{"id":135089,"date":"2024-10-31T07:40:38","date_gmt":"2024-10-30T23:40:38","guid":{"rendered":"https:\/\/server.hk\/cnblog\/135089\/"},"modified":"2024-10-31T07:40:39","modified_gmt":"2024-10-30T23:40:39","slug":"spring-boot%e3%80%81druid%e3%80%81mybatis-plus%e5%92%8csharding-jdbc%e5%88%86%e8%a1%a8%e6%8a%80%e8%a1%93%e8%a9%b3%e8%a7%a3","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/135089\/","title":{"rendered":"Spring Boot\u3001Druid\u3001MyBatis Plus\u548cSharding JDBC\u5206\u8868\u6280\u8853\u8a73\u89e3"},"content":{"rendered":"<h1 id=\"spring-boot%e3%80%81druid%e3%80%81mybatis-plus%e5%92%8csharding-jdbc%e5%88%86%e8%a1%a8%e6%8a%80%e8%a1%93%e8%a9%b3%e8%a7%a3-eToJZNCDbT\">Spring Boot\u3001Druid\u3001MyBatis Plus\u548cSharding JDBC\u5206\u8868\u6280\u8853\u8a73\u89e3<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u8edf\u9ad4\u958b\u767c\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u6027\u80fd\u548c\u53ef\u64f4\u5c55\u6027\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002\u96a8\u8457\u61c9\u7528\u7a0b\u5e8f\u7684\u589e\u9577\uff0c\u6578\u64da\u91cf\u7684\u589e\u52a0\uff0c\u5982\u4f55\u6709\u6548\u5730\u7ba1\u7406\u548c\u67e5\u8a62\u6578\u64da\u6210\u70ba\u4e86\u958b\u767c\u8005\u9762\u81e8\u7684\u4e00\u5927\u6311\u6230\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0eSpring Boot\u3001Druid\u3001MyBatis Plus\u548cSharding JDBC\u9019\u5e7e\u500b\u6280\u8853\uff0c\u4e26\u4ecb\u7d39\u5b83\u5011\u5728\u5206\u8868\u6280\u8853\u4e2d\u7684\u61c9\u7528\u3002<\/p>\n<h2 id=\"spring-boot%e7%b0%a1%e4%bb%8b-eToJZNCDbT\">Spring Boot\u7c21\u4ecb<\/h2>\n<p>Spring Boot\u662f\u4e00\u500b\u57fa\u65bcSpring\u6846\u67b6\u7684\u958b\u6e90Java\u6846\u67b6\uff0c\u65e8\u5728\u7c21\u5316Spring\u61c9\u7528\u7a0b\u5e8f\u7684\u958b\u767c\u904e\u7a0b\u3002\u5b83\u63d0\u4f9b\u4e86\u8a31\u591a\u81ea\u52d5\u914d\u7f6e\u7684\u529f\u80fd\uff0c\u8b93\u958b\u767c\u8005\u80fd\u5920\u5feb\u901f\u69cb\u5efa\u7368\u7acb\u7684\u3001\u7522\u54c1\u7d1a\u7684Spring\u61c9\u7528\u7a0b\u5e8f\u3002Spring Boot\u7684\u512a\u52e2\u5728\u65bc\u5176\u7c21\u5316\u7684\u914d\u7f6e\u548c\u5f37\u5927\u7684\u751f\u614b\u7cfb\u7d71\uff0c\u652f\u6301\u591a\u7a2e\u6578\u64da\u5eab\u548c\u6301\u4e45\u5316\u6280\u8853\u3002<\/p>\n<h2 id=\"druid%e6%95%b8%e6%93%9a%e6%ba%90-eToJZNCDbT\">Druid\u6578\u64da\u6e90<\/h2>\n<p>Druid\u662f\u4e00\u500b\u9ad8\u6027\u80fd\u7684Java\u6578\u64da\u5eab\u9023\u63a5\u6c60\uff0c\u63d0\u4f9b\u4e86\u76e3\u63a7\u3001\u64f4\u5c55\u548c\u6027\u80fd\u512a\u5316\u7684\u529f\u80fd\u3002\u5b83\u7684\u4e3b\u8981\u7279\u9ede\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u9ad8\u6548\u7684\u9023\u63a5\u7ba1\u7406\uff1aDruid\u80fd\u5920\u6709\u6548\u5730\u7ba1\u7406\u6578\u64da\u5eab\u9023\u63a5\uff0c\u6e1b\u5c11\u8cc7\u6e90\u7684\u6d6a\u8cbb\u3002<\/li>\n<li>\u76e3\u63a7\u529f\u80fd\uff1aDruid\u63d0\u4f9b\u4e86\u8a73\u7d30\u7684\u76e3\u63a7\u5831\u544a\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u53ca\u6642\u767c\u73fe\u6027\u80fd\u74f6\u9838\u3002<\/li>\n<li>SQL\u57f7\u884c\u5206\u6790\uff1aDruid\u80fd\u5920\u5206\u6790SQL\u57f7\u884c\u7684\u6027\u80fd\uff0c\u63d0\u4f9b\u512a\u5316\u5efa\u8b70\u3002<\/li>\n<\/ul>\n<p>\u5728Spring