{"id":190688,"date":"2024-11-12T14:40:22","date_gmt":"2024-11-12T06:40:22","guid":{"rendered":"https:\/\/server.hk\/cnblog\/190688\/"},"modified":"2024-11-12T14:40:24","modified_gmt":"2024-11-12T06:40:24","slug":"%e4%ba%94%e6%ad%a5%e6%95%99%e4%bd%a0%e5%a6%82%e4%bd%95%e6%88%90%e5%8a%9f%e5%b0%87%e5%9c%96%e7%89%87%e9%8c%84%e5%85%a5%e6%95%b8%e6%93%9a%e5%ba%ab-%e5%a6%82%e4%bd%95%e5%b0%87%e5%9c%96%e7%89%87%e9%8c%84","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/190688\/","title":{"rendered":"\u4e94\u6b65\u6559\u4f60\u5982\u4f55\u6210\u529f\u5c07\u5716\u7247\u9304\u5165\u6578\u64da\u5eab (\u5982\u4f55\u5c07\u5716\u7247\u9304\u5165\u6578\u64da\u5eab)"},"content":{"rendered":"

\u4e94\u6b65\u6559\u4f60\u5982\u4f55\u6210\u529f\u5c07\u5716\u7247\u9304\u5165\u6578\u64da\u5eab<\/h1>\n

\u5728\u73fe\u4eca\u7684\u6578\u4f4d\u6642\u4ee3\uff0c\u5716\u7247\u5df2\u6210\u70ba\u4fe1\u606f\u50b3\u905e\u7684\u91cd\u8981\u5a92\u4ecb\u3002\u7121\u8ad6\u662f\u7db2\u7ad9\u3001\u61c9\u7528\u7a0b\u5f0f\u9084\u662f\u6578\u64da\u5eab\uff0c\u5716\u7247\u7684\u4f7f\u7528\u90fd\u8d8a\u4f86\u8d8a\u666e\u904d\u3002\u5c07\u5716\u7247\u9304\u5165\u6578\u64da\u5eab\u4e0d\u50c5\u80fd\u5920\u63d0\u9ad8\u6578\u64da\u7684\u53ef\u8996\u5316\u6548\u679c\uff0c\u9084\u80fd\u5920\u589e\u5f37\u7528\u6236\u9ad4\u9a57\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u4e94\u500b\u6b65\u9a5f\uff0c\u5e6b\u52a9\u4f60\u6210\u529f\u5c07\u5716\u7247\u9304\u5165\u6578\u64da\u5eab\u3002<\/p>\n

\u6b65\u9a5f\u4e00\uff1a\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u5eab<\/h2>\n

\u5728\u958b\u59cb\u4e4b\u524d\uff0c\u9996\u5148\u9700\u8981\u9078\u64c7\u4e00\u500b\u5408\u9069\u7684\u6578\u64da\u5eab\u3002\u5e38\u898b\u7684\u6578\u64da\u5eab\u6709 MySQL\u3001PostgreSQL \u548c MongoDB \u7b49\u3002\u5c0d\u65bc\u5716\u7247\u5b58\u5132\uff0cMySQL \u548c PostgreSQL \u662f\u8f03\u70ba\u5e38\u7528\u7684\u9078\u64c7\uff0c\u56e0\u70ba\u5b83\u5011\u652f\u6301 BLOB\uff08Binary Large Object\uff09\u985e\u578b\uff0c\u53ef\u4ee5\u5b58\u5132\u4e8c\u9032\u5236\u6578\u64da\u3002<\/p>\n

\u6b65\u9a5f\u4e8c\uff1a\u8a2d\u8a08\u6578\u64da\u8868<\/h2>\n

\u5728\u6578\u64da\u5eab\u4e2d\u8a2d\u8a08\u4e00\u500b\u5408\u9069\u7684\u6578\u64da\u8868\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684 MySQL \u6578\u64da\u8868\u8a2d\u8a08\u7bc4\u4f8b\uff1a<\/p>\n

