初学Spring+SpringMVC+MyBatis框架（适合初学者看相对完整些）

package Wss.com.config; import com.alibaba.druid.pool.DruidDataSource; import org.mybatis.spring.SqlSessionFactoryBean; import org.mybatis.spring.mapper.MapperScannerConfigurer; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.beans.factory.annotation.Value; import org.springframework.context.annotation.Bean; import org.springframework.context.annotation.ComponentScan; import org.springframework.context.annotation.Configuration; import org.springframework.context.annotation.PropertySource; import org.springframework.context.support.PropertySourcesPlaceholderConfigurer; import org.springframework.core.io.support.PathMatchingResourcePatternResolver; import org.springframework.jdbc.datasource.DataSourceTransactionManager; import org.springframework.transaction.PlatformTransactionManager; import javax.sql.DataSource; import java.io.IOException; @Configuration @ComponentScan("Wss.com") @PropertySource("classpath:application.properties") public class AppConfig { @Value("com.mysql.jdbc.Driver") private String driver; @Value("jdbc:mysql://localhost:3306/persons?characterEncoding=utf-8&useSSL=false") private String url; @Value("root") private String user; @Value("root") private String password; @Bean public static PropertySourcesPlaceholderConfigurer propertySourcesPlaceholderConfigurer() { return new PropertySourcesPlaceholderConfigurer(); } @Bean public DataSource dataSource() { DruidDataSource druidDataSource = new DruidDataSource(); druidDataSource.setDriverClassName(driver); druidDataSource.setUrl(url); druidDataSource.setUsername(user); druidDataSource.setPassword(password); return druidDataSource; } @Bean public static SqlSessionFactoryBean sqlSessionFactoryBean(@Autowired DataSource dataSource) { SqlSessionFactoryBean sqlSessionFactoryBean = new SqlSessionFactoryBean(); sqlSessionFactoryBean.setDataSource(dataSource); sqlSessionFactoryBean.setTypeAliasesPackage("Wss.com.entity"); PathMatchingResourcePatternResolver resourcePatternResolver = new PathMatchingResourcePatternResolver(); try { sqlSessionFactoryBean.setMapperLocations(resourcePatternResolver.getResources("classpath:mapper/**/*.xml")); } catch (IOException e) { e.printStackTrace(); } return sqlSessionFactoryBean; } @Bean public static MapperScannerConfigurer mapperScannerConfigurer() { MapperScannerConfigurer mapperScannerConfigurer = new MapperScannerConfigurer(); mapperScannerConfigurer.setSqlSessionFactoryBeanName("sqlSessionFactoryBean"); mapperScannerConfigurer.setBasePackage("Wss.com.mapper"); return mapperScannerConfigurer; } @Bean public PlatformTransactionManager platformTransactionManager(@Autowired DataSource dataSource) { PlatformTransactionManager platformTransactionManager = new DataSourceTransactionManager(dataSource); return platformTransactionManager; } }