parent
eea028511d
commit
4f966432a6
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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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|
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### IntelliJ IDEA ###
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.idea/modules.xml
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.idea/jarRepositories.xml
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.idea/compiler.xml
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.idea/libraries/
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*.iws
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*.iml
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*.ipr
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### Eclipse ###
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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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### 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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||||
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||||
### Mac OS ###
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.DS_Store
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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"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<groupId>com.msb.springmvc</groupId>
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<artifactId>mybaits_02</artifactId>
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<version>1.0-SNAPSHOT</version>
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<dependencies>
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<!--mysqlConnector-->
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<dependency>
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<groupId>mysql</groupId>
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<artifactId>mysql-connector-java</artifactId>
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<version>8.0.16</version>
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</dependency>
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<!--mybatis 核心jar包-->
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<dependency>
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<groupId>org.mybatis</groupId>
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<artifactId>mybatis</artifactId>
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<version>3.5.3</version>
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</dependency>
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<!--junit-->
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<dependency>
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<groupId>junit</groupId>
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<artifactId>junit</artifactId>
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<version>4.13.1</version>
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<scope>test</scope>
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</dependency>
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<!--lombok -->
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<dependency>
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<groupId>org.projectlombok</groupId>
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<artifactId>lombok</artifactId>
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<version>1.18.12</version>
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<scope>provided</scope>
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</dependency>
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<!--日志的依赖 log4j -->
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<dependency>
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<groupId>log4j</groupId>
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<artifactId>log4j</artifactId>
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<version>1.2.17</version>
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</dependency>
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</dependencies>
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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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<configuration>
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<source>8</source>
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<target>8</target>
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</configuration>
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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.msb.mapper;
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import com.msb.pojo.Dept;
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import org.apache.ibatis.annotations.Param;
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public interface DeptMapper {
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/**
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* 添加部门同时返回自增id
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* @param dept
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* @return
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*/
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int addDept(@Param("dept") Dept dept);
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Dept findDeptJoinEmpByDeptno(@Param("deptno")int deptno);
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}
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package com.msb.mapper;
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import com.msb.pojo.Emp;
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import org.apache.ibatis.annotations.Param;
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import java.util.List;
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public interface EmpMapper {
