SpringBoot+MyBatis

依赖配置

    
        org.springframework.boot
        spring-boot-starter-web
    
    
        org.mybatis.spring.boot
        mybatis-spring-boot-starter
        2.2.0
    

    
        org.springframework.boot
        spring-boot-devtools
        runtime
        true
    
    
        mysql
        mysql-connector-java
        5.1.45
    
    
        org.projectlombok
        lombok
        true
    
    
        org.springframework.boot
        spring-boot-starter-test
        test
    
    
        org.springframework.boot
        spring-boot-starter-tomcat
    

    
        c3p0
        c3p0
        0.9.1.2
    



-- xml资源过滤

    
        
            src/main/java
            
                ****
            
        
        
        
        
        
        
        
        
    
    
        
            org.springframework.boot
            spring-boot-maven-plugin
            
                
                    
                        org.projectlombok
                        lombok
                    
                
            
        
    

server:
  port: 80


spring:
  datasource:
    url: jdbc:mysql://localhost:3306/smbms?characterEncoding=utf-8
    username: root
    password: root
    driver-class-name: com.mysql.jdbc.Driver
  mvc:
    view:
      prefix: /WEB-INF/jsp/
      suffix: .jsp
mybatis:
  mapper-locations: classpath:cn/chy/com/main/mapper/*.xml
  type-aliases-package: classpath:cn/chy/com/main/pojo
  configuration:
      auto-mapping-behavior: full

#mapper-locations: classpath:cn/chy/com/main/mapper/*.xml配置也行吧 或者 启动类上@MapperScan

好了，最后在每个Mapper接口上定义@Mapper 注解 或 在启动类上添加 @MapperScan() 扫描