diff --git a/mybaits_02/.gitignore b/mybaits_02/.gitignore new file mode 100644 index 0000000..5ff6309 --- /dev/null +++ b/mybaits_02/.gitignore @@ -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 \ No newline at end of file diff --git a/mybaits_02/pom.xml b/mybaits_02/pom.xml new file mode 100644 index 0000000..888c7ab --- /dev/null +++ b/mybaits_02/pom.xml @@ -0,0 +1,60 @@ + + + 4.0.0 + + com.msb.springmvc + mybaits_02 + 1.0-SNAPSHOT + + + + mysql + mysql-connector-java + 8.0.16 + + + + org.mybatis + mybatis + 3.5.3 + + + + junit + junit + 4.13.1 + test + + + + org.projectlombok + lombok + 1.18.12 + provided + + + + + log4j + log4j + 1.2.17 + + + + + + + + org.apache.maven.plugins + maven-compiler-plugin + + 8 + 8 + + + + + + \ No newline at end of file diff --git a/mybaits_02/src/main/java/com/msb/mapper/DeptMapper.java b/mybaits_02/src/main/java/com/msb/mapper/DeptMapper.java new file mode 100644 index 0000000..6ed638e --- /dev/null +++ b/mybaits_02/src/main/java/com/msb/mapper/DeptMapper.java @@ -0,0 +1,16 @@ +package com.msb.mapper; + +import com.msb.pojo.Dept; +import org.apache.ibatis.annotations.Param; + +public interface DeptMapper { + + /** + * 添加部门同时返回自增id + * @param dept + * @return + */ + int addDept(@Param("dept") Dept dept); + + Dept findDeptJoinEmpByDeptno(@Param("deptno")int deptno); +} diff --git a/mybaits_02/src/main/java/com/msb/mapper/EmpMapper.java b/mybaits_02/src/main/java/com/msb/mapper/EmpMapper.java new file mode 100644 index 0000000..61af857 --- /dev/null +++ b/mybaits_02/src/main/java/com/msb/mapper/EmpMapper.java @@ -0,0 +1,95 @@ +package com.msb.mapper; + +import com.msb.pojo.Emp; +import org.apache.ibatis.annotations.Param; + +import java.util.List; + +public interface EmpMapper { + /** + * 查找所有员工 + * @return + */ + ListfindAll(); + + /** + * 根据员工编号查询单个员工信息的方法 + */ + Emp findEmpByNo(int empno); + + /** + * 根据部门编号和薪资下限去查询员工信息 + */ + List findEmpByEmpnoAndSal(@Param("deptno") int deptno, @Param("sal") double sal); + + /** + * 根据部门编号和薪资下限去查询员工信息 + * 参数使用 Emp实体对象 + * @param emp + * @return + */ + List findEmpByEmpnoAndSal2(@Param("emp") Emp emp); + + + /** + * 根据员工的名称进行模糊搜索 + * @param ename + * @return + */ + List findByName(@Param("ename")String ename); + + + /** + * 添加员工信息 + * @param emp + * @return + */ + int addEmp(@Param("emp")Emp emp); + + + /** + * 根据员工编号修改员工名称 + * @param empno + * @param ename + * @return + */ + int updateNameByNo(@Param("empno")int empno, @Param("ename")String ename); + + /** + * 根据员工编号删除员工 + * @param empno + * @return + */ + + int deleteByEmpno(@Param("empno")int empno); + + /** + * 根据传入的参数的有无查询数据 + * @param emp + * @return + */ + List findByCondition(@Param("emp") Emp emp); + + /** + * 根据给出的实体是否存在来更新员工信息 + * @param emp + * @return + */ + int updateEmpByCondition(@Param("emp")Emp emp); + + /** + * 根据员工编号数组查询员工 + * @param empnos + * @return + */ + List findByEmpnosArr(int[] empnos); + + /** + * 根据员工编号列表查询员工 + * @param empnos + * @return + */ + List findByEmpnosList(List empnos); + + Emp findEmpJoinDeptByEmpno(@Param("empno") int empno); +} diff --git a/mybaits_02/src/main/java/com/msb/mapper/ProjectMapper.java b/mybaits_02/src/main/java/com/msb/mapper/ProjectMapper.java new file mode 100644 index 0000000..b1fda31 --- /dev/null +++ b/mybaits_02/src/main/java/com/msb/mapper/ProjectMapper.java @@ -0,0 +1,8 @@ +package com.msb.mapper; + +import com.msb.pojo.Project; +import org.apache.ibatis.annotations.Param; + +public interface ProjectMapper { + Project findProjectJoinEmpsByPid(@Param("pid") int pid); +} diff --git a/mybaits_02/src/main/java/com/msb/pojo/Dept.java b/mybaits_02/src/main/java/com/msb/pojo/Dept.java new file mode 100644 index 0000000..00f143d --- /dev/null +++ b/mybaits_02/src/main/java/com/msb/pojo/Dept.java @@ -0,0 +1,19 @@ +package com.msb.pojo; + +import lombok.AllArgsConstructor; +import lombok.Data; +import lombok.NoArgsConstructor; + +import java.util.List; + +@Data +@NoArgsConstructor +@AllArgsConstructor +public class Dept { + private Integer deptno; + private String dname; + private String loc; + + // 一对多的关系，部门的所有员工信息查到下面的属性 + private