goodschange.java

整个系统采用MVC开发模式

package Manager;

import java.io.IOException;
import java.io.PrintWriter;

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

import bean.Goods;
import bean.GoodsDao;

public class GoodsChange extends HttpServlet {

	/**
	 * Constructor of the object.
	 */
	public GoodsChange() {
		super();
	}

	/**
	 * Destruction of the servlet. <br>
	 */
	public void destroy() {
		super.destroy(); // Just puts "destroy" string in log
		// Put your code here
	}

	/**
	 * The doGet method of the servlet. <br>
	 *
	 * This method is called when a form has its tag value method equals to get.
	 * 
	 * @param request the request send by the client to the server
	 * @param response the response send by the server to the client
	 * @throws ServletException if an error occurred
	 * @throws IOException if an error occurred
	 */
	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {

		response.setContentType("text/html; charset=GBK");
		response.setHeader("Cache-Control", "no-cache");
		PrintWriter out = response.getWriter();
		String bookid=request.getParameter("bookid");
		int bookidenty=Integer.parseInt(bookid);
		String bookname=request.getParameter("bookname");
		//byte[] name=bookname.getBytes("ISO8859_1");
		//bookname=new String(name,"GBK");
		String author=request.getParameter("author");
		byte[] au=author.getBytes("ISO8859_1");
		author=new String(au,"GBK");
        String publish=request.getParameter("publish");
        byte[] pub=publish.getBytes("ISO8859_1");
		publish=new String(pub);
        String storenum=request.getParameter("storenum");
		int storeNum=Integer.parseInt(storenum);
	    String price=request.getParameter("price");
	    double price1=Double.parseDouble(price);
		
		String isbn=request.getParameter("isbn");
		String pages=request.getParameter("pages");
		int page=Integer.parseInt(pages);
		String package1=request.getParameter("pack");
		byte[] pac=package1.getBytes("ISO8859_1");
		package1=new String(pac);
		String sort=request.getParameter("sort");
		byte[] sor=sort.getBytes("ISO8859_1");
		sort=new String(sor);
		String words=request.getParameter("words");
		String content=request.getParameter("content");
		byte[] con=sort.getBytes("ISO8859_1");
		content=new String(con);
		//String url=request.getParameter("file5");
		int word=Integer.parseInt(words);
		Goods book=new Goods();
		GoodsDao goodsdao=new GoodsDao();
		try {
			book=(Goods)goodsdao.goodsSelect("select *from goods where bookid="+bookidenty+"").get(0);
		} catch (Exception e1) {
			// TODO Auto-generated catch block
			e1.printStackTrace();
		}
		book.setBookid(bookidenty);
		book.setBookname(bookname);
		book.setAuthor(author);
		book.setPublish(publish);
		book.setStorenum(storeNum);
		book.setPrice(price1);
		book.setIsbn(isbn);
		book.setPages(page);
		book.setPack(package1);
		book.setSort(sort);
		book.setWords(word);
		book.setContent(content);
		//book.setImageurl(url);
		try {
			System.out.print(book.getBookname());
			goodsdao.goodsUpdate(book);
			System.out.println(book.getAuthor());
			out.print("修改成功");
			//out.print("<a href='GoodsManage/GoodsSurvey.jsp'>"+"返回"+"</a>");
		} catch (Exception e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
	}

	/**
	 * The doPost method of the servlet. <br>
	 *
	 * This method is called when a form has its tag value method equals to post.
	 * 
	 * @param request the request send by the client to the server
	 * @param response the response send by the server to the client
	 * @throws ServletException if an error occurred
	 * @throws IOException if an error occurred
	 */
	public void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {

		doGet(request,response);
	}

	/**
	 * Initialization of the servlet. <br>
	 *
	 * @throws ServletException if an error occurs
	 */
	public void init() throws ServletException {
		// Put your code here
	}

}