{"id":76186,"date":"2024-10-16T04:34:15","date_gmt":"2024-10-15T20:34:15","guid":{"rendered":"https:\/\/server.hk\/cnblog\/76186\/"},"modified":"2024-10-16T04:34:15","modified_gmt":"2024-10-15T20:34:15","slug":"mysql%e5%a6%82%e4%bd%95%e5%ad%98%e5%84%b2%e5%9c%96%e7%89%87%ef%bc%9a%e5%bb%ba%e8%a1%a8%e6%8c%87%e5%8d%97-mysql%e6%95%b8%e6%93%9a%e5%ba%ab%e5%bb%ba%e8%a1%a8%e5%84%b2%e5%ad%98%e5%9c%96%e7%89%87","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/76186\/","title":{"rendered":"MySQL\u5982\u4f55\u5b58\u5132\u5716\u7247\uff1a\u5efa\u8868\u6307\u5357 (MySQL\u6578\u64da\u5eab\u5efa\u8868\u5132\u5b58\u5716\u7247)"},"content":{"rendered":"

MySQL\u5982\u4f55\u5b58\u5132\u5716\u7247\uff1a\u5efa\u8868\u6307\u5357<\/h1>\n

\u5728\u73fe\u4ee3\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\u5728MySQL\u6578\u64da\u5eab\u4e2d\u5b58\u5132\u548c\u7ba1\u7406\u5716\u7247\u662f\u4e00\u500b\u503c\u5f97\u95dc\u6ce8\u7684\u554f\u984c\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5728MySQL\u4e2d\u5b58\u5132\u5716\u7247\u7684\u5e7e\u7a2e\u65b9\u6cd5\uff0c\u4e26\u63d0\u4f9b\u5efa\u8868\u7684\u5177\u9ad4\u6307\u5357\u3002<\/p>\n

\u5b58\u5132\u5716\u7247\u7684\u65b9\u5f0f<\/h2>\n

\u5728MySQL\u4e2d\uff0c\u5b58\u5132\u5716\u7247\u4e3b\u8981\u6709\u5169\u7a2e\u65b9\u5f0f\uff1a\u76f4\u63a5\u5b58\u5132\u5716\u7247\u6578\u64da\u548c\u5b58\u5132\u5716\u7247\u7684\u8def\u5f91\u3002<\/p>\n

1. \u76f4\u63a5\u5b58\u5132\u5716\u7247\u6578\u64da<\/h3>\n

\u9019\u7a2e\u65b9\u6cd5\u662f\u5c07\u5716\u7247\u7684\u4e8c\u9032\u5236\u6578\u64da\u76f4\u63a5\u5b58\u5132\u5728\u6578\u64da\u5eab\u4e2d\u3002MySQL\u63d0\u4f9b\u4e86BLOB\uff08Binary Large Object\uff09\u985e\u578b\u4f86\u5b58\u5132\u4e8c\u9032\u5236\u6578\u64da\u3002BLOB\u985e\u578b\u6709\u56db\u7a2e\uff1aTINYBLOB\u3001BLOB\u3001MEDIUMBLOB\u548cLONGBLOB\uff0c\u5206\u5225\u5c0d\u61c9\u4e0d\u540c\u5927\u5c0f\u7684\u6578\u64da\u3002<\/p>\n

