editorialsrecord_jsp.java

JSP网上书店系统 采用ACCESS数据库

    return "";
  }




static final String sFileName = "EditorialsRecord.jsp";
              




  String editorialsAction(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response, javax.servlet.http.HttpSession session, javax.servlet.jsp.JspWriter out, String sAction, String sForm, java.sql.Connection conn, java.sql.Statement stat) throws java.io.IOException {
  
    String seditorialsErr ="";
    try {

      if (sAction.equals("")) return "";

      String sSQL="";
      String transitParams = "";
      String primaryKeyParams = "";
      String sQueryString = "";
      String sPage = "";
      String sParams = "";
      String sActionFileName = "EditorialsGrid.jsp";
      String sWhere = " ";
      boolean bErr = false;
      long iCount = 0;

  
      String pPKarticle_id = "";
      if (sAction.equalsIgnoreCase("cancel") ) {
        try {
          if ( stat != null ) stat.close();
          if ( conn != null ) conn.close();
        }
        catch ( java.sql.SQLException ignore ) {}
        response.sendRedirect (sActionFileName);
        return "sendRedirect";
      }

      final int iinsertAction = 1;
      final int iupdateAction = 2;
      final int ideleteAction = 3;
      int iAction = 0;

      if ( sAction.equalsIgnoreCase("insert") ) { iAction = iinsertAction; }
      if ( sAction.equalsIgnoreCase("update") ) { iAction = iupdateAction; }
      if ( sAction.equalsIgnoreCase("delete") ) { iAction = ideleteAction; }

      // Create WHERE statement

      if ( iAction == iupdateAction || iAction == ideleteAction ) { 
        pPKarticle_id = getParam( request, "PK_article_id");
        if ( isEmpty(pPKarticle_id)) return seditorialsErr;
        sWhere = "article_id=" + toSQL(pPKarticle_id, adNumber);
      }


      String fldarticle_desc="";
      String fldarticle_title="";
      String fldeditorial_cat_id="";
      String flditem_id="";
      String fldarticle_id="";

      // Load all form fields into variables
    
      fldarticle_desc = getParam(request, "article_desc");
      fldarticle_title = getParam(request, "article_title");
      fldeditorial_cat_id = getParam(request, "editorial_cat_id");
      flditem_id = getParam(request, "item_id");
      // Validate fields
      if ( iAction == iinsertAction || iAction == iupdateAction ) {
        if ( isEmpty(fldeditorial_cat_id) ) {
          seditorialsErr = seditorialsErr + "The value in field Editorial Category is required.<br>";
        }
        if ( ! isNumber(fldeditorial_cat_id)) {
          seditorialsErr = seditorialsErr + "The value in field Editorial Category is incorrect.<br>";
        }
        if ( ! isNumber(flditem_id)) {
          seditorialsErr = seditorialsErr + "The value in field Item is incorrect.<br>";
        }
        if (seditorialsErr.length() > 0 ) {
          return (seditorialsErr);
        }
      }


      sSQL = "";
      // Create SQL statement

      switch (iAction) {
  
        case iinsertAction :
          
            sSQL = "insert into editorials (" + 
                "article_desc," +
                "article_title," +
                "editorial_cat_id," +
                "item_id)" +

                " values (" + 
                toSQL(fldarticle_desc, adText) + "," +
                toSQL(fldarticle_title, adText) + "," +
                toSQL(fldeditorial_cat_id, adNumber) + "," +
                toSQL(flditem_id, adNumber) + ")";
          break;
  
      case iupdateAction:
        
          sSQL = "update editorials set " +
                "article_desc=" + toSQL(fldarticle_desc, adText) +
                ",article_title=" + toSQL(fldarticle_title, adText) +
                ",editorial_cat_id=" + toSQL(fldeditorial_cat_id, adNumber) +
                ",item_id=" + toSQL(flditem_id, adNumber);
          sSQL = sSQL + " where " + sWhere;
        break;
      
      case ideleteAction:
           sSQL = "delete from editorials where " + sWhere;
          
        break;
  
      }

      if ( seditorialsErr.length() > 0 ) return seditorialsErr;
      try {
        // Execute SQL statement
        stat.executeUpdate(sSQL);
      }
      catch(java.sql.SQLException e) {
        seditorialsErr = e.toString(); return (seditorialsErr);
      }
  
      try {
        if ( stat != null ) stat.close();
        if ( conn != null ) conn.close();
      }
      catch ( java.sql.SQLException ignore ) {}
      response.sendRedirect (sActionFileName);

      return "sendRedirect";
    }
    catch (Exception e) {out.println(e.toString()); }
    return (seditorialsErr);
  }

  


  void editorials_Show(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response, javax.servlet.http.HttpSession session, javax.servlet.jsp.JspWriter out, String seditorialsErr, String sForm, String sAction, java.sql.Connection conn, java.sql.Statement stat) throws java.io.IOException {
    try {

