{"id":162855,"date":"2024-11-04T18:35:26","date_gmt":"2024-11-04T10:35:26","guid":{"rendered":"https:\/\/server.hk\/cnblog\/162855\/"},"modified":"2024-11-04T18:35:27","modified_gmt":"2024-11-04T10:35:27","slug":"%e6%95%99%e4%bd%a0%e5%a6%82%e4%bd%95%e5%9c%a8mysql%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e7%9b%b4%e6%8e%a5%e5%84%b2%e5%ad%98%e5%9c%96%e7%89%87","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/162855\/","title":{"rendered":"\u6559\u4f60\u5982\u4f55\u5728MySQL\u6578\u64da\u5eab\u4e2d\u76f4\u63a5\u5132\u5b58\u5716\u7247"},"content":{"rendered":"<h1 id=\"%e6%95%99%e4%bd%a0%e5%a6%82%e4%bd%95%e5%9c%a8mysql%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e7%9b%b4%e6%8e%a5%e5%84%b2%e5%ad%98%e5%9c%96%e7%89%87-frmDUKmqgA\">\u6559\u4f60\u5982\u4f55\u5728MySQL\u6578\u64da\u5eab\u4e2d\u76f4\u63a5\u5132\u5b58\u5716\u7247<\/h1>\n<p>\u5728\u73fe\u4eca\u7684\u7db2\u7d61\u61c9\u7528\u4e2d\uff0c\u5716\u7247\u7684\u4f7f\u7528\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u666e\u904d\u3002\u7121\u8ad6\u662f\u793e\u4ea4\u5a92\u9ad4\u5e73\u53f0\u3001\u96fb\u5b50\u5546\u52d9\u7db2\u7ad9\u9084\u662f\u500b\u4eba\u535a\u5ba2\uff0c\u5716\u7247\u90fd\u626e\u6f14\u8457\u91cd\u8981\u7684\u89d2\u8272\u3002\u5c0d\u65bc\u958b\u767c\u8005\u4f86\u8aaa\uff0c\u5982\u4f55\u6709\u6548\u5730\u5132\u5b58\u548c\u7ba1\u7406\u9019\u4e9b\u5716\u7247\u662f\u4e00\u500b\u91cd\u8981\u7684\u8ab2\u984c\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5728MySQL\u6578\u64da\u5eab\u4e2d\u76f4\u63a5\u5132\u5b58\u5716\u7247\uff0c\u4e26\u63d0\u4f9b\u76f8\u95dc\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%81%b8%e6%93%87%e5%9c%a8mysql%e4%b8%ad%e5%84%b2%e5%ad%98%e5%9c%96%e7%89%87%ef%bc%9f-frmDUKmqgA\">\u70ba\u4ec0\u9ebc\u9078\u64c7\u5728MySQL\u4e2d\u5132\u5b58\u5716\u7247\uff1f<\/h2>\n<p>\u5132\u5b58\u5716\u7247\u7684\u65b9\u5f0f\u4e3b\u8981\u6709\u5169\u7a2e\uff1a\u5c07\u5716\u7247\u5132\u5b58\u5728\u6587\u4ef6\u7cfb\u7d71\u4e2d\uff0c\u6216\u662f\u5c07\u5716\u7247\u76f4\u63a5\u5132\u5b58\u5728\u6578\u64da\u5eab\u4e2d\u3002\u6bcf\u7a2e\u65b9\u6cd5\u90fd\u6709\u5176\u512a\u7f3a\u9ede\uff1a<\/p>\n<ul>\n<li><strong>\u6587\u4ef6\u7cfb\u7d71\u5132\u5b58\uff1a<\/strong>\u9019\u7a2e\u65b9\u6cd5\u901a\u5e38\u6703\u5c07\u5716\u7247\u5132\u5b58\u5728\u4f3a\u670d\u5668\u7684\u6587\u4ef6\u7cfb\u7d71\u4e2d\uff0c\u4e26\u5728\u6578\u64da\u5eab\u4e2d\u5132\u5b58\u5716\u7247\u7684\u8def\u5f91\u3002\u9019\u6a23\u53ef\u4ee5\u6e1b\u5c11\u6578\u64da\u5eab\u7684\u8ca0\u64d4\uff0c\u4f46\u5728\u7ba1\u7406\u548c\u5099\u4efd\u6642\u53ef\u80fd\u6703\u8b8a\u5f97\u8907\u96dc\u3002<\/li>\n<li><strong>\u6578\u64da\u5eab\u5132\u5b58\uff1a<\/strong>\u5c07\u5716\u7247\u76f4\u63a5\u5132\u5b58\u5728\u6578\u64da\u5eab\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u6578\u64da\u7684\u7ba1\u7406\u66f4\u52a0\u96c6\u4e2d\uff0c\u4e26\u4e14\u5728\u5099\u4efd\u6642\u53ef\u4ee5\u4e00\u4f75\u5099\u4efd\u6240\u6709\u6578\u64da\u3002\u4e0d\u904e\uff0c\u9019\u6703\u589e\u52a0\u6578\u64da\u5eab\u7684\u5927\u5c0f\uff0c\u53ef\u80fd\u5f71\u97ff\u6027\u80fd\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e5%9c%a8mysql%e4%b8%ad%e5%84%b2%e5%ad%98%e5%9c%96%e7%89%87-frmDUKmqgA\">\u5982\u4f55\u5728MySQL\u4e2d\u5132\u5b58\u5716\u7247<\/h2>\n<p>\u5728MySQL\u4e2d\u5132\u5b58\u5716\u7247\uff0c\u901a\u5e38\u4f7f\u7528BLOB\uff08Binary