springmvc项目骨架

package com.springmvc.config; import com.alibaba.druid.pool.DruidDataSource; import org.hibernate.SessionFactory; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.context.annotation.Bean; import org.springframework.context.annotation.Configuration; import org.springframework.core.env.Environment; import org.springframework.orm.hibernate5.HibernateTransactionManager; import org.springframework.orm.hibernate5.LocalSessionFactoryBean; import org.springframework.transaction.annotation.EnableTransactionManagement; import java.util.Properties; /** * Created by baich on 2016/1/26. */ @Configuration @EnableTransactionManagement public class SpringHibernate { @Autowired private Environment env; /** * 数据源（数据库连接池）配置， * @return */ @Bean public DruidDataSource dataSource() { DruidDataSource dataSource = new DruidDataSource(); dataSource.setDriverClassName(env.getRequiredProperty("driverClassName")); dataSource.setUrl(env.getRequiredProperty("jdbc_url")); dataSource.setUsername(env.getRequiredProperty("jdbc_username")); dataSource.setPassword(env.getRequiredProperty("jdbc_password")); dataSource.setInitialSize(0); dataSource.setMaxActive(20); dataSource.setMinIdle(0); dataSource.setMaxWait(60000); dataSource.setValidationQuery(env.getRequiredProperty("validationQuery")); dataSource.setTestOnBorrow(false); dataSource.setTestOnReturn(false); dataSource.setTestWhileIdle(true); dataSource.setTimeBetweenEvictionRunsMillis(60000); dataSource.setMinEvictableIdleTimeMillis(25200000); dataSource.setRemoveAbandoned(true); dataSource.setRemoveAbandonedTimeout(1800); dataSource.setLogAbandoned(true); return dataSource; } /** * 会话工厂设置 * @return */ @Bean public LocalSessionFactoryBean sessionFactory() { LocalSessionFactoryBean sessionFactory = new LocalSessionFactoryBean(); sessionFactory.setDataSource(this.dataSource()); // sessionFactory.setC Properties properties = new Properties(); properties.setProperty("hibernate.hbm2ddl.auto", env.getRequiredProperty("hibernate.hbm2ddl.auto")); properties.setProperty("hibernate.dialect", env.getRequiredProperty("hibernate.dialect")); properties.setProperty("hibernate.show_sql", env.getRequiredProperty("hibernate.show_sql")); properties.setProperty("hibernate.format_sql", env.getRequiredProperty("hibernate.format_sql")); properties.setProperty("hibernate.use_sql_comments", env.getRequiredProperty("hibernate.use_sql_comments")); sessionFactory.setHibernateProperties(properties); sessionFactory.setPackagesToScan("com.springmvc.po"); return sessionFactory; } /** * LocalSessionFactoryBean, 和 SessionFactory是什么关系，子类吗？ 不是，前者中有个成员是后者 * @return */ @Bean public HibernateTransactionManager transactionManager() { HibernateTransactionManager transactionManager = new HibernateTransactionManager(); transactionManager.setSessionFactory(this.sessionFactory().getObject()); //给事务管理器配置会话工厂，这里的会话工厂配置有些特殊 return transactionManager; } }