{"id":46380,"date":"2023-08-02T19:07:55","date_gmt":"2023-08-02T11:07:55","guid":{"rendered":"https:\/\/docs.pingcode.com\/?p=46380"},"modified":"2023-08-02T19:07:57","modified_gmt":"2023-08-02T11:07:57","slug":"base64%e5%85%a5%e6%b5%81%e5%87%ba%e6%b5%81%e5%8c%ba%e5%88%ab%e6%98%af%e4%bb%80%e4%b9%88","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/46380.html","title":{"rendered":"base64\u5165\u6d41\u51fa\u6d41\u533a\u522b\u662f\u4ec0\u4e48"},"content":{"rendered":"\n<blockquote class=\"wp-block-quote\">\n<p>base64\u5165\u6d41\u51fa\u6d41\u533a\u522b\u662f\uff1a1\u3001Base64\u5165\u6d41\u662f\u5c06\u4e8c\u8fdb\u5236\u6570\u636e\u7f16\u7801\u6210Base64\u683c\u5f0f\u7684\u6570\u636e\u6d41\uff1b2\u3001Base64\u51fa\u6d41\u662f\u5c06Base64\u7f16\u7801\u7684\u6570\u636e\u89e3\u7801\u4e3a\u539f\u59cb\u7684\u4e8c\u8fdb\u5236\u6570\u636e\u6d41\u3002\u8fd9\u4e24\u79cd\u64cd\u4f5c\u662fBase64\u7f16\u7801\u548c\u89e3\u7801\u7684\u57fa\u672c\u8fc7\u7a0b\u3002\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0cBase64\u5e38\u7528\u4e8e\u7f51\u7edc\u4f20\u8f93\u3001\u6570\u636e\u5b58\u50a8\u548c\u6570\u636e\u52a0\u5bc6\u7b49\u573a\u666f\uff0c\u7279\u522b\u662f\u5728\u9700\u8981\u5c06\u4e8c\u8fdb\u5236\u6570\u636e\u8f6c\u6362\u4e3a\u53ef\u6253\u5370\u5b57\u7b26\u7684\u60c5\u51b5\u4e0b\u3002\u901a\u8fc7\u4f7f\u7528Base64\u5165\u6d41\u548c\u51fa\u6d41\uff0c\u53ef\u4ee5\u65b9\u4fbf\u5730\u5b9e\u73b0\u4e8c\u8fdb\u5236\u6570\u636e\u4e0eBase64\u7f16\u7801\u5b57\u7b26\u4e32\u4e4b\u95f4\u7684\u76f8\u4e92\u8f6c\u6362\u3002<\/p>\n<\/blockquote>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"680\" height=\"421\" src=\"https:\/\/cdn-docs.pingcode.com\/wp-content\/uploads\/2023\/08\/pingcode\u6b63\u6587-15.jpg?x-oss-process=image\/auto-orient,1\/format,webp\" alt=\"\" class=\"wp-image-46382\" srcset=\"https:\/\/cdn-docs.pingcode.com\/wp-content\/uploads\/2023\/08\/pingcode\u6b63\u6587-15.jpg 680w, https:\/\/cdn-docs.pingcode.com\/wp-content\/uploads\/2023\/08\/pingcode\u6b63\u6587-15-300x186.jpg 300w\" sizes=\"(max-width: 680px) 100vw, 680px\" \/><\/figure><\/div>\n\n\n<h2 class=\"wp-block-heading\"><strong>\u4e00\u3001Base64\u5165\u6d41\uff08Encoding\uff09<\/strong><\/h2>\n\n\n\n<p>Base64\u5165\u6d41\u662f\u5c06\u4e8c\u8fdb\u5236\u6570\u636e\u7f16\u7801\u6210Base64\u683c\u5f0f\u7684\u6570\u636e\u6d41\u3002\u8fd9\u610f\u5473\u7740\u5c06\u539f\u59cb\u7684\u4e8c\u8fdb\u5236\u6570\u636e\u8f6c\u6362\u4e3a\u53ef\u6253\u5370\u7684Base64\u7f16\u7801\u5b57\u7b26\u4e32\u3002\u5728Java\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7Base64\u7c7b\u7684<code>getEncoder()<\/code>\u65b9\u6cd5\u83b7\u53d6Base64.Encoder\u5bf9\u8c61\uff0c\u7136\u540e\u4f7f\u7528\u8be5\u5bf9\u8c61\u7684<code>encodeToString(byte[] src)<\/code>\u65b9\u6cd5\u6765\u5b9e\u73b0Base64\u7f16\u7801\u3002<\/p>\n\n\n\n<p>\u4e0b\u9762\u662fBase64\u5165\u6d41\u7684\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>import