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/**
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* 查找所有员工
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* @return
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*/
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List<Emp>findAll();
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/**
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* 根据员工编号查询单个员工信息的方法
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*/
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Emp findEmpByNo(int empno);
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/**
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* 根据部门编号和薪资下限去查询员工信息
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*/
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List<Emp> findEmpByEmpnoAndSal(@Param("deptno") int deptno, @Param("sal") double sal);
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/**
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* 根据部门编号和薪资下限去查询员工信息
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* 参数使用 Emp实体对象
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* @param emp
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* @return
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*/
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List<Emp> findEmpByEmpnoAndSal2(@Param("emp") Emp emp);
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/**
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* 根据员工的名称进行模糊搜索
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* @param ename
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* @return
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*/
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List<Emp> findByName(@Param("ename")String ename);
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/**
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* 添加员工信息
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* @param emp
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* @return
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*/
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int addEmp(@Param("emp")Emp emp);
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/**
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* 根据员工编号修改员工名称
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* @param empno
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* @param ename
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* @return
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*/
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int updateNameByNo(@Param("empno")int empno, @Param("ename")String ename);
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/**
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* 根据员工编号删除员工
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* @param empno
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* @return
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*/
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int deleteByEmpno(@Param("empno")int empno);
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/**
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* 根据传入的参数的有无查询数据
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* @param emp
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* @return
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*/
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List<Emp> findByCondition(@Param("emp") Emp emp);
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/**
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* 根据给出的实体是否存在来更新员工信息
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* @param emp
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* @return
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*/
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int updateEmpByCondition(@Param("emp")Emp emp);
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/**
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* 根据员工编号数组查询员工
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* @param empnos
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* @return
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*/
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List<Emp> findByEmpnosArr(int[] empnos);
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/**
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* 根据员工编号列表查询员工
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* @param empnos
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* @return
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*/
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List<Emp> findByEmpnosList(List<Integer> empnos);
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Emp findEmpJoinDeptByEmpno(@Param("empno") int empno);
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}
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package com.msb.mapper;
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import com.msb.pojo.Project;
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import org.apache.ibatis.annotations.Param;
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public interface ProjectMapper {
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Project findProjectJoinEmpsByPid(@Param("pid") int pid);
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}
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package com.msb.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.util.List;
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@Data
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@NoArgsConstructor
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@AllArgsConstructor
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public class Dept {
