{"id":195903,"date":"2024-11-13T18:52:20","date_gmt":"2024-11-13T10:52:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/195903\/"},"modified":"2024-11-13T18:52:21","modified_gmt":"2024-11-13T10:52:21","slug":"%e6%80%8e%e9%ba%bc%e5%b0%87base64%e5%9c%96%e7%89%87%e5%ad%98%e5%84%b2%e5%9c%a8%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%ef%bc%9f-base64%e5%9c%96%e7%89%87%e6%80%8e%e9%ba%bc%e5%ad%98%e6%95%b8%e6%93%9a","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/195903\/","title":{"rendered":"\u600e\u9ebc\u5c07base64\u5716\u7247\u5b58\u5132\u5728\u6578\u64da\u5eab\u4e2d\uff1f (base64\u5716\u7247\u600e\u9ebc\u5b58\u6578\u64da\u5eab)"},"content":{"rendered":"<h1 id=\"%e6%80%8e%e9%ba%bc%e5%b0%87base64%e5%9c%96%e7%89%87%e5%ad%98%e5%84%b2%e5%9c%a8%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%ef%bc%9f-jhjtRMoRnj\">\u600e\u9ebc\u5c07base64\u5716\u7247\u5b58\u5132\u5728\u6578\u64da\u5eab\u4e2d\uff1f<\/h1>\n<p>\u5728\u73fe\u4ee3\u7684\u7db2\u9801\u958b\u767c\u4e2d\uff0c\u5716\u7247\u7684\u5b58\u5132\u548c\u7ba1\u7406\u662f\u4e00\u500b\u91cd\u8981\u7684\u8ab2\u984c\u3002\u96a8\u8457\u6280\u8853\u7684\u9032\u6b65\uff0cbase64\u7de8\u78bc\u7684\u5716\u7247\u9010\u6f38\u6210\u70ba\u4e00\u7a2e\u6d41\u884c\u7684\u5b58\u5132\u65b9\u5f0f\u3002\u9019\u7a2e\u65b9\u6cd5\u4e0d\u50c5\u53ef\u4ee5\u6e1b\u5c11HTTP\u8acb\u6c42\u7684\u6578\u91cf\uff0c\u9084\u80fd\u7c21\u5316\u5716\u7247\u7684\u50b3\u8f38\u904e\u7a0b\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5c07base64\u5716\u7247\u5b58\u5132\u5728\u6578\u64da\u5eab\u4e2d\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%afbase64%e7%b7%a8%e7%a2%bc%ef%bc%9f-jhjtRMoRnj\">\u4ec0\u9ebc\u662fBase64\u7de8\u78bc\uff1f<\/h2>\n<p>Base64\u662f\u4e00\u7a2e\u5c07\u4e8c\u9032\u5236\u6578\u64da\u8f49\u63db\u70baASCII\u5b57\u7b26\u7684\u7de8\u78bc\u65b9\u5f0f\u3002\u9019\u7a2e\u7de8\u78bc\u65b9\u5f0f\u5e38\u7528\u65bc\u5728\u7db2\u7d61\u4e0a\u50b3\u8f38\u6578\u64da\uff0c\u7279\u5225\u662f\u5716\u7247\u548c\u6587\u4ef6\u3002Base64\u7de8\u78bc\u7684\u5716\u7247\u901a\u5e38\u4ee5\u4e00\u4e32\u5b57\u7b26\u8868\u793a\uff0c\u4e26\u4ee5\u7279\u5b9a\u7684\u683c\u5f0f\u958b\u982d\uff0c\u4f8b\u5982\uff1a<\/p>\n<pre>\ndata:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAUA...\n<\/pre>\n<p>\u9019\u6bb5\u5b57\u7b26\u4e32\u5305\u542b\u4e86\u5716\u7247\u7684\u683c\u5f0f\u548c\u7de8\u78bc\u5f8c\u7684\u6578\u64da\u3002\u9019\u4f7f\u5f97\u5728HTML\u4e2d\u76f4\u63a5\u5d4c\u5165\u5716\u7247\u8b8a\u5f97\u975e\u5e38\u65b9\u4fbf\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%81%b8%e6%93%87%e5%b0%87base64%e5%9c%96%e7%89%87%e5%ad%98%e5%84%b2%e5%9c%a8%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%ef%bc%9f-jhjtRMoRnj\">\u70ba\u4ec0\u9ebc\u9078\u64c7\u5c07Base64\u5716\u7247\u5b58\u5132\u5728\u6578\