2024.11.12（spring boot创建数据库）

前端代码
UserMapper.xml

select * from springboot.user

<select id="queryUserById" resultType="User" parameterType="int">select * from springboot.user where id = #{id};
</select><insert id="addUser">insert into springboot.user (name, id, sex) VALUES (#{name},#{id},#{sex})
</insert><delete id="deleteUserById">delete from springboot.user where id=#{id}
</delete>

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 application.properties spring.datasource.username=root spring.datasource.password=admin spring.datasource.url=jdbc:mysql://localhost:3306/mybatis?serverTimezone=UTC&useUnicode=true&characterEncoding=utf-8 spring.datasource.driver-class-name=com.mysql.cj.jdbc.Driver

??mybatis

mybatis.type-aliases-package=com.example.springboot.pojo
mybatis.mapper-locations=classpath:mybatis/mapper/*.xml
server.port=8080

pom.xml

4.0.0
com.example
springBoot
0.0.1-SNAPSHOT
springBoot
springBoot

<java.version>1.8</java.version>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
<spring-boot.version>2.6.13</spring-boot.version>



org.mybatis.spring.boot
mybatis-spring-boot-starter
2.1.1


org.projectlombok
lombok


org.springframework.boot
spring-boot-starter-jdbc


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

    <dependency><groupId>com.mysql</groupId><artifactId>mysql-connector-j</artifactId><scope>runtime</scope></dependency><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-test</artifactId><scope>test</scope></dependency>
</dependencies>
<dependencyManagement><dependencies><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-dependencies</artifactId><version>${spring-boot.version}</version><type>pom</type><scope>import</scope></dependency></dependencies>
</dependencyManagement><build><plugins><plugin><groupId>org.apache.maven.plugins</groupId><artifactId>maven-compiler-plugin</artifactId><version>3.8.1</version><configuration><source>1.8</source><target>1.8</target><encoding>UTF-8</encoding></configuration></plugin><plugin><groupId>org.springframework.boot</groupId><artifactId>spring-boot-maven-plugin</artifactId><version>${spring-boot.version}</version><configuration><mainClass>com.example.springboot.Application</mainClass><skip>true</skip></configuration><executions><execution><id>repackage</id><goals><goal>repackage</goal></goals></execution></executions></plugin></plugins>
</build>