spring.datasource.test1.jdbc-url=jdbc:sqlserver://localhost:1433;databasename=AA
spring.datasource.test1.username=root
spring.datasource.test1.password=root
spring.datasource.test1.driver-class-name=com.microsoft.sqlserver.jdbc.SQLServerDriver
spring.datasource.test2.jdbc-url=jdbc:sqlserver://localhost:1433;databasename=AA_Sq
spring.datasource.test2.username=root
spring.datasource.test2.password=root
spring.datasource.test2.driver-class-name=com.microsoft.sqlserver.jdbc.SQLServerDriver

import com.baomidou.mybatisplus.extension.spring.MybatisSqlSessionFactoryBean;
import org.apache.ibatis.session.SqlSessionFactory;
import org.mybatis.spring.SqlSessionFactoryBean;
import org.mybatis.spring.SqlSessionTemplate;
import org.mybatis.spring.annotation.MapperScan;
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 org.springframework.core.io.support.PathMatchingResourcePatternResolver;
import org.springframework.jdbc.datasource.DataSourceTransactionManager;import javax.sql.DataSource;
//basePackages为dao层接口(用来与数据库做交互)所在的包名
@Configuration
@MapperScan(basePackages = {"com.xx.sourceone.mapper"},sqlSessionFactoryRef = "test1SqlSessionFactory")
public class DataByAA {//  @ConfigurationProperties注解的作用就是从application.properties中读取以  spring.datasource.test1 开头的那些配置，并将其设置为数据源的配置@Bean(name = "test1DataSource")@ConfigurationProperties(prefix = "spring.datasource.test1")public DataSource testDataSource(){return DataSourceBuilder.create().build();}@Bean(name = "test1SqlSessionFactory")public SqlSessionFactory testSqlSessionFactory(@Qualifier("test1DataSource") DataSource dataSource)throws Exception{MybatisSqlSessionFactoryBean bean=new MybatisSqlSessionFactoryBean();bean.setDataSource(dataSource);
//        路径地址为mapper.xml所在的位置，这个xml是配置文件，处在resource里面，主要用来写查询语句bean.setMapperLocations(new PathMatchingResourcePatternResolver().getResources("classpath:/mapperone/**.xml"));return bean.getObject();}@Bean(name = "test1TransactionManager")public DataSourceTransactionManager testTransactionManager(@Qualifier("test1DataSource") DataSource dataSource){return new DataSourceTransactionManager(dataSource);}@Bean(name = "test1SqlSessionTemplate")public SqlSessionTemplate testSqlSessionTemplate(@Qualifier("test1SqlSessionFactory") SqlSessionFactory sqlSessionFactory){return new SqlSessionTemplate(sqlSessionFactory);}
}

import com.baomidou.mybatisplus.extension.spring.MybatisSqlSessionFactoryBean;
import org.apache.ibatis.session.SqlSessionFactory;
import org.mybatis.spring.SqlSessionFactoryBean;
import org.mybatis.spring.SqlSessionTemplate;
import org.mybatis.spring.annotation.MapperScan;
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 org.springframework.core.io.support.PathMatchingResourcePatternResolver;
import org.springframework.jdbc.datasource.DataSourceTransactionManager;import javax.sql.DataSource;@Configuration
@MapperScan(basePackages = {"com.xx.sourcetwo.mapper"},sqlSessionFactoryRef = "test2SqlSessionFactory")
public class DataByAASq {@Bean(name = "test2DataSource")@ConfigurationProperties(prefix = "spring.datasource.test2")public DataSource testDataSource() {return DataSourceBuilder.create().build();}@Bean(name = "test2SqlSessionFactory")public SqlSessionFactory testSqlSessionFactory(@Qualifier("test2DataSource") DataSource dataSource) throws Exception {MybatisSqlSessionFactoryBean bean = new MybatisSqlSessionFactoryBean();bean.setDataSource(dataSource);bean.setMapperLocations(new PathMatchingResourcePatternResolver().getResources("classpath:/mappertwo/**.xml"));return bean.getObject();}@Bean(name = "test2TransactionManager")public DataSourceTransactionManager testTransactionManager(@Qualifier("test2DataSource") DataSource dataSource) {return new DataSourceTransactionManager(dataSource);}@Bean(name = "test2SqlSessionTemplate")public SqlSessionTemplate testSqlSessionTemplate(@Qualifier("test2SqlSessionFactory") SqlSessionFactory sqlSessionFactory) {return new SqlSessionTemplate(sqlSessionFactory);}
}

@RestController
public class XxWebController {@AutowiredXxWebMapper xxWebMapper;@PostMapping("/api/list")public Result getList(String sjname){Map<String,Object> map = new HashMap<>();try {XxWeb sjName = xxWebMapper.selectOne(new QueryWrapper<XxWeb>().eq("SjName", sjname));map.put("datas",sjName);return Result.ok(map);}catch (Exception e){return Result.fail(901);}}
}

@RestController
public class RfgcglController {@AutowiredUserMapper userMapper;@PostMapping("/api2/list")public Result getList(String yhmc){Map<String,Object> map = new HashMap<>();try {User yhmc1 = userMapper.selectOne(new QueryWrapper<User>().eq("yhmc", yhmc));map.put("datas",yhmc1);return Result.ok(map);}catch (Exception e){e.printStackTrace();return Result.fail(901);}}
}