java.util.Base64;\r\n\r\npublic class Base64EncodingExample {\r\n    public static void main(String&#091;] args) {\r\n        String originalData = \"Hello, Base64!\";\r\n        byte&#091;] binaryData = originalData.getBytes();\r\n        \r\n        Base64.Encoder encoder = Base64.getEncoder();\r\n        String encodedData = encoder.encodeToString(binaryData);\r\n        \r\n        System.out.println(\"Encoded Data: \" + encodedData);\r\n    }\r\n}\r<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u4e8c\u3001Base64\u51fa\u6d41\uff08Decoding\uff09<\/strong><\/h2>\n\n\n\n<p>Base64\u51fa\u6d41\u662f\u5c06Base64\u7f16\u7801\u7684\u6570\u636e\u89e3\u7801\u4e3a\u539f\u59cb\u7684\u4e8c\u8fdb\u5236\u6570\u636e\u6d41\u3002\u8fd9\u610f\u5473\u7740\u5c06Base64\u7f16\u7801\u7684\u5b57\u7b26\u4e32\u8fd8\u539f\u4e3a\u539f\u59cb\u7684\u4e8c\u8fdb\u5236\u6570\u636e\u3002\u5728Java\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7Base64\u7c7b\u7684<code>getDecoder()<\/code>\u65b9\u6cd5\u83b7\u53d6Base64.Decoder\u5bf9\u8c61\uff0c\u7136\u540e\u4f7f\u7528\u8be5\u5bf9\u8c61\u7684<code>decode(String src)<\/code>\u65b9\u6cd5\u6765\u5b9e\u73b0Base64\u89e3\u7801\u3002<\/p>\n\n\n\n<p>\u4e0b\u9762\u662fBase64\u51fa\u6d41\u7684\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>import java.util.Base64;\r\n\r\npublic class Base64DecodingExample {\r\n    public static void main(String&#091;] args) {\r\n        String encodedData = \"SGVsbG8sIEJhc2U2NCE=\";\r\n        \r\n        Base64.Decoder decoder = Base64.getDecoder();\r\n        byte&#091;] binaryData = decoder.decode(encodedData);\r\n        \r\n        String originalData = new String(binaryData);\r\n        System.out.println(\"Decoded Data: \" + originalData);\r\n    }\r\n}\r<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e09\u3001<strong>\u533a\u522b\u4e0e\u8054\u7cfb<\/strong><\/h2>\n\n\n\n<ul>\n<li>Base64\u5165\u6d41\u662f\u5c06\u4e8c\u8fdb\u5236\u6570\u636e\u7f16\u7801\u4e3aBase64\u683c\u5f0f\u7684\u6570\u636e\u6d41\uff0c\u8fd4\u56de\u4e00\u4e2aBase64\u7f16\u7801\u7684\u5b57\u7b26\u4e32\u3002<\/li>\n\n\n\n<li>Base64\u51fa\u6d41\u662f\u5c06Base64\u7f16\u7801\u7684\u6570\u636e\u89e3\u7801\u4e3a\u539f\u59cb\u7684\u4e8c\u8fdb\u5236\u6570