{"id":79048,"date":"2024-10-16T12:36:17","date_gmt":"2024-10-16T04:36:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/79048\/"},"modified":"2024-10-16T12:36:17","modified_gmt":"2024-10-16T04:36:17","slug":"mysql%e6%8c%87%e4%bb%a4-longblob%ef%bc%88%e9%95%b7%e5%9e%8b%e4%ba%8c%e9%80%b2%e5%88%b6%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/79048\/","title":{"rendered":"MySQL\u6307\u4ee4: LONGBLOB\uff08\u9577\u578b\u4e8c\u9032\u5236\uff09"},"content":{"rendered":"<h1 id=\"mysql%e6%8c%87%e4%bb%a4-longblob%ef%bc%88%e9%95%b7%e5%9e%8b%e4%ba%8c%e9%80%b2%e5%88%b6%ef%bc%89-oqXzVCGEMQ\">MySQL\u6307\u4ee4: LONGBLOB\uff08\u9577\u578b\u4e8c\u9032\u5236\uff09<\/h1>\n<p>\u5728\u8cc7\u6599\u5eab\u7ba1\u7406\u7cfb\u7d71\u4e2d\uff0cMySQL\u662f\u4e00\u500b\u5ee3\u6cdb\u4f7f\u7528\u7684\u958b\u6e90\u8cc7\u6599\u5eab\uff0c\u7279\u5225\u9069\u5408\u7528\u65bc\u7db2\u9801\u61c9\u7528\u7a0b\u5f0f\u3002MySQL\u63d0\u4f9b\u4e86\u591a\u7a2e\u8cc7\u6599\u985e\u578b\u4ee5\u6eff\u8db3\u4e0d\u540c\u7684\u9700\u6c42\uff0c\u5176\u4e2d\u4e4b\u4e00\u4fbf\u662fLONGBLOB\uff08\u9577\u578b\u4e8c\u9032\u5236\uff09\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0eLONGBLOB\u7684\u7279\u6027\u3001\u4f7f\u7528\u60c5\u5883\u53ca\u5176\u5728MySQL\u4e2d\u7684\u61c9\u7528\u3002<\/p>\n<h2 id=\"longblob%e7%9a%84%e5%ae%9a%e7%be%a9-oqXzVCGEMQ\">LONGBLOB\u7684\u5b9a\u7fa9<\/h2>\n<p>LONGBLOB\u662f\u4e00\u7a2e\u7528\u65bc\u5132\u5b58\u5927\u578b\u4e8c\u9032\u5236\u7269\u4ef6\uff08BLOB\uff09\u7684\u8cc7\u6599\u985e\u578b\u3002\u5b83\u53ef\u4ee5\u5132\u5b58\u6700\u591a\u90544GB\u7684\u4e8c\u9032\u5236\u6578\u64da\uff0c\u9019\u4f7f\u5f97\u5b83\u975e\u5e38\u9069\u5408\u7528\u65bc\u5132\u5b58\u5716\u7247\u3001\u97f3\u983b\u3001\u8996\u983b\u53ca\u5176\u4ed6\u5927\u578b\u6587\u4ef6\u3002\u8207\u5176\u4ed6BLOB\u985e\u578b\u76f8\u6bd4\uff0cLONGBLOB\u7684\u5bb9\u91cf\u6700\u5927\uff0c\u9069\u5408\u9700\u8981\u8655\u7406\u5927\u91cf\u6578\u64da\u7684\u61c9\u7528\u3002<\/p>\n<h2 id=\"longblob%e7%9a%84%e7%89%b9%e6%80%a7-oqXzVCGEMQ\">LONGBLOB\u7684\u7279\u6027<\/h2>\n<ul>\n<li><strong>\u5bb9\u91cf\uff1a<\/strong>LONGBLOB\u53ef\u4ee5\u5132\u5b58\u7684\u6578\u64da\u91cf\u9ad8\u90544GB\uff0c\u9019\u4f7f\u5f97\u5b83\u5728\u8655\u7406\u5927\u578b\u6587\u4ef6\u6642\u975e\u5e38\u6709\u7528\u3002<\/li>\n<li><strong>\u4e8c\u9032\u5236\u6578\u64da\uff1a<\/strong>\u5b83\u5c08\u9580\u8a2d\u8a08\u7528\u4f86\u5132\u5b58\u4e8c\u9032\u5236\u6578\u64da\uff0c\u9019\u610f\u5473\u8457\u5b83\u53ef\u4ee5\u5132\u5b58\u4efb\u4f55\u985e\u578b\u7684\u6578\u64da\uff0c\u800c\u4e0d\u50c5\u50c5\u662f\u6587\u672c\u3002<\/li>\n<li><strong>\u9748\u6d3b\u6027\uff1a<\/strong>LONGBLOB\u53ef\u4ee5\u8207\u5176\u4ed6\u8cc7\u6599\u985e\u578b\u7d50\u5408\u4f7f\u7528\uff0c\u63d0\u4f9b\u66f4\u5927\u7684\u9748\u6d3b\u6027\u4ee5\u6eff\u8db3\u4e0d\u540c\u7684\u9700\u6c42\u3002<\/li>\n<\/ul>\n<h2 