u64da\u5eab\u4e2d\uff1f<\/h2>\n<ul>\n<li><strong>\u6e1b\u5c11\u8acb\u6c42\u6578\u91cf\uff1a<\/strong>\u5c07\u5716\u7247\u4ee5Base64\u683c\u5f0f\u5b58\u5132\u5728\u6578\u64da\u5eab\u4e2d\uff0c\u53ef\u4ee5\u6e1b\u5c11\u7db2\u9801\u52a0\u8f09\u6642\u7684HTTP\u8acb\u6c42\u6578\u91cf\uff0c\u5f9e\u800c\u63d0\u9ad8\u52a0\u8f09\u901f\u5ea6\u3002<\/li>\n<li><strong>\u7c21\u5316\u7ba1\u7406\uff1a<\/strong>\u6240\u6709\u6578\u64da\u90fd\u96c6\u4e2d\u5728\u6578\u64da\u5eab\u4e2d\uff0c\u4fbf\u65bc\u7ba1\u7406\u548c\u5099\u4efd\u3002<\/li>\n<li><strong>\u5b89\u5168\u6027\uff1a<\/strong>\u5c07\u5716\u7247\u5b58\u5132\u5728\u6578\u64da\u5eab\u4e2d\u53ef\u4ee5\u63d0\u9ad8\u5b89\u5168\u6027\uff0c\u56e0\u70ba\u5716\u7247\u4e0d\u6703\u76f4\u63a5\u66b4\u9732\u5728\u6587\u4ef6\u7cfb\u7d71\u4e2d\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e5%b0%87base64%e5%9c%96%e7%89%87%e5%ad%98%e5%84%b2%e5%9c%a8%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%ef%bc%9f-jhjtRMoRnj\">\u5982\u4f55\u5c07Base64\u5716\u7247\u5b58\u5132\u5728\u6578\u64da\u5eab\u4e2d\uff1f<\/h2>\n<p>\u4ee5\u4e0b\u662f\u5c07Base64\u5716\u7247\u5b58\u5132\u5728\u6578\u64da\u5eab\u4e2d\u7684\u57fa\u672c\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a8%ad%e8%a8%88-jhjtRMoRnj\">1. \u6578\u64da\u5eab\u8a2d\u8a08<\/h3>\n<p>\u9996\u5148\uff0c\u60a8\u9700\u8981\u8a2d\u8a08\u4e00\u500b\u5408\u9069\u7684\u6578\u64da\u5eab\u8868\u4f86\u5b58\u5132\u5716\u7247\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u8868\u7d50\u69cb\u793a\u4f8b\uff1a<\/p>\n<pre>\nCREATE TABLE images (\n    id INT AUTO_INCREMENT PRIMARY KEY,\n    image_data LONGTEXT NOT NULL,\n    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP\n);\n<\/pre>\n<h3 id=\"2-%e5%b0%87base64%e5%9c%96%e7%89%87%e6%8f%92%e5%85%a5%e6%95%b8%e6%93%9a%e5%ba%ab-jhjtRMoRnj\">2. \u5c07Base64\u5716\u7247\u63d2\u5165\u6578\u64da\u5eab<\/h3>\n<p>\u63a5\u4e0b\u4f86\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u78bc\u5c07Base64\u5716\u7247\u63d2\u5165\u5230\u6578\u64da\u5eab\u4e2d\u3002\u9019\u88e1\u4ee5PHP\u70ba\u4f8b\uff1a<\/p>\n<pre>\nconnect_error) {\n    die(\"Connection failed: \" . $conn-&gt;connect_error);\n}\n\n\/\/ \u63d2\u5165\u6578\u64da\n$stmt = $conn-&gt;prepare(\"INSERT INTO images (image_data) VALUES (?)\");\n$stmt-&gt;bind_param(\"s\", $image_data);\n$stmt-&gt;execute();\n\necho \"\u5716\u7247\u5df2\u6210\u529f\u5b58\u5132\uff01\";\n$stmt-&gt;close();\n$conn-&gt;close();\n?