springboot+springJdbc+postgresql|springboot+springJdbc+postgresql 实现多数据源的配置
背景
最近公司在服务拆迁,接口转移,相同的功能接口到要迁移到对应的服务中,因为时间比较赶,别问为什么没给时间,没人,没资源,但是活还是得干的,为了减少工作量和稳妥的需要分两步走
- 先迁移相关代码,保证包的路径不变,请求接口的路径不变
- 将迁移的相关代码进行迁表迁库(这目前还没做,计划9月实施)
文章图片
数据库配置相关类
import com.alibaba.druid.pool.DruidDataSource; import java.io.Serializable; import java.sql.SQLException; public class JdbcConfig implements Serializable {public JdbcConfig() {super(); // TODO Auto-generated constructor stub}public boolean isDecrypt() {return decrypt; }public void setDecrypt(boolean decrypt) {this.decrypt = decrypt; }public String getDriverClass() {return driverClass; }public void setDriverClass(String driverClass) {this.driverClass = driverClass; }public String getTerminalUrl() { return terminalUrl; }public void setTerminalUrl(String terminalUrl) { this.terminalUrl = terminalUrl; }public String getSlaveurl() {return slaveurl; }public void setSlaveurl(String slaveurl) {this.slaveurl = slaveurl; }public String getUsername() {return username; }public void setUsername(String username) {this.username = username; }public String getPassword() {return password; }public void setPassword(String password) {this.password = password; }public int getInitialSize() {return initialSize; }public void setInitialSize(int initialSize) {this.initialSize = initialSize; }public int getMinIdle() {return minIdle; }public void setMinIdle(int minIdle) {this.minIdle = minIdle; }public int getMaxActive() {return maxActive; }public void setMaxActive(int maxActive) {this.maxActive = maxActive; }private boolean decrypt; private String driverClass; private String terminalUrl; private String slaveurl; private String username; private String password; private int initialSize; private int minIdle; private int maxActive; public DruidDataSource mainds() throws SQLException {DruidDataSource ds = ds(); ds.setUrl(terminalUrl); return ds; }public DruidDataSource slaveds() throws SQLException {DruidDataSource ds = ds(); ds.setUrl(slaveurl); return ds; }private DruidDataSource ds() throws SQLException {DruidDataSource ds = new DruidDataSource(); ds.setUrl(terminalUrl); ds.setUsername(username); ds.setPassword(password); ds.setFilters("config"); ds.setConnectionProperties("config.decrypt=" + decrypt); ds.setInitialSize(initialSize); ds.setMaxActive(maxActive); ds.setTimeBetweenEvictionRunsMillis(60000); ds.setMinEvictableIdleTimeMillis(300000); ds.setValidationQuery("select 'X'"); ds.setTestWhileIdle(true); ds.setTestOnBorrow(false); ds.setTestOnReturn(false); System.out.println("terminalUrl: " + terminalUrl); return ds; }}
相关配置
@Bean@ConfigurationProperties(prefix = "jdbc")public JdbcConfig jdbcConfig() {return new JdbcConfig(); }@Bean@ConfigurationProperties(prefix = "business.jdbc")public JdbcConfig businessJdbcConfig() {return new JdbcConfig(); }@Bean(initMethod = "init", destroyMethod = "close")public DruidDataSource businessDataSource() throws SQLException {return businessJdbcConfig().mainds(); }@Bean(initMethod = "init", destroyMethod = "close")public DruidDataSource masterDataSource() throws SQLException {return jdbcConfig().mainds(); }@Bean("jdbctemplate")public JdbcTemplate jdbcTemplate() throws SQLException {JdbcTemplate t = new JdbcTemplate(); t.setDataSource(masterDataSource()); return t; }@Bean("businessJdbctemplate")public JdbcTemplate businessjdbcTemplate() throws SQLException {JdbcTemplate t = new JdbcTemplate(); t.setDataSource(businessDataSource()); return t; }
使用
@Beanpublic RobotDataDao robotDataDao() throws SQLException {RobotDataDao dao = new RobotDataDao(); dao.setJdbcTemplate(jdbcTemplate()); dao.setTableName("t_business_robot_data"); dao.setPrimaryKey("id"); dao.setSeqName("seq_t_business"); return dao; }
@Beanpublic VDeviceDao vdeviceDao() throws SQLException {VDeviceDao dao = new VDeviceDao(); dao.setJdbcTemplate(businessjdbcTemplate()); dao.setTableName("t_device"); dao.setPrimaryKey("id"); dao.setSeqName("seq_t_default"); return dao; }
特别注意的,一定要配置的,因为现在有多数据源了就要配置对应的事务配置,单个默认的,多个就要指定
@Configurationpublic class TransactionConfig{@Beanpublic PlatformTransactionManager bfscrmTransactionManager(@Qualifier("masterDataSource") DataSource masterDataSource) {return new DataSourceTransactionManager(masterDataSource); }}
这就配置好了多个数据源了
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