id=\"%e4%bd%bf%e7%94%a8longblob%e7%9a%84%e6%83%85%e5%a2%83-oqXzVCGEMQ\">\u4f7f\u7528LONGBLOB\u7684\u60c5\u5883<\/h2>\n<p>\u5728\u8a31\u591a\u60c5\u6cc1\u4e0b\uff0cLONGBLOB\u662f\u5132\u5b58\u5927\u578b\u6587\u4ef6\u7684\u7406\u60f3\u9078\u64c7\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684\u4f7f\u7528\u60c5\u5883\uff1a<\/p>\n<ul>\n<li><strong>\u5716\u7247\u5132\u5b58\uff1a<\/strong>\u7db2\u7ad9\u901a\u5e38\u9700\u8981\u5132\u5b58\u7528\u6236\u4e0a\u50b3\u7684\u5716\u7247\uff0c\u4f7f\u7528LONGBLOB\u53ef\u4ee5\u6709\u6548\u5730\u7ba1\u7406\u9019\u4e9b\u5927\u578b\u6587\u4ef6\u3002<\/li>\n<li><strong>\u97f3\u983b\u548c\u8996\u983b\u6a94\u6848\uff1a<\/strong>\u5c0d\u65bc\u9700\u8981\u5132\u5b58\u97f3\u983b\u6216\u8996\u983b\u7684\u61c9\u7528\uff0cLONGBLOB\u63d0\u4f9b\u4e86\u8db3\u5920\u7684\u7a7a\u9593\u4f86\u5132\u5b58\u9019\u4e9b\u5a92\u9ad4\u6587\u4ef6\u3002<\/li>\n<li><strong>\u6587\u6a94\u5132\u5b58\uff1a<\/strong>\u67d0\u4e9b\u61c9\u7528\u53ef\u80fd\u9700\u8981\u5132\u5b58\u5927\u578b\u6587\u6a94\uff0c\u5982PDF\u6216Word\u6587\u4ef6\uff0cLONGBLOB\u540c\u6a23\u9069\u7528\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e5%9c%a8mysql%e4%b8%ad%e4%bd%bf%e7%94%a8longblob-oqXzVCGEMQ\">\u5982\u4f55\u5728MySQL\u4e2d\u4f7f\u7528LONGBLOB<\/h2>\n<p>\u5728MySQL\u4e2d\u5275\u5efa\u4e00\u500b\u5305\u542bLONGBLOB\u6b04\u4f4d\u7684\u8868\u683c\u975e\u5e38\u7c21\u55ae\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u793a\u4f8b\uff1a<\/p>\n<pre><code>CREATE TABLE media_files (\n    id INT AUTO_INCREMENT PRIMARY KEY,\n    file_name VARCHAR(255) NOT NULL,\n    file_data LONGBLOB NOT NULL\n);<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u5275\u5efa\u4e86\u4e00\u500b\u540d\u70bamedia_files\u7684\u8868\u683c\uff0c\u5176\u4e2d\u5305\u542b\u4e09\u500b\u6b04\u4f4d\uff1aid\u3001file_name\u548cfile_data\u3002file_data\u6b04\u4f4d\u7684\u8cc7\u6599\u985e\u578b\u70baLONGBLOB\uff0c\u7528\u65bc\u5132\u5b58\u5927\u578b\u4e8c\u9032\u5236\u6578\u64da\u3002<\/p>\n<h2 id=\"%e6%8f%92%e5%85%a5%e5%92%8c%e6%aa%a2%e7%b4%a2longblob%e6%95%b8%e6%93%9a-oqXzVCGEMQ\">\u63d2\u5165\u548c\u6aa2\u7d22LONGBLOB\u6578\u64da<\/h2>\n<p>\u63d2\u5165LONGBLOB\u6578\u64da\u7684\u904e\u7a0b\u8207\u5176\u4ed6\u8cc7\u6599\u985e\u578b\u76f8\u4f3c\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u63d2\u5165\u6578\u64da\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>INSERT