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private Integer deptno;
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private String dname;
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private String loc;
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// 一对多的关系,部门的所有员工信息查到下面的属性
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private List<Emp> empList;
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}
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package com.msb.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.util.Date;
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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 empno;
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private String ename;
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private String job;
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private Integer mgr;
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private Date hiredate;
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private Double sal;
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private Double comn;
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private Integer deptno;
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// 一对一的关系,部门信息填充到该属性下
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private Dept dept;
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}
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package com.msb.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.util.List;
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@Data
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@NoArgsConstructor
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@AllArgsConstructor
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public class Project {
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private Integer pid;
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private String pname;
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private Integer money;
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private List<ProjectRecord> projectRecordList;
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}
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package com.msb.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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||||
@Data
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@NoArgsConstructor
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@AllArgsConstructor
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public class ProjectRecord {
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private Integer empno;
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private Integer pid;
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private Emp emp;
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}
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<?xml version="1.0" encoding="UTF-8" ?>
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<!DOCTYPE mapper
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PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
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"http://mybatis.org/dtd/mybatis-3-mapper.dtd">
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<mapper namespace="com.msb.mapper.DeptMapper">
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<!--
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useGeneratedKeys: 返回自增的主键
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keyProperty: 自定填充到实体对象中去
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-->
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<insert id="addDept" useGeneratedKeys="true" keyProperty="deptno">
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insert into dept values(DEFAULT, #{dept.dname}, #{dept.loc});
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</insert>
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<!-- 一对多的关系 resultMap -->
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<resultMap id="deptInfo" type="dept">
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<id column="deptno" property="deptno" />
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<result column="dname" property="dname" />
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<result column="loc" property="loc" />
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<collection property="empList" ofType="emp">
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<id column="empno" property="empno"/>
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<result column="ename" property="ename"/>
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<result column="job" property="job"/>
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<result column="mgr" property="mgr"/>
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<result column="hiredate" property="hiredate"/>
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<result column="sal" property="sal"/>
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<result column="comn" property="comn"/>
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<result column="deptno" property="deptno"/>
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</collection>
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||||
</resultMap>
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||||
<select id="findDeptJoinEmpByDeptno" resultMap="deptInfo">
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select * from dept d
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left join emp e on d.deptno=e.deptno
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||||
where d.deptno = #{deptno}
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||||
</select>
|
||||
</mapper>
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||||
