tk-mybatis整合springBoot使用两个数据源的方法

#开发运行环境数据库
spring.datasource.local.url=jdbc:Mysql://0.0.0.0:3306/zhdd
spring.datasource.local.username=root
spring.datasource.local.passWord=
spring.datasource.local.driver-class-name=com.mysql.jdbc.Driver
spring.datasource.local.druid.initial-size=1
spring.datasource.local.druid.min-idle=1
spring.datasource.local.druid.max-active=20
spring.datasource.local.druid.test-on-borrow=true
spring.datasource.local.druid.stat-view-servlet.allow=true
 
#第三方对接通用数据库
spring.datasource.public.url=jdbc:mysql://0.0.0.0:3306/zhdd
spring.datasource.public.username=root
spring.datasource.public.password=
spring.datasource.public.driver-class-name=com.mysql.jdbc.Driver
spring.datasource.public.druid.initial-size=1
spring.datasource.public.druid.min-idle=1
spring.datasource.public.druid.max-active=20
spring.datasource.public.druid.test-on-borrow=true
spring.datasource.public.druid.stat-view-servlet.allow=true

package com.hiynn.core.mybatis;
 
import com.alibaba.druid.spring.boot.autoconfigure.DruidDataSourceBuilder;
import org.apache.ibatis.session.SqlSessionFactory;
import org.mybatis.spring.SqlSessionFactoryBean;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Primary;
import org.springframework.core.io.support.PathMatchingResourcePatternResolver;
import org.springframework.jdbc.datasource.DataSourceTransactionManager;
 
import javax.sql.DataSource;
 

@Configuration
public class LocalDataSourceConfig {
 
    @Bean(name = "localDataSource")
    @ConfigurationProperties(prefix = "spring.datasource.local")
    @Primary
    public DataSource localDataSource() {
        return DruidDataSourceBuilder.create().build();
    }
 
    @Bean(name = "localTransactionManager")
    @Primary
    public DataSourceTransactionManager mysqlTransactionManager() {
        return new DataSourceTransactionManager(localDataSource());
    }
 
    @Bean(name = "localSqlSessionFactory")
    @Primary
    public SqlSessionFactory mysqlSqlSessionFactory(@Qualifier("localDataSource") DataSource dataSource)
            throws Exception {
        SqlSessionFactoryBean sessionFactory = new SqlSessionFactoryBean();
        sessionFactory.setDataSource(dataSource);
        //如果不使用xml的方式配置mapper，则可以省去下面这行mapper location的配置。
        sessionFactory.setMapperLocations(new PathMatchingResourcePatternResolver()
                .getResources("classpath*:mapper
@Configuration
public class PublicDataSourceConfig {
 
    @Bean(name = "publicDataSource")
    @ConfigurationProperties(prefix = "spring.datasource.public")
    public DataSource publicDataSource() {
        return DruidDataSourceBuilder.create().build();
    }
 
    @Bean(name = "publicTransactionManager")
    public DataSourceTransactionManager mysqlTransactionManager() {
        return new DataSourceTransactionManager(publicDataSource());
    }
 
    @Bean(name = "publicSqlSessionFactory")
    public SqlSessionFactory mysqlSqlSessionFactory(@Qualifier("publicDataSource") DataSource dataSource)
            throws Exception {
        SqlSessionFactoryBean sessionFactory = new SqlSessionFactoryBean();
        sessionFactory.setDataSource(dataSource);
        //如果不使用xml的方式配置mapper，则可以省去下面这行mapper location的配置。
        sessionFactory.setMapperLocations(new PathMatchingResourcePatternResolver()
                .getResources("classpath*:mapper2
@ServletComponentScan
@SpringBootApplication
@EnableTransactionManagement
@Enableswagger2
@MapperScan(basePackages = "com.hiynn.core.**.mapper",sqlSessionFactoryRef = "localSqlSessionFactory")
@org.mybatis.spring.annotation.MapperScan(basePackages = "com.hiynn.core.**.mapper2",sqlSessionFactoryRef = "publicSqlSessionFactory")
public class Application extends SpringBootServletInitializer{
    public static void main(String[] args) {
        SpringApplication.run(Application.class, args);
    }
}

    @Bean(name = "localSqlSessionFactory")
    @Primary
    public SqlSessionFactory mysqlSqlSessionFactory(@Qualifier("localDataSource") DataSource dataSource)
            throws Exception {
        SqlSessionFactoryBean sessionFactory = new SqlSessionFactoryBean();
        sessionFactory.setDataSource(dataSource);
        //添加mybatis配置文件读取功能更
        sessionFactory.setConfigLocation(new PathMatchingResourcePatternResolver().getResource("mybatis-config.xml"));
        //如果不使用xml的方式配置mapper，则可以省去下面这行mapper location的配置。
        sessionFactory.setMapperLocations(new PathMatchingResourcePatternResolver()
                .getResources("classpath*:mapper/*.xml"));
        return sessionFactory.getObject();
    }

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE configuration PUBLIC "-//mybatis.org//DTD Config 3.0//EN"
        "Http://mybatis.org/dtd/mybatis-3-config.dtd">
<configuration>
    <settings>
        <setting name="mapUnderscoreToCamelCase" value="true" />
        <!-- 打印查询语句 -->
        <setting name="logImpl" value="STDOUT_LOGGING" />
    </settings>
</configuration>

数据库方言 指定分页插件使用哪种数据库方言
pagehelper.helperDialect=mysql
#分页参数合理化 pageNum<=0 时会查询第一页， pageNum>pages（超过总数时），会查询最后一页
pagehelper.reasonable=true
pagehelper.supportMethodsArguments=true
pagehelper.params=count=countSql