package com.imooc.demo.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.activation.DataSource;
import java.io.IOException;

@Configuration
public class SessionFactoryConfiguration {
// ? ?mybatis-config.xml配置文件的路徑
? ?@Value("${mybatis_config_file}")
? ?private String mybatisConfigFilePath;

// ? ?mybatis mapper文件所在路徑
? ?@Value("${mapper_path}")
? ?private String mapperPath;

// ? ?實體類所在的package
? ?@Value("${entity_package}")
? ?private String entityPackage;

? ?@Autowired
? ?@Qualifier("dataSource")//這個地方！?。。。。?！
? ?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((javax.sql.DataSource) dataSource);
? ? ? ?sqlSessionFactoryBean.setTypeAliasesPackage(entityPackage);
? ? ? ?return sqlSessionFactoryBean;
? ?}
}