&gt;\n<\/pre>\n<h3 id=\"3-%e5%be%9e%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e6%aa%a2%e7%b4%a2base64%e5%9c%96%e7%89%87-jhjtRMoRnj\">3. \u5f9e\u6578\u64da\u5eab\u4e2d\u6aa2\u7d22Base64\u5716\u7247<\/h3>\n<p>\u8981\u5f9e\u6578\u64da\u5eab\u4e2d\u6aa2\u7d22\u4e26\u986f\u793a\u5716\u7247\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u78bc\uff1a<\/p>\n<pre>\nconnect_error) {\n    die(\"Connection failed: \" . $conn-&gt;connect_error);\n}\n\n\/\/ \u67e5\u8a62\u6578\u64da\n$result = $conn-&gt;query(\"SELECT image_data FROM images WHERE id = 1\");\n$row = $result-&gt;fetch_assoc();\n$image_data = $row['image_data'];\n\necho '<img decoding=\"async\" src=\"image\/png;base64,' . $image_data . '\" \/>';\n$conn-&gt;close();\n?&gt;\n<\/pre>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-jhjtRMoRnj\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<ul>\n<li>Base64\u7de8\u78bc\u6703\u589e\u52a0\u6578\u64da\u7684\u5927\u5c0f\uff0c\u901a\u5e38\u6703\u6bd4\u539f\u59cb\u5716\u7247\u5927\u7d0433%\u3002\u56e0\u6b64\uff0c\u5c0d\u65bc\u5927\u578b\u5716\u7247\uff0c\u5efa\u8b70\u4f7f\u7528\u6587\u4ef6\u7cfb\u7d71\u5b58\u5132\u3002<\/li>\n<li>\u78ba\u4fdd\u6578\u64da\u5eab\u7684\u5b57\u6bb5\u985e\u578b\u80fd\u5920\u5bb9\u7d0dBase64\u7de8\u78bc\u5f8c\u7684\u6578\u64da\uff0c\u901a\u5e38\u4f7f\u7528LONGTEXT\u985e\u578b\u3002<\/li>\n<li>\u8003\u616e\u5230\u6027\u80fd\uff0c\u5c0d\u65bc\u983b\u7e41\u8a2a\u554f\u7684\u5716\u7247\uff0c\u5efa\u8b70\u4f7f\u7528\u7de9\u5b58\u6280\u8853\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-jhjtRMoRnj\">\u7e3d\u7d50<\/h2>\n<p>\u5c07Base64\u5716\u7247\u5b58\u5132\u5728\u6578\u64da\u5eab\u4e2d\u662f\u4e00\u7a2e\u6709\u6548\u7684\u6578\u64da\u7ba1\u7406\u65b9\u5f0f\uff0c\u7279\u5225\u662f\u5728\u9700\u8981\u6e1b\u5c11HTTP\u8acb\u6c42\u548c\u7c21\u5316\u7ba1\u7406\u7684\u60c5\u6cc1\u4e0b\u3002\u901a\u904e\u672c\u6587\u63d0\u4f9b\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\uff0c\u60a8\u53ef\u4ee5\u8f15\u9b06\u5730\u5c07Base64\u5716\u7247\u5b58\u5132\u548c\u6aa2\u7d22\u3002\u82e5\u60a8\u9700\u8981\u66f4\u9ad8\u6548\u7684\u6578\u64da\u5b58\u5132\u89e3\u6c7a\u65b9\u6848\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u6216\u5176\u4ed6\u96f2\u670d\u52d9\u4f86\u652f\u6301\u60a8\u7684\u61c9\u7528\u7a0b\u5e8f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u5c07base64\u7de8\u78bc\u7684\u5716\u7247\u6709\u6548\u5b58\u5132\u5728\u6578\u64da\u5eab\u4e2d\uff0c\u4e26\u78ba\u4fdd\u6578\u64da\u7684\u5b8c\u6574\u6027\u8207\u53ef\u8b80\u6027\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-195903","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/195903","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=195903"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/195903\/revisions"}],"predecessor-version":[{"id":195904,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/195903\/revisions\/195904"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=195903"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=195903"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=195903"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}