Boot\u4e2d\u96c6\u6210Druid\u975e\u5e38\u7c21\u55ae\uff0c\u53ea\u9700\u5728\u914d\u7f6e\u6587\u4ef6\u4e2d\u6dfb\u52a0\u76f8\u61c9\u7684\u6578\u64da\u6e90\u914d\u7f6e\u5373\u53ef\u3002<\/p>\n<h3 id=\"%e7%a4%ba%e4%be%8b%e9%85%8d%e7%bd%ae-eToJZNCDbT\">\u793a\u4f8b\u914d\u7f6e<\/h3>\n<pre><code>spring:\n  datasource:\n    type: com.alibaba.druid.pool.DruidDataSource\n    driver-class-name: com.mysql.cj.jdbc.Driver\n    url: jdbc:mysql:\/\/localhost:3306\/mydb\n    username: root\n    password: password\n    druid:\n      initial-size: 5\n      min-idle: 5\n      max-active: 20\n      max-wait: 60000\n      validation-query: SELECT 1\n<\/code><\/pre>\n<h2 id=\"mybatis-plus%e7%b0%a1%e4%bb%8b-eToJZNCDbT\">MyBatis Plus\u7c21\u4ecb<\/h2>\n<p>MyBatis Plus\u662fMyBatis\u7684\u589e\u5f37\u5de5\u5177\uff0c\u65e8\u5728\u7c21\u5316MyBatis\u7684\u4f7f\u7528\u3002\u5b83\u63d0\u4f9b\u4e86\u8a31\u591a\u4fbf\u6377\u7684\u529f\u80fd\uff0c\u5982\u81ea\u52d5\u751f\u6210SQL\u3001\u7c21\u5316CRUD\u64cd\u4f5c\u7b49\u3002MyBatis Plus\u7684\u512a\u52e2\u5728\u65bc\u5176\u9748\u6d3b\u6027\u548c\u64f4\u5c55\u6027\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u6839\u64da\u9700\u6c42\u9032\u884c\u81ea\u5b9a\u7fa9\u64f4\u5c55\u3002<\/p>\n<h3 id=\"%e5%9f%ba%e6%9c%ac%e7%94%a8%e6%b3%95-eToJZNCDbT\">\u57fa\u672c\u7528\u6cd5<\/h3>\n<p>\u4f7f\u7528MyBatis Plus\u9032\u884c\u57fa\u672c\u7684CRUD\u64cd\u4f5c\u975e\u5e38\u7c21\u55ae\uff0c\u53ea\u9700\u5b9a\u7fa9\u5be6\u9ad4\u985e\u548cMapper\u63a5\u53e3\uff0c\u7136\u5f8c\u4f7f\u7528Service\u5c64\u9032\u884c\u8abf\u7528\u3002<\/p>\n<pre><code>import com.baomidou.mybatisplus.extension.service.IService;\n\npublic interface UserService extends IService {\n    \/\/ \u81ea\u5b9a\u7fa9\u65b9\u6cd5\n}\n<\/code><\/pre>\n<h2 id=\"sharding-jdbc%e5%88%86%e8%a1%a8%e6%8a%80%e8%a1%93-eToJZNCDbT\">Sharding JDBC\u5206\u8868\u6280\u8853<\/h2>\n<p>Sharding JDBC\u662f\u4e00\u500b\u958b\u6e90\u7684Java\u6846\u67b6\uff0c\u65e8\u5728\u89e3\u6c7a\u6578\u64da\u5eab\u7684\u5206\u7247\u548c\u5206\u8868\u554f\u984c\u3002\u5b83\u652f\u6301\u591a\u7a2e\u6578\u64da\u6e90\uff0c\u4e26\u80fd\u5920\u5728\u61c9\u7528\u5c64\u9032\u884c\u6578\u64da\u7684\u5206\u7247\u548c\u8def\u7531\u3002Sharding JDBC\u7684\u4e3b\u8981\u7279\u9ede\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u900f\u660e\u7684\u5206\u7247\uff1a\u958b\u767c\u8005\u7121\u9700\u95dc\u5fc3\u6578\u64da\u7684\u5206\u7247\u908f\u8f2f\uff0cSharding