{"id":173675,"date":"2024-11-07T20:00:19","date_gmt":"2024-11-07T12:00:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/173675\/"},"modified":"2024-11-07T20:00:20","modified_gmt":"2024-11-07T12:00:20","slug":"%e5%a6%82%e4%bd%95%e5%b0%87%e5%9c%96%e7%89%87%e4%bf%9d%e5%ad%98%e8%87%b3sql%e6%95%b8%e6%93%9a%e5%ba%ab%ef%bc%9f-%e6%8a%8a%e5%9c%96%e7%89%87%e4%bf%9d%e5%ad%98%e5%9c%a8sql%e6%95%b8%e6%93%9a%e5%ba%ab","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/173675\/","title":{"rendered":"\u5982\u4f55\u5c07\u5716\u7247\u4fdd\u5b58\u81f3SQL\u6578\u64da\u5eab\uff1f (\u628a\u5716\u7247\u4fdd\u5b58\u5728sql\u6578\u64da\u5eab)"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e5%b0%87%e5%9c%96%e7%89%87%e4%bf%9d%e5%ad%98%e8%87%b3sql%e6%95%b8%e6%93%9a%e5%ba%ab%ef%bc%9f-msQEhRMnej\">\u5982\u4f55\u5c07\u5716\u7247\u4fdd\u5b58\u81f3SQL\u6578\u64da\u5eab\uff1f<\/h1>\n<p>\u5728\u73fe\u4eca\u7684\u6578\u4f4d\u6642\u4ee3\uff0c\u5716\u7247\u5df2\u6210\u70ba\u7db2\u7d61\u61c9\u7528\u4e2d\u4e0d\u53ef\u6216\u7f3a\u7684\u4e00\u90e8\u5206\u3002\u7121\u8ad6\u662f\u793e\u4ea4\u5a92\u9ad4\u3001\u96fb\u5b50\u5546\u52d9\u9084\u662f\u5167\u5bb9\u7ba1\u7406\u7cfb\u7d71\uff0c\u5716\u7247\u7684\u4f7f\u7528\u90fd\u6975\u70ba\u5ee3\u6cdb\u3002\u5c07\u5716\u7247\u4fdd\u5b58\u81f3SQL\u6578\u64da\u5eab\u662f\u4e00\u7a2e\u5e38\u898b\u7684\u505a\u6cd5\uff0c\u9019\u6a23\u53ef\u4ee5\u65b9\u4fbf\u5730\u7ba1\u7406\u548c\u6aa2\u7d22\u5716\u7247\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5c07\u5716\u7247\u4fdd\u5b58\u81f3SQL\u6578\u64da\u5eab\u7684\u904e\u7a0b\uff0c\u5305\u62ec\u6240\u9700\u7684\u6b65\u9a5f\u548c\u793a\u4f8b\u4ee3\u78bc\u3002<\/p>\n<h2 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id=\"%e5%a6%82%e4%bd%95%e5%b0%87%e5%9c%96%e7%89%87%e4%bf%9d%e5%ad%98%e8%87%b3sql%e6%95%b8%e6%93%9a%e5%ba%ab-msQEhRMnej\">\u5982\u4f55\u5c07\u5716\u7247\u4fdd\u5b58\u81f3SQL\u6578\u64da\u5eab<\/h2>\n<h3 id=\"%e6%ad%a5%e9%a9%9f%e4%b8%80%ef%bc%9a%e8%a8%ad%e8%a8%88%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a1%a8-msQEhRMnej\">\u6b65\u9a5f\u4e00\uff1a\u8a2d\u8a08\u6578\u64da\u5eab\u8868<\/h3>\n<p>\u9996\u5148\uff0c\u6211\u5011\u9700\u8981\u8a2d\u8a08\u4e00\u500b\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><code>\nCREATE TABLE images (\n    id INT AUTO_INCREMENT PRIMARY KEY,\n    image_data LONGBLOB NOT NULL,\n    image_type VARCHAR(50) NOT NULL,\n    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP\n);\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u8868\u4e2d\uff0c<code>image_data<\/code>\u5b57\u6bb5\u7528\u65bc\u5b58\u5132\u5716\u7247\u7684\u4e8c\u9032\u5236\u6578\u64da\uff0c<code>image_type<\/code>\u5b57\u6bb5\u7528\u65bc\u5b58\u5132\u5716\u7247\u7684\u985e\u578b\uff08\u4f8b\u5982\uff1aJPEG\u3001PNG\u7b49\uff09\u3002<\/p>\n<h3 