<?xml version="1.0" encoding="UTF-8" ?>
|
||||
<!DOCTYPE mapper
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||||
PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
|
||||
"http://mybatis.org/dtd/mybatis-3-mapper.dtd">
|
||||
<mapper namespace="com.msb.mapper.EmpMapper">
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||||
<sql id="empColumn">empno,ename,job,mgr,hiredate,sal,comm,deptno</sql>
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||||
<sql id="empFrom">select <include refid="empColumn"/> from emp</sql>
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||||
<select id="findAll" resultType="emp">
|
||||
<include refid="empFrom" />
|
||||
</select>
|
||||
|
||||
<select id="findEmpByNo" resultType="emp" parameterType="int">
|
||||
<include refid="empFrom" /> where empno = #{empno}
|
||||
</select>
|
||||
|
||||
<select id="findEmpByEmpnoAndSal" resultType="emp">
|
||||
<include refid="empFrom" /> where deptno = #{deptno} and sal >= #{sal}
|
||||
</select>
|
||||
|
||||
<select id="findEmpByEmpnoAndSal2" resultType="emp" parameterType="emp">
|
||||
<include refid="empFrom" /> where deptno = #{emp.deptno} and sal >= #{emp.sal}
|
||||
</select>
|
||||
|
||||
<!-- 模糊查找-->
|
||||
<select id="findByName" resultType="emp">
|
||||
<include refid="empFrom" /> where ename like concat('%', #{ename}, '%');
|
||||
</select>
|
||||
|
||||
<insert id="addEmp" useGeneratedKeys="true" keyProperty="empno">
|
||||
insert into emp values
|
||||
(DEFAULT, #{emp.ename}, #{emp.job}, #{emp.mgr}, #{emp.hiredate}, #{emp.sal},#{emp.comn},#{emp.deptno})
|
||||
</insert>
|
||||
|
||||
<update id="updateNameByNo">
|
||||
update emp set ename=#{ename} where empno=#{empno};
|
||||
</update>
|
||||
|
||||
<delete id="deleteByEmpno">
|
||||
delete from emp where empno = #{empno}
|
||||
</delete>
|
||||
|
||||
<select id="findByCondition" resultType="emp">
|
||||
<include refid="empFrom" />
|
||||
<where>
|
||||
<if test="emp.empno != null">
|
||||
and empno = #{emp.empno}
|
||||
</if>
|
||||
<if test="emp.ename != null and emp.ename != ''">
|
||||
<bind name="likePattern" value="'%'+emp.ename+'%'"/>
|
||||
and ename like #{likePattern}
|
||||
</if>
|
||||
<if test="emp.job != null and emp.job != ''">
|
||||
and job = #{emp.job}
|
||||
</if>
|
||||
<if test="emp.mgr != null">
|
||||
and mgr = #{emp.mgr}
|
||||
</if>
|
||||
<if test="emp.hiredate != null">
|
||||
and hiredate = #{emp.hiredate}
|
||||
</if>
|
||||
<if test="emp.sal != null">
|
||||
and sal = #{emp.sal}
|
||||
</if>
|
||||
<if test="emp.deptno != null">
|
||||
and deptno = #{emp.deptno}
|
||||
</if>
|
||||
</where>
|
||||
</select>
|
||||
|
||||
<update id="updateEmpByCondition">
|
||||
update emp
|
||||
<set>
|
||||
<if test="emp.ename != null and emp.ename != ''">
|
||||
,ename = #{emp.ename}
|
||||
</if>
|
||||
<if test="emp.job != null">
|
||||
,job=#{emp.job}
|
||||
</if>
|
||||
<if test="emp.mgr != null">
|
||||
,mgr=#{emp.mgr}
|
||||
</if>
|
||||
<if test="emp.hiredate != null">
|
||||
,hiredate=#{emp.hiredate}
|
||||
</if>
|
||||
<if test="emp.sal != null">
|
||||
,sal=#{emp.sal}
|
||||
</if>
|
||||
<if test="emp.comn != null">
|
||||
,comn=#{emp.comn}
|
||||
</if>
|
||||
<if test="emp.deptno != null">
|
||||
,deptno=#{emp.deptno}
|
||||
</if>
|
||||
</set>
|
||||
where empno = #{emp.empno}
|
||||
</update>
|
||||
|
||||
<select id="findByEmpnosArr" resultType="emp">
|
||||
<include refid="empFrom"/> where empno in
|
||||
<foreach collection="array" separator="," open="(" close=")" item="empno">
|
||||
#{empno}
|
||||
</foreach>
|
||||
</select>
|
||||
|
||||
<select id="findByEmpnosList" resultType="emp">
|
||||
<include refid="empFrom"/> where empno in
|
||||
<foreach collection="list" separator="," open="(" close=")" item="empno">
|
||||
#{empno}
|
||||
</foreach>
|
||||
</select>
|
||||
|
||||
<!-- resultMap: 将字段映射到约定的属性上-->
|
||||
<resultMap id="empInfo" type="emp">
|
||||
<id column="empno" property="empno"/>
|
||||
<result column="ename" property="ename"/>
|
||||
<result column="job" property="job"/>
|
||||
<result column="mgr" property="mgr"/>
|
||||
<result column="hiredate" property="hiredate"/>
|
||||
<result column="sal" property="sal"/>
|
||||
<result column="comn" property="comn"/>
|
||||
<result column="deptno" property="deptno"/>
|
||||
<association property="dept" javaType="dept" >
|
||||
<id column="deptno" property="deptno" />
|
||||
<result column="dname" property="dname"/>
|
||||
<result column="loc" property="loc"/>
|
||||
</association>
|
||||
</resultMap>
|
||||
<select id="findEmpJoinDeptByEmpno" resultMap="empInfo">
|
||||
select * from emp
|
||||
left join dept d on emp.deptno = d.deptno
|
||||
where emp.empno = #{empno}
|
||||
</select>
|
||||
|
||||
|
||||
</mapper>
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@ -0,0 +1,33 @@
|
||||
<?xml version="1.0" encoding="UTF-8" ?>
|
||||
<!DOCTYPE mapper
|
||||
PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
|
||||
"http://mybatis.org/dtd/mybatis-3-mapper.dtd">
|
||||
<mapper namespace="com.msb.mapper.ProjectMapper">
|
||||
|
||||
<resultMap id="projectInfo" type="project">
|
||||
<id column="pid" property="pid"/>
|
||||
<result column="pname" property="pname"/>
|
||||
<result column="money" property="money"/>
|
||||
<collection property="projectRecordList" ofType="projectRecord">
|
||||
<id column="pid" property="pid" />
|
||||
<id column="empno" property="empno" />
|
||||
<association property="emp" javaType="emp">
|
||||
<id column="empno" property="empno"/>
|
||||
<result column="ename" property="ename"/>
|
||||
<result column="job" property="job"/>
|
||||
<result column="mgr" property="mgr"/>
|
||||
<result column="hiredate" property="hiredate"/>
|
||||
<result column="sal" property="sal"/>
|
||||
<result column="comn" property="comn"/>
|
||||
<result column="deptno" property="deptno"/>
|
||||
</association>
|