      String sSQL="";
      String sQueryString = "";
      String sPage = "";
      String sWhere = "";
      String transitParams = "";
      String transitParamsHidden = "";
      String requiredParams = "";
      String primaryKeyParams ="";
      java.util.Hashtable rsHash = new java.util.Hashtable();
      
      String particle_id = "";

      String fldarticle_id="";
      String fldarticle_desc="";
      String fldarticle_title="";
      String fldeditorial_cat_id="";
      String flditem_id="";


      boolean bPK = true;

      if ( "".equals(seditorialsErr)) {
        // Load primary key and form parameters
        fldarticle_id = getParam( request, "article_id");
        particle_id = getParam( request, "article_id");
      }
      else {
        // Load primary key, form parameters and form fields
        fldarticle_id = getParam( request, "article_id");
        fldarticle_desc = getParam( request, "article_desc");
        fldarticle_title = getParam( request, "article_title");
        fldeditorial_cat_id = getParam( request, "editorial_cat_id");
        flditem_id = getParam( request, "item_id");
        particle_id = getParam( request, "PK_article_id");
      }

      
      if ( isEmpty(particle_id)) { bPK = false; }
      
      sWhere += "article_id=" + toSQL(particle_id, adNumber);
      primaryKeyParams += "<input type=\"hidden\" name=\"PK_article_id\" value=\""+particle_id+"\"/>";

      sSQL = "select * from editorials where " + sWhere;


      out.println("    <table style=\"\">");
      out.println("     <tr>\n      <td style=\"background-color: #336699; text-align: Center; border-style: outset; border-width: 1\" colspan=\"2\"><font style=\"font-size: 12pt; color: #FFFFFF; font-weight: bold\">文章</font></td>\n     </tr>");
      if ( ! seditorialsErr.equals("")) {
        out.println("     <tr>\n      <td style=\"background-color: #FFFFFF; border-width: 1\" colspan=\"2\"><font style=\"font-size: 10pt; color: #000000\">"+seditorialsErr+"</font></td>\n     </tr>");
      }
      seditorialsErr="";
      out.println("     <form method=\"get\" action=\""+sFileName+"\" name=\"editorials\">");

      java.sql.ResultSet rs = null;

      if ( bPK &&  ! (sAction.equals("insert") && "editorials".equals(sForm))) {

        // Open recordset
        rs = openrs( stat, sSQL);
        rs.next();
        String[] aFields = getFieldsName( rs );
        getRecordToHash( rs, rsHash, aFields );
        rs.close();
        fldarticle_id = (String) rsHash.get("article_id");
        if ( "".equals(seditorialsErr)) {
          // Load data from recordset when form displayed first time
          fldarticle_desc = (String) rsHash.get("article_desc");
          fldarticle_title = (String) rsHash.get("article_title");
          fldeditorial_cat_id = (String) rsHash.get("editorial_cat_id");
          flditem_id = (String) rsHash.get("item_id");
        }

        if (sAction.equals("") || ! "editorials".equals(sForm)) {
      
          fldarticle_id = (String) rsHash.get("article_id");
          fldarticle_desc = (String) rsHash.get("article_desc");
          fldarticle_title = (String) rsHash.get("article_title");
          fldeditorial_cat_id = (String) rsHash.get("editorial_cat_id");
          flditem_id = (String) rsHash.get("item_id");
        }
        
      }
      else {
        if ( "".equals(seditorialsErr)) {
          fldarticle_id = toHTML(getParam(request,"article_id"));
        }
      }
      


      // Show form field
      
      out.print("     <tr>\n      <td style=\"background-color: #FFEAC5; border-style: inset; border-width: 0\"><font style=\"font-size: 10pt; color: #000000\">文章描述</font></td><td style=\"background-color: #FFFFFF; border-width: 1\">"); out.print("<input type=\"text\"  name=\"article_desc\" maxlength=\"\" value=\""+toHTML(fldarticle_desc)+"\" size=\"\">");

      out.println("</td>\n     </tr>");
      
      out.print("     <tr>\n      <td style=\"background-color: #FFEAC5; border-style: inset; border-width: 0\"><font style=\"font-size: 10pt; color: #000000\">题目</font></td><td style=\"background-color: #FFFFFF; border-width: 1\">"); out.print("<input type=\"text\"  name=\"article_title\" maxlength=\"200\" value=\""+toHTML(fldarticle_title)+"\" size=\"50\">");

      out.println("</td>\n     </tr>");
      
      out.print("     <tr>\n      <td style=\"background-color: #FFEAC5; border-style: inset; border-width: 0\"><font style=\"font-size: 10pt; color: #000000\">类别</font></td><td style=\"background-color: #FFFFFF; border-width: 1\">"); 
      out.print("<select name=\"editorial_cat_id\">"+getOptions( conn, "select editorial_cat_id, editorial_cat_name from editorial_categories order by 2",false,true,fldeditorial_cat_id)+"</select>");
      
