{"id":179648,"date":"2024-11-09T03:38:22","date_gmt":"2024-11-08T19:38:22","guid":{"rendered":"https:\/\/server.hk\/cnblog\/179648\/"},"modified":"2024-11-09T03:38:23","modified_gmt":"2024-11-08T19:38:23","slug":"%e5%a6%82%e4%bd%95%e5%9c%a8-mysql-%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\/179648\/","title":{"rendered":"\u5982\u4f55\u5728 MySQL \u4e2d\u76f4\u63a5\u5132\u5b58\u5716\u7247"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e5%9c%a8-mysql-%e4%b8%ad%e7%9b%b4%e6%8e%a5%e5%84%b2%e5%ad%98%e5%9c%96%e7%89%87-udsLKiTjyb\">\u5982\u4f55\u5728 MySQL \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\u8a31\u591a\u7db2\u7ad9\u9700\u8981\u5132\u5b58\u7528\u6236\u4e0a\u50b3\u7684\u5716\u7247\uff0c\u9019\u5c31\u5f15\u767c\u4e86\u4e00\u500b\u554f\u984c\uff1a\u5982\u4f55\u6709\u6548\u5730\u5c07\u5716\u7247\u5132\u5b58\u5230\u8cc7\u6599\u5eab\u4e2d\uff1f\u5728\u9019\u7bc7\u6587\u7ae0\u4e2d\uff0c\u6211\u5011\u5c07\u63a2\u8a0e\u5982\u4f55\u5728 MySQL \u4e2d\u76f4\u63a5\u5132\u5b58\u5716\u7247\uff0c\u4e26\u5206\u6790\u5176\u512a\u7f3a\u9ede\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%81%b8%e6%93%87%e5%9c%a8-mysql-%e4%b8%ad%e5%84%b2%e5%ad%98%e5%9c%96%e7%89%87%ef%bc%9f-udsLKiTjyb\">\u70ba\u4ec0\u9ebc\u9078\u64c7\u5728 MySQL \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\u6a94\u6848\u7cfb\u7d71\u4e2d\uff0c\u6216\u662f\u5c07\u5176\u76f4\u63a5\u5132\u5b58\u5728\u8cc7\u6599\u5eab\u4e2d\u3002\u9078\u64c7\u5728 MySQL \u4e2d\u5132\u5b58\u5716\u7247\u7684\u539f\u56e0\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>\u6578\u64da\u4e00\u81f4\u6027\uff1a<\/strong>\u5c07\u5716\u7247\u8207\u5176\u4ed6\u6578\u64da\u5132\u5b58\u5728\u540c\u4e00\u500b\u8cc7\u6599\u5eab\u4e2d\uff0c\u53ef\u4ee5\u78ba\u4fdd\u6578\u64da\u7684\u4e00\u81f4\u6027\u548c\u5b8c\u6574\u6027\u3002<\/li>\n<li><strong>\u5b89\u5168\u6027\uff1a<\/strong>\u8cc7\u6599\u5eab\u901a\u5e38\u63d0\u4f9b\u66f4\u597d\u7684\u5b89\u5168\u6027\uff0c\u80fd\u5920\u9632\u6b62\u672a\u7d93\u6388\u6b0a\u7684\u8a2a\u554f\u3002<\/li>\n<li><strong>\u5099\u4efd\u8207\u6062\u5fa9\uff1a<\/strong>\u8cc7\u6599\u5eab\u7684\u5099\u4efd\u548c\u6062\u5fa9\u904e\u7a0b\u76f8\u5c0d\u7c21\u55ae\uff0c\u9019\u4f7f\u5f97\u7ba1\u7406\u5716\u7247\u8b8a\u5f97\u66f4\u52a0\u65b9\u4fbf\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e5%9c%a8-mysql-%e4%b8%ad%e5%84%b2%e5%ad%98%e5%9c%96%e7%89%87-udsLKiTjyb\">\u5982\u4f55\u5728 MySQL \u4e2d\u5132\u5b58\u5716\u7247<\/h2>\n<p>\u5728 MySQL \u4e2d\u5132\u5b58\u5716\u7247\uff0c\u901a\u5e38\u4f7f\u7528 