我開發一個春天啓動應用程序,我需要一個共同的類爲我提供數據庫連接所有控制器所以我創建如下一個sepeate類:如何使不同類DB連接
@RestController
public class DataBaseConnector{
@Autowired
@Qualifier("dataSource")
public static DataSource dataSource;
@Bean
@Primary
@ConfigurationProperties(prefix = "spring.ds")
public DataSource DataSourcePGStreet() {
return DataSourceBuilder.create().build();
}
@Autowired
public Connection giveConnection() throws SQLException{
return dataSource.getConnection();
}
}
然後在另一個控制器I撥打下面的連接:
@Autowired
@Qualifier("dbc")
private static DataBaseConnector obj;
@Autowired
private Connection connectionDatabase;
.../// Rest Code
@RequestMapping(value="/path",produces={MediaType.APPLICATION_JSON_VALUE},method=RequestMethod.GET)
public ResponseEntity<?> getStreetScore(){
obj=new DataBaseConnector();
connectionDatabase=obj.giveConnection();
}
但是,這引發了我的名字
錯誤創建與DataBaseConnector.Any幫助的錯誤是ppreciated
說明:
Field dataSource in com.dmmltasmu.controller.DataBaseConnector required a bean of type 'javax.sql.DataSource' that could not be found.
- Bean method 'dataSource' not loaded because @ConditionalOnClass did not find required class 'org.springframework.jdbc.datasource.embedded.EmbeddedDatabaseType'
- Bean method 'dataSource' not loaded because @ConditionalOnClass did not find required classes 'javax.transaction.TransactionManager', 'org.springframework.jdbc.datasource.embedded.EmbeddedDatabaseType'
請包括完整的堆棧跟蹤 – ChristofferPass
@ChristofferPass添加了完整的堆棧跟蹤 – Ricky
使用本指南:https://medium.com/@joeclever/using-multiple-datasources-with-spring-boot-and-spring-data-6430b00c02e7 爲我工作。 – elysrivero99