?? bigtypeaction.java
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package com.wy.webtier;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.action.ActionForm;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.Action;
import java.util.List;
import com.wy.dao.BigTypeDao;
//商品大類別信息
public class BigTypeAction
extends Action {
private int action;
private BigTypeDao dao = null;
public ActionForward execute(ActionMapping mapping,
ActionForm form,
HttpServletRequest request,
HttpServletResponse response) {
dao = new BigTypeDao();
this.action = Integer.parseInt(request.getParameter("action"));
switch (action) {
case 0: {
return bigTypeSelect(mapping, form, request, response); //全部查詢商品信息
}
case 2: {
return bigTypeInsert(mapping, form, request, response); //添加大類別的信息
}
case 3: {
return bigTypeDelete(mapping, form, request, response); //刪除大類別的信息
}
}
throw new java.lang.UnsupportedOperationException(
"Method $execute() not yet implemented.");
}
//刪除大類別的信息
public ActionForward bigTypeDelete(ActionMapping mapping,
ActionForm form,
HttpServletRequest request,
HttpServletResponse response) {
if (dao.deleteBig(Integer.valueOf(request.getParameter("id")))) {
request.setAttribute("result", "刪除大類別信息成功");
}
else {
request.setAttribute("result", "小類別還存在此信息,請先刪除小類別信息");
}
return mapping.findForward("resultBigType");
}
//添加大類別的信息
public ActionForward bigTypeInsert(ActionMapping mapping,
ActionForm form,
HttpServletRequest request,
HttpServletResponse response) {
dao.insertBig(request.getParameter("name"));
request.setAttribute("result", "添加大類別信息成功");
return mapping.findForward("resultBigType");
}
//全部查詢商品信息
public ActionForward bigTypeSelect(ActionMapping mapping,
ActionForm form,
HttpServletRequest request,
HttpServletResponse response) {
List list = dao.selectBig();
int pageNumber = list.size(); //計算出有多少條記錄
int maxPage = pageNumber; //計算有多少頁數
String number = request.getParameter("i");
if (maxPage % 6 == 0) {
maxPage = maxPage / 6;
}
else {
maxPage = maxPage / 6 + 1;
}
if (number == null) {
number = "0";
}
request.setAttribute("number", String.valueOf(number));
request.setAttribute("maxPage", String.valueOf(maxPage));
request.setAttribute("pageNumber", String.valueOf(pageNumber));
request.setAttribute("list", list);
return mapping.findForward("bigTypeSelect");
}
}
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