{"id":84124,"date":"2020-05-15T09:24:41","date_gmt":"2020-05-15T01:24:41","guid":{"rendered":"http:\/\/4563.org\/?p=84124"},"modified":"2020-05-15T09:24:41","modified_gmt":"2020-05-15T01:24:41","slug":"%e4%b8%80%e7%a7%8d%e8%87%aa%e5%8a%a8%e9%85%8d%e7%bd%ae%e9%9b%aa%e8%8a%b1-id-%e7%ae%97%e6%b3%95%e5%8f%82%e6%95%b0%e7%9a%84%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=84124","title":{"rendered":"\u4e00\u79cd\u81ea\u52a8\u914d\u7f6e\u96ea\u82b1 id \u7b97\u6cd5\u53c2\u6570\u7684\u65b9\u6cd5"},"content":{"rendered":"
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\u4e00\u79cd\u81ea\u52a8\u914d\u7f6e\u96ea\u82b1 id \u7b97\u6cd5\u53c2\u6570\u7684\u65b9\u6cd5 <\/h1>\n

<\/p>\n

\n
\u8cc7\u6df1\u5927\u4f6c : Honwhy <\/span> <\/i> 5<\/span> <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n
<\/p>\n

id-demo<\/h1>\n

<\/p>\n

Snowflake powered by Redis or Zookeeper<\/p>\n

\u7b80\u5316\u53c2\u6570\u914d\u7f6e<\/h2>\n

\u96ea\u82b1 id \u7b97\u6cd5\u9700\u8981\u914d\u7f6e dataCenterId \u548c workerId\uff0c\u5206\u522b\u90fd\u662f 5 \u4f4d\uff0c\u4e24\u9879\u52a0\u8d77\u6765\u662f 10\uff0c\u8303\u56f4\u662f 2 ^ 10 = 1024; \u53ef\u4ee5\u7b80\u5316\u5904\u7406\uff0c\u4e24\u4e2a\u53c2\u6570\u7b80\u5316\u4e3a\u4e00\u4e2a\uff0c\u4f7f\u7528\u4e0b\u9762\u7684\u4f9d\u8d56\uff0c<\/p>\n

        <dependency>             <groupId>com.relops<\/groupId>             <artifactId>snowflake<\/artifactId>             <version>1.1<\/version>         <\/dependency> <\/code><\/pre>\n
int node = 0; Snowflake snowflake = new Snowflake(node); <\/code><\/pre>\n
node \u7684\u8303\u56f4\u5efa\u8bae 0~1023<\/p>\n
\u89e3\u51b3\u5206\u914d node \u53c2\u6570\u96be\u9898<\/h2>\n
\u5728\u96c6\u7fa4\u90e8\u7f72\u73af\u5883\uff0c\u591a\u53f0\u670d\u52a1\u5668\u80af\u5b9a\u662f\u4e0d\u80fd\u7528\u540c\u4e00\u4e2a node \u53c2\u6570\u7684\uff0c\u6bd4\u8f83\u7b80\u5355\u60f3\u5230\u7684\u65b9\u6848\u5c31\u662f\u6839\u636e\u670d\u52a1\u5668\u7684 ip \u5730\u5740\u5206\u914d\uff0c\u4e0d\u8fc7\u9700\u8981\u9996\u5148\u77e5\u9053\u6240\u6709\u670d\u52a1\u5668\u7684 ip \u5730\u5740\uff0c\u4e0d\u8fc7\u8fd9\u6837\u7684\u65b9\u6848\u662f\u65e0\u6cd5\u652f\u6301\u670d\u52a1\u5668\u6269\u5bb9\u7684\uff0c\u4e5f\u4e0d\u652f\u6301\u5bb9\u5668\u5316\u90e8\u7f72\u7684\u65b9\u5f0f\uff1b<\/p>\n
\u5047\u8bbe\u670d\u52a1\u5668\u6570\u91cf\u4e0d\u8d85\u8fc7 10 \u4e2a\uff0c\u7248\u672c\u8fed\u4ee3\u5927\u7ea6\u6240\u6709\u670d\u52a1\u5668\u90fd\u4f1a\u91cd\u65b0\u90e8\u7f72\uff0c\u60f3\u529e\u6cd5\u8ba9\u6bcf\u6b21\u90e8\u7f72\u90fd\u83b7\u53d6\u65b0\u7684 node\uff0c\u56e0\u4e3a\u53ea\u8981\u662f\u65b0\u7684\u5c31\u4e0d\u4f1a\u5b58\u5728\u51b2\u7a81\uff0c<\/p>\n
\u65b9\u6848 1\uff0c \u4f7f\u7528 Redis \u7684 increment \u539f\u5b50\u6027\u64cd\u4f5c\uff0c\u7136\u540e\u5bf9 1024 \u53d6\u6a21\u5373\u4e3a\u65b0\u5206\u914d\u7684 node\uff0c\u60f3\u8c61 1024 \u6570\u5b57\u73af\uff0c\u5f53\u65b0\u90e8\u7f72\u670d\u52a1\u5668\u83b7\u5f97\u4f59\u6570\u518d\u6b21\u51fa\u73b0 0 \u65f6\uff0c\u539f\u6765\u5176\u4ed6\u7684\u670d\u52a1\u5668\u83b7\u53d6\u7684 node \u8981\u6bd4 0 \u5927\u5f88\u591a\uff0c\u5343\u6570\u91cf\u7ea7\u6bd4\u4e2a\u4f4d\u6570\u6570\u91cf\u7ea7\u7684\u5dee\u8ddd\u8fd8\u662f\u8db3\u591f\u6211\u4eec\u4f7f\u7528\u7684\uff1b<\/p>\n
\u65b9\u6848 2\uff0c \u4f7f\u7528 Zookeeper \u7684 SEQUENTIAL \u6a21\u5f0f\u521b\u5efa\u8282\u70b9\uff0c\u83b7\u5f97\u5e8f\u5217\u503c\u7136\u540e\u4e5f\u662f\u5bf9 1024 \u53d6\u6a21\u5904\u7406\uff0c\u57fa\u672c\u4e0e\u65b9\u6848 1 \u76f8\u540c\u3002<\/p>\n
demo<\/h2>\n
https:\/\/github.com\/THH3\/id-demo<\/p>\n<\/p><\/div>\n
 \u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (0<\/span>)        <\/div>\n
 <\/div>\n<\/p><\/div>\n<\/p><\/div>\n
    \n
  • \n","protected":false},"excerpt":{"rendered":"
    \u4e00\u79cd\u81ea\u52a8\u914d\u7f6e\u96ea\u82b1 id \u7b97\u6cd5\u53c2\u6570\u7684…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[],"tags":[],"_links":{"self":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/84124"}],"collection":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=84124"}],"version-history":[{"count":0,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/84124\/revisions"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=84124"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=84124"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=84124"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}