{"id":187330,"date":"2024-11-11T13:22:20","date_gmt":"2024-11-11T05:22:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/187330\/"},"modified":"2024-11-11T13:22:21","modified_gmt":"2024-11-11T05:22:21","slug":"%e6%95%b8%e6%93%9a%e5%ba%ab%e5%9c%96%e7%89%87%e5%af%a6%e6%99%82%e5%b1%95%e7%a4%ba%ef%bc%9a%e8%bc%95%e9%ac%86%e8%ae%80%e5%8f%96%e4%b8%a6%e5%91%88%e7%8f%be-%e8%ae%80%e5%8f%96%e6%95%b8%e6%93%9a%e5%ba%ab","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/187330\/","title":{"rendered":"\u6578\u64da\u5eab\u5716\u7247\u5be6\u6642\u5c55\u793a\uff1a\u8f15\u9b06\u8b80\u53d6\u4e26\u5448\u73fe (\u8b80\u53d6\u6578\u64da\u5eab\u5716\u7247\u4e26\u986f\u793a)"},"content":{"rendered":"<h1 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e5%9c%96%e7%89%87%e5%af%a6%e6%99%82%e5%b1%95%e7%a4%ba%ef%bc%9a%e8%bc%95%e9%ac%86%e8%ae%80%e5%8f%96%e4%b8%a6%e5%91%88%e7%8f%be-dZvTaevyDq\">\u6578\u64da\u5eab\u5716\u7247\u5be6\u6642\u5c55\u793a\uff1a\u8f15\u9b06\u8b80\u53d6\u4e26\u5448\u73fe<\/h1>\n<p>\u5728\u7576\u4eca\u6578\u5b57\u5316\u7684\u6642\u4ee3\uff0c\u5716\u7247\u5df2\u6210\u70ba\u4fe1\u606f\u50b3\u905e\u7684\u91cd\u8981\u5a92\u4ecb\u3002\u7121\u8ad6\u662f\u793e\u4ea4\u5a92\u9ad4\u3001\u96fb\u5b50\u5546\u52d9\u9084\u662f\u4f01\u696d\u7db2\u7ad9\uff0c\u5716\u7247\u7684\u4f7f\u7528\u90fd\u80fd\u6709\u6548\u63d0\u5347\u7528\u6236\u9ad4\u9a57\u548c\u5438\u5f15\u529b\u3002\u96a8\u8457\u6578\u64da\u5eab\u6280\u8853\u7684\u767c\u5c55\uff0c\u5c07\u5716\u7247\u5b58\u5132\u5728\u6578\u64da\u5eab\u4e2d\u4e26\u5be6\u6642\u5c55\u793a\u5df2\u6210\u70ba\u4e00\u7a2e\u6d41\u884c\u7684\u505a\u6cd5\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u8f15\u9b06\u8b80\u53d6\u6578\u64da\u5eab\u4e2d\u7684\u5716\u7247\u4e26\u9032\u884c\u5c55\u793a\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%81%b8%e6%93%87%e5%b0%87%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-dZvTaevyDq\">\u70ba\u4ec0\u9ebc\u9078\u64c7\u5c07\u5716\u7247\u5b58\u5132\u5728\u6578\u64da\u5eab\u4e2d\uff1f<\/h2>\n<p>\u5c07\u5716\u7247\u5b58\u5132\u5728\u6578\u64da\u5eab\u4e2d\u6709\u591a\u500b\u512a\u52e2\uff1a<\/p>\n<ul>\n<li><strong>\u96c6\u4e2d\u7ba1\u7406\uff1a<\/strong>\u6240\u6709\u5716\u7247\u90fd\u5b58\u5132\u5728\u4e00\u500b\u5730\u65b9\uff0c\u4fbf\u65bc\u7ba1\u7406\u548c\u5099\u4efd\u3002<\/li>\n<li><strong>\u5b89\u5168\u6027\uff1a<\/strong>\u6578\u64da\u5eab\u53ef\u4ee5\u63d0\u4f9b\u66f4\u9ad8\u7684\u5b89\u5168\u6027\uff0c\u9632\u6b62\u672a\u7d93\u6388\u6b0a\u7684\u8a2a\u554f\u3002<\/li>\n<li><strong>\u6578\u64da\u5b8c\u6574\u6027\uff1a<\/strong>\u53ef\u4ee5\u78ba\u4fdd\u5716\u7247\u8207\u5176\u4ed6\u6578\u64da\uff08\u5982\u63cf\u8ff0\u3001\u6a19\u7c64\u7b49\uff09\u7684\u4e00\u81f4\u6027\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e5%b0%87%e5%9c%96%e7%89%87%e5%ad%98%e5%84%b2%e5%88%b0%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad-dZvTaevyDq\">\u5982\u4f55\u5c07\u5716\u7247\u5b58\u5132\u5230\u6578\u64da\u5eab\u4e2d<\/h2>\n<p>\u5728\u5c07\u5716\u7247\u5b58\u5132\u5230\u6578\u64da\u5eab\u4e4b\u524d\uff0c\u9996\u5148\u9700\u8981\u8a2d\u8a08\u6578\u64da\u5eab\u8868\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u5275\u5efa\u4e00\u500b\u5b58\u5132\u5716\u7247\u7684\u8868\uff1a<\/p>\n<pre><code>CREATE 