{"id":173601,"date":"2024-11-07T19:23:20","date_gmt":"2024-11-07T11:23:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/173601\/"},"modified":"2024-11-07T19:23:21","modified_gmt":"2024-11-07T11:23:21","slug":"%e5%a6%82%e4%bd%95%e5%b0%87blob%e9%a1%9e%e5%9e%8b%e6%95%b8%e6%93%9a%e6%8f%92%e5%85%a5%e6%95%b8%e6%93%9a%e5%ba%ab%ef%bc%9f-blob%e9%a1%9e%e5%9e%8b%e6%95%b8%e6%93%9a%e6%8f%92%e5%85%a5%e6%95%b8%e6%93%9a","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/173601\/","title":{"rendered":"\u5982\u4f55\u5c07Blob\u985e\u578b\u6578\u64da\u63d2\u5165\u6578\u64da\u5eab\uff1f (blob\u985e\u578b\u6578\u64da\u63d2\u5165\u6578\u64da\u5eab)"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e5%b0%87blob%e9%a1%9e%e5%9e%8b%e6%95%b8%e6%93%9a%e6%8f%92%e5%85%a5%e6%95%b8%e6%93%9a%e5%ba%ab%ef%bc%9f-qPglLzUiOt\">\u5982\u4f55\u5c07Blob\u985e\u578b\u6578\u64da\u63d2\u5165\u6578\u64da\u5eab\uff1f<\/h1>\n<p>\u5728\u73fe\u4ee3\u61c9\u7528\u7a0b\u5e8f\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u4f7f\u7528\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u666e\u904d\uff0c\u5c24\u5176\u662f\u5728\u8655\u7406\u5927\u91cf\u6578\u64da\u6642\u3002Blob\uff08Binary Large Object\uff09\u985e\u578b\u6578\u64da\u662f\u4e00\u7a2e\u7279\u6b8a\u7684\u6578\u64da\u985e\u578b\uff0c\u901a\u5e38\u7528\u65bc\u5b58\u5132\u5927\u91cf\u7684\u4e8c\u9032\u5236\u6578\u64da\uff0c\u5982\u5716\u50cf\u3001\u97f3\u983b\u548c\u8996\u983b\u6587\u4ef6\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5c07Blob\u985e\u578b\u6578\u64da\u63d2\u5165\u6578\u64da\u5eab\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%afblob%e9%a1%9e%e5%9e%8b%e6%95%b8%e6%93%9a%ef%bc%9f-qPglLzUiOt\">\u4ec0\u9ebc\u662fBlob\u985e\u578b\u6578\u64da\uff1f<\/h2>\n<p>Blob\u985e\u578b\u6578\u64da\u662f\u7528\u65bc\u5b58\u5132\u4e8c\u9032\u5236\u6578\u64da\u7684\u6578\u64da\u985e\u578b\uff0c\u901a\u5e38\u7528\u65bc\u5b58\u5132\u5927\u578b\u6587\u4ef6\u3002\u6839\u64da\u4e0d\u540c\u7684\u6578\u64da\u5eab\u7cfb\u7d71\uff0cBlob\u985e\u578b\u53ef\u4ee5\u5206\u70ba\u5e7e\u7a2e\u985e\u578b\uff0c\u4f8b\u5982\uff1a<\/p>\n<ul>\n<li><strong>TinyBlob<\/strong>: \u6700\u5c0f\u7684Blob\u985e\u578b\uff0c\u6700\u5927\u9577\u5ea6\u70ba255\u5b57\u7bc0\u3002<\/li>\n<li><strong>Blob<\/strong>: \u6a19\u6e96\u7684Blob\u985e\u578b\uff0c\u6700\u5927\u9577\u5ea6\u70ba65,535\u5b57\u7bc0\u3002<\/li>\n<li><strong>MediumBlob<\/strong>: \u4e2d\u7b49\u5927\u5c0f\u7684Blob\uff0c\u6700\u5927\u9577\u5ea6\u70ba16,777,215\u5b57\u7bc0\u3002<\/li>\n<li><strong>LongBlob<\/strong>: \u6700\u5927\u7684Blob\u985e\u578b\uff0c\u6700\u5927\u9577\u5ea6\u70ba4,294,967,295\u5b57\u7bc0\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e5%b0%87blob%e6%95%b8%e6%93%9a%e6%8f%92%e5%85%a5%e6%95%b8%e6%93%9a%e5%ba%ab%ef%bc%9f-qPglLzUiOt\">\u5982\u4f55\u5c07Blob\u6578\u64da\u63d2\u5165\u6578\u64da\u5eab\uff1f<\/h2>\n<p>\u5c07Blob\u6578\u64da\u63d2\u5165\u6578\u64da\u5eab\u7684\u904e\u7a0b\u901a\u5e38\u5305\u62ec\u4ee5\u4e0b\u5e7e\u500b\u6b65\u9a5f\uff1a<\/p>\n<ol>\n<li>\u5efa\u7acb\u6578\u64da\u5eab\u9023\u63a5\u3002<\/li>\n<li>\u6e96\u5099SQL\u63d2\u5165\u8a9e\u53e5\u3002<\/li>\n<li>\u5c07Blob\u6578\u64da\u8b80\u53d6\u5230\u5167\u5b58\u4e2d\u3002<\/li>\n<li>\u57f7\u884c\u63d2\u5165\u64cd\u4f5c\u3002<\/li>\n<li>\u95dc\u9589\u6578\u64da\u5eab\u9023\u63a5\u3002<\/li>\n<\/ol>\n<h3 id=\"%e7%a4%ba%e4%be%8b%ef%bc%9a%e4%bd%bf%e7%94%a8php%e5%92%8cmysql%e6%8f%92%e5%85%a5blob%e6%95%b8%e6%93%9a-qPglLzUiOt\">\u793a\u4f8b\uff1a\u4f7f\u7528PHP\u548cMySQL\u63d2\u5165Blob\u6578\u64da<\/h3>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528PHP\u548cMySQL\u5c07Blob\u6578\u64da\u63d2\u5165\u6578\u64da\u5eab\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>&lt;?php\n\/\/ \u6578\u64da\u5eab\u9023\u63a5\u53c3\u6578\n$servername = \"localhost\";\n$username = \"username\";\n$password = \"password\";\n$dbname = \"database_name\";\n\n\/\/ \u5275\u5efa\u9023\u63a5\n$conn = new mysqli($servername, $username, $password, $dbname);\n\n\/\/ \u6aa2\u67e5\u9023\u63a5\nif ($conn-&gt;connect_error) {\n    die(\"Connection failed: \" . $conn-&gt;connect_error);\n}\n\n\/\/ \u6e96\u5099SQL\u8a9e\u53e5\n$stmt = $conn-&gt;prepare(\"INSERT INTO images (image_data) VALUES (?)\");\n$stmt-&gt;bind_param(\"b\", $imageData);\n\n\/\/ \u8b80\u53d6\u6587\u4ef6\n$imageFile = 'path\/to\/image.jpg';\n$imageData = file_get_contents($imageFile);\n\n\/\/ \u57f7\u884c\u63d2\u5165\u64cd\u4f5c\n$stmt-&gt;execute();\n\n\/\/ \u95dc\u9589\u9023\u63a5\n$stmt-&gt;close();\n$conn-&gt;close();\n?&gt;<\/code><\/pre>\n<h3 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-qPglLzUiOt\">\u6ce8\u610f\u4e8b\u9805<\/h3>\n<p>\u5728\u63d2\u5165Blob\u6578\u64da\u6642\uff0c\u6709\u5e7e\u500b\u6ce8\u610f\u4e8b\u9805\u9700\u8981\u8003\u616e\uff1a<\/p>\n<ul>\n<li>\u78ba\u4fdd\u6578\u64da\u5eab\u8868\u7684Blob\u5b57\u6bb5\u5df2\u6b63\u78ba\u8a2d\u7f6e\u3002<\/li>\n<li>\u6839\u64da\u9700\u8981\u8abf\u6574PHP\u7684\u5167\u5b58\u9650\u5236\uff0c\u4ee5\u4fbf\u80fd\u5920\u8655\u7406\u5927\u578b\u6587\u4ef6\u3002<\/li>\n<li>\u8003\u616e\u4f7f\u7528\u6d41\u5f0f\u8655\u7406\u4f86\u8655\u7406\u975e\u5e38\u5927\u7684\u6587\u4ef6\uff0c\u4ee5\u907f\u514d\u5167\u5b58\u6ea2\u51fa\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-qPglLzUiOt\">\u7d50\u8ad6<\/h2>\n<p>\u5c07Blob\u985e\u578b\u6578\u64da\u63d2\u5165\u6578\u64da\u5eab\u662f\u4e00\u500b\u76f8\u5c0d\u7c21\u55ae\u7684\u904e\u7a0b\uff0c\u4f46\u9700\u8981\u6ce8\u610f\u4e00\u4e9b\u7d30\u7bc0\u3002\u901a\u904e\u6b63\u78ba\u7684\u6578\u64da\u5eab\u8a2d\u7f6e\u548c\u4ee3\u78bc\u5be6\u73fe\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u7ba1\u7406\u548c\u5b58\u5132\u4e8c\u9032\u5236\u6578\u64da\u3002\u7121\u8ad6\u662f\u5716\u50cf\u3001\u97f3\u983b\u9084\u662f\u8996\u983b\uff0cBlob\u6578\u64da\u985e\u578b\u90fd\u80fd\u70ba\u61c9\u7528\u7a0b\u5e8f\u63d0\u4f9b\u9748\u6d3b\u7684\u6578\u64da\u5b58\u5132\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u53ef\u9760\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u652f\u6301\u60a8\u7684\u6578\u64da\u5eab\u61c9\u7528\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u7684\u5ba2\u6236\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\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u5c07Blob\u985e\u578b\u6578\u64da\u6709\u6548\u63d2\u5165\u6578\u64da\u5eab\uff0c\u5305\u62ec\u6b65\u9a5f\u3001\u793a\u4f8b\u4ee3\u78bc\u53ca\u6ce8\u610f\u4e8b\u9805\uff0c\u78ba\u4fdd\u6578\u64da\u5b8c\u6574\u6027\u8207\u6027\u80fd\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-173601","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/173601","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=173601"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/173601\/revisions"}],"predecessor-version":[{"id":173602,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/173601\/revisions\/173602"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=173601"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=173601"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=173601"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}