{"id":77246,"date":"2024-01-04T08:20:55","date_gmt":"2024-01-04T00:20:55","guid":{"rendered":"\/\/www.dealsbon.com\/?p=77246"},"modified":"2024-01-04T08:20:55","modified_gmt":"2024-01-04T00:20:55","slug":"tsjzdu","status":"publish","type":"post","link":"\/\/www.dealsbon.com\/blog\/77246.html","title":{"rendered":"\u63a2\u7d22Java\u4e2d\u7684UUID"},"content":{"rendered":"

  UUID\uff08Universally Unique Identifier\uff09\u662f\u7528\u6765\u552f\u4e00\u6807\u8bc6\u4fe1\u606f\u7684\u4e00\u79cd\u6807\u51c6\u3002<\/p>\n

   \u5728Java\u7f16\u7a0b\u4e2d\uff0cUUID\u7c7b\u63d0\u4f9b\u4e86\u4e00\u79cd\u65b9\u6cd5\u6765\u751f\u6210\u8fd9\u79cd\u552f\u4e00\u6807\u8bc6\u7b26\u3002<\/p>\n

\u4ec0\u4e48\u662fUUID\uff1f<\/h2>\n

  UUID\u662f\u4e00\u4e2a128\u4f4d\u7684\u6570\u5b57\uff0c\u901a\u5e38\u4ee532\u4e2a\u5341\u516d\u8fdb\u5236\u6570\u5b57\u7684\u5f62\u5f0f\u8868\u793a\u3002\u5b83\u662f\u5728\u5206\u5e03\u5f0f\u8ba1\u7b97\u73af\u5883\u4e2d\u751f\u6210\u7684\uff0c\u65e8\u5728\u4fdd\u8bc1\u4efb\u4f55\u8ba1\u7b97\u673a\u4e0a\u751f\u6210\u7684UUID\u90fd\u662f\u552f\u4e00\u7684\u3002\u5728Java\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528UUID\u7c7b\u6765\u751f\u6210\u3001\u89e3\u6790\u548c\u64cd\u4f5cUUID\u3002<\/p>\n

  UUID\u7684\u7ed3\u6784<\/h3>\n

  UUID\u7531\u4e94\u4e2a\u90e8\u5206\u7ec4\u6210\uff1a\u65f6\u95f4\u6233\u3001\u65f6\u949f\u5e8f\u5217\u3001\u8282\u70b9\uff08\u901a\u5e38\u662fMAC\u5730\u5740\uff09\u3001\u65f6\u949f\u5e8f\u5217\u7684\u53d8\u5316\u548c\u8282\u70b9\u7684\u53d8\u5316\u3002\u901a\u8fc7\u8fd9\u4e9b\u90e8\u5206\u7684\u7ec4\u5408\uff0cUUID\u80fd\u591f\u5728\u4e0d\u540c\u7684\u8ba1\u7b97\u673a\u4e0a\u4fdd\u6301\u552f\u4e00\u6027\u3002<\/p>\n

  \u751f\u6210UUID<\/h3>\n

  \u5728Java\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528UUID\u7c7b\u7684\u9759\u6001\u65b9\u6cd5\u6765\u751f\u6210\u4e0d\u540c\u7248\u672c\u7684UUID\u3002\u5e38\u89c1\u7684\u65b9\u6cd5\u5305\u62ecrandomUUID()\u7528\u4e8e\u751f\u6210\u968f\u673aUUID\uff0cnameUUIDFromBytes(byte[] name)\u7528\u4e8e\u57fa\u4e8e\u540d\u5b57\u7684UUID\u7b49\u3002<\/p>\n

