SpringBoot 2.2.1+ MyBatisPlus + Sharding-JDBC + Druid 连接池
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.2.1.RELEASE</version>
<relativePath/> <!-- lookup parent from repository -->
</parent>
<groupId>com.atguigu</groupId>
<artifactId>shardingjdbcdemo</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>shardingjdbcdemo</name>
<description>Demo project for Spring Boot</description>
<properties>
<java.version>1.8</java.version>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
</dependency>
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>druid-spring-boot-starter</artifactId>
<version>1.1.20</version>
</dependency>
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
</dependency>
<dependency>
<groupId>org.apache.shardingsphere</groupId>
<artifactId>sharding-jdbc-spring-boot-starter</artifactId>
<version>4.0.0-RC1</version>
</dependency>
<dependency>
<groupId>com.baomidou</groupId>
<artifactId>mybatis-plus-boot-starter</artifactId>
<version>3.0.5</version>
</dependency>
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>
</project>
CREATE TABLE `course_1` (
`cid` bigint(20) NOT NULL,
`cname` varchar(50) NOT NULL,
`user_id` bigint(20) NOT NULL,
`cstatus` varchar(10) NOT NULL,
PRIMARY KEY (`cid`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8;
CREATE TABLE `course_2` (
`cid` bigint(20) NOT NULL,
`cname` varchar(50) NOT NULL,
`user_id` bigint(20) NOT NULL,
`cstatus` varchar(10) NOT NULL,
PRIMARY KEY (`cid`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8;
如果添加课程 id 是偶数把数据添加 course_1,如果奇数添加到 course_2
@Data
public class Course {
private Long cid;
private String cname;
private Long userId;
private String cstatus;
}
@Repository
public interface CourseMapper extends BaseMapper<Course> {
}
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原文链接 : https://blog.csdn.net/chengqiuming/article/details/121179134
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