mybatis--删除员工&新增员工&预编译操作
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33
springboot-mybatis-crud/.gitignore
vendored
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33
springboot-mybatis-crud/.gitignore
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HELP.md
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target/
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!.mvn/wrapper/maven-wrapper.jar
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!**/src/main/**/target/
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!**/src/test/**/target/
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### STS ###
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.apt_generated
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.classpath
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.factorypath
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.project
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.settings
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.springBeans
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.sts4-cache
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### IntelliJ IDEA ###
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.idea
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*.iws
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*.iml
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*.ipr
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### NetBeans ###
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/nbproject/private/
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/nbbuild/
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/dist/
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/nbdist/
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/.nb-gradle/
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build/
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!**/src/main/**/build/
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!**/src/test/**/build/
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### VS Code ###
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.vscode/
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83
springboot-mybatis-crud/pom.xml
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83
springboot-mybatis-crud/pom.xml
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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<groupId>com.inmind</groupId>
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<artifactId>springboot-mybatis-crud</artifactId>
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<version>0.0.1-SNAPSHOT</version>
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<name>springboot-mybatis-crud</name>
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<description>springboot-mybatis-crud</description>
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<properties>
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<java.version>11</java.version>
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<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
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<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
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<spring-boot.version>2.7.6</spring-boot.version>
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</properties>
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<dependencies>
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<dependency>
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<groupId>org.mybatis.spring.boot</groupId>
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<artifactId>mybatis-spring-boot-starter</artifactId>
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<version>2.3.0</version>
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</dependency>
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<dependency>
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<groupId>com.mysql</groupId>
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<artifactId>mysql-connector-j</artifactId>
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<scope>runtime</scope>
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</dependency>
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<dependency>
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<groupId>org.projectlombok</groupId>
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<artifactId>lombok</artifactId>
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<optional>true</optional>
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</dependency>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-test</artifactId>
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<scope>test</scope>
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</dependency>
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</dependencies>
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<dependencyManagement>
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<dependencies>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-dependencies</artifactId>
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<version>${spring-boot.version}</version>
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<type>pom</type>
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<scope>import</scope>
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</dependency>
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</dependencies>
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</dependencyManagement>
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<build>
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<plugins>
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-compiler-plugin</artifactId>
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<version>3.8.1</version>
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<configuration>
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<source>11</source>
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<target>11</target>
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<encoding>UTF-8</encoding>
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</configuration>
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</plugin>
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<plugin>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-maven-plugin</artifactId>
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<version>${spring-boot.version}</version>
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<configuration>
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<mainClass>com.inmind.SpringbootMybatisCrudApplication</mainClass>
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<skip>true</skip>
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</configuration>
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<executions>
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<execution>
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<id>repackage</id>
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<goals>
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<goal>repackage</goal>
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</goals>
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</execution>
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</executions>
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</plugin>
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</plugins>
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</build>
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</project>
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package com.inmind;
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import org.springframework.boot.SpringApplication;
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import org.springframework.boot.autoconfigure.SpringBootApplication;
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@SpringBootApplication
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public class SpringbootMybatisCrudApplication {
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public static void main(String[] args) {
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SpringApplication.run(SpringbootMybatisCrudApplication.class, args);
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}
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}
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package com.inmind.mapper;
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import com.inmind.pojo.Emp;
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import org.apache.ibatis.annotations.Delete;
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import org.apache.ibatis.annotations.Insert;
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import org.apache.ibatis.annotations.Mapper;
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@Mapper//生成接口的实现类对象，交给spring容器管理，DI自动注入
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public interface EmpMapper {
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/*
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删除员工
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*/
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@Delete("delete from emp where id = #{id}")
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// @Delete("delete from emp where id = ${id}")
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public int delete(Integer id);
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/*
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新增员工
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*/
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@Insert("insert into emp(username, name, gender, image, job, entrydate, dept_id, create_time, update_time)" +
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"values (#{username},#{name},#{gender},#{image},#{job},#{entrydate},#{deptId},#{createTime},#{updateTime});")
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public void insert(Emp emp);
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}
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package com.inmind.pojo;
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import lombok.AllArgsConstructor;
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import lombok.Data;
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import lombok.NoArgsConstructor;
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import java.time.LocalDate;
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import java.time.LocalDateTime;
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@Data
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@NoArgsConstructor
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@AllArgsConstructor
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public class Emp {
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private Integer id; //ID
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private String username; //用户名
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private String password;//密码
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private String name;//姓名
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private Short gender;//性别,1:男 2:女
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private String image;//图像url
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private Short job;//职位, 1:班主任 2:讲师 3:学工主管 4:教研主管 5:咨询师
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private LocalDate entrydate;// 入职日期
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private Integer deptId;//部门ID
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private LocalDateTime createTime;//创建时间
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private LocalDateTime updateTime;//修改时间
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}
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@@ -0,0 +1,20 @@
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#下面这些内容是为了让MyBatis映射
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#指定Mybatis的Mapper文件
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mybatis.mapper-locations=classpath:mappers/*xml
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#指定Mybatis的实体目录
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mybatis.type-aliases-package=com.inmind.mybatis.entity
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#驱动类名称
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spring.datasource.driver-class-name=com.mysql.cj.jdbc.Driver
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#数据库连接的url
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spring.datasource.url=jdbc:mysql://localhost:3306/mybatis2
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#连接数据库的用户名
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spring.datasource.username=root
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#连接数据库的密码
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spring.datasource.password=1234
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#输出mybatis的日志
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mybatis.configuration.log-impl=org.apache.ibatis.logging.stdout.StdOutImpl
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@@ -0,0 +1,44 @@
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package com.inmind;
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import com.inmind.mapper.EmpMapper;
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import com.inmind.pojo.Emp;
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import org.junit.jupiter.api.Test;
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import org.junit.jupiter.api.TestTemplate;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.boot.test.context.SpringBootTest;
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import java.time.LocalDate;
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import java.time.LocalDateTime;
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@SpringBootTest
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class SpringbootMybatisCrudApplicationTests {
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@Autowired
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private EmpMapper empMapper;
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@Test
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void contextLoads() {
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}
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@Test
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void testDelete(){
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//调用员工Mapper对象的删除员工的方法
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int delete = empMapper.delete(14);
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System.out.println("删除的员工数量为："+delete);
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}
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@Test
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void testInsert() {
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Emp emp = new Emp();
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emp.setUsername("zhangsan");
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emp.setName("张三");
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emp.setGender((short) 1);
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emp.setImage("1.jpg");
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emp.setEntrydate(LocalDate.of(2025,10,26));
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emp.setDeptId(1);
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emp.setCreateTime(LocalDateTime.now());
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emp.setUpdateTime(LocalDateTime.now());
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empMapper.insert(emp);
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}
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}
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