UUID\u5728Java\u4e2d\u7684\u5e94\u7528<\/h2>\n

  UUID\u5728Java\u4e2d\u5e7f\u6cdb\u5e94\u7528\u4e8e\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e2d\u7684\u552f\u4e00\u6807\u8bc6\u7b26\u751f\u6210\uff0c\u4f8b\u5982\u6570\u636e\u5e93\u8868\u7684\u4e3b\u952e\u3001\u4f1a\u8bdd\u7ba1\u7406\u3001\u6587\u4ef6\u5b58\u50a8\u7b49\u3002\u5b83\u7684\u552f\u4e00\u6027\u548c\u968f\u673a\u6027\u4f7f\u5f97\u5b83\u6210\u4e3a\u4e86\u4e00\u4e2a\u53ef\u9760\u7684\u65b9\u5f0f\u6765\u8bc6\u522b\u4e0d\u540c\u5bf9\u8c61\u3002<\/p>\n

  \u6570\u636e\u5e93\u4e2d\u7684\u4e3b\u952e<\/h3>\n

  \u5728\u6570\u636e\u5e93\u4e2d\uff0cUUID\u53ef\u4ee5\u7528\u4f5c\u8868\u7684\u4e3b\u952e\uff0c\u907f\u514d\u4e86\u591a\u4e2a\u5206\u5e03\u5f0f\u6570\u636e\u5e93\u4e4b\u95f4\u4e3b\u952e\u91cd\u590d\u7684\u95ee\u9898\uff0c\u4f7f\u5f97\u6570\u636e\u5206\u7247\u548c\u5408\u5e76\u66f4\u52a0\u65b9\u4fbf\u3002<\/p>\n

  \u4f1a\u8bdd\u7ba1\u7406<\/h3>\n

  \u5728Web\u5e94\u7528\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528UUID\u6765\u521b\u5efa\u552f\u4e00\u7684\u4f1a\u8bdd\u6807\u8bc6\u7b26\uff0c\u7528\u4e8e\u7528\u6237\u767b\u5f55\u548c\u8ddf\u8e2a\u7528\u6237\u7684\u884c\u4e3a\u3002<\/p>\n

\u603b\u7ed3<\/h2>\n

  UUID\u4f5c\u4e3a\u4e00\u79cd\u5168\u5c40\u552f\u4e00\u6807\u8bc6\u7b26\uff0c\u4e3a\u6211\u4eec\u5728\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e2d\u8bc6\u522b\u548c\u7ba1\u7406\u5bf9\u8c61\u63d0\u4f9b\u4e86\u6781\u5927\u7684\u5e2e\u52a9\u3002<\/strong>\u5728Java\u4e2d\uff0cUUID\u7c7b\u63d0\u4f9b\u4e86\u7b80\u5355\u800c\u5f3a\u5927\u7684\u65b9\u5f0f\u6765\u751f\u6210\u548c\u5904\u7406UUID\u3002\u901a\u8fc7\u6df1\u5165\u7406\u89e3\u548c\u7075\u6d3b\u5e94\u7528UUID<\/a>\uff0c\u6211\u4eec\u53ef\u4ee5\u66f4\u597d\u5730\u8bbe\u8ba1\u548c\u7ba1\u7406\u5206\u5e03\u5f0f\u7cfb\u7edf\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

UUID\uff08UniversallyUniqueIdentifier\uff09\u662f\u7528\u6765\u552f\u4e00\u6807\u8bc6\u4fe1\u606f\u7684\u4e00\u79cd\u6807\u51c6\u3002\u5728Java\u7f16\u7a0b\u4e2d\uff0cUUID\u7c7b\u63d0\u4f9b\u4e86\u4e00\u79cd\u65b9\u6cd5\u6765\u751f\u6210\u8fd9\u79cd\u552f\u4e00<\/p>\n","protected":false},"author":1,"featured_media":64183,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"default","ast-global-header-display":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","footnotes":""},"categories":[36],"tags":[326],"class_list":["post-77246","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-uuid"],"_links":{"self":[{"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/posts\/77246"}],"collection":[{"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/comments?post=77246"}],"version-history":[{"count":0,"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/posts\/77246\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/media\/64183"}],"wp:attachment":[{"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/media?parent=77246"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/categories?post=77246"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/tags?post=77246"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}