adminbookservlet.java

来自「jsp+servlet网上购物,是一个实现mvc的网站」· Java 代码 · 共 59 行

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package com.ebook.servlet;

import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.util.*;
import com.ebook.Entity.*;
import com.ebook.impl.*;
import com.ebook.Util.*;
/**
 *
 * @author 隆科
 */
public class AdminBookServlet extends HttpServlet {
  
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
         try {
            getAllBook(request, response);
        } catch (Exception e) {
        }


    } 

    protected void doPost(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        doGet(request, response);
    }
 public void getAllBook(HttpServletRequest request, HttpServletResponse response){
        try
        {  
            int currentpage=1;
            if(request.getParameter("cpage")!=null)
            {
              currentpage=Integer.parseInt(request.getParameter("cpage"));
            }
        BookImpl bi = new BookImpl(new JdbcCon().getCon());
        List list = bi.getBook();
        PageHoder ph = new PageHoder(list, 5);
        List pagelist = ph.getCurrentList(currentpage);
        int allpages = ph.getPageNumber(5);
        request.setAttribute("currentpage", currentpage);
        request.setAttribute("allpages", allpages);
        request.setAttribute("list", pagelist);
        request.getRequestDispatcher("admin/adminbook.jsp").forward(request, response);
        }catch(Exception e)
        {}
    }

}