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
\u5728\u9019\u500b\u8868\u4e2d\uff0cimage_data<\/code>\u5b57\u6bb5\u7528\u4f86\u5b58\u5132\u5716\u7247\u7684\u4e8c\u9032\u5236\u6578\u64da\uff0c\u800cimage_type<\/code>\u5b57\u6bb5\u5247\u7528\u4f86\u5b58\u5132\u5716\u7247\u7684\u985e\u578b\uff08\u5982JPEG\u3001PNG\u7b49\uff09\u3002<\/p>\n
2. \u5b58\u5132\u5716\u7247\u7684\u8def\u5f91<\/h3>\n
\u53e6\u4e00\u7a2e\u5e38\u898b\u7684\u65b9\u6cd5\u662f\u5c07\u5716\u7247\u4e0a\u50b3\u5230\u670d\u52d9\u5668\u7684\u6587\u4ef6\u7cfb\u7d71\u4e2d\uff0c\u7136\u5f8c\u5728\u6578\u64da\u5eab\u4e2d\u50c5\u5b58\u5132\u5716\u7247\u7684\u8def\u5f91\u3002\u9019\u7a2e\u65b9\u6cd5\u7684\u512a\u9ede\u662f\u6e1b\u5c11\u4e86\u6578\u64da\u5eab\u7684\u8ca0\u64d4\uff0c\u4e26\u4e14\u5728\u8655\u7406\u5927\u6587\u4ef6\u6642\u66f4\u52a0\u9ad8\u6548\u3002<\/p>\n
CREATE TABLE images (\n    id INT AUTO_INCREMENT PRIMARY KEY,\n    image_path VARCHAR(255) NOT NULL,\n    image_type VARCHAR(50) NOT NULL,\n    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP\n);<\/code><\/pre>\n
\u5728\u9019\u500b\u8868\u4e2d\uff0cimage_path<\/code>\u5b57\u6bb5\u7528\u4f86\u5b58\u5132\u5716\u7247\u7684\u8def\u5f91\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u901a\u904e\u9019\u500b\u8def\u5f91\u4f86\u8a2a\u554f\u5716\u7247\u3002<\/p>\n
\u9078\u64c7\u5408\u9069\u7684\u5b58\u5132\u65b9\u5f0f<\/h2>\n
\u9078\u64c7\u54ea\u7a2e\u5b58\u5132\u65b9\u5f0f\u53d6\u6c7a\u65bc\u5177\u9ad4\u7684\u61c9\u7528\u9700\u6c42\u3002\u5982\u679c\u9700\u8981\u983b\u7e41\u5730\u8a2a\u554f\u548c\u64cd\u4f5c\u5716\u7247\uff0c\u76f4\u63a5\u5b58\u5132\u5728\u6578\u64da\u5eab\u4e2d\u53ef\u80fd\u66f4\u65b9\u4fbf\uff1b\u4f46\u5982\u679c\u5716\u7247\u6578\u91cf\u9f90\u5927\uff0c\u4e14\u4e0d\u9700\u8981\u7d93\u5e38\u4fee\u6539\uff0c\u5247\u5b58\u5132\u8def\u5f91\u6703\u66f4\u5408\u9069\u3002<\/p>\n
\u5716\u7247\u4e0a\u50b3\u8207\u5b58\u5132\u793a\u4f8b<\/h2>\n
\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684PHP\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u5c07\u5716\u7247\u4e0a\u50b3\u5230\u670d\u52d9\u5668\u4e26\u5b58\u5132\u5176\u8def\u5f91\u5230MySQL\u6578\u64da\u5eab\u4e2d\uff1a<\/p>\n
<?php\nif(isset($_POST['submit'])) {\n    $image = $_FILES['image']['tmp_name'];\n    $imagePath = 'uploads\/' . $_FILES['image']['name'];\n    move_uploaded_file($image, $imagePath);\n\n    $conn = new mysqli('localhost', 'username', 'password', 'database');\n    $stmt = $conn->prepare(\"INSERT INTO images (image_path, image_type) VALUES (?, ?)\");\n    $stmt->bind_param(\"ss\", $imagePath, $_FILES['image']['type']);\n    $stmt->execute();\n    $stmt->close();\n    $conn->close();\n}\n?><\/code><\/pre>\n
\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u4f7f\u7528\u8005\u4e0a\u50b3\u7684\u5716\u7247\u6703\u88ab\u79fb\u52d5\u5230\u6307\u5b9a\u7684\u6587\u4ef6\u593e\u4e2d\uff0c\u7136\u5f8c\u5176\u8def\u5f91\u548c\u985e\u578b\u6703\u88ab\u5b58\u5132\u5230\u6578\u64da\u5eab\u4e2d\u3002<\/p>\n
\u7e3d\u7d50<\/h2>\n
\u5728MySQL\u4e2d\u5b58\u5132\u5716\u7247\u7684\u65b9\u5f0f\u6709\u591a\u7a2e\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u6839\u64da\u5177\u9ad4\u9700\u6c42\u9078\u64c7\u5408\u9069\u7684\u65b9\u6cd5\u3002\u7121\u8ad6\u662f\u76f4\u63a5\u5b58\u5132\u4e8c\u9032\u5236\u6578\u64da\u9084\u662f\u5b58\u5132\u5716\u7247\u8def\u5f91\uff0c\u4e86\u89e3\u5982\u4f55\u5efa\u8868\u548c\u7ba1\u7406\u6578\u64da\u90fd\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u5b58\u5132\u548c\u7ba1\u7406\u5716\u7247\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\u81f3\u95dc\u91cd\u8981\u3002\u82e5\u60a8\u9700\u8981\u9032\u4e00\u6b65\u4e86\u89e3\u5982\u4f55\u4f7f\u7528\u9999\u6e2fVPS<\/a>\u4f86\u642d\u5efa\u60a8\u7684\u6578\u64da\u5eab\u74b0\u5883\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u4fe1\u606f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u4e86\u89e3\u5982\u4f55\u5728MySQL\u4e2d\u5efa\u8868\u4ee5\u5b58\u5132\u5716\u7247\uff0c\u638c\u63e1\u6578\u64da\u985e\u578b\u9078\u64c7\u548c\u6700\u4f73\u5be6\u8e10\uff0c\u8f15\u9b06\u7ba1\u7406\u5a92\u9ad4\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-76186","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/76186","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=76186"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/76186\/revisions"}],"predecessor-version":[{"id":76187,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/76186\/revisions\/76187"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=76186"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=76186"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=76186"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}