      out.println("</td>\n     </tr>");
      
      out.print("     <tr>\n      <td style=\"background-color: #FFEAC5; border-style: inset; border-width: 0\"><font style=\"font-size: 10pt; color: #000000\">书名</font></td><td style=\"background-color: #FFFFFF; border-width: 1\">"); 
      out.print("<select name=\"item_id\">"+getOptions( conn, "select item_id, name from items order by 2",false,false,flditem_id)+"</select>");
      
      out.println("</td>\n     </tr>");
      
      out.print("     <tr>\n      <td colspan=\"2\" align=\"right\">");
      

      if ( bPK && ! (sAction.equals("insert") && "editorials".equals(sForm))) {
        out.print("<input type=\"submit\" value=\"修改\" onclick=\"document.editorials.FormAction.value = 'update';\">");out.print("<input type=\"submit\" value=\"删除\" onclick=\"document.editorials.FormAction.value = 'delete';\">");out.print("<input type=\"submit\" value=\"取消\" onclick=\"document.editorials.FormAction.value = 'cancel';\">");
        out.print("<input type=\"hidden\" name=\"FormName\" value=\"editorials\"><input type=\"hidden\" value=\"update\" name=\"FormAction\">");
      }
      
      else {
        out.print("<input type=\"submit\" value=\"插入\" onclick=\"document.editorials.FormAction.value = 'insert';\">");out.print("<input type=\"submit\" value=\"取消\" onclick=\"document.editorials.FormAction.value = 'cancel';\">");
        out.print("<input type=\"hidden\" name=\"FormName\" value=\"editorials\"><input type=\"hidden\" value=\"insert\" name=\"FormAction\">");
      }out.print("<input type=\"hidden\" name=\"article_id\" value=\""+toHTML(fldarticle_id)+"\">");
      out.print(transitParamsHidden+requiredParams+primaryKeyParams);
      out.println("</td>\n     </tr>\n     </form>\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("/pages/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;charset=gb2312");
      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;

      out.write('\r');
      out.write('\n');


String cSec = checkSecurity(2, session, response, request);
if ("sendRedirect".equals(cSec) ) return;
                
boolean bDebug = false;

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

java.sql.Connection conn = null;
java.sql.Statement stat = null;
String sErr = loadDriver();
conn = cn();
stat = conn.createStatement();
if ( ! sErr.equals("") ) {
 try {
   out.println(sErr);
 }
 catch (Exception e) {}
}
if ( sForm.equals("editorials") ) {
  seditorialsErr = editorialsAction(request, response, session, out, sAction, sForm, conn, stat);
  if ( "sendRedirect".equals(seditorialsErr)) return;
}


      out.write("            \r\n");
      out.write("<html>\r\n");
      out.write("<head>\r\n");
      out.write("<title>Book Store</title>\r\n");
      out.write("<meta name=\"GENERATOR\" content=\"YesSoftware CodeCharge v.1.2.0 / JSP.ccp build 05/21/2001\"/>\r\n");
      out.write("<meta http-equiv=\"pragma\" content=\"no-cache\"/>\r\n");
      out.write("<meta http-equiv=\"expires\" content=\"0\"/>\r\n");
      out.write("<meta http-equiv=\"cache-control\" content=\"no-cache\"/>\r\n");
      out.write("<meta http-equiv=\"Content-Type\" content=\"text/html; charset=ISO-8859-1\">\r\n");
      out.write("</head>\r\n");
      out.write("<body style=\"background-color: #FFFFFF; color: #000000; font-family: Arial, Tahoma, Verdana, Helveticabackground-color: #FFFFFF; color: #000000; font-family: Arial, Tahoma, Verdana, Helvetica\">\r\n");
      org.apache.jasper.runtime.JspRuntimeLibrary.include(request, response, "Header.jsp", out, true);
      out.write("\r\n");
      out.write(" <table>\r\n");
      out.write("  <tr>\r\n");
      out.write("   \r\n");
      out.write("   <td valign=\"top\">\r\n");
 editorials_Show(request, response, session, out, seditorialsErr, sForm, sAction, conn, stat); 
      out.write("\r\n");
      out.write("    \r\n");
      out.write("   </td>\r\n");
      out.write("  </tr>\r\n");
      out.write(" </table>\r\n");
      out.write("\r\n");
      org.apache.jasper.runtime.JspRuntimeLibrary.include(request, response, "Footer.jsp", out, true);
      out.write("\r\n");
      out.write("</body>\r\n");
      out.write("</html>\r\n");

      out.write('\r');
      out.write('\n');

if ( stat != null ) stat.close();
if ( conn != null ) conn.close();

      out.write('\r');
      out.write('\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);
    }
  }
}