SpringBoot(???):SpringBoot??????Mybatis

Posted 2021-02-11

?????????1.3   dep   oca   dao???   drive   start   nic   path   str   

(1)????????????SpringBoot??????,???pom.xml???????????????jar??????

?????????:

 <!--??????mybatis??????springboot-->
    <dependency>
      <groupId>org.mybatis.spring.boot</groupId>
      <artifactId>mybatis-spring-boot-starter</artifactId>
      <version>1.3.1</version>
    </dependency>
    <!--mysql???jdbc?????????-->
    <dependency>
      <groupId>mysql</groupId>
      <artifactId>mysql-connector-java</artifactId>
    </dependency>

(2)???SpringBoot?????????????????????application.properties??????????????????

??????????????????6.0????????????????????????????????? com.mysql.cj.jdbc.Driver  ?????????????????????cj

?????????:

spring.datasource.username=root
spring.datasource.password=root
#6.0????????????????????????????????? com.mysql.cj.jdbc.Driver  ?????????????????????cj
spring.datasource.driver-class-name=com.mysql.cj.jdbc.Driver
spring.datasource.url=jdbc:mysql://localhost:3306/student?useUnicode=true&characterEncoding=utf8&serverTimezone=GMT

 

??????????????????Model Mapper dao??? ?????????????????????????????????????????????????????????????????????


??????GeneratorMapper.xml???????????????????????????????????????????????????(??????)
???pom???????????????????????????????????? 

 

????????????

 

??????Service???  Controller??? 

 

??????????????????:

 

Controller?????????

mapper??????:

??????????????????????????????   @Mapper    //??????mapper????????????spring??????????????????bean

????????????:

 

??????????????????

??????:

?????????????????????StudentMapper??????StudentMapper.xml??????????????????????????????????????????????????????????????????

??????:

????????????????????????application????????????mapper.xml?????????

#??????mapper.xml?????????
mybatis.mapper-locations=classpath:mapper/*.xml