{"id":187828,"date":"2024-11-11T17:31:21","date_gmt":"2024-11-11T09:31:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/187828\/"},"modified":"2024-11-11T17:31:22","modified_gmt":"2024-11-11T09:31:22","slug":"%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e6%b7%bb%e5%8a%a0%e5%9c%96%e7%89%87%e7%9a%84%e7%b0%a1%e5%96%ae%e6%96%b9%e6%b3%95-%e5%a6%82%e4%bd%95%e5%9c%a8%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e5%8a%a0%e5%9c%96","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/187828\/","title":{"rendered":"\u6578\u64da\u5eab\u4e2d\u6dfb\u52a0\u5716\u7247\u7684\u7c21\u55ae\u65b9\u6cd5 (\u5982\u4f55\u5728\u6578\u64da\u5eab\u4e2d\u52a0\u5716\u7247)"},"content":{"rendered":"<h1 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e6%b7%bb%e5%8a%a0%e5%9c%96%e7%89%87%e7%9a%84%e7%b0%a1%e5%96%ae%e6%96%b9%e6%b3%95-%e5%a6%82%e4%bd%95%e5%9c%a8%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e5%8a%a0%e5%9c%96-XqTuJaOayB\">\u6578\u64da\u5eab\u4e2d\u6dfb\u52a0\u5716\u7247\u7684\u7c21\u55ae\u65b9\u6cd5 (\u5982\u4f55\u5728\u6578\u64da\u5eab\u4e2d\u52a0\u5716\u7247)<\/h1>\n<p>\u5728\u73fe\u4eca\u7684\u7db2\u7d61\u74b0\u5883\u4e2d\uff0c\u5716\u7247\u5df2\u6210\u70ba\u7db2\u7ad9\u548c\u61c9\u7528\u7a0b\u5e8f\u4e2d\u4e0d\u53ef\u6216\u7f3a\u7684\u4e00\u90e8\u5206\u3002\u7121\u8ad6\u662f\u7528\u65bc\u5c55\u793a\u7522\u54c1\u3001\u589e\u5f37\u7528\u6236\u9ad4\u9a57\uff0c\u9084\u662f\u63d0\u5347\u7db2\u7ad9\u7684\u8996\u89ba\u5438\u5f15\u529b\uff0c\u5716\u7247\u7684\u4f7f\u7528\u90fd\u81f3\u95dc\u91cd\u8981\u3002\u7136\u800c\uff0c\u5c07\u5716\u7247\u5b58\u5132\u5728\u6578\u64da\u5eab\u4e2d\u4e26\u4e0d\u662f\u4e00\u4ef6\u7c21\u55ae\u7684\u4e8b\u60c5\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5728\u6578\u64da\u5eab\u4e2d\u6dfb\u52a0\u5716\u7247\u7684\u7c21\u55ae\u65b9\u6cd5\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e8%a6%81%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-XqTuJaOayB\">\u70ba\u4ec0\u9ebc\u8981\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\u5e7e\u500b\u512a\u9ede\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\u7522\u54c1\u4fe1\u606f\uff09\u7684\u4e00\u81f4\u6027\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e5%9c%a8%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e6%b7%bb%e5%8a%a0%e5%9c%96%e7%89%87-XqTuJaOayB\">\u5982\u4f55\u5728\u6578\u64da\u5eab\u4e2d\u6dfb\u52a0\u5716\u7247<\/h2>\n<p>\u5728\u6578\u64da\u5eab\u4e2d\u6dfb\u52a0\u5716\u7247\u7684\u904e\u7a0b\u901a\u5e38\u6d89\u53ca\u4ee5\u4e0b\u5e7e\u500b\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e9%81%b8%e6%93%87%e5%90%88%e9%81%a9%e7%9a%84%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b-XqTuJaOayB\">1. \u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u985e\u578b<\/h3>\n<p>\u5728\u6578\u64da\u5eab\u4e2d\u5b58\u5132\u5716\u7247\u6642\uff0c\u901a\u5e38\u6709\u5169\u7a2e\u9078\u64c7\uff1a\u5c07\u5716\u7247\u4ee5\u4e8c\u9032\u5236\u683c\u5f0f\u5b58\u5132\uff08\u5982 BLOB \u985e\u578b\uff09\u6216\u5b58\u5132\u5716\u7247\u7684\u8def\u5f91\u3002\u4ee5\u4e0b\u662f\u9019\u5169\u7a2e\u65b9\u6cd5\u7684\u7c21\u8981\u6bd4\u8f03\uff1a<\/p>\n<ul>\n<li><strong>BLOB\uff1a<\/strong>\u9069\u5408\u5c0f\u578b\u5716\u7247\uff0c\u76f4\u63a5\u5b58\u5132\u5728\u6578\u64da\u5eab\u4e2d\uff0c\u4f46\u53ef\u80fd\u6703\u5f71\u97ff\u6027\u80fd\u3002<\/li>\n<li><strong>\u8def\u5f91\uff1a<\/strong>\u5c07\u5716\u7247\u5b58\u5132\u5728\u6587\u4ef6\u7cfb\u7d71\u4e2d\uff0c\u6578\u64da\u5eab\u4e2d\u53ea\u5b58\u5132\u5716\u7247\u7684\u8def\u5f91\uff0c\u9019\u6a23\u53ef\u4ee5\u63d0\u9ad8\u6027\u80fd\u3002<\/li>\n<\/ul>\n<h3 id=\"2-%e5%89%b5%e5%bb%ba%e6%95%b8%e6%93%9a%e8%a1%a8-XqTuJaOayB\">2. \u5275\u5efa\u6578\u64da\u8868<\/h3>\n<p>\u5047\u8a2d\u6211\u5011\u9078\u64c7\u4f7f\u7528 BLOB \u985e\u578b\u4f86\u5b58\u5132\u5716\u7247\uff0c\u9996\u5148\u9700\u8981\u5275\u5efa\u4e00\u500b\u6578\u64da\u8868\u3002\u4ee5\u4e0b\u662f MySQL \u7684\u793a\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=\"3-%e6%8f%92%e5%85%a5%e5%9c%96%e7%89%87-XqTuJaOayB\">3. \u63d2\u5165\u5716\u7247<\/h3>\n<p>\u63a5\u4e0b\u4f86\uff0c\u6211\u5011\u9700\u8981\u5c07\u5716\u7247\u63d2\u5165\u5230\u6578\u64da\u5eab\u4e2d\u3002\u9019\u901a\u5e38\u6d89\u53ca\u5230\u5c07\u5716\u7247\u8f49\u63db\u70ba\u4e8c\u9032\u5236\u683c\u5f0f\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528 PHP \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: \" . $mysqli-&gt;connect_error);\n}\n\n$image = addslashes(file_get_contents($_FILES['image']['tmp_name']));\n$description = $mysqli-&gt;real_escape_string($_POST['description']);\n\n$sql = \"INSERT INTO images (image, description) VALUES ('$image', '$description')\";\n\nif ($mysqli-&gt;query($sql) === TRUE) {\n    echo \"Image uploaded successfully.\";\n} else {\n    echo \"Error: \" . $sql . \"&lt;br&gt;\" . $mysqli-&gt;error;\n}\n\n$mysqli-&gt;close();\n?&gt;<\/code><\/pre>\n<h3 id=\"4-%e5%be%9e%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e6%aa%a2%e7%b4%a2%e5%9c%96%e7%89%87-XqTuJaOayB\">4. \u5f9e\u6578\u64da\u5eab\u4e2d\u6aa2\u7d22\u5716\u7247<\/h3>\n<p>\u8981\u5f9e\u6578\u64da\u5eab\u4e2d\u6aa2\u7d22\u5716\u7247\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b PHP \u4ee3\u78bc\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: \" . $mysqli-&gt;connect_error);\n}\n\n$sql = \"SELECT image FROM images WHERE id = 1\";\n$result = $mysqli-&gt;query($sql);\n\nif ($result-&gt;num_rows &gt; 0) {\n    $row = $result-&gt;fetch_assoc();\n    header(\"Content-type: image\/jpeg\");\n    echo $row['image'];\n} else {\n    echo \"No image found.\";\n}\n\n$mysqli-&gt;close();\n?&gt;<\/code><\/pre>\n<h2 id=\"%e7%b5%90%e8%ab%96-XqTuJaOayB\">\u7d50\u8ad6<\/h2>\n<p>\u5728\u6578\u64da\u5eab\u4e2d\u6dfb\u52a0\u5716\u7247\u7684\u904e\u7a0b\u96d6\u7136\u770b\u4f3c\u8907\u96dc\uff0c\u4f46\u901a\u904e\u6b63\u78ba\u7684\u65b9\u6cd5\u548c\u4ee3\u78bc\u793a\u4f8b\uff0c\u53ef\u4ee5\u8f15\u9b06\u5be6\u73fe\u3002\u7121\u8ad6\u662f\u9078\u64c7\u5c07\u5716\u7247\u4ee5\u4e8c\u9032\u5236\u683c\u5f0f\u5b58\u5132\u9084\u662f\u50c5\u5b58\u5132\u8def\u5f91\uff0c\u95dc\u9375\u5728\u65bc\u6839\u64da\u5177\u9ad4\u9700\u6c42\u505a\u51fa\u9078\u64c7\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u7ba1\u7406\u548c\u5b58\u5132\u5927\u91cf\u5716\u7247\u7684\u7db2\u7ad9\u6216\u61c9\u7528\u7a0b\u5e8f\uff0c\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u53ef\u9760\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u670d\u52d9\u4f86\u652f\u6301\u60a8\u7684\u6578\u64da\u5eab\u548c\u5716\u7247\u5b58\u5132\u9700\u6c42\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u5e6b\u52a9\u60a8\u8f15\u9b06\u7ba1\u7406\u60a8\u7684\u7db2\u7ad9\u548c\u61c9\u7528\u7a0b\u5e8f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u5728\u6578\u64da\u5eab\u4e2d\u8f15\u9b06\u6dfb\u52a0\u5716\u7247\uff0c\u638c\u63e1\u7c21\u55ae\u6b65\u9a5f\u548c\u6280\u5de7\uff0c\u63d0\u5347\u6578\u64da\u7ba1\u7406\u6548\u7387\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-187828","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/187828","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=187828"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/187828\/revisions"}],"predecessor-version":[{"id":187829,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/187828\/revisions\/187829"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=187828"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=187828"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=187828"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}