prodectservlet.java

用jsp做的一个小例子

package com.today.prodect.servlet;

import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.List;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import com.jspsmart.upload.File;
import com.jspsmart.upload.Request;
import com.jspsmart.upload.SmartUpload;
import com.jspsmart.upload.SmartUploadException;
import com.today.common.Pagers;
import com.today.prodect.model.Logic;
import com.today.prodect.vo.Prodect;


public class ProdectServlet extends HttpServlet {

	
	public ProdectServlet() {
		super();
	}

	
	public void destroy() {
		super.destroy(); 
	
	}

	
	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
            this.doPost(request, response);
		
	}

	
	public void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		String type=request.getParameter("method");
		Logic logic=new Logic();
		if("regPro".equals(type)){
			SmartUpload su=new SmartUpload();
			su.initialize(this.getServletConfig(), request, response);
			File file=null;
			String file_name="";
			try {
				su.upload();
				 file=	su.getFiles().getFile(0);
				 
			     file_name=System.currentTimeMillis()+"."+file.getFileExt();
				file.saveAs("upload/"+file_name);
			} catch (SmartUploadException e) {
				e.printStackTrace();
			}
			String filePath=this.getServletContext().getRealPath("/upload/");
		    FileInputStream fs=new FileInputStream(filePath+"\\"+file_name);
		    System.out.println(filePath+"\\"+file_name);
			Request req=su.getRequest();
			
			String p_name=req.getParameter("p_name");
		    byte[] p_img=new byte[fs.available()];
		    FileOutputStream f=new FileOutputStream("d:/ss.jpg");
		    f.write(p_img);
		    float p_price=Float.parseFloat(req.getParameter("p_price"));
			String p_content=req.getParameter("p_content");
			String p_ipath="upload/"+file_name;
			Prodect pro=new Prodect();
			pro.setP_name(p_name);
			pro.setP_img(p_img);
			pro.setP_ipath(p_ipath);
			pro.setP_price(p_price);
			pro.setP_content(p_content);		
			int i=0;
			i=logic.insertProcedure(pro);
			if(i==0){
				response.sendRedirect("admin/prodect/update.jsp");
			}else{
				request.getRequestDispatcher("ProdectServlet?method=listPro").forward(request, response);
			}
		}else if("listPro".equals(type)){
			int cur_page;
			if(request.getParameter("cur_page")==null||request.getParameter("cur_page")==""){
				cur_page=1;
			}else{
				cur_page=Integer.parseInt(request.getParameter("cur_page"));
			}
			Pagers pager=new Pagers();
			int count_page=pager.getCount_page("prodect_table");
			request.setAttribute("count_page", count_page);
			request.setAttribute("cur_page", cur_page);
			
			List list=logic.pageProdect(cur_page, pager.getPer_page());
			request.setAttribute("PRO", list);
			request.getRequestDispatcher("admin/prodect/list.jsp").forward(request, response);
		}else if("updatePro".equals(type)){
			
			
			Prodect pro=new Prodect();
	
			String p_name=request.getParameter("p_name");
		    float p_price=Float.parseFloat(request.getParameter("p_price"));
			String p_content=request.getParameter("p_content");
			
			int p_id=Integer.parseInt(request.getParameter("p_id"));
			
			pro.setP_name(p_name);
			
			pro.setP_price(p_price);
			pro.setP_content(p_content);
			pro.setP_id(p_id);
			int i=0;
			i=logic.updateProdect(pro);
			
			
				request.getRequestDispatcher("ProdectServlet?method=listPro").forward(request, response);
			
		}else if("selectPro".equals(type)){
			
			int p_id=Integer.parseInt(request.getParameter("pid"));
			Prodect pro=logic.selectOne(p_id);
			request.setAttribute("PRO", pro);
			if("sel".equals(request.getParameter("hid"))){
				request.getRequestDispatcher("admin/prodect/selecton.jsp").forward(request, response);
			}else{
				request.getRequestDispatcher("admin/prodect/update.jsp").forward(request, response);
			}
			
		}else if("deletePro".equals(type)){
			int p_id=Integer.parseInt(request.getParameter("pid"));
			logic.deleteProdect(p_id);
			response.sendRedirect("ProdectServlet?method=listPro");
		}
		
	}

	
	public void init() throws ServletException {
		
	}

}