{"id":1956,"date":"2023-04-01T10:20:37","date_gmt":"2023-04-01T02:20:37","guid":{"rendered":"https:\/\/www.appblog.cn\/?p=1956"},"modified":"2023-04-22T08:38:39","modified_gmt":"2023-04-22T00:38:39","slug":"using-database-middleware-mycat-springboot-to-complete-database-and-table-partitioning","status":"publish","type":"post","link":"https:\/\/www.appblog.cn\/index.php\/2023\/04\/01\/using-database-middleware-mycat-springboot-to-complete-database-and-table-partitioning\/","title":{"rendered":"\u4f7f\u7528\u6570\u636e\u5e93\u4e2d\u95f4\u4ef6MyCat+SpringBoot\u5b8c\u6210\u5206\u5e93\u5206\u8868"},"content":{"rendered":"<h2>\u80cc\u666f<\/h2>\n<p>\u968f\u7740\u65f6\u95f4\u548c\u4e1a\u52a1\u7684\u53d1\u5c55\uff0c\u6570\u636e\u5e93\u4e2d\u7684\u6570\u636e\u91cf\u589e\u957f\u662f\u4e0d\u53ef\u63a7\u7684\uff0c\u5e93\u548c\u8868\u4e2d\u7684\u6570\u636e\u4f1a\u8d8a\u6765\u8d8a\u5927\uff0c\u968f\u4e4b\u5e26\u6765\u7684\u662f\u66f4\u9ad8\u7684\u78c1\u76d8\u3001IO\u3001\u7cfb\u7edf\u5f00\u9500\uff0c\u751a\u81f3\u6027\u80fd\u4e0a\u7684\u74f6\u9888\uff0c\u800c\u4e00\u53f0\u670d\u52a1\u7684\u8d44\u6e90\u7ec8\u7a76\u662f\u6709\u9650\u7684\uff0c\u56e0\u6b64\u9700\u8981\u5bf9\u6570\u636e\u5e93\u548c\u8868\u8fdb\u884c\u62c6\u5206\uff0c\u4ece\u800c\u66f4\u597d\u7684\u63d0\u4f9b\u6570\u636e\u670d\u52a1\u3002<\/p>\n<p>\u5f53\u7528\u6237\u8868\u8fbe\u5230\u5343\u4e07\u7ea7\u522b\uff0c\u5728\u505a\u5f88\u591a\u64cd\u4f5c\u7684\u65f6\u5019\u90fd\u4f1a\u5f88\u5403\u529b\uff0c\u6240\u4ee5\u5f53\u6570\u636e\u589e\u957f\u5230 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ID \u505a\u5206\u7ec4\uff0c\u8fd9\u6837\u6240\u6709\u7684\u6570\u636e\u67e5\u8be2 join \u90fd\u4f1a\u5728\u5355\u5e93\u5185\u89e3\u51b3\uff1b\u5982\u679c\u4ece\u5546\u6237\u7684\u89d2\u5ea6\u6765\u8bb2\uff0c\u8981\u67e5\u8be2\u67d0\u4e2a\u5546\u5bb6\u67d0\u5929\u6240\u6709\u7684\u8ba2\u5355\u6570\uff0c\u5c31\u9700\u8981\u6309\u7167\u5546\u6237 ID \u505a\u62c6\u5206\uff1b\u4f46\u662f\u5982\u679c\u7cfb\u7edf\u65e2\u60f3\u6309\u4f1a\u5458\u62c6\u5206\uff0c\u53c8\u60f3\u6309\u5546\u5bb6\u6570\u636e\uff0c\u5219\u4f1a\u6709\u4e00\u5b9a\u7684\u56f0\u96be\u3002\u5982\u4f55\u627e\u5230\u5408\u9002\u7684\u5206\u7247\u89c4\u5219\u9700\u8981\u7efc\u5408\u8003\u8651\u8861\u3002<\/p>\n<p>\u5207\u5206\u539f\u5219\u90fd\u662f\u6839\u636e\u4e1a\u52a1\u627e\u5230\u9002\u5408\u7684\u5207\u5206\u89c4\u5219\u5206\u6563\u5230\u4e0d\u540c\u7684\u5e93\uff0c\u51e0\u79cd\u5178\u578b\u7684\u5206\u7247\u89c4\u5219\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u6309\u7167\u7528\u6237 