\nCREATE TABLE images (\n    id INT AUTO_INCREMENT PRIMARY KEY,\n    image_data LONGBLOB NOT NULL,\n    image_name VARCHAR(255) NOT NULL,\n    upload_time TIMESTAMP DEFAULT CURRENT_TIMESTAMP\n);\n<\/code><\/pre>\n
\u5728\u9019\u500b\u8868\u4e2d\uff0c\u6211\u5011\u4f7f\u7528\u4e86 LONGBLOB \u985e\u578b\u4f86\u5b58\u5132\u5716\u7247\u6578\u64da\uff0c\u4e26\u4e14\u9084\u8a18\u9304\u4e86\u5716\u7247\u7684\u540d\u7a31\u548c\u4e0a\u50b3\u6642\u9593\u3002<\/p>\n
\u6b65\u9a5f\u4e09\uff1a\u5c07\u5716\u7247\u8f49\u63db\u70ba\u4e8c\u9032\u5236\u683c\u5f0f<\/h2>\n
\u5728\u5c07\u5716\u7247\u9304\u5165\u6578\u64da\u5eab\u4e4b\u524d\uff0c\u9700\u8981\u5c07\u5176\u8f49\u63db\u70ba\u4e8c\u9032\u5236\u683c\u5f0f\u3002\u9019\u53ef\u4ee5\u901a\u904e\u591a\u7a2e\u7de8\u7a0b\u8a9e\u8a00\u4f86\u5be6\u73fe\uff0c\u4ee5\u4e0b\u662f\u4f7f\u7528 PHP \u7684\u7bc4\u4f8b\uff1a<\/p>\n
\nfunction getImageBinary($filePath) {\n    return file_get_contents($filePath);\n}\n<\/code><\/pre>\n
\u9019\u500b\u51fd\u6578\u5c07\u5716\u7247\u6587\u4ef6\u7684\u8def\u5f91\u4f5c\u70ba\u53c3\u6578\uff0c\u4e26\u8fd4\u56de\u5176\u4e8c\u9032\u5236\u6578\u64da\u3002<\/p>\n
\u6b65\u9a5f\u56db\uff1a\u5c07\u5716\u7247\u6578\u64da\u63d2\u5165\u6578\u64da\u5eab<\/h2>\n
\u4e00\u65e6\u7372\u5f97\u4e86\u5716\u7247\u7684\u4e8c\u9032\u5236\u6578\u64da\uff0c\u5c31\u53ef\u4ee5\u5c07\u5176\u63d2\u5165\u5230\u6578\u64da\u5eab\u4e2d\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528 PHP \u548c MySQL \u7684\u7bc4\u4f8b\uff1a<\/p>\n
\n$mysqli = new mysqli(\"localhost\", \"username\", \"password\", \"database\");\n\nif ($mysqli->connect_error) {\n    die(\"Connection failed: \" . $mysqli->connect_error);\n}\n\n$imageData = getImageBinary(\"path\/to\/image.jpg\");\n$imageName = \"image.jpg\";\n\n$stmt = $mysqli->prepare(\"INSERT INTO images (image_data, image_name) VALUES (?, ?)\");\n$stmt->bind_param(\"bs\", $imageData, $imageName);\n$stmt->execute();\n\n$stmt->close();\n$mysqli->close();\n<\/code><\/pre>\n
\u5728\u9019\u6bb5\u4ee3\u78bc\u4e2d\uff0c\u6211\u5011\u4f7f\u7528\u4e86\u9810\u8655\u7406\u8a9e\u53e5\u4f86\u5b89\u5168\u5730\u63d2\u5165\u5716\u7247\u6578\u64da\uff0c\u9019\u6a23\u53ef\u4ee5\u9632\u6b62 SQL \u6ce8\u5165\u653b\u64ca\u3002<\/p>\n
\u6b65\u9a5f\u4e94\uff1a\u5f9e\u6578\u64da\u5eab\u4e2d\u6aa2\u7d22\u5716\u7247<\/h2>\n
\u6700\u5f8c\u4e00\u6b65\u662f\u5f9e\u6578\u64da\u5eab\u4e2d\u6aa2\u7d22\u5716\u7247\u4e26\u986f\u793a\u3002\u4ee5\u4e0b\u662f\u6aa2\u7d22\u5716\u7247\u7684\u7bc4\u4f8b\uff1a<\/p>\n
\n$result = $mysqli->query(\"SELECT image_data, image_name FROM images WHERE id = 1\");\n$row = $result->fetch_assoc();\n\nheader(\"Content-Type: image\/jpeg\");\necho $row['image_data'];\n<\/code><\/pre>\n
\u9019\u6bb5\u4ee3\u78bc\u5c07\u5f9e\u6578\u64da\u5eab\u4e2d\u6aa2\u7d22\u6307\u5b9a ID \u7684\u5716\u7247\uff0c\u4e26\u5c07\u5176\u986f\u793a\u5728\u700f\u89bd\u5668\u4e2d\u3002<\/p>\n
\u7e3d\u7d50<\/h2>\n
\u901a\u904e\u4ee5\u4e0a\u4e94\u500b\u6b65\u9a5f\uff0c\u4f60\u53ef\u4ee5\u6210\u529f\u5c07\u5716\u7247\u9304\u5165\u6578\u64da\u5eab\u3002\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u5eab\u3001\u8a2d\u8a08\u6578\u64da\u8868\u3001\u5c07\u5716\u7247\u8f49\u63db\u70ba\u4e8c\u9032\u5236\u683c\u5f0f\u3001\u63d2\u5165\u6578\u64da\u4ee5\u53ca\u6aa2\u7d22\u5716\u7247\u90fd\u662f\u95dc\u9375\u6b65\u9a5f\u3002\u9019\u4e9b\u6280\u8853\u4e0d\u50c5\u9069\u7528\u65bc\u500b\u4eba\u9805\u76ee\uff0c\u4e5f\u53ef\u4ee5\u61c9\u7528\u65bc\u5546\u696d\u61c9\u7528\u4e2d\uff0c\u63d0\u5347\u7528\u6236\u9ad4\u9a57\u3002<\/p>\n
\u5982\u679c\u4f60\u9700\u8981\u7a69\u5b9a\u7684 \u9999\u6e2fVPS<\/a> \u4f86\u652f\u6301\u4f60\u7684\u6578\u64da\u5eab\u548c\u61c9\u7528\u7a0b\u5e8f\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u89e3\u6c7a\u65b9\u6848\uff0c\u5e6b\u52a9\u4f60\u8f15\u9b06\u7ba1\u7406\u548c\u64f4\u5c55\u4f60\u7684\u696d\u52d9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
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