diff --git a/testJDBC/JDBCDemo2/JDBCDemo2.iml b/testJDBC/JDBCDemo2/JDBCDemo2.iml
new file mode 100644
index 0000000..d6d5fab
--- /dev/null
+++ b/testJDBC/JDBCDemo2/JDBCDemo2.iml
@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$">
+      <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+    <orderEntry type="library" name="mysql-connector-java-8.0.11 (2)" level="project" />
+  </component>
+</module>
\ No newline at end of file
diff --git a/testJDBC/JDBCDemo2/lib/mysql-connector-java-8.0.11.jar b/testJDBC/JDBCDemo2/lib/mysql-connector-java-8.0.11.jar
new file mode 100644
index 0000000..c3b5f70
Binary files /dev/null and b/testJDBC/JDBCDemo2/lib/mysql-connector-java-8.0.11.jar differ
diff --git a/testJDBC/JDBCDemo2/src/com/msb/bean/Dept.java b/testJDBC/JDBCDemo2/src/com/msb/bean/Dept.java
new file mode 100644
index 0000000..5145fb9
--- /dev/null
+++ b/testJDBC/JDBCDemo2/src/com/msb/bean/Dept.java
@@ -0,0 +1,51 @@
+package com.msb.bean;
+
+import java.io.Serializable;
+
+public class Dept implements Serializable {
+    private Integer deptno;
+    private String dname;
+    private String loc;
+
+    public Dept() {
+    }
+
+    public Dept(Integer deptno, String dname, String loc) {
+        this.deptno = deptno;
+        this.dname = dname;
+        this.loc = loc;
+    }
+
+    @Override
+    public String toString() {
+        return "Dept{" +
+                "deptno=" + deptno +
+                ", dname='" + dname + '\'' +
+                ", loc='" + loc + '\'' +
+                '}';
+    }
+
+    public Integer getDeptno() {
+        return deptno;
+    }
+
+    public void setDeptno(Integer deptno) {
+        this.deptno = deptno;
+    }
+
+    public String getDname() {
+        return dname;
+    }
+
+    public void setDname(String dname) {
+        this.dname = dname;
+    }
+
+    public String getLoc() {
+        return loc;
+    }
+
+    public void setLoc(String loc) {
+        this.loc = loc;
+    }
+}
diff --git a/testJDBC/JDBCDemo2/src/com/msb/bean/Emp.java b/testJDBC/JDBCDemo2/src/com/msb/bean/Emp.java
new file mode 100644
index 0000000..d9e80cd
--- /dev/null
+++ b/testJDBC/JDBCDemo2/src/com/msb/bean/Emp.java
@@ -0,0 +1,107 @@
+package com.msb.bean;
+
+import java.io.Serializable;
+import java.util.Date;
+
+public class Emp implements Serializable {
+    private Integer empno;
+    private String ename;
+    private String job;
+    private Integer mgr;
+    private Date hiredate;
+    private Double sal;
+    private Double comm;
+    private Integer deptno;
+
+    public Emp() {
+    }
+
+    public Emp(Integer empno, String ename, String job, Integer mgr, Date hiredate, Double sal, Double comm, Integer deptno) {
+        this.empno = empno;
+        this.ename = ename;
+        this.job = job;
+        this.mgr = mgr;
+        this.hiredate = hiredate;
+        this.sal = sal;
+        this.comm = comm;
+        this.deptno = deptno;
+    }
+
+    @Override
+    public String toString() {
+        return "Emp{" +
+                "empno=" + empno +
+                ", ename='" + ename + '\'' +
+                ", job='" + job + '\'' +
+                ", mgr=" + mgr +
+                ", hiredate=" + hiredate +
+                ", sal=" + sal +
+                ", comm=" + comm +
+                ", deptno=" + deptno +
+                '}';
+    }
+
+    public Integer getEmpno() {
+        return empno;
+    }
+
+    public void setEmpno(Integer empno) {
+        this.empno = empno;
+    }
+
+    public String getEname() {
+        return ename;
