SSM框架整合 Spring Spring MVC MyBatis Spring MVC 负责实现 MVC 设计模式，MyBatis 负责数据持久层，Spring 负责管理 Spring MVC 和 MyBatis 创建和依赖相关对象。 创建 Maven ?程，pom.xml
org.springframework spring-webmvc 5.0.11.RELEASE org.springframework spring-jdbc 5.0.11.RELEASE org.springframework spring-aop 5.0.11.RELEASE org.springframework spring-aspects 5.0.11.RELEASE org.mybatis mybatis 3.4.5 org.mybatis mybatis-spring web.xml 中配置 SpringMVC、Spring、加载静态资源的字符编码过滤器。 1.3.1 mysql mysql-connector-java 8.0.11 c3p0 c3p0 0.9.1.2 jstl jstl 1.2 javax.servlet javax.servlet-api 3.1.0 org.projectlombok lombok 1.18.6 provided Archetype Created Web Application contextConfigLocation classpath:spring.xml org.springframework.web.context.ContextLoaderListener dispatcherServlet org.springframework.web.servlet.DispatcherServlet contextConfigLocation classpath:springmvc.xml dispatcherServlet / characterEncodingFilter org.springframework.web.filter.CharacterEncodingFilter encoding UTF-8 characterEncodingFilter /* default *.js default *.css 在 spring.xml 中配置 MyBatis 和 Spring 的整合。 config.xml 配置? config.xml 配置?些 MyBatis 辅助信息，如打印 SQL 等。 default *.jpg <?xml version="1.0" encoding="UTF-8"?> 配置 springmvc.xml 实体类 <?xml version="1.0" encoding="UTF-8"?> <?xml version="1.0" encoding="UTF-8"?> UserRepository UserRepository.xml UserService package com.southwind.entity; import lombok.Data; @Data public class User { private long id; private String name; private String password; private double score; } package com.southwind.repository; import com.southwind.entity.User; import java.util.List; public interface UserRepository { public List findAll(); } <?xml version="1.0" encoding="UTF-8" ?> select * from user package com.southwind.service; import com.southwind.entity.User; import java.util.List; public interface UserService { public List findAll(); } UserServiceImpl UserHandler package com.southwind.service.impl; import com.southwind.entity.User; import com.southwind.repository.UserRepository; import com.southwind.service.UserService; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Service; import java.util.List; @Service public class UserServiceImpl implements UserService { @Autowired private UserRepository userRepository; @Override public List findAll() { return userRepository.findAll(); } } package com.southwind.controller; import com.southwind.service.UserService; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Controller; import org.springframework.web.bind.annotation.GetMapping; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.servlet.ModelAndView; @Controller @RequestMapping("/user") public class UserHandler { @Autowired private UserService userService; @GetMapping("/findAll") public ModelAndView findAll(){ ModelAndView modelAndView = new ModelAndView(); modelAndView.setViewName("index"); modelAndView.addObject("list",userService.findAll()); return modelAndView; } }