SpringBoot项目多数据源及mybatis驼峰失效的问题解决方法

2022-11-13 11:11:51 失效 解决方法 驼峰

1 配置多数据源时,application.yml 的有关mybatis的配置是失效的,因为他不知道配置哪一个数据源

2 application.yml 配置文件

server:
  # 服务器Http端口
  port: 8097
spring:
  # 配置数据源
  datasource:
    master:
      jdbc-url: jdbc:Mysql://localhost:3306/test?useSSL=false&serverTimezone=UTC
      username: root
      passWord: root
      driver-class-name: com.mysql.cj.jdbc.Driver
    test:
      jdbc-url: jdbc:mysql://localhost:3306/test2?useSSL=false&serverTimezone=UTC
      username: root
      password: root
      driver-class-name: com.mysql.cj.jdbc.Driver
# MyBatis配置
mybatis:
    # 搜索指定包别名
    # (如果 typeAliasesPackage不进行配置,resultType就得写全名resultType="com.liyh.entity.User",
    # 但是如果配置了别名,就可以不用写全路径直接写resultType="User"即可)
    type-aliases-package: com.liyh.entity
    # 配置mapper的扫描,找到所有的mapper.xml映射文件
    mapper-locations: classpath*:mapper*Mapper.xml
    # 使用驼峰命名
    # 数据库表列:user_name
    # 实体类属性:userName
    configuration:
      map-underscore-to-camel-case: true

3 解决方法一

1 application.yml 的配置驼峰保留

2 定义全局的配置

@Bean
    @ConfigurationProperties(prefix = "mybatis.configuration")
    public org.apache.ibatis.session.Configuration configuration() {
        return new org.apache.ibatis.session.Configuration();
    }

3 在sqlSessionFactory中设置配置

@Primary
    @Bean(name = "masterSqlSessionFactory")
    public SqlSessionFactory sqlSessionFactory(@Qualifier("masterDataSource") DataSource dataSource, org.apache.ibatis.session.Configuration configuration) throws Exception {
        SqlSessionFactoryBean sqlSessionFactoryBean = new SqlSessionFactoryBean();
        sqlSessionFactoryBean.setDataSource(dataSource);
        sqlSessionFactoryBean.setMapperLocations(new PathMatchingResourcePatternResolver()
                .getResources("classpath*:mapper
    @Bean
    public PlatfORMTransactionManager transactionManager() {
        return new DataSourceTransactionManager(this.dataSource());
    }
    @Bean
    @ConfigurationProperties(prefix = "mybatis.configuration")
    public org.apache.ibatis.session.Configuration configuration() {
        return new org.apache.ibatis.session.Configuration();
    }
    @Primary
    @Bean(name = "masterSqlSessionFactory")
    public SqlSessionFactory sqlSessionFactory(@Qualifier("masterDataSource") DataSource dataSource, org.apache.ibatis.session.Configuration configuration) throws Exception {
        SqlSessionFactoryBean sqlSessionFactoryBean = new SqlSessionFactoryBean();
        sqlSessionFactoryBean.setDataSource(dataSource);
        sqlSessionFactoryBean.setMapperLocations(new PathMatchingResourcePatternResolver()
                .getResources("classpath*:mapper
    @Bean
    public PlatformTransactionManager transactionManager() {
        return new DataSourceTransactionManager(this.dataSource());
    }
    @Bean
    @ConfigurationProperties(prefix = "mybatis.configuration")
    public org.apache.ibatis.session.Configuration configuration() {
        return new org.apache.ibatis.session.Configuration();
    }
    @Primary
    @Bean(name = "masterSqlSessionFactory")
    public SqlSessionFactory sqlSessionFactory(@Qualifier("masterDataSource") DataSource dataSource, org.apache.ibatis.session.Configuration configuration) throws Exception {
        SqlSessionFactoryBean sqlSessionFactoryBean = new SqlSessionFactoryBean();
        sqlSessionFactoryBean.setDataSource(dataSource);
        sqlSessionFactoryBean.setMapperLocations(new PathMatchingResourcePatternResolver()
                .getResources("classpath*:mapper/*.xml"));
        sqlSessionFactoryBean.setTypeAliasesPackage("com.liyh.entity");
        sqlSessionFactoryBean.setConfiguration(configuration);
        return sqlSessionFactoryBean.getObject();
    }
}

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