Mybatis配置多數(shù)據(jù)源

<!--        數(shù)據(jù)庫-->        <!-- https://mvnrepository.com/artifact/mysql/mysql-connector-java -->        <dependency>            <groupId>mysql</groupId>            <artifactId>mysql-connector-java</artifactId>            <version>8.0.26</version>        </dependency>
<!--        orm-->        <!-- https://mvnrepository.com/artifact/org.mybatis/mybatis -->        <dependency>            <groupId>org.mybatis</groupId>            <artifactId>mybatis</artifactId>            <version>3.5.7</version>        </dependency>
<!--        orm spring-->        <!-- https://mvnrepository.com/artifact/org.mybatis/mybatis-spring -->        <dependency>            <groupId>org.mybatis</groupId>            <artifactId>mybatis-spring</artifactId>            <version>2.0.6</version>        </dependency>
<!--        數(shù)據(jù)源-->        <!-- https://mvnrepository.com/artifact/com.alibaba/druid -->        <dependency>            <groupId>com.alibaba</groupId>            <artifactId>druid</artifactId>            <version>1.2.6</version>        </dependency>        <!-- https://mvnrepository.com/artifact/org.springframework/spring-jdbc -->        <dependency>            <groupId>org.springframework</groupId>            <artifactId>spring-jdbc</artifactId>            <version>5.3.9</version>        </dependency>

@Configurationpublic class MybatisConfig {
    public DruidDataSource getDruidDataSource(String url,String userName,String password) throws SQLException {        DruidDataSource ds = new DruidDataSource();        ds.setUrl(url);        ds.setUsername(userName);        ds.setPassword(password);        try {            ds.setFilters("stat,mergeStat,slf4j");        } catch (Exception var18) {        }        ds.setMaxActive(50);        ds.setInitialSize(1);        ds.setMinIdle(1);        ds.setMaxWait(60000);        ds.setTimeBetweenEvictionRunsMillis(120000);        ds.setMinEvictableIdleTimeMillis(300000);        ds.setValidationQuery("SELECT 'x'");        ds.setPoolPreparedStatements(true);        ds.setMaxPoolPreparedStatementPerConnectionSize(30);        ds.setTestWhileIdle(true);        ds.setTestOnReturn(false);        ds.setTestOnBorrow(false);        ds.init();        return ds;    }
    @Bean(name = "dataO")    public SqlSessionFactoryBean getSqlSessionFactoryOne1() throws Exception {        //xml和實體的映射        SqlSessionFactoryBean sqlSessionFactoryBean=new SqlSessionFactoryBean();        sqlSessionFactoryBean.setDataSource(getDruidDataSource("jdbc:mysql://127.0.0.1:3306/tianjl?useUnicode=true&characterEncoding=UTF-8&zeroDateTimeBehavior=convertToNull&transformedBitIsBoolean=true","root","tianjingle"));        sqlSessionFactoryBean.setTypeAliasesPackage("com.example.demo.one");        Resource[] resources = new Resource[]{new ClassPathResource("tian/one/OneMapper.xml")};        sqlSessionFactoryBean.setMapperLocations(resources);        return sqlSessionFactoryBean;    }
    @Bean(name = "dataTwo")    public MapperFactoryBean getSqlSessionFactoryTwo() throws Exception {        //xml和實體的映射        SqlSessionFactoryBean sqlSessionFactoryBean=new SqlSessionFactoryBean();        sqlSessionFactoryBean.setDataSource(getDruidDataSource("jdbc:mysql://127.0.0.1:3306/tianjl?useUnicode=true&characterEncoding=UTF-8&zeroDateTimeBehavior=convertToNull&transformedBitIsBoolean=true","root","tianjingle"));        sqlSessionFactoryBean.setTypeAliasesPackage("com.example.demo.two");        sqlSessionFactoryBean.setMapperLocations(new ClassPathResource("tian/two/TwoMapper.xml"));        //單個數(shù)據(jù)源所有的數(shù)據(jù)庫映射        MapperFactoryBean mapperFactoryBean=new MapperFactoryBean();        //設置sqlSessionTemplate,zhuru yong de        mapperFactoryBean.setMapperInterface(TwoMapper.class);        mapperFactoryBean.setSqlSessionFactory(sqlSessionFactoryBean.getObject());        return mapperFactoryBean;    }
    @Bean    @ConditionalOnBean(name = "dataO")    public static MapperScannerConfigurer mapperScannerConfigurer(){        MapperScannerConfigurer mapperScannerConfigurer=new MapperScannerConfigurer();        mapperScannerConfigurer.setBasePackage("com.example.demo.one.mapper");//這塊指定掃描的接口        mapperScannerConfigurer.setSqlSessionFactoryBeanName("dataO");        return mapperScannerConfigurer;    }}

    @Resource    private OneMapper oneMapper;

    @Resource    private TwoMapper twoMapper;

    @GetMapping(value = "/one")    public BaikeResponse one(){        BaikeResponse baikeResponse=new BaikeResponse();        baikeResponse.setData(oneMapper.one());        return baikeResponse;    }
    @GetMapping(value = "/two")    public BaikeResponse two(){        BaikeResponse baikeResponse=new BaikeResponse();        baikeResponse.setData(twoMapper.two());        return baikeResponse;}