{"id":187702,"date":"2024-11-11T16:28:20","date_gmt":"2024-11-11T08:28:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/187702\/"},"modified":"2024-11-11T16:28:21","modified_gmt":"2024-11-11T08:28:21","slug":"%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e5%ad%98%e5%84%b2-guid-%e4%bf%a1%e6%81%af-guid-%e5%ad%98%e5%84%b2%e5%9c%a8%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/187702\/","title":{"rendered":"\u6578\u64da\u5eab\u4e2d\u5b58\u5132 GUID \u4fe1\u606f (guid \u5b58\u5132\u5728\u6578\u64da\u5eab\u4e2d)"},"content":{"rendered":"<h1 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e5%ad%98%e5%84%b2-guid-%e4%bf%a1%e6%81%af-guid-%e5%ad%98%e5%84%b2%e5%9c%a8%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad-whUnIxeIZm\">\u6578\u64da\u5eab\u4e2d\u5b58\u5132 GUID \u4fe1\u606f (GUID \u5b58\u5132\u5728\u6578\u64da\u5eab\u4e2d)<\/h1>\n<p>\u5728\u73fe\u4ee3\u61c9\u7528\u7a0b\u5e8f\u958b\u767c\u4e2d\uff0c\u552f\u4e00\u6a19\u8b58\u7b26\uff08Unique Identifier\uff09\u626e\u6f14\u8457\u81f3\u95dc\u91cd\u8981\u7684\u89d2\u8272\u3002\u7279\u5225\u662f\u5728\u5206\u4f48\u5f0f\u7cfb\u7d71\u4e2d\uff0c\u5168\u7403\u552f\u4e00\u6a19\u8b58\u7b26\uff08GUID\uff0cGlobally Unique Identifier\uff09\u88ab\u5ee3\u6cdb\u61c9\u7528\u65bc\u6578\u64da\u5eab\u4e2d\uff0c\u4ee5\u78ba\u4fdd\u6578\u64da\u7684\u552f\u4e00\u6027\u548c\u4e00\u81f4\u6027\u3002\u672c\u6587\u5c07\u63a2\u8a0e GUID \u7684\u7279\u6027\u3001\u512a\u52e2\u4ee5\u53ca\u5728\u6578\u64da\u5eab\u4e2d\u7684\u5b58\u5132\u65b9\u5f0f\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af-guid%ef%bc%9f-whUnIxeIZm\">\u4ec0\u9ebc\u662f GUID\uff1f<\/h2>\n<p>GUID \u662f\u4e00\u7a2e\u6a19\u6e96\u7684\u552f\u4e00\u6a19\u8b58\u7b26\uff0c\u901a\u5e38\u7531 128 \u4f4d\u7684\u6578\u5b57\u7d44\u6210\u3002\u5b83\u7684\u683c\u5f0f\u901a\u5e38\u70ba 32 \u4f4d\u5341\u516d\u9032\u5236\u6578\u5b57\uff0c\u4e26\u4ee5\u7279\u5b9a\u7684\u683c\u5f0f\u986f\u793a\uff0c\u4f8b\u5982\uff1a<\/p>\n<pre>\n550e8400-e29b-41d4-a716-446655440000\n<\/pre>\n<p>GUID \u7684\u751f\u6210\u4e0d\u4f9d\u8cf4\u65bc\u4efb\u4f55\u4e2d\u5fc3\u5316\u7684\u7cfb\u7d71\uff0c\u9019\u4f7f\u5f97\u5b83\u5728\u5206\u4f48\u5f0f\u74b0\u5883\u4e2d\u975e\u5e38\u6709\u7528\u3002\u6bcf\u500b GUID \u90fd\u662f\u7368\u4e00\u7121\u4e8c\u7684\uff0c\u9019\u610f\u5473\u8457\u5373\u4f7f\u5728\u4e0d\u540c\u7684\u7cfb\u7d71\u4e2d\u751f\u6210\uff0c\u4e5f\u4e0d\u6703\u51fa\u73fe\u91cd\u8907\u7684\u60c5\u6cc1\u3002<\/p>\n<h2 id=\"guid-%e7%9a%84%e5%84%aa%e5%8b%a2-whUnIxeIZm\">GUID \u7684\u512a\u52e2<\/h2>\n<ul>\n<li><strong>\u552f\u4e00\u6027\uff1a<\/strong>GUID \u7684\u8a2d\u8a08\u78ba\u4fdd\u4e86\u5176\u5168\u7403\u552f\u4e00\u6027\uff0c\u9019\u5c0d\u65bc\u9700\u8981\u8de8\u591a\u500b\u7cfb\u7d71\u6216\u6578\u64da\u5eab\u7684\u61c9\u7528\u7a0b\u5e8f\u5c24\u70ba\u91cd\u8981\u3002<\/li>\n<li><strong>\u5206\u4f48\u5f0f\u751f\u6210\uff1a<\/strong>\u7531\u65bc GUID \u53ef\u4ee5\u5728\u4e0d\u4f9d\u8cf4\u4e2d\u5fc3\u5316\u670d\u52d9\u7684\u60c5\u6cc1\u4e0b\u751f\u6210\uff0c\u9019\u4f7f\u5f97\u5b83\u975e\u5e38\u9069\u5408\u65bc\u5206\u4f48\u5f0f\u7cfb\u7d71\u3002<\/li>\n<li><strong>\u5b89\u5168\u6027\uff1a<\/strong>\u76f8\u8f03\u65bc\u81ea\u589e ID\uff0cGUID \u4e0d\u6613\u88ab\u731c\u6e2c\uff0c\u9019\u5728\u67d0\u4e9b\u5b89\u5168\u6027\u8981\u6c42\u8f03\u9ad8\u7684\u61c9\u7528\u4e2d\u662f\u500b\u512a\u52e2\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%9c%a8%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e5%ad%98%e5%84%b2-guid-whUnIxeIZm\">\u5728\u6578\u64da\u5eab\u4e2d\u5b58\u5132 GUID<\/h2>\n<p>\u5728\u6578\u64da\u5eab\u4e2d\u5b58\u5132 GUID \u6642\uff0c\u901a\u5e38\u6709\u5e7e\u7a2e\u4e0d\u540c\u7684\u65b9\u5f0f\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684\u6578\u64da\u5eab\u7cfb\u7d71\u53ca\u5176\u5c0d GUID \u7684\u652f\u6301\uff1a<\/p>\n<h3 id=\"1-sql-server-whUnIxeIZm\">1. SQL Server<\/h3>\n<p>\u5728 SQL Server \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>UNIQUEIDENTIFIER<\/code> \u6578\u64da\u985e\u578b\u4f86\u5b58\u5132 GUID\u3002\u4ee5\u4e0b\u662f\u5275\u5efa\u8868\u7684\u793a\u4f8b\uff1a<\/p>\n<pre>\nCREATE TABLE Users (\n    UserID UNIQUEIDENTIFIER DEFAULT NEWID(),\n    UserName NVARCHAR(100)\n);\n<\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c<code>UserID<\/code> \u5217\u5c07\u81ea\u52d5\u751f\u6210\u4e00\u500b\u65b0\u7684 GUID \u4f5c\u70ba\u9ed8\u8a8d\u503c\u3002<\/p>\n<h3 id=\"2-mysql-whUnIxeIZm\">2. MySQL<\/h3>\n<p>\u5728 MySQL \u4e2d\uff0c\u96d6\u7136\u6c92\u6709\u5c08\u9580\u7684 GUID \u985e\u578b\uff0c\u4f46\u53ef\u4ee5\u4f7f\u7528 <code>CHAR(36)<\/code> \u6216 <code>VARCHAR(36)<\/code> \u4f86\u5b58\u5132 GUID\u3002\u4ee5\u4e0b\u662f\u5275\u5efa\u8868\u7684\u793a\u4f8b\uff1a<\/p>\n<pre>\nCREATE TABLE Users (\n    UserID CHAR(36) NOT NULL,\n    UserName VARCHAR(100),\n    PRIMARY KEY (UserID)\n);\n<\/pre>\n<p>\u5728\u63d2\u5165\u6578\u64da\u6642\uff0c\u53ef\u4ee5\u4f7f\u7528 UUID \u51fd\u6578\u751f\u6210 GUID\uff1a<\/p>\n<pre>\nINSERT INTO Users (UserID, UserName) VALUES (UUID(), 'John Doe');\n<\/pre>\n<h3 id=\"3-postgresql-whUnIxeIZm\">3. PostgreSQL<\/h3>\n<p>PostgreSQL \u63d0\u4f9b\u4e86 <code>UUID<\/code> \u6578\u64da\u985e\u578b\uff0c\u53ef\u4ee5\u76f4\u63a5\u7528\u4f86\u5b58\u5132 GUID\u3002\u4ee5\u4e0b\u662f\u5275\u5efa\u8868\u7684\u793a\u4f8b\uff1a<\/p>\n<pre>\nCREATE TABLE Users (\n    UserID UUID DEFAULT gen_random_uuid(),\n    UserName VARCHAR(100)\n);\n<\/pre>\n<p>\u9019\u6a23\uff0c<code>UserID<\/code> \u5217\u5c07\u81ea\u52d5\u751f\u6210\u4e00\u500b\u65b0\u7684 UUID\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-whUnIxeIZm\">\u7d50\u8ad6<\/h2>\n<p>GUID \u5728\u6578\u64da\u5eab\u4e2d\u7684\u61c9\u7528\u8d8a\u4f86\u8d8a\u666e\u904d\uff0c\u7279\u5225\u662f\u5728\u9700\u8981\u552f\u4e00\u6a19\u8b58\u7b26\u7684\u5206\u4f48\u5f0f\u7cfb\u7d71\u4e2d\u3002\u7121\u8ad6\u662f SQL Server\u3001MySQL \u9084\u662f PostgreSQL\uff0c\u9019\u4e9b\u6578\u64da\u5eab\u7cfb\u7d71\u90fd\u63d0\u4f9b\u4e86\u652f\u6301 GUID \u7684\u65b9\u6cd5\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u6839\u64da\u9700\u6c42\u9078\u64c7\u5408\u9069\u7684\u5b58\u5132\u65b9\u5f0f\u3002\u4f7f\u7528 GUID \u4e0d\u50c5\u80fd\u5920\u63d0\u9ad8\u6578\u64da\u7684\u552f\u4e00\u6027\uff0c\u9084\u80fd\u589e\u5f37\u7cfb\u7d71\u7684\u5b89\u5168\u6027\u548c\u9748\u6d3b\u6027\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\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\u6e2f VPS<\/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>\u4e86\u89e3\u5982\u4f55\u5728\u6578\u64da\u5eab\u4e2d\u6709\u6548\u5b58\u5132\u548c\u7ba1\u7406 GUID \u4fe1\u606f\uff0c\u63d0\u5347\u6578\u64da\u4e00\u81f4\u6027\u548c\u67e5\u8a62\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-187702","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/187702","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=187702"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/187702\/revisions"}],"predecessor-version":[{"id":187703,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/187702\/revisions\/187703"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=187702"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=187702"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=187702"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}