?? clazzservlet.java
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package com.nitpro.school.servlet;
import java.util.Date;
import java.util.List;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import com.nitpro.school.bean.Clazz;
import com.nitpro.school.bean.Emp;
import com.nitpro.school.model.ClazzModel;
import com.nitpro.school.model.EmpModel;
import com.nitpro.school.util.Utils;
public class ClazzServlet extends HttpServlet{
public void doPost(HttpServletRequest req,HttpServletResponse resp) throws ServletException, java.io.IOException{
doIt(req, resp);
}
public void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, java.io.IOException{
doIt(req, resp);
}
public void doIt(HttpServletRequest req, HttpServletResponse resp) throws ServletException, java.io.IOException{
String method = req.getParameter("method");//通過標記參數進行分支判斷
if("list".equals(method)){
list(req, resp);
}else if("edit".equals(method)){
edit(req, resp);
}else if("save".equals(method)){
save(req, resp);
}
}
public void list(HttpServletRequest req, HttpServletResponse resp) throws ServletException, java.io.IOException{
ClazzModel clazzModel = new ClazzModel();
List<Clazz> list = clazzModel.getClazz();
req.setAttribute("list", list);
RequestDispatcher rd = req.getRequestDispatcher("/emp/clazzlist.jsp");
rd.forward(req, resp);
}
public void save(HttpServletRequest req, HttpServletResponse resp) throws ServletException, java.io.IOException{
int clazzId = Utils.strToInt(req.getParameter("clazzId"));
String clazzName = req.getParameter("clazzName");
Date sdate = Utils.strToDate(req.getParameter("sdate"));
Date edate = Utils.strToDate(req.getParameter("edate"));
Clazz clazz = new Clazz();
clazz.setClazzId(clazzId);
clazz.setClazzName(clazzName);
clazz.setSdate(sdate);
clazz.setEdate(edate);
ClazzModel clazzModel = new ClazzModel();
clazzModel.saveClazz(clazz);
list(req, resp);
}
public void edit(HttpServletRequest req, HttpServletResponse resp) throws ServletException, java.io.IOException{
int clazzId = Utils.strToInt(req.getParameter("clazzId"));
ClazzModel clazzModel = new ClazzModel();
Clazz clazz = clazzModel.getClazzById(clazzId);
req.setAttribute("clazz", clazz);
RequestDispatcher rd = req.getRequestDispatcher("/emp/clazzedit.jsp");
rd.forward(req, resp);
}
}
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