BLOB\uff08Binary Large Object\uff09\u985e\u578b\u4f86\u5132\u5b58\u4e8c\u9032\u5236\u6578\u64da\u3002\u4ee5\u4e0b\u662f\u5132\u5b58\u5716\u7247\u7684\u57fa\u672c\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e5%89%b5%e5%bb%ba%e8%b3%87%e6%96%99%e8%a1%a8-udsLKiTjyb\">1. \u5275\u5efa\u8cc7\u6599\u8868<\/h3>\n<p>\u9996\u5148\uff0c\u6211\u5011\u9700\u8981\u5275\u5efa\u4e00\u500b\u8cc7\u6599\u8868\u4f86\u5132\u5b58\u5716\u7247\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684 SQL \u8a9e\u53e5\u7bc4\u4f8b\uff1a<\/p>\n<pre><code>CREATE TABLE images (\n    id INT AUTO_INCREMENT PRIMARY KEY,\n    image LONGBLOB NOT NULL,\n    description VARCHAR(255) NOT NULL\n);<\/code><\/pre>\n<h3 id=\"2-%e4%b8%8a%e5%82%b3%e5%9c%96%e7%89%87-udsLKiTjyb\">2. \u4e0a\u50b3\u5716\u7247<\/h3>\n<p>\u63a5\u4e0b\u4f86\uff0c\u6211\u5011\u9700\u8981\u4e00\u500b\u4e0a\u50b3\u5716\u7247\u7684\u8868\u55ae\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684 HTML \u8868\u55ae\u7bc4\u4f8b\uff1a<\/p>\n<pre><code>&lt;form action=\"upload.php\" method=\"post\" enctype=\"multipart\/form-data\"&gt;\n    &lt;input type=\"file\" name=\"image\" required&gt;\n    &lt;input type=\"text\" name=\"description\" placeholder=\"\u5716\u7247\u63cf\u8ff0\" required&gt;\n    &lt;input type=\"submit\" value=\"\u4e0a\u50b3\"&gt;\n&lt;\/form&gt;<\/code><\/pre>\n<h3 id=\"3-%e8%99%95%e7%90%86%e4%b8%8a%e5%82%b3%e7%9a%84%e5%9c%96%e7%89%87-udsLKiTjyb\">3. \u8655\u7406\u4e0a\u50b3\u7684\u5716\u7247<\/h3>\n<p>\u5728\u4e0a\u50b3\u5716\u7247\u5f8c\uff0c\u6211\u5011\u9700\u8981\u5728 PHP \u4e2d\u8655\u7406\u9019\u4e9b\u6578\u64da\u4e26\u5c07\u5176\u5132\u5b58\u5230 MySQL \u4e2d\u3002\u4ee5\u4e0b\u662f\u8655\u7406\u4e0a\u50b3\u5716\u7247\u7684 PHP \u4ee3\u78bc\u7bc4\u4f8b\uff1a<\/p>\n<pre><code>&lt;?php\nif ($_SERVER['REQUEST_METHOD'] == 'POST') {\n    $image = $_FILES['image']['tmp_name'];\n    $description = $_POST['description'];\n\n    $imageData = file_get_contents($image);\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, description) VALUES (?, ?)\");\n    $stmt-&gt;bind_param(\"bs\", $imageData, $description);\n    $stmt-&gt;execute();\n\n    echo \"\u5716\u7247\u4e0a\u50b3\u6210\u529f\uff01\";\n    $stmt-&gt;close();\n    $conn-&gt;close();\n}\n?