Large Object\uff09\u6578\u64da\u985e\u578b\u3002BLOB\u53ef\u4ee5\u5132\u5b58\u4e8c\u9032\u5236\u6578\u64da\uff0c\u9069\u5408\u7528\u4f86\u5132\u5b58\u5716\u7247\u3001\u97f3\u983b\u548c\u8996\u983b\u7b49\u5927\u578b\u6587\u4ef6\u3002<\/p>\n<h3 id=\"%e6%ad%a5%e9%a9%9f%e4%b8%80%ef%bc%9a%e5%89%b5%e5%bb%ba%e6%95%b8%e6%93%9a%e8%a1%a8-frmDUKmqgA\">\u6b65\u9a5f\u4e00\uff1a\u5275\u5efa\u6578\u64da\u8868<\/h3>\n<p>\u9996\u5148\uff0c\u6211\u5011\u9700\u8981\u5275\u5efa\u4e00\u500b\u6578\u64da\u8868\u4f86\u5132\u5b58\u5716\u7247\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684SQL\u8a9e\u53e5\uff0c\u7528\u65bc\u5275\u5efa\u4e00\u500b\u540d\u70ba`images`\u7684\u8868\uff1a<\/p>\n<pre><code>\nCREATE TABLE images (\n    id INT AUTO_INCREMENT PRIMARY KEY,\n    image_data LONGBLOB NOT NULL,\n    image_name VARCHAR(255) NOT NULL\n);\n<\/code><\/pre>\n<h3 id=\"%e6%ad%a5%e9%a9%9f%e4%ba%8c%ef%bc%9a%e6%8f%92%e5%85%a5%e5%9c%96%e7%89%87-frmDUKmqgA\">\u6b65\u9a5f\u4e8c\uff1a\u63d2\u5165\u5716\u7247<\/h3>\n<p>\u63a5\u4e0b\u4f86\uff0c\u6211\u5011\u9700\u8981\u5c07\u5716\u7247\u63d2\u5165\u5230\u6578\u64da\u8868\u4e2d\u3002\u9019\u88e1\u63d0\u4f9b\u4e00\u500b\u4f7f\u7528PHP\u7684\u793a\u4f8b\u4ee3\u78bc\uff0c\u5c55\u793a\u5982\u4f55\u5c07\u5716\u7247\u4e0a\u50b3\u4e26\u5132\u5b58\u5230MySQL\u6578\u64da\u5eab\uff1a<\/p>\n<pre><code>\nif(isset($_POST['submit'])) {\n    $imageName = $_FILES['image']['name'];\n    $imageData = file_get_contents($_FILES['image']['tmp_name']);\n    \n    $conn = new mysqli('localhost', 'username', 'password', 'database');\n    \n    if ($conn-&gt;connect_error) {\n        die(\"Connection failed: \" . $conn-&gt;connect_error);\n    }\n    \n    $stmt = $conn-&gt;prepare(\"INSERT INTO images (image_data, image_name) VALUES (?, ?)\");\n    $stmt-&gt;bind_param(\"bs\", $imageData, $imageName);\n    $stmt-&gt;execute();\n    \n    echo \"\u5716\u7247\u4e0a\u50b3\u6210\u529f\uff01\";\n    \n    $stmt-&gt;close();\n    $conn-&gt;close();\n}\n<\/code><\/pre>\n<h3 id=\"%e6%ad%a5%e9%a9%9f%e4%b8%89%ef%bc%9a%e6%aa%a2%e7%b4%a2%e5%9c%96%e7%89%87-frmDUKmqgA\">\u6b65\u9a5f\u4e09\uff1a\u6aa2\u7d22\u5716\u7247<\/h3>\n<p>\u8981\u5f9e\u6578\u64da\u5eab\u4e2d\u6aa2\u7d22\u4e26\u986f\u793a\u5716\u7247\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u7684PHP\u4ee3\u78bc\uff1a<\/p>\n<pre><code>\n$conn = new mysqli('localhost', 'username', 'password', 'database');\n\nif ($conn-&gt;connect_error) {\n    die(\"Connection failed: \" . $conn-&gt;connect_error);\n}\n\n$result = $conn-&gt;query(\"SELECT image_data, image_name FROM images\");\n\nwhile($row = $result-&gt;fetch_assoc()) {\n    echo '<h3 id=\"rowimage_name-frmDUKmqgA\">' . $row['image_name'] . '<\/h3>';\n    echo '<img decoding=\"async\" src=\"image\/jpeg;base64,'.base64_encode($row['image_data']).'