5回答

• 

  慕后端6395667

  2018-06-07 20:51:42

  

  你所建的config包必须和Application类同级或更低级，才会被扫描，注意springboot工程结构，问题解决。

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• 

  qq_花纹纹_0

  2018-06-03 16:10:44

  我也出现了这个问题，请问怎么解决

  
  

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• 

  宝慕林7059632

  2018-05-25 21:56:10

  我也出现了这个错误请问楼主解决了吗

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• 

  慕先生0230488

  2018-03-13 15:12:28

  package config.dao;
  
  import com.mchange.v2.c3p0.ComboPooledDataSource;
  import org.mybatis.spring.annotation.MapperScan;
  import org.springframework.beans.factory.annotation.Value;
  
  import org.springframework.context.annotation.Bean;
  import org.springframework.context.annotation.Configuration;
  
  import java.beans.PropertyVetoException;
  
  @Configuration
  //配置mybatis中mapper的扫描路径
  @MapperScan("com.imooc.demo.dao")
  public class DataSourceConfiguration {
     @Value("${jdbc.driver}")
     private String jdbcDriver;
     @Value("${jdbc.url}")
     private String jdbcUrl;
     @Value("${jdbc.username}")
     private String jdbcUserName;
     @Value("${jdbc.password}")
     private String jdbcPassword;
  
     @Bean(name="dataSource")
     public ComboPooledDataSource createDataSource() throws PropertyVetoException {
         //设置数据源
         ComboPooledDataSource dataSource = new ComboPooledDataSource();
         dataSource.setDriverClass(jdbcDriver);
         dataSource.setJdbcUrl(jdbcUrl);
         dataSource.setUser(jdbcUserName);
         dataSource.setPassword(jdbcPassword);
         //关闭连接后不自动提交
         dataSource.setAutoCommitOnClose(false);
         return dataSource;
     }
  }
  

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• 

  慕先生0230488

  2018-03-13 15:12:05

  package config.dao;
  
  import org.mybatis.spring.SqlSessionFactoryBean;
  import org.springframework.beans.factory.annotation.Autowired;
  import org.springframework.beans.factory.annotation.Qualifier;
  import org.springframework.beans.factory.annotation.Value;
  import org.springframework.context.annotation.Bean;
  import org.springframework.context.annotation.Configuration;
  import org.springframework.core.io.ClassPathResource;
  import org.springframework.core.io.support.PathMatchingResourcePatternResolver;
  
  import javax.sql.DataSource;
  import java.io.IOException;
  
  //扫描这个类
  @Configuration
  public class SessionFactoryConfiguration {
     @Value("${mybatis_config_file}")
     private String myBatisConfigFilePath;
     @Value("${mybatis_path}")
     private String mapperPath;
     @Value("${entity_package}")
     private String entityPackage;
  
     @Autowired
     private DataSource dataSource;
  
     @Bean(name="sqlSessionFactory")
     public SqlSessionFactoryBean createSqlSessionFactoryBean() throws IOException {
         SqlSessionFactoryBean sqlSessionFactoryBean = new SqlSessionFactoryBean();
         sqlSessionFactoryBean.setConfigLocation(new ClassPathResource(myBatisConfigFilePath));
         PathMatchingResourcePatternResolver resolver = new PathMatchingResourcePatternResolver();
         String packageSearchPath = PathMatchingResourcePatternResolver.CLASSPATH_ALL_URL_PREFIX + mapperPath;
         sqlSessionFactoryBean.setMapperLocations(resolver.getResources(packageSearchPath));
         sqlSessionFactoryBean.setDataSource(dataSource);
         sqlSessionFactoryBean.setTypeAliasesPackage(entityPackage);
         return sqlSessionFactoryBean;
     }
  }
  
  

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