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📄 showbook_jsp.java

📁 J2EE网络书店系统 采用JSP , servlet ,javabean开发 初学者可以参考
💻 JAVA
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package org.apache.jsp;

import javax.servlet.*;
import javax.servlet.http.*;
import javax.servlet.jsp.*;
import java.util.Vector;
import store.Book;
import store.User;

public final class showbook_jsp extends org.apache.jasper.runtime.HttpJspBase
    implements org.apache.jasper.runtime.JspSourceDependent {

  private static java.util.Vector _jspx_dependants;

  public java.util.List getDependants() {
    return _jspx_dependants;
  }

  public void _jspService(HttpServletRequest request, HttpServletResponse response)
        throws java.io.IOException, ServletException {

    JspFactory _jspxFactory = null;
    PageContext pageContext = null;
    HttpSession session = null;
    ServletContext application = null;
    ServletConfig config = null;
    JspWriter out = null;
    Object page = this;
    JspWriter _jspx_out = null;
    PageContext _jspx_page_context = null;


    try {
      _jspxFactory = JspFactory.getDefaultFactory();
      response.setContentType("text/html");
      pageContext = _jspxFactory.getPageContext(this, request, response,
      			"errorpage.jsp", true, 8192, true);
      _jspx_page_context = pageContext;
      application = pageContext.getServletContext();
      config = pageContext.getServletConfig();
      session = pageContext.getSession();
      out = pageContext.getOut();
      _jspx_out = out;

      store.Basket Basket = null;
      synchronized (session) {
        Basket = (store.Basket) _jspx_page_context.getAttribute("Basket", PageContext.SESSION_SCOPE);
        if (Basket == null){
          Basket = new store.Basket();
          _jspx_page_context.setAttribute("Basket", Basket, PageContext.SESSION_SCOPE);
        }
      }
      out.write("\r\n");
      out.write("\r\n");
      out.write("\r\n");
      out.write("\r\n");
      out.write("<html>\r\n");
      out.write("<head>\r\n");
      out.write("<title>Store</title>\r\n");
      out.write("</head>\r\n");
      out.write("\r\n");
      out.write("\r\n");
      out.write("<body>\r\n");
      out.write("<h1><b>Store</b></h1>\r\n");
      out.write("\r\n");
      out.write("\r\n");

boolean logined = true;
try
{	
	User.ChkLogin(session);
}
catch(Exception e)
{
	logined = false;
}

if(logined)
{
	out.println("<form name='libraryform' method='get' action='servlet/store.AddBasketController'>");
	out.println("<input type='submit' name='Submit' value='Update'>");
	out.println("<br><a href='viewbasket.jsp'>View Basket</a>");
	out.println("<br><a href='userupdate.jsp'>UserUpdate</a>");
	out.println("<br><a href='logout.jsp'>Logout</a>");
}
else
{
	out.println("<form name='login' action='servlet/store.CheckLogin' method='get'>");
	out.println("<br>UserName: <input type='text' name='username' value=''><input type='hidden' name='usertype' value='user'>");
	out.println("<br>Password: &nbsp;&nbsp;<input type='password' name='password' value=''> <input type='submit' value='Login'>");
	out.println("<br><a href='register.jsp'>Register</a>");
	out.println("</form>");
}


      out.write("\r\n");
      out.write("\t<br><br>\r\n");
      out.write("\t<table border='1'>\r\n");
      out.write("\t\t<tr>\r\n");
      out.write("\t\t\t<td>Add to Cart</td>\r\n");
      out.write("\t\t\t<td>Title</td>\r\n");
      out.write("\t\t\t<td>Class</td>\r\n");
      out.write("\t\t\t<td>Author</td>\r\n");
      out.write("\t\t\t<td>Publish</td>\r\n");
      out.write("\t\t\t<td>Prince</td>\r\n");
      out.write("\t\t\t<td>Amount</td>\r\n");
      out.write("\t\t\t<td>Leav_number</td>\r\n");
      out.write("\t\t\t<td>RegTime</td>\r\n");
      out.write("\t\t</tr>\r\n");
      out.write("\t\t");

		Book book = new Book();
		Vector vector = book.LoadBook();
		for (int i=0; i<vector.size(); i++)
		{
			book = (Book)vector.elementAt(i);
			out.println("<tr>");
			out.println("<td><input type='checkbox' name='choosed' value='" + book.GetISDN() +"'></td>");
			out.println("<td>" + book.GetBookName() + "</td>");
			out.println("<td>" + book.GetBookclass() + "</td>");
			out.println("<td>" + book.GetAuthor() + "</td>");
			out.println("<td>" + book.GetPublish() + "</td>");
			out.println("<td>" + book.GetPrince() + "</td>");
			out.println("<td>" + book.GetAmount() + "</td>");
			out.println("<td>" + book.GetLeavnum() + "</td>");
			out.println("<td>" + book.GetRegtime() + "</td>");
			out.println("</tr>");
		}
		
      out.write("\r\n");
      out.write("\t</table>\r\n");
if(logined)
	out.println("</form>");

      out.write("\r\n");
      out.write("\r\n");
      out.write("<p><a href=\"manage/login.jsp\">manage</a></p>\r\n");
      out.write("</body>\r\n");
      out.write("</html>");
    } catch (Throwable t) {
      if (!(t instanceof SkipPageException)){
        out = _jspx_out;
        if (out != null && out.getBufferSize() != 0)
          out.clearBuffer();
        if (_jspx_page_context != null) _jspx_page_context.handlePageException(t);
      }
    } finally {
      if (_jspxFactory != null) _jspxFactory.releasePageContext(_jspx_page_context);
    }
  }
}

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