u7684\u6280\u5de7\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":[169,102,170],"class_list":["post-892","post","type-post","status-publish","format-standard","hentry","category-best-articles","tag-base64","tag-base","tag-base64-base64url"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.3.1 - 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