INTO media_files (file_name, file_data) VALUES ('example.jpg', LOAD_FILE('\/path\/to\/example.jpg'));<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u4f7f\u7528LOAD_FILE\u51fd\u6578\u5c07\u4e00\u500b\u5716\u7247\u6587\u4ef6\u63d2\u5165\u5230media_files\u8868\u683c\u4e2d\u3002\u8981\u6aa2\u7d22LONGBLOB\u6578\u64da\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u67e5\u8a62\uff1a<\/p>\n<pre><code>SELECT file_name, file_data FROM media_files WHERE id = 1;<\/code><\/pre>\n<p>\u9019\u5c07\u8fd4\u56de\u6307\u5b9aID\u7684\u6587\u4ef6\u540d\u7a31\u548c\u4e8c\u9032\u5236\u6578\u64da\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-oqXzVCGEMQ\">\u7e3d\u7d50<\/h2>\n<p>LONGBLOB\u662f\u4e00\u7a2e\u5f37\u5927\u7684\u8cc7\u6599\u985e\u578b\uff0c\u9069\u5408\u7528\u65bc\u5132\u5b58\u5927\u578b\u4e8c\u9032\u5236\u6578\u64da\u3002\u7121\u8ad6\u662f\u5716\u7247\u3001\u97f3\u983b\u9084\u662f\u5176\u4ed6\u985e\u578b\u7684\u6587\u4ef6\uff0cLONGBLOB\u90fd\u80fd\u63d0\u4f9b\u8db3\u5920\u7684\u7a7a\u9593\u548c\u9748\u6d3b\u6027\u4f86\u6eff\u8db3\u9700\u6c42\u3002\u5728\u4f7f\u7528MySQL\u9032\u884c\u8cc7\u6599\u5eab\u8a2d\u8a08\u6642\uff0c\u4e86\u89e3\u5982\u4f55\u6709\u6548\u5730\u4f7f\u7528LONGBLOB\u5c07\u6709\u52a9\u65bc\u63d0\u5347\u61c9\u7528\u7684\u6027\u80fd\u548c\u53ef\u64f4\u5c55\u6027\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u904b\u884c\u60a8\u7684MySQL\u8cc7\u6599\u5eab\uff0cServer.HK\u63d0\u4f9b\u4e86\u591a\u7a2e\u9078\u64c7\u4ee5\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3MySQL\u4e2d\u7684LONGBLOB\u6307\u4ee4\uff0c\u5982\u4f55\u5b58\u5132\u548c\u7ba1\u7406\u5927\u578b\u4e8c\u9032\u5236\u6578\u64da\uff0c\u9069\u7528\u65bc\u5716\u50cf\u3001\u97f3\u983b\u548c\u8996\u983b\u6587\u4ef6\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-79048","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/79048","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=79048"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/79048\/revisions"}],"predecessor-version":[{"id":79049,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/79048\/revisions\/79049"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=79048"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=79048"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=79048"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}