\" \/>';\n}\n\n$conn-&gt;close();\n<\/code><\/pre>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-frmDUKmqgA\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728MySQL\u4e2d\u5132\u5b58\u5716\u7247\u6642\uff0c\u6709\u5e7e\u9ede\u9700\u8981\u6ce8\u610f\uff1a<\/p>\n<ul>\n<li>\u5132\u5b58\u7684\u5716\u7247\u5927\u5c0f\u6703\u5f71\u97ff\u6578\u64da\u5eab\u7684\u6027\u80fd\uff0c\u56e0\u6b64\u5efa\u8b70\u5c0d\u5716\u7247\u9032\u884c\u58d3\u7e2e\u3002<\/li>\n<li>\u8003\u616e\u4f7f\u7528\u7d22\u5f15\u4f86\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\uff0c\u7279\u5225\u662f\u5728\u5716\u7247\u6578\u91cf\u8f03\u591a\u7684\u60c5\u6cc1\u4e0b\u3002<\/li>\n<li>\u5b9a\u671f\u5099\u4efd\u6578\u64da\u5eab\uff0c\u4ee5\u9632\u6578\u64da\u4e1f\u5931\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-frmDUKmqgA\">\u7e3d\u7d50<\/h2>\n<p>\u5728MySQL\u6578\u64da\u5eab\u4e2d\u76f4\u63a5\u5132\u5b58\u5716\u7247\u662f\u4e00\u7a2e\u96c6\u4e2d\u7ba1\u7406\u6578\u64da\u7684\u6709\u6548\u65b9\u6cd5\u3002\u901a\u904e\u4f7f\u7528BLOB\u6578\u64da\u985e\u578b\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u8f15\u9b06\u5730\u5c07\u5716\u7247\u4e0a\u50b3\u4e26\u5132\u5b58\u5230\u6578\u64da\u5eab\u4e2d\u3002\u5118\u7ba1\u9019\u7a2e\u65b9\u6cd5\u53ef\u80fd\u6703\u589e\u52a0\u6578\u64da\u5eab\u7684\u5927\u5c0f\uff0c\u4f46\u5b83\u4e5f\u63d0\u4f9b\u4e86\u66f4\u597d\u7684\u6578\u64da\u7ba1\u7406\u548c\u5099\u4efd\u65b9\u6848\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u7ba1\u7406\u5716\u7247\u7684\u61c9\u7528\u4f86\u8aaa\uff0c\u9019\u662f\u4e00\u500b\u503c\u5f97\u8003\u616e\u7684\u9078\u64c7\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u53ef\u9760\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u652f\u6301\u60a8\u7684\u6578\u64da\u5eab\u548c\u61c9\u7528\u7a0b\u5e8f\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u5728MySQL\u6578\u64da\u5eab\u4e2d\u76f4\u63a5\u5132\u5b58\u5716\u7247\uff0c\u7c21\u55ae\u6b65\u9a5f\u6559\u4f60\u6709\u6548\u7ba1\u7406\u548c\u5b58\u53d6\u5716\u50cf\u6578\u64da\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-162855","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/162855","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=162855"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/162855\/revisions"}],"predecessor-version":[{"id":162856,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/162855\/revisions\/162856"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=162855"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=162855"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=162855"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}