List empList; +} diff --git a/mybaits_02/src/main/java/com/msb/pojo/Emp.java b/mybaits_02/src/main/java/com/msb/pojo/Emp.java new file mode 100644 index 0000000..7df449b --- /dev/null +++ b/mybaits_02/src/main/java/com/msb/pojo/Emp.java @@ -0,0 +1,26 @@ +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; + + // 一对一的关系，部门信息填充到该属性下 + private Dept dept; + +} diff --git a/mybaits_02/src/main/java/com/msb/pojo/Project.java b/mybaits_02/src/main/java/com/msb/pojo/Project.java new file mode 100644 index 0000000..fc45fae --- /dev/null +++ b/mybaits_02/src/main/java/com/msb/pojo/Project.java @@ -0,0 +1,18 @@ +package com.msb.pojo; + +import lombok.AllArgsConstructor; +import lombok.Data; +import lombok.NoArgsConstructor; + +import java.util.List; + +@Data +@NoArgsConstructor +@AllArgsConstructor +public class Project { + private Integer pid; + private String pname; + private Integer money; + + private List projectRecordList; +} diff --git a/mybaits_02/src/main/java/com/msb/pojo/ProjectRecord.java b/mybaits_02/src/main/java/com/msb/pojo/ProjectRecord.java new file mode 100644 index 0000000..a301551 --- /dev/null +++ b/mybaits_02/src/main/java/com/msb/pojo/ProjectRecord.java @@ -0,0 +1,15 @@ +package com.msb.pojo; + +import lombok.AllArgsConstructor; +import lombok.Data; +import lombok.NoArgsConstructor; + +@Data +@NoArgsConstructor +@AllArgsConstructor +public class ProjectRecord { + private Integer empno; + private Integer pid; + + private Emp emp; +} diff --git a/mybaits_02/src/main/resources/com/msb/mapper/DeptMapper.xml b/mybaits_02/src/main/resources/com/msb/mapper/DeptMapper.xml new file mode 100644 index 0000000..3b7eaa8 --- /dev/null +++ b/mybaits_02/src/main/resources/com/msb/mapper/DeptMapper.xml @@ -0,0 +1,35 @@ + + + + + + insert into dept values(DEFAULT, #{dept.dname}, #{dept.loc}); + + + + + + + + + + + + + + + + + + + + \ No newline at end of file diff --git a/mybaits_02/src/main/resources/com/msb/mapper/EmpMapper.xml b/mybaits_02/src/main/resources/com/msb/mapper/EmpMapper.xml new file mode 100644 index 0000000..703fb6f --- /dev/null +++ b/mybaits_02/src/main/resources/com/msb/mapper/EmpMapper.xml @@ -0,0 +1,135 @@ + + + + empno,ename,job,mgr,hiredate,sal,comm,deptno + select from emp + + + + + + + + + + + + + insert into emp values +(DEFAULT, #{emp.ename}, #{emp.job}, #{emp.mgr}, #{emp.hiredate}, #{emp.sal},#{emp.comn},#{emp.deptno}) + + + + update emp set ename=#{ename} where empno=#{empno}; + + + + delete from emp where empno = #{empno} + + + + + + update emp + + + ,ename = #{emp.ename} + + + ,job=#{emp.job} + + + ,mgr=#{emp.mgr} + + + ,hiredate=#{emp.hiredate} + + + ,sal=#{emp.sal} + + + ,comn=#{emp.comn} + + + ,deptno=#{emp.deptno} + + + where empno = #{emp.empno} + + + + + + + + + + + + + + + + + + + + + + + + + + \ No newline at end of file diff --git a/mybaits_02/src/main/resources/com/msb/mapper/ProjectMapper.xml b/mybaits_02/src/main/resources/com/msb/mapper/ProjectMapper.xml new file mode 100644 index 0000000..e822210 --- /dev/null +++ b/mybaits_02/src/main/resources/com/msb/mapper/ProjectMapper.xml @@ -0,0 +1,33 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + \ No newline at end of file diff --git a/mybaits_02/src/main/resources/jdbc.properties b/mybaits_02/src/main/resources/jdbc.properties new file mode 100644 index 0000000..7efc6bf --- /dev/null +++ b/mybaits_02/src/main/resources/jdbc.properties @@ -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 \ No newline at end of file diff --git a/mybaits_02/src/main/resources/log4j.properties b/mybaits_02/src/main/resources/log4j.properties new file mode 100644 index 0000000..964d98e --- /dev/null +++ b/mybaits_02/src/main/resources/log4j.properties @@ -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 \ No newline at end of file diff --git a/mybaits_02/src/main/resources/mybatis-config.xml b/mybaits_02/src/main/resources/mybatis-config.xml new file mode 100644 index 0000000..bbbfbc9 --- /dev/null +++ b/mybaits_02/src/main/resources/mybatis-config.xml @@ -0,0 +1,28 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + \ No newline at