Employee Management System

Project WAR path: target/EmpProject-1.0-SNAPSHOT.war

How to run:

1. set Tomcat Server(port,url...)
2. run Tomcat Server

Core Technology Stack

1. Project framework: Java Web(Servlet)

2. Basic tools: Maven/Tomcat/MySQL/JDK17

3. The front-end technology: JSP(EL+JSTL)

4. Other technologies: JDBC(Dbutils,Druid)

5. Dao: EmpDao, EmpManagerDao

6. Entity: Emp, EmpManager, Page

7. Service: Emp(addEmp, removeEmp, modifyEmp, showEmp, showAllEmpByPage) EmpManager(login)

8. Controller: EmpManagerLogin, InsertEmp, RemoveEmp, ShowAllEmp, ShowEmp, UpdateEmp

9. Filter: CheckFilter

MVC framework

Model (service+dao+entity) View (jsp, html) Controller (servlet)

Three tier architecture

View -> Service(interface) -> Dao(interface)

Web development steps:

1. Dao: table, entity, Dao interface, Dao implementation
2. Service: Service interface, Service implementation
3. Controller(Servlet): collect data from request; call Service implementation store data in scope sendRedirect and forward
4. JSP: get data from scope; put data in html tag（EL+JSTL）
5. Filter: CheckFilter