ID \u6c42\u6a21\uff0c\u5c06\u6570\u636e\u5206\u6563\u5230\u4e0d\u540c\u7684\u6570\u636e\u5e93\uff0c\u5177\u6709\u76f8\u540c\u6570\u636e\u7528\u6237\u7684\u6570\u636e\u90fd\u88ab\u5206\u6563\u5230\u4e00\u4e2a\u5e93\u4e2d<\/li>\n<li>\u6309\u7167\u65e5\u671f\uff0c\u5c06\u4e0d\u540c\u6708\u751a\u81f3\u65e5\u7684\u6570\u636e\u5206\u6563\u5230\u4e0d\u540c\u7684\u5e93\u4e2d<\/li>\n<li>\u6309\u7167\u67d0\u4e2a\u7279\u5b9a\u7684\u5b57\u6bb5\u6c42\u6478\uff0c\u6216\u8005\u6839\u636e\u7279\u5b9a\u8303\u56f4\u6bb5\u5206\u6563\u5230\u4e0d\u540c\u7684\u5e93\u4e2d<\/li>\n<\/ul>\n<p>\u65e2\u7136\u6570\u636e\u505a\u4e86\u62c6\u5206\u6709\u4f18\u70b9\u4e5f\u5c31\u4f18\u7f3a\u70b9\uff1a<\/p>\n<p>\uff081\uff09\u4f18\u70b9<\/p>\n<ul>\n<li>\u62c6\u5206\u89c4\u5219\u62bd\u8c61\u597d\uff0cjoin \u64cd\u4f5c\u57fa\u672c\u53ef\u4ee5\u6570\u636e\u5e93\u505a<\/li>\n<li>\u4e0d\u5b58\u5728\u5355\u5e93\u5927\u6570\u636e\uff0c\u9ad8\u5e76\u53d1\u7684\u6027\u80fd\u74f6\u9888<\/li>\n<li>\u5e94\u7528\u7aef\u6539\u9020\u8f83\u5c11<\/li>\n<li>\u63d0\u9ad8\u4e86\u7cfb\u7edf\u7684\u7a33\u5b9a\u6027\u8ddf\u8d1f\u8f7d\u80fd\u529b<\/li>\n<\/ul>\n<p>\uff082\uff09\u7f3a\u70b9<\/p>\n<ul>\n<li>\u62c6\u5206\u89c4\u5219\u96be\u4ee5\u62bd\u8c61<\/li>\n<li>\u5206\u7247\u4e8b\u52a1\u4e00\u81f4\u6027\u96be\u4ee5\u89e3\u51b3<\/li>\n<li>\u6570\u636e\u591a\u6b21\u6269\u5c55\u96be\u5ea6\u8ddf\u7ef4\u62a4\u91cf\u6781\u5927<\/li>\n<li>\u8de8\u5e93 join \u6027\u80fd\u8f83\u5dee<\/li>\n<\/ul>\n<h2>\u4ec0\u4e48\u662fMyCat<\/h2>\n<p>MyCat\u662f\u4e00\u4e2a\u5f00\u6e90\u7684\u5206\u5e03\u5f0f\u6570\u636e\u5e93\u7cfb\u7edf\uff0c\u662f\u4e00\u4e2a\u5b9e\u73b0\u4e86 MySQL \u534f\u8bae\u7684\u7684 Server\uff0c\u524d\u7aef\u7528\u6237\u53ef\u4ee5\u628a\u5b83\u770b\u4f5c\u662f\u4e00\u4e2a\u6570\u636e\u5e93\u4ee3\u7406\uff0c\u7528 MySQL \u5ba2\u6237\u7aef\u5de5\u5177\u548c\u547d\u4ee4\u884c\u8bbf\u95ee\uff0c\u800c\u5176\u540e\u7aef\u53ef\u4ee5\u7528 MySQL \u539f\u751f\uff08Native\uff09\u534f\u8bae\u4e0e\u591a\u4e2a MySQL \u670d\u52a1\u5668\u901a\u4fe1\uff0c\u4e5f\u53ef\u4ee5\u7528 JDBC \u534f\u8bae\u4e0e\u5927\u591a\u6570\u4e3b\u6d41\u6570\u636e\u5e93\u670d\u52a1\u5668\u901a\u4fe1\uff0c\u5176\u6838\u5fc3\u529f\u80fd\u662f\u5206\u8868\u5206\u5e93\uff0c\u5373\u5c06\u4e00\u4e2a\u5927\u8868\u6c34\u5e73\u5206\u5272\u4e3a N \u4e2a\u5c0f\u8868\uff0c\u5b58\u50a8\u5728\u540e\u7aef MySQL \u670d\u52a1\u5668\u91cc\u6216\u8005\u5176\u4ed6\u6570\u636e\u5e93\u91cc\u3002<\/p>\n<p>\u5e38\u89c1\u5e94\u7528\u573a\u666f\uff1a<\/p>\n<ul>\n<li>\u5355\u7eaf\u7684\u8bfb\u5199\u5206\u79bb\uff0c\u6b64\u65f6\u914d\u7f6e\u6700\u4e3a\u7b80\u5355\uff0c\u652f\u6301\u8bfb\u5199\u5206\u79bb\uff0c\u4e3b\u4ece\u5207\u6362<\/li>\n<li>\u5206\u8868\u5206\u5e93\uff0c\u5bf9\u4e8e\u8d85\u8fc7 1000 \u4e07\u7684\u8868\u8fdb\u884c\u5206\u7247\uff0c\u6700\u5927\u652f\u6301 1000 \u4ebf\u7684\u5355\u8868\u5206\u7247<\/li>\n<li>\u591a\u79df\u6237\u5e94\u7528\uff0c\u6bcf\u4e2a\u5e94\u7528\u4e00\u4e2a\u5e93\uff0c\u4f46\u5e94\u7528\u7a0b\u5e8f\u53ea\u8fde\u63a5 Mycat\uff0c\u4ece\u800c\u4e0d\u6539\u9020\u7a0b\u5e8f\u672c\u8eab\uff0c\u5b9e\u73b0\u591a\u79df\u6237\u5316<\/li>\n<li>\u62a5\u8868\u7cfb\u7edf\uff0c\u501f\u52a9\u4e8e MyCat \u7684\u5206\u8868\u80fd\u529b\uff0c\u5904\u7406\u5927\u89c4\u6a21\u62a5\u8868\u7684\u7edf\u8ba1<\/li>\n<li>\u66ff\u4ee3 Hbase\uff0c\u5206\u6790\u5927\u6570\u636e<\/li>\n<\/ul>\n<p>\u4f5c\u4e3a\u6d77\u91cf\u6570\u636e\u5b9e\u65f6\u67e5\u8be2\u7684\u4e00\u79cd\u7b80\u5355\u6709\u6548\u65b9\u6848\uff0c\u6bd4\u5982 100 \u4ebf\u6761\u9891\u7e41\u67e5\u8be2\u7684\u8bb0\u5f55\u9700\u8981\u5728 3 \u79d2\u5185\u67e5\u8be2\u51fa\u6765\u7ed3\u679c\uff0c\u9664\u4e86\u57fa\u4e8e\u4e3b\u952e\u7684\u67e5\u8be2\uff0c\u8fd8\u53ef\u80fd\u5b58\u5728\u8303\u56f4\u67e5\u8be2\u6216\u5176\u4ed6\u5c5e\u6027\u67e5\u8be2\uff0c\u6b64\u65f6 MyCat \u53ef\u80fd\u662f\u6700\u7b80\u5355\u6709\u6548\u7684\u9009\u62e9\u3002<\/p>\n<h2>SpringBoot+MyCat+MySQL \u5b9e\u73b0\u5206\u8868\u5206\u5e93\u6848\u4f8b<\/h2>\n<p>\u5173\u4e8e\u5206\u5e93\u5206\u8868\uff0cMyCat \u5df2\u7ecf\u5e2e\u6211\u4eec\u5728\u5185\u90e8\u5b9e\u73b0\u4e86\u8def\u7531\u7684\u529f\u80fd\uff0c\u6211\u4eec\u53ea\u9700\u8981\u5728 MyCat \u4e2d\u914d\u7f6e\u4e00\u4e0b\u5207\u5206\u89c4\u5219\u5373\u53ef\uff0c\u5bf9\u4e8e\u5f00\u53d1\u8005\u6765\u8bf4\uff0c\u6211\u4eec\u5c31\u53ef\u4ee5\u628a MyCat \u770b\u505a\u662f\u4e00\u4e2a\u6570\u636e\u5e93\uff0c\u63a5\u4e0b\u6765\u6211\u4eec\u5f00\u59cb\u642d\u5efa\u73af\u5883:<\/p>\n<p>\uff081\uff09MyCat \u662f\u4f7f\u7528 Java \u5199\u7684\u6570\u636e\u5e93\u4e2d\u95f4\u4ef6\uff0c\u6240\u4ee5\u8981\u8fd0\u884c MyCat \u524d\u8981\u51c6\u5907\u8981 JDK \u7684\u73af\u5883\uff0c\u8981\u6c42\u662f JDK1.7 \u4ee5\u4e0a\u7684\u73af\u5883\u3002\u6240\u4ee5\u9700\u8981\u5728\u7cfb\u7edf\u4e2d\u914d\u7f6e JAVA_HOME \u7684\u73af\u5883\u53d8\u91cf<\/p>\n<p>\uff082\uff09\u4ece\u5b98\u7f51\u4e0b\u8f7d MyCat\uff0c<a target=\"_blank\" rel=\"noopener\" href=\"http:\/\/dl.mycat.org.cn\/\">http:\/\/dl.mycat.org.cn\/<\/a> \u6211\u4eec\u662f\u57fa\u4e8e CentOS 7 \u6765\u642d\u5efa Mycat \u73af\u5883\u7684\uff0c\u6240\u4ee5\u4e0b\u8f7d\u7248\u672c\uff1aMycat-server-1.6.7.6-release-20201126013625-linux.tar.gz<\/p>\n<p>\uff083\uff09\u5c06\u4e0b\u8f7d\u597d\u7684\u5b89\u88c5\u5305\u4e0a\u4f20\u5230\u670d\u52a1\u5668\u4e0a\u5e76\u89e3\u538b. \u89e3\u538b\u4e4b\u540e\u76ee\u5f55\u7ed3\u6784\u5982\u4e0b\uff1a<\/p>\n<pre><code>bin  catlet  conf  lib  logs  version.txt<\/code><\/pre>\n<p>\uff084\uff09\u914d\u7f6e\u5207\u5206\u89c4\u5219<\/p>\n<p>\u5c06\u5982\u4e0b\u914d\u7f6e\u590d\u5236\u7c98\u8d34\u8986\u76d6<code>mycat\/conf\/schema.xml<\/code>\u7684\u5185\u5bb9<\/p>\n<pre><code class=\"language-xml\">&lt;?xml version=&quot;1.0&quot;?&gt;\n&lt;!DOCTYPE mycat:schema SYSTEM &quot;schema.dtd&quot;&gt;\n&lt;mycat:schema xmlns:mycat=&quot;http:\/\/io.mycat\/&quot;&gt;\n\n   &lt;schema name=&quot;TESTDB&quot; checkSQLschema=&quot;false&quot; sqlMaxLimit=&quot;100&quot;&gt;\n        &lt;!-- auto sharding by id (long) --&gt;\n        &lt;table name=&quot;item&quot; dataNode=&quot;dn01,dn02&quot; rule=&quot;rule1&quot; \/&gt;\n    &lt;\/schema&gt;\n\n   &lt;!-- \u8bbe\u7f6edataNode \u5bf9\u5e94\u7684\u6570\u636e\u5e93\uff0c\u53ca MyCat \u8fde\u63a5\u7684\u5730\u5740dataHost --&gt;\n   &lt;dataNode name=&quot;dn01&quot; dataHost=&quot;localhost1&quot; database=&quot;db01&quot; \/&gt;\n   &lt;dataNode name=&quot;dn02&quot; dataHost=&quot;localhost1&quot; database=&quot;db02&quot; \/&gt;\n\n   &lt;!