end of file diff --git a/mybaits_02/src/test/java/com/msb/test/TestDept.java b/mybaits_02/src/test/java/com/msb/test/TestDept.java new file mode 100644 index 0000000..a5dbbfb --- /dev/null +++ b/mybaits_02/src/test/java/com/msb/test/TestDept.java @@ -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 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(); + } + +} diff --git a/mybaits_02/src/test/java/com/msb/test/TestEmp.java b/mybaits_02/src/test/java/com/msb/test/TestEmp.java new file mode 100644 index 0000000..e82ff14 --- /dev/null +++ b/mybaits_02/src/test/java/com/msb/test/TestEmp.java @@ -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 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 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 empList = empMapper.findEmpByEmpnoAndSal2(emp); + empList.forEach(System.out::println); + } + + @Test + public void testFindByName(){ + EmpMapper empMapper = sqlSession.getMapper(EmpMapper.class); + List 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 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 empList = empMapper.findByEmpnosArr(empnos); + empList.forEach(System.out::println); + } + @Test + public void testFindByEmpnosList(){ + EmpMapper empMapper = sqlSession.getMapper(EmpMapper.class); + List empnos = new ArrayList<>(); + Collections.addAll(empnos, 7902, 7934, 7939); + List 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(); + } + +} diff --git a/mybaits_02/src/test/java/com/msb/test/TestProject.java b/mybaits_02/src/test/java/com/msb/test/TestProject.java new file mode 100644 index 0000000..f7b6fdf --- /dev/null +++ b/mybaits_02/src/test/java/com/msb/test/TestProject.java @@ -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 projectRecordList = project.getProjectRecordList(); + projectRecordList.forEach(System.out::println); + + } + + + @After + public void release(){ + sqlSession.close(); + } + +} diff --git a/mybatis_01/.gitignore b/mybatis_01/.gitignore new file mode 100644 index 0000000..5ff6309 --- /dev/null +++ b/mybatis_01/.gitignore @@ -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 \ No newline at end of file diff --git a/mybatis_01/pom.xml b/mybatis_01/pom.xml new file mode 100644 index 0000000..8b6f262 --- /dev/null +++ b/mybatis_01/pom.xml @@ -0,0 +1,48 @@ + + + 4.0.0 + + com.msb.springmvc + mybatis_01 + 1.0-SNAPSHOT + + + + mysql + mysql-connector-java + 8.0.16 + + + + org.mybatis + mybatis + 3.5.3 + + + + junit + junit + 4.13.1 + test + + + + org.projectlombok + lombok + 1.18.12 + provided + + + + + log4j + log4j + 1.2.17 + + + + + + \ No newline at end of file diff --git a/mybatis_01/src/main/java/com/msb/pojo/Dept.java b/mybatis_01/src/main/java/com/msb/pojo/Dept.java new file mode 100644 index 0000000..42adf2d --- /dev/null +++ b/mybatis_01/src/main/java/com/msb/pojo/Dept.java @@ -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; +} diff --git a/mybatis_01/src/main/java/com/msb/pojo/Emp.java b/mybatis_01/src/main/java/com/msb/pojo/Emp.java new file mode 100644 index 0000000..3fac0e5 --- /dev/null +++ b/mybatis_01/src/main/java/com/msb/pojo/Emp.java @@ -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; + +} diff --git a/mybatis_01/src/main/resources/com/msb/mapper/DeptMapper.xml b/mybatis_01/src/main/resources/com/msb/mapper/DeptMapper.xml new file mode 100644 index 0000000..021dbaf --- /dev/null +++ b/mybatis_01/src/main/resources/com/msb/mapper/DeptMapper.xml @@ -0,0 +1,9 @@ + + + + + \ No newline at end of file diff --git a/mybatis_01/src/main/resources/com/msb/mapper/DmlEmpMapper.xml b/mybatis_01/src/main/resources/com/msb/mapper/DmlEmpMapper.xml new file mode 100644 index 0000000..3b02d68 --- /dev/null +++ b/mybatis_01/src/main/resources/com/msb/mapper/DmlEmpMapper.xml @@ -0,0 +1,27 @@ + + + + + + insert into emp values (DEFAULT, #{ename}, #{job}, #{mgr}, #{hiredate}, #{sal}, #{comn}, #{deptno}); + + + + + update emp set ename = #{ename} where empno = #{empno} + + + + + delete from emp where empno=#{empno} + + + \ No newline at end of file diff --git a/mybatis_01/src/main/resources/com/msb/mapper/EmpMapper.xml