\u636e\u6d41\uff0c\u8fd4\u56de\u4e00\u4e2abyte\u6570\u7ec4\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u8fd9\u4e24\u79cd\u64cd\u4f5c\u662fBase64\u7f16\u7801\u548c\u89e3\u7801\u7684\u57fa\u672c\u8fc7\u7a0b\u3002\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0cBase64\u5e38\u7528\u4e8e\u7f51\u7edc\u4f20\u8f93\u3001\u6570\u636e\u5b58\u50a8\u548c\u6570\u636e\u52a0\u5bc6\u7b49\u573a\u666f\uff0c\u7279\u522b\u662f\u5728\u9700\u8981\u5c06\u4e8c\u8fdb\u5236\u6570\u636e\u8f6c\u6362\u4e3a\u53ef\u6253\u5370\u5b57\u7b26\u7684\u60c5\u51b5\u4e0b\u3002\u901a\u8fc7\u4f7f\u7528Base64\u5165\u6d41\u548c\u51fa\u6d41\uff0c\u53ef\u4ee5\u65b9\u4fbf\u5730\u5b9e\u73b0\u4e8c\u8fdb\u5236\u6570\u636e\u4e0eBase64\u7f16\u7801\u5b57\u7b26\u4e32\u4e4b\u95f4\u7684\u76f8\u4e92\u8f6c\u6362\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\" \/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u5ef6\u4f38\u9605\u8bfb<\/strong><\/h2>\n\n\n\n<p><strong>Base64\u7684\u5e94\u7528<\/strong><\/p>\n\n\n\n<p>Base64\u7f16\u7801\u662f\u4e00\u79cd\u5e38\u7528\u7684\u6570\u636e\u7f16\u7801\u65b9\u5f0f\uff0c\u9664\u4e86\u5728\u7f51\u7edc\u4f20\u8f93\u548c\u6570\u636e\u5b58\u50a8\u4e2d\u5e7f\u6cdb\u5e94\u7528\u4e4b\u5916\uff0c\u8fd8\u6709\u4e00\u4e9b\u5176\u4ed6\u6709\u8da3\u7684\u5e94\u7528\u573a\u666f\u3002<\/p>\n\n\n\n<ol>\n<li>\u56fe\u7247\u8f6c\u6362\uff1aBase64\u7f16\u7801\u53ef\u4ee5\u5c06\u56fe\u7247\u8f6c\u6362\u4e3a\u6587\u672c\u683c\u5f0f\uff0c\u65b9\u4fbf\u5728\u6587\u672c\u534f\u8bae\u4e2d\u4f20\u8f93\u56fe\u7247\u6570\u636e\u3002<\/li>\n\n\n\n<li>\u6570\u636e\u52a0\u5bc6\uff1aBase64\u7f16\u7801\u53ef\u4ee5\u5bf9\u654f\u611f\u6570\u636e\u8fdb\u884c\u7b80\u5355\u7684\u52a0\u5bc6\uff0c\u867d\u7136\u4e0d\u662f\u771f\u6b63\u7684\u52a0\u5bc6\u7b97\u6cd5\uff0c\u4f46\u53ef\u4ee5\u589e\u52a0\u6570\u636e\u7684\u5b89\u5168\u6027\u3002<\/li>\n\n\n\n<li>URL\u4f20\u53c2\uff1aBase64\u7f16\u7801\u53ef\u4ee5\u5c06URL\u4e2d\u7684\u53c2\u6570\u8fdb\u884c\u7f16\u7801\uff0c\u907f\u514d\u7279\u6b8a\u5b57\u7b26\u5bf9URL\u7684\u5f71\u54cd\u3002<\/li>\n\n\n\n<li>Cookie\u5b58\u50a8\uff1aBase64\u7f16\u7801\u53ef\u4ee5\u5c06\u4e8c\u8fdb\u5236\u6570\u636e\u5b58\u50a8\u5728Cookie\u4e2d\uff0c\u4fbf\u4e8e\u5728\u4e0d\u540c\u9875\u9762\u4e4b\u95f4\u4f20\u9012\u6570\u636e\u3002<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"base64\u5165\u6d41\u51fa\u6d41\u533a\u522b\u662f\uff1a1\u3001Base64\u5165\u6d41\u662f\u5c06\u4e8c\u8fdb\u5236\u6570\u636e\u7f16\u7801\u6210Base64\u683c\u5f0f\u7684\u6570\u636e\u6d41\uff1b2\u3001Base64 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