||||
</collection>
|
||||
</resultMap>
|
||||
|
||||
<select id="findProjectJoinEmpsByPid" resultMap="projectInfo">
|
||||
select * from project p
|
||||
left join projectrecord pr on pr.pid = p.pid
|
||||
left join emp e on e.empno = pr.empno
|
||||
where p.pid = #{pid}
|
||||
</select>
|
||||
</mapper>
|
@ -0,0 +1,4 @@
|
||||
jdbc_driver=com.mysql.cj.jdbc.Driver
|
||||
jdbc_url=jdbc:mysql://localhost:3306/mydb?useSSL=false&useUnicode=true&characterEncoding=UTF-8&serverTimezone=Asia/Shanghai
|
||||
jdbc_username=root
|
||||
jdbc_password=12345678
|
@ -0,0 +1,11 @@
|
||||
# debug
|
||||
log4j.rootLogger=debug,stdout
|
||||
|
||||
log4j.appender.stdout=org.apache.log4j.ConsoleAppender
|
||||
log4j.appender.stdout.Target=System.err
|
||||
log4j.appender.stdout.layout=org.apache.log4j.SimpleLayout
|
||||
|
||||
log4j.appender.logfile=org.apache.log4j.FileAppender
|
||||
log4j.appender.logfile.File=d:/msb.log
|
||||
log4j.appender.logfile.layout=org.apache.log4j.PatternLayout
|
||||
log4j.appender.logfile.layout.ConversionPattern=%d{yyyy-MM-dd HH:mm:ss} %l %F %p %m%n
|
@ -0,0 +1,28 @@
|
||||
<?xml version="1.0" encoding="UTF-8" ?>
|
||||
<!DOCTYPE configuration
|
||||
PUBLIC "-//mybatis.org//DTD Config 3.0//EN"
|
||||
"http://mybatis.org/dtd/mybatis-3-config.dtd">
|
||||
<configuration>
|
||||
<properties resource="jdbc.properties"/>
|
||||
<!-- 类型别名 -->
|
||||
<typeAliases>
|
||||
<package name="com.msb.pojo"/>
|
||||
</typeAliases>
|
||||
|
||||
<environments default="development">
|
||||
<environment id="development">
|
||||
<transactionManager type="JDBC"/>
|
||||
<dataSource type="POOLED">
|
||||
<property name="driver" value="${jdbc_driver}"/>
|
||||
<property name="url" value="${jdbc_url}"/>
|
||||
<property name="username" value="${jdbc_username}"/>
|
||||
<property name="password" value="${jdbc_password}"/>
|
||||
</dataSource>
|
||||
</environment>
|
||||
</environments>
|
||||
<mappers>
|
||||
<!-- <mapper class="com.msb.mapper.EmpMapper" />-->
|
||||
<!-- <mapper class="com.msb.mapper.DeptMapper" />-->
|
||||
<package name="com.msb.mapper"/>
|
||||
</mappers>
|
||||
</configuration>
|
@ -0,0 +1,57 @@
|
||||
package com.msb.test;
|
||||
|
||||
import com.msb.mapper.DeptMapper;
|
||||
import com.msb.mapper.EmpMapper;
|
||||
import com.msb.pojo.Dept;
|
||||
import com.msb.pojo.Emp;
|
||||
import org.apache.ibatis.io.Resources;
|
||||
import org.apache.ibatis.session.SqlSession;
|
||||
import org.apache.ibatis.session.SqlSessionFactory;
|
||||
import org.apache.ibatis.session.SqlSessionFactoryBuilder;
|
||||
import org.junit.After;
|
||||
import org.junit.Before;
|
||||
import org.junit.Test;
|
||||
|
||||
import java.io.IOException;
|
||||
import java.io.InputStream;
|
||||
import java.util.List;
|
||||
|
||||
public class TestDept {
|
||||
|
||||
private SqlSession sqlSession;
|
||||
|
||||
@Before
|
||||
public void init() throws IOException {
|
||||
SqlSessionFactoryBuilder sqlSessionFactoryBuilder = new SqlSessionFactoryBuilder();
|
||||
InputStream resource = Resources.getResourceAsStream("mybatis-config.xml");
|
||||
SqlSessionFactory sqlSessionFactory = sqlSessionFactoryBuilder.build(resource);
|
||||
sqlSession = sqlSessionFactory.openSession();
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testAddDept(){
|
||||
DeptMapper deptMapper = sqlSession.getMapper(DeptMapper.class);
|
||||
Dept dept = new Dept(null, "JAVA架构班", "深圳", null);
|
||||
int rows = deptMapper.addDept(dept);
|
||||
sqlSession.commit();
|
||||
System.out.println(rows);
|
||||
System.out.println(dept);
|
||||
}
|
||||
@Test
|
||||
public void testFindDeptJoinEmpByDeptno(){
|
||||
DeptMapper deptMapper = sqlSession.getMapper(DeptMapper.class);
|
||||
Dept dept = deptMapper.findDeptJoinEmpByDeptno(20);
|
||||
List<Emp> empList = dept.getEmpList();
|
||||
System.out.println(dept.getDeptno());
|
||||
System.out.println(dept.getDname());
|
||||
System.out.println(dept.getLoc());
|
||||
empList.forEach(System.out::println);
|
||||
}
|
||||
|
||||
|
||||
@After
|
||||
public void release(){
|
||||
sqlSession.close();
|
||||
}
|
||||
|
||||
}
|
@ -0,0 +1,136 @@
|
||||
package com.msb.test;
|
||||
|
||||
import com.msb.mapper.EmpMapper;
|
||||
import com.msb.pojo.Emp;
|
||||
import org.apache.ibatis.io.Resources;
|
||||
import org.apache.ibatis.session.SqlSession;
|
||||
import org.apache.ibatis.session.SqlSessionFactory;
|
||||
import org.apache.ibatis.session.SqlSessionFactoryBuilder;
|
||||
import org.junit.After;
|
||||
import org.junit.Before;
|
||||
import org.junit.Test;
|
||||
|
||||
import java.io.IOException;
|
||||
import java.io.InputStream;
|
||||
import java.util.*;
|
||||
|
||||
public class TestEmp {
|
||||
|
||||
private SqlSession sqlSession;
|
||||
|
||||
@Before
|
||||
public void init() throws IOException {
|
||||
SqlSessionFactoryBuilder sqlSessionFactoryBuilder = new SqlSessionFactoryBuilder();
|
||||
InputStream resource = Resources.getResourceAsStream("mybatis-config.xml");
|
||||
SqlSessionFactory sqlSessionFactory = sqlSessionFactoryBuilder.build(resource);
|
||||
sqlSession = sqlSessionFactory.openSession(true);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testFindAll(){
|
||||
EmpMapper empMapper = sqlSession.getMapper(EmpMapper.class);
|
||||
List<Emp> empList = empMapper.findAll();
|
||||
empList.forEach(System.out::println);
|
||||
}
|
||||
@Test
|
||||
public void testFindEmpByNo(){
|
||||
EmpMapper empMapper = sqlSession.getMapper(EmpMapper.class);
|
||||
Emp emp = empMapper.findEmpByNo(7936);
|
||||
System.out.println(emp);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testFindEmpByEmpnoAndSal(){
|
||||
EmpMapper empMapper = sqlSession.getMapper(EmpMapper.class);
|
||||
List<Emp> empList = empMapper.findEmpByEmpnoAndSal(20, 3000.0);
|
||||
empList.forEach(System.out::println);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testFindEmpByEmpnoAndSal2(){