b/mybatis_01/src/main/resources/com/msb/mapper/EmpMapper.xml new file mode 100644 index 0000000..6499f4f --- /dev/null +++ b/mybatis_01/src/main/resources/com/msb/mapper/EmpMapper.xml @@ -0,0 +1,30 @@ + + + + + + + + + + + + + \ No newline at end of file diff --git a/mybatis_01/src/main/resources/com/msb/mapper/ParamEmpMapper.xml b/mybatis_01/src/main/resources/com/msb/mapper/ParamEmpMapper.xml new file mode 100644 index 0000000..74d62b2 --- /dev/null +++ b/mybatis_01/src/main/resources/com/msb/mapper/ParamEmpMapper.xml @@ -0,0 +1,36 @@ + + + + + + + + + + + + + + + \ No newline at end of file diff --git a/mybatis_01/src/main/resources/jdbc.properties b/mybatis_01/src/main/resources/jdbc.properties new file mode 100644 index 0000000..7efc6bf --- /dev/null +++ b/mybatis_01/src/main/resources/jdbc.properties @@ -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 \ No newline at end of file diff --git a/mybatis_01/src/main/resources/log4j.properties b/mybatis_01/src/main/resources/log4j.properties new file mode 100644 index 0000000..964d98e --- /dev/null +++ b/mybatis_01/src/main/resources/log4j.properties @@ -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 \ No newline at end of file diff --git a/mybatis_01/src/main/resources/mybatis-config.xml b/mybatis_01/src/main/resources/mybatis-config.xml new file mode 100644 index 0000000..3006107 --- /dev/null +++ b/mybatis_01/src/main/resources/mybatis-config.xml @@ -0,0 +1,29 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + \ No newline at end of file diff --git a/mybatis_01/src/test/java/com/msb/test/DemoTest.java b/mybatis_01/src/test/java/com/msb/test/DemoTest.java new file mode 100644 index 0000000..407a38b --- /dev/null +++ b/mybatis_01/src/test/java/com/msb/test/DemoTest.java @@ -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 deptList = sqlSession.selectList("findAll"); + for (Dept dept: deptList) { + System.out.println(dept); + } + } + + @After + public void release(){ + sqlSession.close(); + } +} diff --git a/mybatis_01/src/test/java/com/msb/test/DmlEmpTest.java b/mybatis_01/src/test/java/com/msb/test/DmlEmpTest.java new file mode 100644 index 0000000..9fef7df --- /dev/null +++ b/mybatis_01/src/test/java/com/msb/test/DmlEmpTest.java @@ -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(); + } +} diff --git a/mybatis_01/src/test/java/com/msb/test/EmpTest.java b/mybatis_01/src/test/java/com/msb/test/EmpTest.java new file mode 100644 index 0000000..3f3a505 --- /dev/null +++ b/mybatis_01/src/test/java/com/msb/test/EmpTest.java @@ -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 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 empMap = sqlSession.selectMap("findEmpMap", "EMPNO"); + Set keys = empMap.keySet(); + for(Integer key: keys){ + System.out.println( key+ " :" +empMap.get(key)); + } + } + + @After + public void release(){ + sqlSession.close(); + } +} diff --git a/mybatis_01/src/test/java/com/msb/test/ParamEmpTest.java b/mybatis_01/src/test/java/com/msb/test/ParamEmpTest.java new file mode 100644 index 0000000..bcd0603 --- /dev/null +++ b/mybatis_01/src/test/java/com/msb/test/ParamEmpTest.java @@ -0,0 +1,62 @@ +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.HashMap; +import java.util.List; +import java.util.Map; +import java.util.Set; + +public class ParamEmpTest { + + 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 testFindEmpByNo() { + // selectOne, 传入参数的方式 + Emp emp = sqlSession.selectOne("findEmpByNo", 7369); + System.out.println(emp); + } + @Test + public void testFindEmpByDeptnoAndSal() { + // 多个参数传递，使用map传递的方式 + Map args = new HashMap<>(); + args.put("deptno", 20); + args.put("sal", 2000.0); + + List empList = sqlSession.selectList("findEmpByDeptnoAndSal", args); + empList.forEach(System.out::println); + } + @Test + public void testFindEmpByObj() { + // 多个参数，使用实体对象传递 + Emp emp = new Emp(); + emp.setDeptno(20); + emp.setSal(2000.0); + List empList = sqlSession.selectList("findEmpByObj", emp); + empList.forEach(System.out::println); + } + + @After + public void release(){ + sqlSession.close(); + } +}