Spring Boot + MyBatis + MySQL 实现读写分离

spring-boot-starter-test

test

org.springframework.boot

spring-boot-maven-plugin

3.2. 数据源配置

application.yml

spring:

datasource:

master:

jdbc-url: jdbc:mysql://192.168.102.31:3306/test

username: root

password: 123456

driver-class-name: com.mysql.jdbc.Driver

slave1:

jdbc-url: jdbc:mysql://192.168.102.56:3306/test

username: pig # 只读账户

password: 123456

driver-class-name: com.mysql.jdbc.Driver

slave2:

jdbc-url: jdbc:mysql://192.168.102.36:3306/test

username: pig # 只读账户

password: 123456

driver-class-name: com.mysql.jdbc.Driver

多数据源配置

package com.cjs.example.config;

import com.cjs.example.bean.MyRoutingDataSource;

import com.cjs.example.enums.DBTypeEnum;

import org.springframework.beans.factory.annotation.Qualifier;

import org.springframework.boot.context.properties.ConfigurationProperties;

import org.springframework.boot.jdbc.DataSourceBuilder;

import org.springframework.context.annotation.Bean;

import org.springframework.context.annotation.Configuration;

import javax.sql.DataSource;

import java.util.HashMap;

import java.util.Map;

/**

• 关于数据源配置，参考SpringBoot官方文档第79章《Data Access》

• 79. Data Access

• 79.1 Configure a Custom DataSource

• 79.2 Configure Two DataSources

*/

@Configuration

public class DataSourceConfig {

@Bean

@ConfigurationProperties(“spring.datasource.master”)

public DataSource masterDataSource() {

return DataSourceBuilder.create().build();

}

@Bean

@ConfigurationProperties(“spring.datasource.slave1”)

public DataSource slave1DataSource() {

return DataSourceBuilder.create().build();

}

@Bean

@ConfigurationProperties(“spring.datasource.slave2”)

public DataSource slave2DataSource() {

return DataSourceBuilder.create().build();

}

@Bean

public DataSource myRoutingDataSource(@Qualifier(“masterDataSource”) DataSource maste