|
||||
EmpMapper empMapper = sqlSession.getMapper(EmpMapper.class);
|
||||
Emp emp = new Emp();
|
||||
emp.setDeptno(20);
|
||||
emp.setSal(3000.0);
|
||||
List<Emp> empList = empMapper.findEmpByEmpnoAndSal2(emp);
|
||||
empList.forEach(System.out::println);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testFindByName(){
|
||||
EmpMapper empMapper = sqlSession.getMapper(EmpMapper.class);
|
||||
List<Emp> empList = empMapper.findByName("A");
|
||||
empList.forEach(System.out::println);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testAddEmp(){
|
||||
EmpMapper empMapper = sqlSession.getMapper(EmpMapper.class);
|
||||
Emp emp = new Emp(null, "小明", "java", 7833, new Date(), 18000.0, 2000.0, 20, null);
|
||||
int row = empMapper.addEmp(emp);
|
||||
System.out.println(row);
|
||||
System.out.println(emp);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testUpdateNameByNo(){
|
||||
EmpMapper empMapper = sqlSession.getMapper(EmpMapper.class);
|
||||
int row = empMapper.updateNameByNo(7936, "小黑");
|
||||
System.out.println(row);
|
||||
}
|
||||
@Test
|
||||
public void testDeleteByEmpno(){
|
||||
EmpMapper empMapper = sqlSession.getMapper(EmpMapper.class);
|
||||
int row = empMapper.deleteByEmpno(7936);
|
||||
System.out.println(row);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testFindByCondition(){
|
||||
EmpMapper empMapper = sqlSession.getMapper(EmpMapper.class);
|
||||
Emp emp = new Emp();
|
||||
emp.setDeptno(20);
|
||||
emp.setEname("A");
|
||||
List<Emp> empList = empMapper.findByCondition(emp);
|
||||
for(Emp empItem : empList){
|
||||
System.out.println(empItem);
|
||||
}
|
||||
}
|
||||
@Test
|
||||
public void testUpdateEmpByCondition(){
|
||||
EmpMapper empMapper = sqlSession.getMapper(EmpMapper.class);
|
||||
Emp emp = new Emp();
|
||||
emp.setEmpno(7939);
|
||||
emp.setDeptno(20);
|
||||
emp.setEname("A");
|
||||
int rows = empMapper.updateEmpByCondition(emp);
|
||||
System.out.println(rows);
|
||||
}
|
||||
@Test
|
||||
public void testFindByEmpnosArr(){
|
||||
EmpMapper empMapper = sqlSession.getMapper(EmpMapper.class);
|
||||
int[] empnos = {7902, 7934, 7939};
|
||||
List<Emp> empList = empMapper.findByEmpnosArr(empnos);
|
||||
empList.forEach(System.out::println);
|
||||
}
|
||||
@Test
|
||||
public void testFindByEmpnosList(){
|
||||
EmpMapper empMapper = sqlSession.getMapper(EmpMapper.class);
|
||||
List<Integer> empnos = new ArrayList<>();
|
||||
Collections.addAll(empnos, 7902, 7934, 7939);
|
||||
List<Emp> empList = empMapper.findByEmpnosList(empnos);
|
||||
empList.forEach(System.out::println);
|
||||
}
|
||||
@Test
|
||||
public void testFindEmpJoinDeptByEmpno(){
|
||||
EmpMapper empMapper = sqlSession.getMapper(EmpMapper.class);
|
||||
Emp emp = empMapper.findEmpJoinDeptByEmpno(7934);
|
||||
System.out.println(emp);
|
||||
}
|
||||
|
||||
@After
|
||||
public void release(){
|
||||
sqlSession.close();
|
||||
}
|
||||
|
||||
}
|
@ -0,0 +1,50 @@
|
||||
package com.msb.test;
|
||||
|
||||
import com.msb.mapper.DeptMapper;
|
||||
import com.msb.mapper.ProjectMapper;
|
||||
import com.msb.pojo.Dept;
|
||||
import com.msb.pojo.Emp;
|
||||
import com.msb.pojo.Project;
|
||||
import com.msb.pojo.ProjectRecord;
|
||||
import org.apache.ibatis.io.Resources;
|
||||
import org.apache.ibatis.session.SqlSession;
|
||||
import org.apache.ibatis.session.SqlSessionFactory;
|
||||
import org.apache.ibatis.session.SqlSessionFactoryBuilder;
|
||||
import org.junit.After;
|
||||
import org.junit.Before;
|
||||
import org.junit.Test;
|
||||
|
||||
import java.io.IOException;
|
||||
import java.io.InputStream;
|
||||
import java.util.List;
|
||||
|
||||
public class TestProject {
|
||||
|
||||
private SqlSession sqlSession;
|
||||
|
||||
@Before
|
||||
public void init() throws IOException {
|
||||
SqlSessionFactoryBuilder sqlSessionFactoryBuilder = new SqlSessionFactoryBuilder();
|
||||
InputStream resource = Resources.getResourceAsStream("mybatis-config.xml");
|
||||
SqlSessionFactory sqlSessionFactory = sqlSessionFactoryBuilder.build(resource);
|
||||
sqlSession = sqlSessionFactory.openSession();
|
||||
}
|
||||
@Test
|
||||
public void testFindDeptJoinEmpByDeptno(){
|
||||
ProjectMapper projectMapper = sqlSession.getMapper(ProjectMapper.class);
|
||||
Project project = projectMapper.findProjectJoinEmpsByPid(2);
|
||||
System.out.println(project.getPid());
|
||||
System.out.println(project.getPname());
|
||||
System.out.println(project.getMoney());
|
||||
List<ProjectRecord> projectRecordList = project.getProjectRecordList();
|
||||
projectRecordList.forEach(System.out::println);
|
||||
|
||||
}
|
||||
|
||||
|
||||
@After
|
||||
public void release(){
|
||||
sqlSession.close();
|
||||
}
|
||||
|
||||
}
|
@ -0,0 +1,38 @@
|
||||
target/
|
||||
!.mvn/wrapper/maven-wrapper.jar
|
||||
!**/src/main/**/target/
|
||||
!**/src/test/**/target/
|
||||
|
||||
### IntelliJ IDEA ###
|
||||
.idea/modules.xml
|
||||
.idea/jarRepositories.xml
|
||||
.idea/compiler.xml
|
||||
.idea/libraries/
|
||||
*.iws
|
||||
*.iml
|
||||
*.ipr
|
||||
|
||||
### Eclipse ###
|
||||
.apt_generated
|
||||
.classpath
|
||||
.factorypath
|
||||
.project
|
||||
.settings
|
||||
.springBeans
|
||||
.sts4-cache
|
||||
|
||||
### NetBeans ###
|
||||
/nbproject/private/
|
||||
/nbbuild/
|
||||
/dist/
|
||||
/nbdist/
|
||||
/.nb-gradle/
|
||||
build/
|
||||
!**/src/main/**/build/
|
||||
!**/src/test/**/build/
|
||||
|
||||
### VS Code ###
|
||||
.vscode/
|
||||
|
||||
### Mac OS ###
|
||||
.DS_Store
|
@ -0,0 +1,48 @@
|
||||
<?xml version="1.0" encoding="UTF-8"?>
|
||||
<project xmlns="http://maven.apache.org/POM/4.0.0"
|
||||
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
|
||||
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
|
||||
<modelVersion>4.0.0</modelVersion>
|
||||
|
||||
<groupId>com.msb.springmvc</groupId>
|
||||
<artifactId>mybatis_01</artifactId>