JDBC\u6703\u81ea\u52d5\u8655\u7406\u3002<\/li>\n<li>\u9748\u6d3b\u7684\u914d\u7f6e\uff1a\u652f\u6301\u591a\u7a2e\u5206\u7247\u7b56\u7565\uff0c\u5982\u7bc4\u570d\u5206\u7247\u3001\u54c8\u5e0c\u5206\u7247\u7b49\u3002<\/li>\n<li>\u9ad8\u53ef\u7528\u6027\uff1a\u652f\u6301\u6578\u64da\u5eab\u7684\u4e3b\u5f9e\u8907\u88fd\u548c\u6545\u969c\u8f49\u79fb\u3002<\/li>\n<\/ul>\n<h3 id=\"%e5%88%86%e8%a1%a8%e9%85%8d%e7%bd%ae%e7%a4%ba%e4%be%8b-eToJZNCDbT\">\u5206\u8868\u914d\u7f6e\u793a\u4f8b<\/h3>\n<pre><code>sharding:\n  tables:\n    user:\n      actualDataNodes: ds0.user_$-&gt;{0..1}\n      tableStrategy:\n        inline:\n          shardingColumn: user_id\n          algorithmExpression: user_$-&gt;{user_id % 2}\n<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-eToJZNCDbT\">\u7e3d\u7d50<\/h2>\n<p>\u7d9c\u4e0a\u6240\u8ff0\uff0cSpring Boot\u3001Druid\u3001MyBatis Plus\u548cSharding JDBC\u9019\u5e7e\u500b\u6280\u8853\u7684\u7d50\u5408\uff0c\u80fd\u5920\u6709\u6548\u5730\u63d0\u5347\u61c9\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u548c\u53ef\u64f4\u5c55\u6027\u3002\u901a\u904e\u4f7f\u7528\u9019\u4e9b\u6280\u8853\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u66f4\u8f15\u9b06\u5730\u7ba1\u7406\u6578\u64da\u5eab\u9023\u63a5\u3001\u7c21\u5316\u6578\u64da\u64cd\u4f5c\u4e26\u5be6\u73fe\u6578\u64da\u7684\u5206\u7247\u7ba1\u7406\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6027\u80fd\u548c\u9ad8\u53ef\u7528\u6027\u7684\u61c9\u7528\u7a0b\u5e8f\u4f86\u8aaa\uff0c\u9019\u4e9b\u6280\u8853\u7121\u7591\u662f\u503c\u5f97\u8003\u616e\u7684\u9078\u64c7\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u53ef\u9760\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK\u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u7684\u5ba2\u6236\u3002\u7121\u8ad6\u662f\u5c0f\u578b\u9805\u76ee\u9084\u662f\u5927\u578b\u4f01\u696d\u61c9\u7528\uff0c\u6211\u5011\u7684 <a href=\"https:\/\/server.hk\">\u4f3a\u670d\u5668<\/a> \u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6df1\u5165\u63a2\u8ba8Spring Boot\u3001Druid\u3001MyBatis Plus\u4e0eSharding JDBC\u7684\u5206\u8868\u6280\u672f\uff0c\u63d0\u5347\u6570\u636e\u5e93\u6027\u80fd\u4e0e\u7ba1\u7406\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-135089","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/135089","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=135089"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/135089\/revisions"}],"predecessor-version":[{"id":135090,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/135089\/revisions\/135090"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=135089"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=135089"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=135089"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}