-- mycat \u903b\u8f91\u4e3b\u673adataHost\u5bf9\u5e94\u7684\u7269\u7406\u4e3b\u673a\uff0c\u5176\u4e2d\u4e5f\u8bbe\u7f6e\u5bf9\u5e94\u7684mysql\u767b\u9646\u4fe1\u606f --&gt;\n   &lt;dataHost name=&quot;localhost1&quot; maxCon=&quot;1000&quot; minCon=&quot;10&quot; balance=&quot;0&quot;\n              writeType=&quot;0&quot; dbType=&quot;mysql&quot; dbDriver=&quot;native&quot; switchType=&quot;1&quot;\n              slaveThreshold=&quot;100&quot;&gt;\n        &lt;heartbeat&gt;select user()&lt;\/heartbeat&gt;\n        &lt;writeHost host=&quot;hostM1&quot; url=&quot;127.0.0.1:3306&quot; user=&quot;root&quot; password=&quot;root&quot; &gt;&lt;\/writeHost&gt;\n    &lt;\/dataHost&gt;\n&lt;\/mycat:schema&gt;<\/code><\/pre>\n<ul>\n<li><code>&lt;schema&gt;<\/code>: \u8868\u793a\u7684\u662f\u5728 MyCat \u4e2d\u7684\u903b\u8f91\u5e93\u914d\u7f6e\uff0c\u903b\u8f91\u5e93\u540d\u79f0\u4e3a: TESTDB<\/li>\n<li><code>&lt;table&gt;<\/code>: \u8868\u793a\u5728 MyCat \u4e2d\u7684\u903b\u8f91\u8868\u914d\u7f6e\uff0c\u903b\u8f91\u8868\u540d\u79f0\u4e3a: user\uff0c\u6620\u5c04\u5230\u4e24\u4e2a\u6570\u636e\u5e93\u8282\u70b9dataNode\u4e2d\uff0c\u5207\u5206\u89c4\u5219\u4e3a: rule1(\u5728 rule.xml \u914d\u7f6e)<\/li>\n<li><code>&lt;dataNode&gt;<\/code>: \u8868\u793a\u6570\u636e\u5e93\u8282\u70b9\uff0c\u8fd9\u4e2a\u8282\u70b9\u4e0d\u4e00\u5b9a\u662f\u5355\u8282\u70b9\uff0c\u53ef\u4ee5\u914d\u7f6e\u6210\u8bfb\u5199\u5206\u79bb<\/li>\n<li><code>&lt;dataHost&gt;<\/code>: \u771f\u5b9e\u7684\u6570\u636e\u5e93\u7684\u5730\u5740\u914d\u7f6e<\/li>\n<li><code>&lt;heartbeat&gt;<\/code>: \u7528\u6237\u5fc3\u8df3\u68c0\u6d4b<\/li>\n<li><code>&lt;writeHost&gt;<\/code>: \u5199\u5e93\u7684\u914d\u7f6e<\/li>\n<\/ul>\n<p>\u5c06\u5982\u4e0b\u914d\u7f6e\u590d\u5236\u7c98\u8d34\u8986\u76d6<code>mycat\/conf\/rule.xml<\/code>\u7684\u5185\u5bb9<\/p>\n<pre><code class=\"language-xml\">&lt;?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot;?&gt;\n&lt;!DOCTYPE mycat:rule SYSTEM &quot;rule.dtd&quot;&gt;\n&lt;mycat:rule xmlns:mycat=&quot;http:\/\/io.mycat\/&quot;&gt;\n    &lt;tableRule name=&quot;rule1&quot;&gt;\n        &lt;rule&gt;\n            &lt;columns&gt;id&lt;\/columns&gt;\n            &lt;algorithm&gt;mod-long&lt;\/algorithm&gt;\n        &lt;\/rule&gt;\n    &lt;\/tableRule&gt;\n    &lt;function name=&quot;mod-long&quot; class=&quot;io.mycat.route.function.PartitionByMod&quot;&gt;\n        &lt;!