多数据源的配置

@Configuration
@PropertySource(value = {
      "classpath:db.properties"
})
public class DBConfig {
   @Bean(name = "writeDataSource")
   @ConfigurationProperties(prefix = "spring.datasource.data")
   public DataSource writeDataSource() {
      DruidDataSource druidDataSource = new DruidDataSource();
      return druidDataSource;
   }

   @Bean(name = "writeJdbcTemplate")
   public JdbcTemplate writeJdbcTemplate(@Qualifier("writeDataSource") DataSource writeDataSource) {

      return new JdbcTemplate(writeDataSource);
   }


   @Bean(name = "readDataSource")
   @ConfigurationProperties(prefix = "spring.datasource.conf")
   public DataSource readDataSource() {
      DruidDataSource druidDataSource = new DruidDataSource();
      return druidDataSource;
   }

   @Bean(name = "readJdbcTemplate")
   public JdbcTemplate readJdbcTemplate(@Qualifier("readDataSource") DataSource readDataSource) {

      return new JdbcTemplate(readDataSource);
   }

}