|
||||
<version>1.0-SNAPSHOT</version>
|
||||
<dependencies>
|
||||
<!--mysqlConnector-->
|
||||
<dependency>
|
||||
<groupId>mysql</groupId>
|
||||
<artifactId>mysql-connector-java</artifactId>
|
||||
<version>8.0.16</version>
|
||||
</dependency>
|
||||
<!--mybatis 核心jar包-->
|
||||
<dependency>
|
||||
<groupId>org.mybatis</groupId>
|
||||
<artifactId>mybatis</artifactId>
|
||||
<version>3.5.3</version>
|
||||
</dependency>
|
||||
<!--junit-->
|
||||
<dependency>
|
||||
<groupId>junit</groupId>
|
||||
<artifactId>junit</artifactId>
|
||||
<version>4.13.1</version>
|
||||
<scope>test</scope>
|
||||
</dependency>
|
||||
<!--lombok -->
|
||||
<dependency>
|
||||
<groupId>org.projectlombok</groupId>
|
||||
<artifactId>lombok</artifactId>
|
||||
<version>1.18.12</version>
|
||||
<scope>provided</scope>
|
||||
</dependency>
|
||||
|
||||
<!--日志的依赖 log4j -->
|
||||
<dependency>
|
||||
<groupId>log4j</groupId>
|
||||
<artifactId>log4j</artifactId>
|
||||
<version>1.2.17</version>
|
||||
</dependency>
|
||||
|
||||
|
||||
</dependencies>
|
||||
|
||||
</project>
|
@ -0,0 +1,14 @@
|
||||
package com.msb.pojo;
|
||||
|
||||
import lombok.AllArgsConstructor;
|
||||
import lombok.Data;
|
||||
import lombok.NoArgsConstructor;
|
||||
|
||||
@Data
|
||||
@NoArgsConstructor
|
||||
@AllArgsConstructor
|
||||
public class Dept {
|
||||
private Integer deptno;
|
||||
private String dname;
|
||||
private String loc;
|
||||
}
|
@ -0,0 +1,23 @@
|
||||
package com.msb.pojo;
|
||||
|
||||
import lombok.AllArgsConstructor;
|
||||
import lombok.Data;
|
||||
import lombok.NoArgsConstructor;
|
||||
|
||||
import java.util.Date;
|
||||
|
||||
|
||||
@Data
|
||||
@NoArgsConstructor
|
||||
@AllArgsConstructor
|
||||
public class Emp {
|
||||
private Integer empno;
|
||||
private String ename;
|
||||
private String job;
|
||||
private Integer mgr;
|
||||
private Date hiredate;
|
||||
private Double sal;
|
||||
private Double comn;
|
||||
private Integer deptno;
|
||||
|
||||
}
|
@ -0,0 +1,9 @@
|
||||
<?xml version="1.0" encoding="UTF-8" ?>
|
||||
<!DOCTYPE mapper
|
||||
PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
|
||||
"http://mybatis.org/dtd/mybatis-3-mapper.dtd">
|
||||
<mapper namespace="DeptMapper">
|
||||
<select id="findAll" resultType="dept">
|
||||
select * from dept;
|
||||
</select>
|
||||
</mapper>
|
@ -0,0 +1,27 @@
|
||||
<?xml version="1.0" encoding="UTF-8" ?>
|
||||
<!DOCTYPE mapper
|
||||
PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
|
||||
"http://mybatis.org/dtd/mybatis-3-mapper.dtd">
|
||||
<mapper namespace="DmlEmpMapper">
|
||||
<!-- 增加员工
|
||||
public int addEmp(Emp emp)
|
||||
-->
|
||||
<insert id="addEmp" parameterType="emp">
|
||||
insert into emp values (DEFAULT, #{ename}, #{job}, #{mgr}, #{hiredate}, #{sal}, #{comn}, #{deptno});
|
||||
</insert>
|
||||
|
||||
<!-- 根据工号修改员工姓名
|
||||
public int updateEmpName(Emp emp)
|
||||
-->
|
||||
<update id="updateEmpName" parameterType="emp">
|
||||
update emp set ename = #{ename} where empno = #{empno}
|
||||
</update>
|
||||
|
||||
<!-- 根据员工编号删除员工信息
|
||||
public int deleteByEmpno(int empno)
|
||||
-->
|
||||
<delete id="deleteByEmpno" parameterType="int">
|
||||
delete from emp where empno=#{empno}
|
||||
</delete>
|
||||
|
||||
</mapper>
|
@ -0,0 +1,36 @@
|
||||
<?xml version="1.0" encoding="UTF-8" ?>
|
||||
<!DOCTYPE mapper
|
||||
PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
|
||||
"http://mybatis.org/dtd/mybatis-3-mapper.dtd">
|
||||
<mapper namespace="ParamEmpMapper">
|
||||
|
||||
<!-- 根据员工id查找记录
|
||||
public Emp findEmpByNo(int empno);
|
||||
#{} : preparedStatement语句对象,参数使用?作为占位符处理
|
||||
${} : tatment语句对象,参数是以字符串拼接的形式设置
|
||||
-->
|
||||
<select id="findEmpByNo" resultType="emp" parameterType="integer">
|
||||
<!-- select * from emp where empno = #{empno} => select * from emp where empno = ?-->
|
||||
<!-- select * from emp where empno = ${empno} => select * from emp where empno = 7369 -->
|
||||
select * from emp where empno = #{empno}
|
||||
</select>
|
||||
|
||||
<!-- 查询指定部门号和指定最低薪资的员工信息
|
||||
public List<emp> findEmpByDeptnoAndSal(int deptno, double sal);
|
||||
多个参数使用map的方式传递
|
||||
map<String, Object>
|
||||
-->
|
||||
<select id="findEmpByDeptnoAndSal" resultType="emp" parameterType="map">
|
||||
select * from emp where deptno = #{deptno} and sal >= #{sal}
|
||||
</select>
|
||||
|
||||
<!-- 查询指定部门号和指定最低薪资的员工信息
|
||||
参数为对象
|
||||
public List<emp> findEmpByObj (Emp emp);
|
||||
-->
|
||||
<select id="findEmpByObj" resultType="emp" parameterType="emp">
|
||||
select * from emp where deptno = #{deptno} and sal >= #{sal}
|
||||
</select>
|
||||
|
||||
|
||||
</mapper>
|
@ -0,0 +1,4 @@
|
||||
jdbc_driver=com.mysql.cj.jdbc.Driver
|
||||
jdbc_url=jdbc:mysql://localhost:3306/mydb?useSSL=false&useUnicode=true&characterEncoding=UTF-8&serverTimezone=Asia/Shanghai
|
||||
jdbc_username=root
|
||||
jdbc_password=12345678
|
@ -0,0 +1,11 @@
|
||||
# debug
|
||||
log4j.rootLogger=debug,stdout
|
||||
|
||||
log4j.appender.stdout=org.apache.log4j.ConsoleAppender
|
||||
log4j.appender.stdout.Target=System.err
|
||||
log4j.appender.stdout.layout=org.apache.log4j.SimpleLayout
|
||||
|
||||
log4j.appender.logfile=org.apache.log4j.FileAppender
|
||||
log4j.appender.logfile.File=d:/msb.log
|
||||
log4j.appender.logfile.layout=org.apache.log4j.PatternLayout
|
||||
log4j.appender.logfile.layout.ConversionPattern=%d{yyyy-MM-dd HH:mm:ss} %l %F %p %m%n
|
@ -0,0 +1,29 @@
|
||||
<?xml version="1.0" encoding="UTF-8" ?>
|
||||
<!DOCTYPE configuration
|
||||
PUBLIC "-//mybatis.org//DTD Config 3.0//EN"
|
||||
"http://mybatis.org/dtd/mybatis-3-config.dtd">
|
||||
<configuration>
|
||||
<properties resource="jdbc.properties"/>
|
||||
<!-- 类型别名 -->
|
||||
<typeAliases>
|
||||
<package name="com.msb.pojo"/>
|
||||
</typeAliases>
|
||||
|
||||
<environments default="development">
|
||||
<environment id="development">
|