&gt;<\/code><\/pre>\n<h2 id=\"%e5%9c%a8-mysql-%e4%b8%ad%e5%84%b2%e5%ad%98%e5%9c%96%e7%89%87%e7%9a%84%e5%84%aa%e7%bc%ba%e9%bb%9e-udsLKiTjyb\">\u5728 MySQL \u4e2d\u5132\u5b58\u5716\u7247\u7684\u512a\u7f3a\u9ede<\/h2>\n<p>\u5132\u5b58\u5716\u7247\u5230 MySQL \u4e2d\u6709\u5176\u512a\u7f3a\u9ede\uff1a<\/p>\n<h3 id=\"%e5%84%aa%e9%bb%9e-udsLKiTjyb\">\u512a\u9ede<\/h3>\n<ul>\n<li>\u6578\u64da\u4e00\u81f4\u6027\uff1a\u5716\u7247\u8207\u5176\u4ed6\u6578\u64da\u4e00\u8d77\u5132\u5b58\uff0c\u4fbf\u65bc\u7ba1\u7406\u3002<\/li>\n<li>\u5b89\u5168\u6027\uff1a\u8cc7\u6599\u5eab\u63d0\u4f9b\u7684\u5b89\u5168\u6027\u9ad8\u65bc\u6a94\u6848\u7cfb\u7d71\u3002<\/li>\n<\/ul>\n<h3 id=\"%e7%bc%ba%e9%bb%9e-udsLKiTjyb\">\u7f3a\u9ede<\/h3>\n<ul>\n<li>\u6027\u80fd\u554f\u984c\uff1a\u5132\u5b58\u5927\u91cf\u5716\u7247\u53ef\u80fd\u6703\u5f71\u97ff\u8cc7\u6599\u5eab\u7684\u6027\u80fd\u3002<\/li>\n<li>\u5099\u4efd\u56f0\u96e3\uff1a\u8cc7\u6599\u5eab\u5099\u4efd\u6642\uff0c\u5716\u7247\u6578\u64da\u6703\u589e\u52a0\u5099\u4efd\u7684\u5927\u5c0f\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-udsLKiTjyb\">\u7e3d\u7d50<\/h2>\n<p>\u5728 MySQL \u4e2d\u76f4\u63a5\u5132\u5b58\u5716\u7247\u662f\u4e00\u7a2e\u53ef\u884c\u7684\u65b9\u6848\uff0c\u7279\u5225\u662f\u7576\u9700\u8981\u5c07\u5716\u7247\u8207\u5176\u4ed6\u6578\u64da\u4fdd\u6301\u4e00\u81f4\u6027\u6642\u3002\u7136\u800c\uff0c\u9019\u7a2e\u65b9\u6cd5\u4e5f\u6709\u5176\u7f3a\u9ede\uff0c\u7279\u5225\u662f\u5728\u6027\u80fd\u548c\u5099\u4efd\u65b9\u9762\u3002\u56e0\u6b64\uff0c\u5728\u9078\u64c7\u5132\u5b58\u65b9\u5f0f\u6642\uff0c\u61c9\u6839\u64da\u5177\u9ad4\u9700\u6c42\u9032\u884c\u8003\u91cf\u3002\u5982\u679c\u60a8\u9700\u8981\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u652f\u6301\u60a8\u7684\u61c9\u7528\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u9069\u5408\u4e0d\u540c\u7684\u9700\u6c42\u3002\u7121\u8ad6\u662f <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u9084\u662f\u5176\u4ed6\u670d\u52d9\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u5728 MySQL \u4e2d\u76f4\u63a5\u5132\u5b58\u5716\u7247\uff0c\u638c\u63e1 BLOB \u985e\u578b\u7684\u4f7f\u7528\u53ca\u76f8\u95dc SQL \u64cd\u4f5c\u6280\u5de7\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-179648","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/179648","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=179648"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/179648\/revisions"}],"predecessor-version":[{"id":179649,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/179648\/revisions\/179649"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=179648"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=179648"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=179648"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}