-- how many data nodes --&gt;\n        &lt;property name=&quot;count&quot;&gt;2&lt;\/property&gt;\n    &lt;\/function&gt;\n&lt;\/mycat:rule&gt;<\/code><\/pre>\n<p>\u8fd9\u91cc\u5b9a\u4e49\u7684\u662f\u5207\u5206\u89c4\u5219\uff0c\u662f\u6309\u7167id\u5217\u8fdb\u884c\u5207\u5206\uff0c\u5207\u5206\u89c4\u5219\u662f\u91c7\u53d6\u53d6\u6a21\u7684\u65b9\u5f0f<\/p>\n<p><code>&lt;property &gt;2&lt;\/property&gt;<\/code>: \u8fd9\u91cc\u914d\u7f6e\u4e86\u6211\u4eec\u6709\u62c6\u5206\u4e86\u591a\u4e2a\u5e93 (\u8868)\uff0c\u9700\u8981\u548c\u524d\u9762\u914d\u7f6e<code>&lt;table \/&gt;<\/code>\u4e2d\u7684<code>dataNode<\/code>\u4e2a\u6570\u4e00\u81f4\uff0c\u5426\u5219\u4f1a\u51fa\u9519<\/p>\n<p>\uff085\uff09\u5728\u6570\u636e\u5e93\u4e2d\u521b\u5efa\u4e24\u4e2a\u6570\u636e\u5e93 db01,db02<\/p>\n<p>\u6bcf\u4e2a\u5e93\u4e2d\u6267\u884c\u5982\u4e0b\u5efa\u8868\u8bed\u53e5:<\/p>\n<pre><code class=\"language-sql\">DROP TABLE IF EXISTS `user`;\nCREATE TABLE `user` (\n  `id` bigint(20) NOT NULL,\n  `name` varchar(255) DEFAULT NULL,\n  PRIMARY KEY (`id`)\n) ENGINE=InnoDB DEFAULT CHARSET=utf8;<\/code><\/pre>\n<p>\uff086\uff09\u542f\u52a8 MyCat\uff0c\u6267\u884c<code>mycat\/bin\/startup_nowrap.sh<\/code><\/p>\n<p>\uff087\uff09\u642d\u5efa Spring Boot \u9879\u76ee\uff0c\u6267\u884c\u63d2\u5165\u8bed\u53e5<\/p>\n<p><code>application.properties<\/code>\u914d\u7f6e\u5982\u4e0b\uff1a<\/p>\n<pre><code class=\"language-xml\">#\u914d\u7f6e\u6570\u636e\u6e90\nspring.datasource.druid.driver-class-name=com.mysql.jdbc.Driver\n#\u8fd9\u91cc\u914d\u7f6e\u7684\u662fMycat\u4e2dserver.xml\u4e2d\u914d\u7f6e\u8d26\u53f7\u5bc6\u7801\uff0c\u4e0d\u662f\u6570\u636e\u5e93\u7684\u5bc6\u7801\u3002\nspring.datasource.druid.username=root\nspring.datasource.druid.password=123456\n#mycat\u7684\u903b\u8f91\u5e93 \u7aef\u53e3\u4e5f\u662fmycat\u7684\nspring.datasource.druid.url=jdbc:mysql:\/\/192.168.12.12:8066\/TESTDB<\/code><\/pre>\n<p><code>UserMapper.java<\/code>\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n<pre><code class=\"language-java\">@Mapper\npublic interface UserMapper {\n    @Insert(&quot;insert into user(id,name) value (#{id},#{name})&quot;)\n    int insert(User user);\n\n    @Select(&quot;select * from user&quot;)\n    List&lt;User&gt; selectAll();\n}<\/code><\/pre>\n<p><code>UserController.java<\/code>\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n<pre><code class=\"language-java\">@RestController\n@RequestMapping(&quot;\/user&quot;)\npublic