feat: 分库分表

src/main/resources/application.yml

@@ -1,34 +1,48 @@
 spring:
   application:
     name: springboot-init
-  # DataSource Config
-  datasource:
-    driver-class-name: com.mysql.cj.jdbc.Driver
-    url: jdbc:mysql://localhost:3306/my_db
-    username: root
-    password: 123456
-  mvc:
-    pathmatch:
-      matching-strategy: ANT_PATH_MATCHER
-  # session 失效时间（分钟）
-  session:
-    timeout: 86400
-    store-type: redis
-  # redis 配置
-  redis:
-    port: 6379
-    host: localhost
-    database: 0
+  # ShardingSphere 配置项
+  shardingsphere:
+    datasource:
+      # 所有数据源的名字
+      names: db0,db1
+      # 订单 orders 数据源配置 00
+      # 订单 orders 数据源配置 01
+      db0:
+        type: com.zaxxer.hikari.HikariDataSource # 使用 Hikari 数据库连接池
+        driver-class-name: com.mysql.jdbc.Driver
+        jdbc-url: jdbc:mysql://120.26.194.135:3306/db0?useSSL=false&useUnicode=true&characterEncoding=UTF-8
+        username: db0
+        password: xyy
+      db1:
+        type: com.zaxxer.hikari.HikariDataSource # 使用 Hikari 数据库连接池
+        driver-class-name: com.mysql.jdbc.Driver
+        jdbc-url: jdbc:mysql://120.26.194.135:3306/db1?useSSL=false&useUnicode=true&characterEncoding=UTF-8
+        username: db1
+        password: xyy
+
+    # 分片规则
+    sharding:
+      tables:
+        # orders 表配置
+        orders:
+          actualDataNodes: db${0..1}.orders_${0..7}  # 映射到 ds-orders-0 和 ds-orders-1 数据源的 orders 表们
+          databaseStrategy:
+            inline:
+              sharding-column: user_id
+              algorithm-expression: db${user_id % 2}
+          tableStrategy:
+            inline:
+              sharding-column: user_id
+              algorithm-expression: orders_${user_id % 8}
+    # 拓展属性配置
+    props:
+      sql:
+        show: true # 打印 SQL
 server:
   port: 7529
   servlet:
     context-path: /api
-mybatis-plus:
-  configuration:
-    map-underscore-to-camel-case: false
-    log-impl: org.apache.ibatis.logging.stdout.StdOutImpl
-  global-config:
-    db-config:
-      logic-delete-field: isDelete # 全局逻辑删除的实体字段名(since 3.3.0,配置后可以忽略不配置步骤2)
-      logic-delete-value: 1 # 逻辑已删除值(默认为 1)
-      logic-not-delete-value: 0 # 逻辑未删除值(默认为 0)
+mybatis:
+  mapper-locations: classpath*:src/main/resources/mapper/*.xml
+  type-aliases-package: com.yupi.project.model.entity

src/main/resources/banner.txt

@@ -1 +0,0 @@
-我的项目 by 程序员鱼皮 https://github.com/liyupi

src/main/resources/mapper/UserMapper.xml

@@ -1,30 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE mapper
-        PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
-        "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
-<mapper namespace="com.yupi.project.mapper.UserMapper">
-
-    <resultMap id="BaseResultMap" type="com.yupi.project.model.entity.User">
-        <id property="id" column="id" jdbcType="BIGINT"/>
-        <result property="username" column="username" jdbcType="VARCHAR"/>
-        <result property="userAccount" column="userAccount" jdbcType="VARCHAR"/>
-        <result property="avatarUrl" column="avatarUrl" jdbcType="VARCHAR"/>
-        <result property="gender" column="gender" jdbcType="TINYINT"/>
-        <result property="userPassword" column="userPassword" jdbcType="VARCHAR"/>
-        <result property="phone" column="phone" jdbcType="VARCHAR"/>
-        <result property="email" column="email" jdbcType="VARCHAR"/>
-        <result property="userStatus" column="userStatus" jdbcType="INTEGER"/>
-        <result property="createTime" column="createTime" jdbcType="TIMESTAMP"/>
-        <result property="updateTime" column="updateTime" jdbcType="TIMESTAMP"/>
-        <result property="isDelete" column="isDelete" jdbcType="TINYINT"/>
-        <result property="userRole" column="userRole" jdbcType="INTEGER"/>
-    </resultMap>
-
-    <sql id="Base_Column_List">
-        id,username,userAccount,
-        avatarUrl,gender,userPassword,
-        phone,email,userStatus,
-        createTime,updateTime,isDelete,
-        userRole
-    </sql>
-</mapper>