addbookservlet.java

网上书店 源代码和数据库网上书店 源代码和数据库

package com.shop.controller;

import java.io.IOException;
import java.io.OutputStream;
import java.util.GregorianCalendar;
import java.util.List;

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

import org.apache.commons.fileupload.FileItem;
import org.apache.commons.fileupload.FileItemFactory;
import org.apache.commons.fileupload.FileUploadException;
import org.apache.commons.fileupload.disk.DiskFileItemFactory;
import org.apache.commons.fileupload.servlet.ServletFileUpload;

import com.shop.model.CharSet;
import com.shop.model.manager.userinfo.BookInfoManager;
import com.shop.model.utils.PageVO;
import com.shop.vo.addbook.BookInfoVo;


public class AddBookServlet extends HttpServlet {

	
	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		BookInfoManager bookM=new BookInfoManager();
	
        String method=request.getParameter("method");
//----------------------------------------显示图片-------------------------------------------------------------------      
		if("showImg".equals(method)){
			String isbn=request.getParameter("isbn");
			if(isbn!=null){
				byte[] bookImage=bookM.getBookImageById(isbn);
				response.setContentType("image/jpeg");
				if(bookImage!=null){
					OutputStream out =null;
				try {
					out = response.getOutputStream();
					out.write(bookImage);
					out.flush();
				} catch (RuntimeException e) {
					// TODO Auto-generated catch block
					e.printStackTrace();
				}finally{
					if(out!=null){
						out.close();
					}
			}
		}
			}
			return;
	}
//----------------------------------------------------------------------------------------------------------------------
	
		
		
		
		
		
		
		
//----------------------------------------------查看单条图书记录----------------------------------------------------		
	if("showBookByIsbn".equals(method)){
		String isbn=request.getParameter("isbn");
		BookInfoVo book=bookM.getBookByIsbn(isbn);
		request.setAttribute("book", book);
		request.getRequestDispatcher("/bookinfo/aBookInfo.jsp").forward(request, response);
		return;
	}
//----------------------------------------------------------------------------------------------------------------	
	
	
	
	
	
	
	
	
//----------------------------------------------显示分页后的列表----------------------------------------------------------
	        	PageVO page=new PageVO(request,6);
	        	page.setMaxRowNo(bookM.getCount());
	        	List<BookInfoVo> bookList=bookM.findBook(page);
	        	
	        	request.setAttribute("bookList", bookList);
	        	request.setAttribute("page",page);
	        	request.getRequestDispatcher("/include/main.jsp").forward(request, response);
	        	return ;
//---------------------------------------------------------------------------------------------------------------------	       
	}
	
	
	
	
	
	
	public void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
//----------------------------------------------添加图书记录----------------------------------------------------------	--	
		try {
			CharSet chatSet=new CharSet();
			BookInfoVo book=new BookInfoVo();
			BookInfoManager bookM=new BookInfoManager();
			boolean isMultipart = ServletFileUpload.isMultipartContent(request);
			if(isMultipart){
				FileItemFactory factory = new DiskFileItemFactory();
				ServletFileUpload upload = new ServletFileUpload(factory);
				List  items = upload.parseRequest(request);
				if(items!=null&&items.size()>0){
					   for (Object object : items) {
						   FileItem fileItem =(FileItem)object;
						   if(fileItem.isFormField()){
							   if("isbn".equals(fileItem.getFieldName())){
								   book.setIsbn(fileItem.getString());
								   continue;
							   }
							   if("bookName".equals(fileItem.getFieldName())){
								   book.setBookName(chatSet.changCharSetToGB2312(fileItem.getString()));
								   continue;
							   }
							   if("author".equals(fileItem.getFieldName())){
								   book.setAuthor(chatSet.changCharSetToGB2312(fileItem.getString()));
								   continue;
							   }
							   if("price".equals(fileItem.getFieldName())){
								   book.setPrice(Float.parseFloat(fileItem.getString()));
								   continue;
							   }

							   if("printDate".equals(fileItem.getFieldName())){
								   String[] str=fileItem.getString().split("-");
								   GregorianCalendar calendar=new GregorianCalendar(Integer.parseInt(str[0]),Integer.parseInt(str[1])-1,Integer.parseInt(str[2]));
								   book.setPrintDate(calendar.getTime());
								   System.out.println(str[0]+str[1]+str[2]);
								   System.out.println(book.getPrintDate().toLocaleString());
								   continue;
							   }
							   if("sellPrice".equals(fileItem.getFieldName())){
								   book.setSellPrice(Float.parseFloat(fileItem.getString()));
								   continue;
							   }
							   if("printAddr".equals(fileItem.getFieldName())){
								   book.setPrintAddr(chatSet.changCharSetToGB2312(fileItem.getString()));
								   continue;
							   }
							   if("remainNumber".equals(fileItem.getFieldName())){
								   book.setRemainNumber(fileItem.getString());
								   continue;
							   }
							   if("inBookNumber".equals(fileItem.getFieldName())){
								   book.setInBookNumber(fileItem.getString());
								   continue;
							   }
							   if("inBookDate".equals(fileItem.getFieldName())){
								   String[] str=fileItem.getString().split("-");
								   GregorianCalendar calendar=new GregorianCalendar(Integer.parseInt(str[0]),Integer.parseInt(str[1])-1,Integer.parseInt(str[2]));
								   book.setInBookDate(calendar.getTime());
								   continue;
							   }
							   if("bookType".equals(fileItem.getFieldName())){
								   book.setBookType(chatSet.changCharSetToGB2312(fileItem.getString()));
								   continue;
							   }
							   if("bookDescrption".equals(fileItem.getFieldName())){
								   book.setBookDescrption(chatSet.changCharSetToGB2312(fileItem.getString()));
								   continue;
							   }
							
						   }else{
							   if(fileItem.getSize()==0){
								   
								   continue;
							   }
							  book.setBookImage(fileItem.get());
							  String filename =fileItem.getName();
							  System.out.println(filename.substring(filename.lastIndexOf("\\")+1));
						   }
					   }
					   if(bookM.isExsistBook(book.getIsbn())){
						  request.setAttribute("book", book); 
						  request.getRequestDispatcher("/bookinfo/addBook.jsp").forward(request, response);
						  return;
					   }
					   bookM.addBookInfoVo(book);
					   
				}
			}
		} catch (NumberFormatException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (FileUploadException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		response.sendRedirect(request.getContextPath()+"/bookinfo/success.jsp");
     
		
	}

}