+    }
+
+    public void setEname(String ename) {
+        this.ename = ename;
+    }
+
+    public String getJob() {
+        return job;
+    }
+
+    public void setJob(String job) {
+        this.job = job;
+    }
+
+    public Integer getMgr() {
+        return mgr;
+    }
+
+    public void setMgr(Integer mgr) {
+        this.mgr = mgr;
+    }
+
+    public Date getHiredate() {
+        return hiredate;
+    }
+
+    public void setHiredate(Date hiredate) {
+        this.hiredate = hiredate;
+    }
+
+    public Double getSal() {
+        return sal;
+    }
+
+    public void setSal(Double sal) {
+        this.sal = sal;
+    }
+
+    public Double getComm() {
+        return comm;
+    }
+
+    public void setComm(Double comm) {
+        this.comm = comm;
+    }
+
+    public Integer getDeptno() {
+        return deptno;
+    }
+
+    public void setDeptno(Integer deptno) {
+        this.deptno = deptno;
+    }
+}
diff --git a/testJDBC/JDBCDemo2/src/com/msb/dao/DeptDao.java b/testJDBC/JDBCDemo2/src/com/msb/dao/DeptDao.java
new file mode 100644
index 0000000..908ea67
--- /dev/null
+++ b/testJDBC/JDBCDemo2/src/com/msb/dao/DeptDao.java
@@ -0,0 +1,10 @@
+package com.msb.dao;
+
+import com.msb.bean.Dept;
+
+import java.util.List;
+
+public interface DeptDao {
+    public List<Dept> findAll();
+    public int addDept(Dept dept);
+}
diff --git a/testJDBC/JDBCDemo2/src/com/msb/dao/EmpDao.java b/testJDBC/JDBCDemo2/src/com/msb/dao/EmpDao.java
new file mode 100644
index 0000000..584a392
--- /dev/null
+++ b/testJDBC/JDBCDemo2/src/com/msb/dao/EmpDao.java
@@ -0,0 +1,12 @@
+package com.msb.dao;
+
+import com.msb.bean.Emp;
+
+import java.util.List;
+
+public interface EmpDao {
+    public List<Emp> findAll();
+    public int deleteByEmpno(int empno);
+    public int updateEmp(Emp emp);
+    public int addEmp(Emp emp);
+}
diff --git a/testJDBC/JDBCDemo2/src/com/msb/dao/imp/DeptDaoImp.java b/testJDBC/JDBCDemo2/src/com/msb/dao/imp/DeptDaoImp.java
new file mode 100644
index 0000000..e0e7293
--- /dev/null
+++ b/testJDBC/JDBCDemo2/src/com/msb/dao/imp/DeptDaoImp.java
@@ -0,0 +1,18 @@
+package com.msb.dao.imp;
+
+import com.msb.bean.Dept;
+import com.msb.dao.DeptDao;
+
+import java.util.List;
+
+public class DeptDaoImp implements DeptDao {
+    @Override
+    public List<Dept> findAll() {
+        return null;
+    }
+
+    @Override
+    public int addDept(Dept dept) {
+        return 0;
+    }
+}
diff --git a/testJDBC/JDBCDemo2/src/com/msb/dao/imp/EmpDaoImp.java b/testJDBC/JDBCDemo2/src/com/msb/dao/imp/EmpDaoImp.java
new file mode 100644
index 0000000..a2f7d90
--- /dev/null
+++ b/testJDBC/JDBCDemo2/src/com/msb/dao/imp/EmpDaoImp.java
@@ -0,0 +1,28 @@
+package com.msb.dao.imp;
+
+import com.msb.bean.Emp;
+import com.msb.dao.EmpDao;
+
+import java.util.List;
+
+public class EmpDaoImp implements EmpDao {
+    @Override
+    public List<Emp> findAll() {
+        return null;
+    }
+
+    @Override
+    public int deleteByEmpno(int empno) {
+        return 0;
+    }
+
+    @Override
+    public int updateEmp(Emp emp) {
+        return 0;
+    }
+
+    @Override
+    public int addEmp(Emp emp) {
+        return 0;
+    }
+}
diff --git a/testJDBC/JDBCDemo2/src/com/msb/view/EmpManageSystem.java b/testJDBC/JDBCDemo2/src/com/msb/view/EmpManageSystem.java
new file mode 100644
index 0000000..9dc93f9
--- /dev/null
+++ b/testJDBC/JDBCDemo2/src/com/msb/view/EmpManageSystem.java
@@ -0,0 +1,7 @@
+package com.msb.view;
+
+public class EmpManageSystem {
+    public static void main(String[] args) {
+
+    }
+}