package com.itheima.util; import org.apache.ibatis.io.Resources; import org.apache.ibatis.session.SqlSessionFactory; import org.apache.ibatis.session.SqlSessionFactoryBuilder; import java.io.IOException; import java.io.InputStream; public class SqlSessionFactoryUtils { private static SqlSessionFactory sqlSessionFactory; static { //静态代码块会随着类的加载而自动执行,且只执行一次 try { String resource = "mybatis-config.xml"; InputStream inputStream = Resources.getResourceAsStream(resource); sqlSessionFactory = new SqlSessionFactoryBuilder().build(inputStream); } catch (IOException e) { e.printStackTrace(); } } public static SqlSessionFactory getSqlSessionFactory(){ return sqlSessionFactory; } }
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