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2025-04-05 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Database >
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1. Dao layer:
Mybatis integrates spring, creates database connection pool through spring, and manages SqlSessionFactory and mapper proxy objects. Requires an integrated package of mybatis and spring
Create a SqlMapConfig.xml profile
DOCTYPE configuration
PUBLIC "- / / mybatis.org//DTD Config 3.0//EN"
"http://mybatis.org/dtd/mybatis-3-config.dtd">
Create applicationContext-dao.xml
To make it easier to change the database, write a db.properties file
Jdbc.driver= database driver
Jdbc.url=jdbc:mysql://localhost:3306/ database name? characterEncoding=utf-8
Jdbc.username= user name
Jdbc.password= password
2. Service layer:
All service implementation classes are managed in a spring container. The practice is managed by spring.
Create applicationContext-service.xml
Create applicationContext-trans.xml
To load the spring container, write the following in Web.Xml
First name
ContextConfigLocation
Classpath:spring/applicationContext*.xml
Org.springframework.web.context.ContextLoaderListener
3. Performance layer:
Springmvc framework, controller managed by springmvc
Create Springmvc.xml
To load the front-end controller (DispatcherServlet), write the following in web.xml
First name
Welcome page
CharacterEncodingFilter
Org.springframework.web.filter.CharacterEncodingFilter
Encoding
Utf-8
CharacterEncodingFilter
/ *
First name
Org.springframework.web.servlet.DispatcherServlet
ContextConfigLocation
Classpath:spring/springmvc.xml
one
Name (just be consistent with the name above)
/
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