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1.spring+mybatis整合：

1.1 配置mybatis-config：

主要配置全局设置settring和别名alias，不需要配置mapper所在的链接，因为在spring配置中可以配置进行扫描mapper，必须遵循mapper.xml和mapper.java在同个目录下

1.2 spring.xml配置：

spring主要是管理mapper、service、controller的注册，即交给IOC容器

1.2.1 applicationContext-dao.xml：

  • 配置加载db.properties；
  • 配置数据源；
  • 配置sqlSessionFactory（引用的数据源，mybatis-config的位置）
  • 配置mapper扫描器

1.2.2 applicationContext-service.xml：

  • 配置service扫描包
  • 配置service事务

1.2.3 springmvc.xml：

  • 配置controller扫描包
  • 配置注解驱动
  • 配置视图解析器

2.web.xml：

  • 配置Spring监听器listener，监听spring启动，需要配置spring配置文件的位置
  • 配置filter utf-8
  • 配置dispatcherServlet，init-param中初始化加载springmvc.xml

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