wisdomisite-java/src/main/java/com/zhgd/config/DataSourceOneConfig.java

package com.zhgd.config;

import com.baomidou.mybatisplus.core.MybatisConfiguration;
import com.baomidou.mybatisplus.extension.spring.MybatisSqlSessionFactoryBean;
import com.wflow.config.MyBatisPlusConfig;
import org.apache.ibatis.logging.stdout.StdOutImpl;
import org.apache.ibatis.session.SqlSessionFactory;
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.context.annotation.Lazy;
import org.springframework.context.annotation.Primary;
import org.springframework.core.io.support.PathMatchingResourcePatternResolver;
import org.springframework.jdbc.datasource.DataSourceTransactionManager;

import javax.annotation.Resource;
import javax.sql.DataSource;

@Configuration
@MapperScan(basePackages = {"com.zhgd.*.*.*.*.mapper", "com.zhgd.*.*.*.mapper"}, sqlSessionTemplateRef = "db1SqlSessionTemplate")
public class DataSourceOneConfig {
    @Resource
    private MybatisPlusConfig mybatisPlusConfig;

    @Bean
    @ConfigurationProperties(prefix = "spring.datasource.db1")
    public DataSource db1DataSource() {
        return DataSourceBuilder.create().build();
    }

    @Bean
    @Lazy  //这个是懒加载的注解，根据自己项目需要看是否添加
    public SqlSessionFactory db1SqlSessionFactory(@Qualifier("db1DataSource") DataSource dataSource) throws Exception {
        MybatisSqlSessionFactoryBean bean = new MybatisSqlSessionFactoryBean();
        bean.setDataSource(dataSource);
        //开启驼峰
        MybatisConfiguration configuration = new MybatisConfiguration();
        configuration.setMapUnderscoreToCamelCase(true);
        configuration.setLogImpl(StdOutImpl.class);
        bean.setConfiguration(configuration);
        bean.setMapperLocations(new PathMatchingResourcePatternResolver().getResources("classpath*:com/zhgd/xmgl/**/*.xml"));
        bean.setPlugins(mybatisPlusConfig.mybatisPlusInterceptor());
        return bean.getObject();
    }

    @Bean
    @Primary
    public DataSourceTransactionManager db1TransactionManager(@Qualifier("db1DataSource") DataSource dataSource) {
        return new DataSourceTransactionManager(dataSource);
    }

    @Bean
    @Primary
    @Lazy
    public SqlSessionTemplate db1SqlSessionTemplate(@Qualifier("db1SqlSessionFactory") SqlSessionFactory sqlSessionFactory) throws Exception {
        return new SqlSessionTemplate(sqlSessionFactory);
    }
}