||||
<transactionManager type="JDBC"/>
|
||||
<dataSource type="POOLED">
|
||||
<property name="driver" value="${jdbc_driver}"/>
|
||||
<property name="url" value="${jdbc_url}"/>
|
||||
<property name="username" value="${jdbc_username}"/>
|
||||
<property name="password" value="${jdbc_password}"/>
|
||||
</dataSource>
|
||||
</environment>
|
||||
</environments>
|
||||
<mappers>
|
||||
<mapper resource="com/msb/mapper/DeptMapper.xml"/>
|
||||
<mapper resource="com/msb/mapper/EmpMapper.xml"/>
|
||||
<mapper resource="com/msb/mapper/ParamEmpMapper.xml"/>
|
||||
<mapper resource="com/msb/mapper/DmlEmpMapper.xml"/>
|
||||
</mappers>
|
||||
</configuration>
|
@ -0,0 +1,41 @@
|
||||
package com.msb.test;
|
||||
|
||||
import com.msb.pojo.Dept;
|
||||
import org.apache.ibatis.io.Resources;
|
||||
import org.apache.ibatis.session.SqlSession;
|
||||
import org.apache.ibatis.session.SqlSessionFactory;
|
||||
import org.apache.ibatis.session.SqlSessionFactoryBuilder;
|
||||
import org.junit.After;
|
||||
import org.junit.Before;
|
||||
import org.junit.Test;
|
||||
|
||||
import java.io.IOException;
|
||||
import java.io.InputStream;
|
||||
import java.util.List;
|
||||
|
||||
public class DemoTest {
|
||||
|
||||
private SqlSession sqlSession;
|
||||
|
||||
@Before
|
||||
public void init() throws IOException {
|
||||
SqlSessionFactoryBuilder sqlSessionFactoryBuilder = new SqlSessionFactoryBuilder();
|
||||
InputStream stream = Resources.getResourceAsStream("mybatis-config.xml");
|
||||
SqlSessionFactory sqlSessionFactory = sqlSessionFactoryBuilder.build(stream);
|
||||
sqlSession = sqlSessionFactory.openSession();
|
||||
}
|
||||
|
||||
|
||||
@Test
|
||||
public void testDeptFindAll(){
|
||||
List<Dept> deptList = sqlSession.selectList("findAll");
|
||||
for (Dept dept: deptList) {
|
||||
System.out.println(dept);
|
||||
}
|
||||
}
|
||||
|
||||
@After
|
||||
public void release(){
|
||||
sqlSession.close();
|
||||
}
|
||||
}
|
@ -0,0 +1,63 @@
|
||||
package com.msb.test;
|
||||
|
||||
import com.msb.pojo.Emp;
|
||||
import org.apache.ibatis.io.Resources;
|
||||
import org.apache.ibatis.session.SqlSession;
|
||||
import org.apache.ibatis.session.SqlSessionFactory;
|
||||
import org.apache.ibatis.session.SqlSessionFactoryBuilder;
|
||||
import org.junit.After;
|
||||
import org.junit.Before;
|
||||
import org.junit.Test;
|
||||
|
||||
import java.io.IOException;
|
||||
import java.io.InputStream;
|
||||
import java.util.Date;
|
||||
import java.util.HashMap;
|
||||
import java.util.List;
|
||||
import java.util.Map;
|
||||
|
||||
public class DmlEmpTest {
|
||||
|
||||
private SqlSession sqlSession;
|
||||
|
||||
@Before
|
||||
public void init() throws IOException {
|
||||
SqlSessionFactoryBuilder sqlSessionFactoryBuilder = new SqlSessionFactoryBuilder();
|
||||
InputStream stream = Resources.getResourceAsStream("mybatis-config.xml");
|
||||
SqlSessionFactory sqlSessionFactory = sqlSessionFactoryBuilder.build(stream);
|
||||
sqlSession = sqlSessionFactory.openSession(true);
|
||||
}
|
||||
|
||||
|
||||
@Test
|
||||
public void testAddEmp() {
|
||||
// insert方法
|
||||
Emp emp = new Emp(null, "demo", "java", 7899, new Date(), 20000.0, 1000.0, 20);
|
||||
int rows = sqlSession.insert("addEmp", emp);
|
||||
System.out.println(rows);
|
||||
|
||||
// sqlSession 在增删改操作的时候默认开启事务处理,如果没有手动提交事务,会自动回滚事务
|
||||
// sqlSession.commit(); // 手动提交事务
|
||||
// 也可以设置自动提交事务操作
|
||||
// sqlSession = sqlSessionFactory.openSession(true);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testUpdateEmpName(){
|
||||
Emp emp = new Emp();
|
||||
emp.setEmpno(7937);
|
||||
emp.setEname("了不起的Java");
|
||||
int row = sqlSession.update("updateEmpName", emp);
|
||||
System.out.println(row);
|
||||
}
|
||||
@Test
|
||||
public void testDeleteByEmpno(){
|
||||
int row = sqlSession.delete("deleteByEmpno", 7937);
|
||||
System.out.println(row);
|
||||
}
|
||||
|
||||
@After
|
||||
public void release(){
|
||||
sqlSession.close();
|
||||
}
|
||||
}
|
@ -0,0 +1,60 @@
|
||||
package com.msb.test;
|
||||
|
||||
import com.msb.pojo.Dept;
|
||||
import com.msb.pojo.Emp;
|
||||
import org.apache.ibatis.io.Resources;
|
||||
import org.apache.ibatis.session.SqlSession;
|
||||
import org.apache.ibatis.session.SqlSessionFactory;
|
||||
import org.apache.ibatis.session.SqlSessionFactoryBuilder;
|
||||
import org.junit.After;
|
||||
import org.junit.Before;
|
||||
import org.junit.Test;
|
||||
|
||||
import java.io.IOException;
|
||||
import java.io.InputStream;
|
||||
import java.util.List;
|
||||
import java.util.Map;
|
||||
import java.util.Set;
|
||||
|
||||
public class EmpTest {
|
||||
|
||||
private SqlSession sqlSession;
|
||||
|
||||
@Before
|
||||
public void init() throws IOException {
|
||||
SqlSessionFactoryBuilder sqlSessionFactoryBuilder = new SqlSessionFactoryBuilder();
|
||||
InputStream stream = Resources.getResourceAsStream("mybatis-config.xml");
|
||||
SqlSessionFactory sqlSessionFactory = sqlSessionFactoryBuilder.build(stream);
|
||||
sqlSession = sqlSessionFactory.openSession();
|
||||
}
|
||||
|
||||
|
||||
@Test
|
||||
public void testFindAll() {
|
||||
// selectList
|
||||
List<Emp> empList = sqlSession.selectList("EmpMapper.findAll");
|
||||
empList.forEach(System.out::println);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testFindOne() {
|
||||
// selectOne
|
||||
Emp emp = sqlSession.selectOne("EmpMapper.findOne");
|
||||
System.out.println(emp);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testFindEmpMap() {
|
||||
// selectMap
|
||||
Map<Integer, Emp> empMap = sqlSession.selectMap("findEmpMap", "EMPNO");
|
||||
Set<Integer> keys = empMap.keySet();
|
||||
for(Integer key: keys){
|
||||
System.out.println( key+ " :" +empMap.get(key));
|
||||
}
|
||||
}
|
||||
|
||||
@After
|
||||
public void release(){
|
||||
sqlSession.close();
|
||||
}
|
||||
}
|
Loading…
Reference in new issue