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);<\/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\u800c<code>image_type<\/code>\u5b57\u6bb5\u5247\u7528\u65bc\u5b58\u5132\u5716\u7247\u7684\u985e\u578b\uff08\u5982JPEG\u3001PNG\u7b49\uff09\u3002<\/p>\n<h2 id=\"%e5%b0%87%e5%9c%96%e7%89%87%e6%8f%92%e5%85%a5%e6%95%b8%e6%93%9a%e5%ba%ab-dZvTaevyDq\">\u5c07\u5716\u7247\u63d2\u5165\u6578\u64da\u5eab<\/h2>\n<p>\u63a5\u4e0b\u4f86\uff0c\u6211\u5011\u9700\u8981\u5c07\u5716\u7247\u63d2\u5165\u5230\u6578\u64da\u5eab\u4e2d\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528PHP\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>&lt;?php\n$mysqli = new mysqli(\"localhost\", \"username\", \"password\", \"database\");\n\nif ($mysqli-&gt;connect_error) {\n    die(\"Connection failed: \" . $mysqli-&gt;connect_error);\n}\n\n$imageFileType = strtolower(pathinfo($_FILES[\"fileToUpload\"][\"name\"], PATHINFO_EXTENSION));\n$imageData = file_get_contents($_FILES[\"fileToUpload\"][\"tmp_name\"]);\n\n$stmt = $mysqli-&gt;prepare(\"INSERT INTO images (image_data, image_type) VALUES (?, ?)\");\n$stmt-&gt;bind_param(\"bs\", $imageData, $imageFileType);\n$stmt-&gt;execute();\n\n$stmt-&gt;close();\n$mysqli-&gt;close();\n?&gt;<\/code><\/pre>\n<p>\u5728\u9019\u6bb5\u4ee3\u78bc\u4e2d\uff0c\u6211\u5011\u9996\u5148\u9023\u63a5\u5230\u6578\u64da\u5eab\uff0c\u7136\u5f8c\u4f7f\u7528\u9810\u8655\u7406\u8a9e\u53e5\u5c07\u5716\u7247\u6578\u64da\u63d2\u5165\u5230<code>images<\/code>\u8868\u4e2d\u3002<\/p>\n<h2 id=\"%e5%be%9e%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e8%ae%80%e5%8f%96%e4%b8%a6%e5%b1%95%e7%a4%ba%e5%9c%96%e7%89%87-dZvTaevyDq\">\u5f9e\u6578\u64da\u5eab\u4e2d\u8b80\u53d6\u4e26\u5c55\u793a\u5716\u7247<\/h2>\n<p>\u4e00\u65e6\u5716\u7247\u88ab\u5b58\u5132\u5230\u6578\u64da\u5eab\u4e2d\uff0c\u6211\u5011\u5c31\u53ef\u4ee5\u8f15\u9b06\u5730\u5f9e\u6578\u64da\u5eab\u4e2d\u8b80\u53d6\u4e26\u5c55\u793a\u5b83\u5011\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u5f9e\u6578\u64da\u5eab\u4e2d\u8b80\u53d6\u5716\u7247\u4e26\u5728\u7db2\u9801\u4e0a\u986f\u793a\uff1a<\/p>\n<pre><code>&lt;?php\n$mysqli = new mysqli(\"localhost\", \"username\", \"password\", \"database\");\n\nif ($mysqli-&gt;connect_error) {\n    die(\"Connection failed: \" . $mysqli-&gt;connect_error);\n}\n\n$result = $mysqli-&gt;query(\"SELECT image_data, image_type FROM images\");\n\nwhile ($row = $result-&gt;fetch_assoc()) {\n    echo '&lt;img src=\"data:'.$row['image_type'].';base64,'.base64_encode($row['image_data']).'\" \/&gt;';\n}\n\n$mysqli-&gt;close();\n?&gt;<\/code><\/pre>\n<p>\u5728\u9019\u6bb5\u4ee3\u78bc\u4e2d\uff0c\u6211\u5011\u5f9e\u6578\u64da\u5eab\u4e2d\u9078\u64c7\u6240\u6709\u5716\u7247\uff0c\u7136\u5f8c\u4f7f\u7528<code>base64_encode<\/code>\u51fd\u6578\u5c07\u5716\u7247\u6578\u64da\u8f49\u63db\u70baBase64\u683c\u5f0f\uff0c\u4ee5\u4fbf\u5728HTML\u4e2d\u986f\u793a\u3002<\/p>\n<h2 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