Spring注解配置

package com.bookstore.config;

import com.alibaba.druid.pool.DruidDataSource;
import com.alibaba.druid.pool.DruidDataSourceFactory;
import org.springframework.context.annotation.*;
import org.springframework.jdbc.core.JdbcTemplate;
import org.springframework.jdbc.datasource.DataSourceTransactionManager;
import org.springframework.stereotype.Controller;
import org.springframework.transaction.annotation.EnableTransactionManagement;

import javax.sql.DataSource;
import java.util.Properties;

/**
 * @Author BaiYZ
 * @Program BookStoreFrameWork
 * @Description Spring 配置类
 * @Date 2022-01-02 23:00:13
 */
@Configuration
@ComponentScan(value = "com.bookstore", excludeFilters = {@ComponentScan.Filter(type = FilterType.ANNOTATION, classes = Controller.class)})
@EnableAspectJAutoProxy(proxyTargetClass = false)
@EnableTransactionManagement()
public class SpringConfig {
    //注册数据库连接池
    @Bean
    public DruidDataSource getDataSource() {
        Properties dataSourceProperties = new Properties();
        try {
            dataSourceProperties.load(SpringConfig.class.getClassLoader().getResourceAsStream("dataSource.properties"));
            return (DruidDataSource) DruidDataSourceFactory.createDataSource(dataSourceProperties);
        } catch (Exception e) {
            e.printStackTrace();
        }
        return null;
    }

    //创建JDBCTemplate
    @Bean
    public JdbcTemplate getJdbcTemplate(DataSource dataSource) {
        JdbcTemplate jdbcTemplate = new JdbcTemplate();
        jdbcTemplate.setDataSource(dataSource);
        return jdbcTemplate;

    }

    //注册事务管理器
    @Bean
    public DataSourceTransactionManager getDataSourceTransactionManager(DataSource dataSource) {
        DataSourceTransactionManager dataSourceTransactionManager = new DataSourceTransactionManager();
        dataSourceTransactionManager.setDataSource(dataSource);
        return dataSourceTransactionManager;
    }
}