id=\"%e6%ad%a5%e9%a9%9f%e4%ba%8c%ef%bc%9a%e5%b0%87%e5%9c%96%e7%89%87%e8%bd%89%e6%8f%9b%e7%82%ba%e4%ba%8c%e9%80%b2%e5%88%b6%e6%95%b8%e6%93%9a-msQEhRMnej\">\u6b65\u9a5f\u4e8c\uff1a\u5c07\u5716\u7247\u8f49\u63db\u70ba\u4e8c\u9032\u5236\u6578\u64da<\/h3>\n<p>\u5728\u5c07\u5716\u7247\u4fdd\u5b58\u81f3\u6578\u64da\u5eab\u4e4b\u524d\uff0c\u6211\u5011\u9700\u8981\u5c07\u5176\u8f49\u63db\u70ba\u4e8c\u9032\u5236\u683c\u5f0f\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528PHP\u9032\u884c\u8f49\u63db\u7684\u793a\u4f8b\u4ee3\u78bc\uff1a<\/p>\n<pre><code>\nfunction getImageData($filePath) {\n    return file_get_contents($filePath);\n}\n\n$imagePath = 'path\/to\/your\/image.jpg';\n$imageData = getImageData($imagePath);\n$imageType = pathinfo($imagePath, PATHINFO_EXTENSION);\n<\/code><\/pre>\n<h3 id=\"%e6%ad%a5%e9%a9%9f%e4%b8%89%ef%bc%9a%e5%b0%87%e5%9c%96%e7%89%87%e6%8f%92%e5%85%a5%e6%95%b8%e6%93%9a%e5%ba%ab-msQEhRMnej\">\u6b65\u9a5f\u4e09\uff1a\u5c07\u5716\u7247\u63d2\u5165\u6578\u64da\u5eab<\/h3>\n<p>\u63a5\u4e0b\u4f86\uff0c\u6211\u5011\u9700\u8981\u5c07\u8f49\u63db\u5f8c\u7684\u5716\u7247\u6578\u64da\u63d2\u5165\u5230\u6578\u64da\u5eab\u4e2d\u3002\u4ee5\u4e0b\u662f\u63d2\u5165\u6578\u64da\u7684\u793a\u4f8b\u4ee3\u78bc\uff1a<\/p>\n<pre><code>\n$mysqli = new mysqli(\"localhost\", \"username\", \"password\", \"database\");\n\nif ($mysqli-&gt;connect_error) {\n    die(\"Connection failed: \" . $mysqli-&gt;connect_error);\n}\n\n$stmt = $mysqli-&gt;prepare(\"INSERT INTO images (image_data, image_type) VALUES (?, ?)\");\n$stmt-&gt;bind_param(\"bs\", $imageData, $imageType);\n$stmt-&gt;send_long_data(0, $imageData);\n$stmt-&gt;execute();\n\n$stmt-&gt;close();\n$mysqli-&gt;close();\n<\/code><\/pre>\n<h3 id=\"%e6%ad%a5%e9%a9%9f%e5%9b%9b%ef%bc%9a%e5%be%9e%e6%95%b8%e6%93%9a%e5%ba%ab%e6%aa%a2%e7%b4%a2%e5%9c%96%e7%89%87-msQEhRMnej\">\u6b65\u9a5f\u56db\uff1a\u5f9e\u6578\u64da\u5eab\u6aa2\u7d22\u5716\u7247<\/h3>\n<p>\u6700\u5f8c\uff0c\u6211\u5011\u9700\u8981\u5f9e\u6578\u64da\u5eab\u4e2d\u6aa2\u7d22\u5716\u7247\u4e26\u986f\u793a\u3002\u4ee5\u4e0b\u662f\u6aa2\u7d22\u5716\u7247\u7684\u793a\u4f8b\u4ee3\u78bc\uff1a<\/p>\n<pre><code>\n$result = $mysqli-&gt;query(\"SELECT image_data, image_type FROM images WHERE id = 1\");\n$row = $result-&gt;fetch_assoc();\n\nheader(\"Content-Type: \" . $row['image_type']);\necho $row['image_data'];\n<\/code><\/pre>\n<h2 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