header_jsp.java

比较完整的网上书店系统

    String sOptions = "";
    String sSel = "";

    if ( isSearch ) {
     sOptions += "<option value=\"\">All</option>";
    }
    else {
      if ( ! isRequired ) {
       sOptions += "<option value=\"\"></option>";
      }
    }
    try {
      java.sql.Statement stat = conn.createStatement();
      java.sql.ResultSet rs = null;
      rs = openrs (stat, sql);
      while (rs.next() ) {
        String id = toHTML( rs.getString(1) );
        String val = toHTML( rs.getString(2) );
        if ( id.compareTo(selectedValue) == 0 ) {
          sSel = "SELECTED";
        }
        else  {
          sSel = "";
        }
        sOptions += "<option value=\""+id+"\" "+sSel+">"+val+"</option>";
      }
      rs.close();
      stat.close();
    }
    catch (Exception e) {}
    return sOptions;
  }

  String getOptionsLOV( String sLOV, boolean isSearch, boolean isRequired, String selectedValue ) {
    String sSel = "";
    String slOptions = "";
    String sOptions = "";
    String id = "";
    String val = "";
    java.util.StringTokenizer LOV = new java.util.StringTokenizer( sLOV, ";", true);
    int i = 0;
    String old = ";";
    while ( LOV.hasMoreTokens() ) {
      id = LOV.nextToken();
      if ( ! old.equals(";") && ( id.equals(";") ) ) {
        id = LOV.nextToken();
      }
      else {
        if ( old.equals(";") && ( id.equals(";") ) ) {
          id = "";
        }
      }
      if ( ! id.equals("") )  { old = id; }

      i++;

      if (LOV.hasMoreTokens()) {
        val = LOV.nextToken();
        if ( ! old.equals(";") && (val.equals(";") ) ) {
          val = LOV.nextToken();
        }
        else {
          if (old.equals(";") && (val.equals(";"))) {
            val = "";
          }
        }
        if ( val.equals(";") ) { val = ""; }
        if ( ! val.equals("")) { old = val; }
        i++;
      }

      if ( id.compareTo( selectedValue ) == 0 ) {
        sSel = "SELECTED";
      }
      else {
        sSel = "";
      }
      slOptions += "<option value=\""+id+"\" "+sSel+">"+val+"</option>";
    }
    if (  ( i % 2 ) == 0 ) sOptions += slOptions;
    return sOptions;
  }

  String getValFromLOV( String selectedValue , String sLOV) {
    String sRes = "";
    String id = "";
    String val = "";
    java.util.StringTokenizer LOV = new java.util.StringTokenizer( sLOV, ";", true);
    int i = 0;
    String old = ";";
    while ( LOV.hasMoreTokens() ) {
      id = LOV.nextToken();
      if ( ! old.equals(";") && ( id.equals(";") ) ) {
        id = LOV.nextToken();
      }
      else {
        if ( old.equals(";") && ( id.equals(";") ) ) {
          id = "";
        }
      }
      if ( ! id.equals("") )  { old = id; }

      i++;

      if (LOV.hasMoreTokens()) {
        val = LOV.nextToken();
        if ( ! old.equals(";") && (val.equals(";") ) ) {
          val = LOV.nextToken();
        }
        else {
          if (old.equals(";") && (val.equals(";"))) {
            val = "";
          }
        }
        if ( val.equals(";") ) { val = ""; }
        if ( ! val.equals("")) { old = val; }
        i++;
      }

      if ( id.compareTo( selectedValue ) == 0 ) {
        sRes = val;
      }
    }
    return sRes;
  }


  String checkSecurity(int iLevel, javax.servlet.http.HttpSession session, javax.servlet.http.HttpServletResponse response, javax.servlet.http.HttpServletRequest request){
    try {
      Object o1 = session.getAttribute("UserID");
      Object o2 = session.getAttribute("UserRights");
      boolean bRedirect = false;
      if ( o1 == null || o2 == null ) { bRedirect = true; }
      if ( ! bRedirect ) {
        if ( (o1.toString()).equals("")) { bRedirect = true; }
        else if ( (new Integer(o2.toString())).intValue() < iLevel) { bRedirect = true; }
      }

      if ( bRedirect ) {
        response.sendRedirect("Login.jsp?querystring=" + toURL(request.getQueryString()) + "&ret_page=" + toURL(request.getRequestURI()));
        return "sendRedirect";
      }
    }
    catch(Exception e){};
    return "";
  }



