springboot mybatis 多数据源配置

 1 package com.aaaaaaa.config.datasource;
 2 
 3 import javax.sql.DataSource;
 4 
 5 import org.apache.ibatis.session.SqlSessionFactory;
 6 import org.mybatis.spring.SqlSessionFactoryBean;
 7 import org.mybatis.spring.SqlSessionTemplate;
 8 import org.mybatis.spring.annotation.MapperScan;
 9 import org.springframework.beans.factory.annotation.Qualifier;
10 import org.springframework.boot.autoconfigure.jdbc.DataSourceBuilder;
11 import org.springframework.boot.context.properties.ConfigurationProperties;
12 import org.springframework.context.annotation.Bean;
13 import org.springframework.context.annotation.Configuration;
14 import org.springframework.context.annotation.Primary;
15 import org.springframework.core.io.support.PathMatchingResourcePatternResolver;
16 import org.springframework.jdbc.datasource.DataSourceTransactionManager;
17 
18 /**
19  * 
20  * @desc 支持多数据源配置，复制一份代码修改所有appdb即可<br>
21  *       以该数据源为主数据源。只能设置@Primary到一份数据源作为主数据源
22  * @author josnow
23  * @date 2018年1月12日 下午9:58:18
24  * @version 1.0.0
25  */
26 @Configuration
27 @MapperScan(basePackages = "com.aaaaaaa.mapper.appdb", sqlSessionTemplateRef = "appdbSqlSessionTemplate")
28 public class DataSourceConfigappdb {
29 
30     @Bean(name = "appdbDataSource")
31     @ConfigurationProperties(prefix = "spring.datasource.appdb")
32     @Primary
33     public DataSource testDataSource() {
34         return DataSourceBuilder.create().build();
35     }
36 
37     @Bean(name = "appdbSqlSessionFactory")
38     @Primary
39     public SqlSessionFactory testSqlSessionFactory(@Qualifier("appdbDataSource") DataSource dataSource)
40             throws Exception {
41         SqlSessionFactoryBean bean = new SqlSessionFactoryBean();
42         bean.setDataSource(dataSource);
43         bean.setMapperLocations(new PathMatchingResourcePatternResolver().getResources("classpath:mapper/appdb/*.xml"));
44         return bean.getObject();
45     }
46 
47     @Bean(name = "appdbTransactionManager")
48     @Primary
49     public DataSourceTransactionManager testTransactionManager(@Qualifier("appdbDataSource") DataSource dataSource) {
50         return new DataSourceTransactionManager(dataSource);
51     }
52 
53     @Bean(name = "appdbSqlSessionTemplate")
54     @Primary
55     public SqlSessionTemplate testSqlSessionTemplate(
56             @Qualifier("appdbSqlSessionFactory") SqlSessionFactory sqlSessionFactory) throws Exception {
57         return new SqlSessionTemplate(sqlSessionFactory);
58     }
59 
60 }

 1 package com.aaaaaaa.config.datasource;
 2 
 3 import javax.sql.DataSource;
 4 
 5 import org.apache.ibatis.session.SqlSessionFactory;
 6 import org.mybatis.spring.SqlSessionFactoryBean;
 7 import org.mybatis.spring.SqlSessionTemplate;
 8 import org.mybatis.spring.annotation.MapperScan;
 9 import org.springframework.beans.factory.annotation.Qualifier;
10 import org.springframework.boot.autoconfigure.jdbc.DataSourceBuilder;
11 import org.springframework.boot.context.properties.ConfigurationProperties;
12 import org.springframework.context.annotation.Bean;
13 import org.springframework.context.annotation.Configuration;
14 import org.springframework.core.io.support.PathMatchingResourcePatternResolver;
15 import org.springframework.jdbc.datasource.DataSourceTransactionManager;
16 
17 @Configuration
18 @MapperScan(basePackages = "com.aaaaaaa.mapper.testdb", sqlSessionTemplateRef = "testdbSqlSessionTemplate")
19 public class DataSourceConfigtestdb {
20 
21     @Bean(name = "testdbDataSource")
22     @ConfigurationProperties(prefix = "spring.datasource.testdb")
23     public DataSource testDataSource() {
24         return DataSourceBuilder.create().build();
25     }
26 
27     @Bean(name = "testdbSqlSessionFactory")
28     public SqlSessionFactory testSqlSessionFactory(@Qualifier("testdbDataSource") DataSource dataSource)
29             throws Exception {
30         SqlSessionFactoryBean bean = new SqlSessionFactoryBean();
31         bean.setDataSource(dataSource);
32         bean.setMapperLocations(
33                 new PathMatchingResourcePatternResolver().getResources("classpath:mapper/testdb/*.xml"));
34         return bean.getObject();
35     }
36 
37     @Bean(name = "testdbTransactionManager")
38     public DataSourceTransactionManager testTransactionManager(@Qualifier("testdbDataSource") DataSource dataSource) {
39         return new DataSourceTransactionManager(dataSource);
40     }
41 
42     @Bean(name = "testdbSqlSessionTemplate")
43     public SqlSessionTemplate testSqlSessionTemplate(
44             @Qualifier("testdbSqlSessionFactory") SqlSessionFactory sqlSessionFactory) throws Exception {
45         return new SqlSessionTemplate(sqlSessionFactory);
46     }
47 
48 }