class UserController {\n    @Autowired\n    private UserMapper userMapper;\n\n    @RequestMapping(&quot;\/save&quot;)\n    public String save(User user){\n        userMapper.insert(user);\n        return &quot;\u4fdd\u5b58\u6210\u529f&quot;;\n    }\n\n    @RequestMapping(&quot;\/list&quot;)\n    public List&lt;User&gt; list(){\n        return userMapper.selectAll();\n    }\n}<\/code><\/pre>\n<p>\uff088\uff09\u6d4b\u8bd5<\/p>\n<p>\u5728\u5730\u5740\u680f\u8f93\u5165\uff1a<\/p>\n<pre><code>http:\/\/localhost:8080\/user\/save?id=1&amp;name=joe\nhttp:\/\/localhost:8080\/user\/save?id=2&amp;name=tom<\/code><\/pre>\n<p>\u67e5\u770b\u6570\u636e\u5e93\u53d1\u73b0\uff1a<\/p>\n<ul>\n<li>id \u4e3a 1 \u7684\u6570\u636e\u63d2\u5165\u5230\u6570\u636e\u5e93 db02 \u4e2d\u7684 user \u8868<\/li>\n<li>id \u4e3a 2 \u7684\u6570\u636e\u63d2\u5165\u5230\u6570\u636e\u5e93 db01 \u4e2d\u7684 user \u8868<\/li>\n<\/ul>\n<p>\u5728\u5730\u5740\u680f\u8f93\u5165\uff1a<a target=\"_blank\" rel=\"noopener\" href=\"http:\/\/localhost:8080\/user\/list\">http:\/\/localhost:8080\/user\/list<\/a><\/p>\n<p>\u662f\u53ef\u4ee5\u770b\u5230\u521a\u521a\u63d2\u5165\u7684\u4e24\u6761\u8bb0\u5f55<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u80cc\u666f \u968f\u7740\u65f6\u95f4\u548c\u4e1a\u52a1\u7684\u53d1\u5c55\uff0c\u6570\u636e\u5e93\u4e2d\u7684\u6570\u636e\u91cf\u589e\u957f\u662f\u4e0d\u53ef\u63a7\u7684\uff0c\u5e93\u548c\u8868\u4e2d\u7684\u6570\u636e\u4f1a\u8d8a\u6765\u8d8a\u5927\uff0c\u968f\u4e4b\u5e26\u6765\u7684\u662f\u66f4\u9ad8\u7684\u78c1\u76d8\u3001 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[41,8],"tags":[297],"class_list":["post-1956","post","type-post","status-publish","format-standard","hentry","category-spring-boot","category-database","tag-mycat"],"_links":{"self":[{"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/posts\/1956","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/comments?post=1956"}],"version-history":[{"count":0,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/posts\/1956\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/media?parent=1956"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/categories?post=1956"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/tags?post=1956"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}