//
//   Filename: Header.jsp
//   Generated with CodeCharge  v.1.2.0
//   JSP.ccp build 05/21/2001
//

static final String sFileName = "Header.jsp";
              



  void Menu_Show (javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response, javax.servlet.http.HttpSession session, javax.servlet.jsp.JspWriter out, String sMenuErr, String sForm, String sAction, java.sql.Connection conn, java.sql.Statement stat) throws java.io.IOException {
    try {
  
      out.println("    <table style=\"\">");
      
      out.print("     <tr>");
      // Set URLs
      
      String fldField2 = "Default.jsp";
      String fldHome = "Default.jsp";
      String fldReg = "Registration.jsp";
      String fldShop = "ShoppingCart.jsp";
      String fldField1 = "Login.jsp";
      String fldAdmin = "AdminMenu.jsp";
      // Show fields
      
      out.print("\n      <td style=\"background-color: #FFFFFF; border-width: 1\"><a href=\""+fldField2+"\"><font style=\"font-size: 10pt; color: #000000\"><img src=\"images/Logo_bookstore.gif\" border=\"0\"></font></a></td>");
      out.print("\n      <td style=\"background-color: #FFFFFF; border-width: 1\"><a href=\""+fldHome+"\"><font style=\"font-size: 10pt; color: #000000\"><img src=\"images/icon_home.gif\" border=\"0\"></font></a></td>");
      out.print("\n      <td style=\"background-color: #FFFFFF; border-width: 1\"><a href=\""+fldReg+"\"><font style=\"font-size: 10pt; color: #000000\"><img src=\"images/icon_reg.gif\" border=\"0\"></font></a></td>");
      out.print("\n      <td style=\"background-color: #FFFFFF; border-width: 1\"><a href=\""+fldShop+"\"><font style=\"font-size: 10pt; color: #000000\"><img src=\"images/icon_shop.gif\" border=\"0\"></font></a></td>");
      out.print("\n      <td style=\"background-color: #FFFFFF; border-width: 1\"><a href=\""+fldField1+"\"><font style=\"font-size: 10pt; color: #000000\"><img src=\"images/icon_sign.gif\" border=\"0\"></font></a></td>");
      out.print("\n      <td style=\"background-color: #FFFFFF; border-width: 1\"><a href=\""+fldAdmin+"\"><font style=\"font-size: 10pt; color: #000000\"><img src=\"images/icon_admin.gif\" border=\"0\"></font></a></td>");

      out.println("\n     </tr>\n    </table>");
  
    }
    catch (Exception e) { out.println(e.toString()); }
  }

  private static java.util.Vector _jspx_dependants;

  static {
    _jspx_dependants = new java.util.Vector(1);
    _jspx_dependants.add("/Common.jsp");
  }

  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,
      			null, true, 8192, true);
      _jspx_page_context = pageContext;
      application = pageContext.getServletContext();
      config = pageContext.getServletConfig();
      session = pageContext.getSession();
      out = pageContext.getOut();
      _jspx_out = out;


boolean bDebug = false;

String sAction = getParam( request, "FormAction");
String sForm = getParam( request, "FormName");
String sMenuErr = "";

java.sql.Connection conn = null;
java.sql.Statement stat = null;
conn = cn();
stat = conn.createStatement();

      out.write("<center>\r\n");
      out.write(" <table>\r\n");
      out.write("  <tr>\r\n");
      out.write("   <td valign=\"top\">\r\n");
 Menu_Show(request, response, session, out, sMenuErr, sForm, sAction, conn, stat); 
      out.write("   \r\n");
      out.write("   </td>\r\n");
      out.write("  </tr>\r\n");
      out.write(" </table>\r\n");
      out.write("</center>\r\n");
      out.write("<hr>\r\n");
    } 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);
    }
  }
}