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📄 shoppingcart_jsp.java

📁 JSP网上书店系统 采用ACCESS数据库
💻 JAVA
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      }

      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 "";
  }




static final String sFileName = "ShoppingCart.jsp";
              



  void Items_Show (javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response, javax.servlet.http.HttpSession session, javax.servlet.jsp.JspWriter out, String sItemsErr, String sForm, String sAction, java.sql.Connection conn, java.sql.Statement stat) throws java.io.IOException  {
  
    String sWhere = "";
    int iCounter=0;
    int iPage = 0;
    boolean bIsScroll = true;
    boolean hasParam = false;
    String sOrder = "";
    String sSQL="";
    String transitParams = "";
    String sQueryString = "";
    String sPage = "";
    int RecordsPerPage = 20;
    String sSortParams = "";
    String formParams = "";

      String pUserID="";

boolean bReq = true; 
    // Build WHERE statement
        
    //-- Check UserID parameter and create a valid sql for where clause
  
    pUserID = (String)session.getAttribute("UserID");
    if ( ! isNumber (pUserID)) {
      pUserID = "";
    }
    
    if (pUserID != null && ! pUserID.equals("")) {
            
        hasParam = true;
        sWhere += "member_id=" + pUserID;
    }
    
    else bReq = false;
    if (hasParam) { sWhere = " AND (" + sWhere + ")"; }

  // Build full SQL statement
  
  sSQL = "SELECT order_id, name, price, quantity, member_id, quantity*price as sub_total FROM items, orders WHERE orders.item_id=items.item_id" + sWhere + " ORDER BY order_id";
  

  String sNoRecords = "     <tr>\n      <td colspan=\"6\" style=\"background-color: #FFFFFF; border-width: 1\"><font style=\"font-size: 10pt; color: #000000\">没有记录</font></td>\n     </tr>";


  String tableHeader = "";
    tableHeader = "     <tr>\n      <td colspan=\"1\" style=\"background-color: #FFFFFF; border-style: inset; border-width: 0\"><font style=\"font-size: 10pt; color: #CE7E00; font-weight: bold\">详情</font></td>\n      <td colspan=\"1\" style=\"background-color: #FFFFFF; border-style: inset; border-width: 0\"><font style=\"font-size: 10pt; color: #CE7E00; font-weight: bold\">订单 #</font></td>\n      <td colspan=\"1\" style=\"background-color: #FFFFFF; border-style: inset; border-width: 0\"><font style=\"font-size: 10pt; color: #CE7E00; font-weight: bold\">书名</font></td>\n      <td colspan=\"1\" style=\"background-color: #FFFFFF; border-style: inset; border-width: 0\"><font style=\"font-size: 10pt; color: #CE7E00; font-weight: bold\">价格</font></td>\n      <td colspan=\"1\" style=\"background-color: #FFFFFF; border-style: inset; border-width: 0\"><font style=\"font-size: 10pt; color: #CE7E00; font-weight: bold\">数量</font></td>\n      <td colspan=\"1\" style=\"background-color: #FFFFFF; border-style: inset; border-width: 0\"><font style=\"font-size: 10pt; color: #CE7E00; font-weight: bold\">总价</font></td>\n     </tr>";
  
  
  try {
    out.println("    <table style=\"\">");
    out.println("     <tr>\n      <td style=\"background-color: #336699; text-align: Center; border-style: outset; border-width: 1\" colspan=\"6\"><a name=\"Items\"><font style=\"font-size: 12pt; color: #FFFFFF; font-weight: bold\">项目</font></a></td>\n     </tr>");
    out.println(tableHeader);

    if ( ! bReq ) {
      out.println(sNoRecords);
      out.println("    </table>");
      return;
    }

  }
  catch (Exception e) {}

  
  try {
    java.sql.ResultSet rs = null;
    // Open recordset
    rs = openrs( stat, sSQL);
    iCounter = 0;
    
    java.util.Hashtable rsHash = new java.util.Hashtable();
    String[] aFields = getFieldsName( rs );

    // Show main table based on recordset
    while ( rs.next() ) {

      getRecordToHash( rs, rsHash, aFields );
      String flditem_id = (String) rsHash.get("name");
      String fldorder_id = (String) rsHash.get("order_id");
      String fldprice = (String) rsHash.get("price");
      String fldquantity = (String) rsHash.get("quantity");
      String fldsub_total = (String) rsHash.get("sub_total");
      String fldField1= "Details";

      out.println("     <tr>");
      
      out.print("      <td style=\"background-color: #FFFFFF; border-width: 1\">"); out.print("<a href=\"ShoppingCartRecord.jsp?"+transitParams+"order_id="+toURL((String) rsHash.get("order_id"))+"&\"><font style=\"font-size: 10pt; color: #000000\">"+toHTML(fldField1)+"</font></a>");

      out.println("</td>");
      out.print("      <td style=\"background-color: #FFFFFF; border-width: 1\">"); out.print("<font style=\"font-size: 10pt; color: #000000\">"+toHTML(fldorder_id)+"&nbsp;</font>");
      out.println("</td>");
      out.print("      <td style=\"background-color: #FFFFFF; border-width: 1\">"); out.print("<font style=\"font-size: 10pt; color: #000000\">"+toHTML(flditem_id)+"&nbsp;</font>");
      out.println("</td>");
      out.print("      <td style=\"background-color: #FFFFFF; border-width: 1\">"); out.print("<font style=\"font-size: 10pt; color: #000000\">"+toHTML(fldprice)+"&nbsp;</font>");
      out.println("</td>");
      out.print("      <td style=\"background-color: #FFFFFF; border-width: 1\">"); out.print("<font style=\"font-size: 10pt; color: #000000\">"+toHTML(fldquantity)+"&nbsp;</font>");
      out.println("</td>");
      out.print("      <td style=\"background-color: #FFFFFF; border-width: 1\">"); out.print("<font style=\"font-size: 10pt; color: #000000\">"+toHTML(fldsub_total)+"&nbsp;</font>");
      out.println("</td>");
      out.println("     </tr>");
    
      iCounter++;
    }
    if (iCounter == 0) {
      // Recordset is empty
      out.println(sNoRecords);
    
      iCounter = RecordsPerPage+1;
      bIsScroll = false;
    }

    if ( rs != null ) rs.close();
    out.println("    </table>");
    
  }
  catch (Exception e) { out.println(e.toString()); }
}


  void Total_Show (javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response, javax.servlet.http.HttpSession session, javax.servlet.jsp.JspWriter out, String sTotalErr, String sForm, String sAction, java.sql.Connection conn, java.sql.Statement stat) throws java.io.IOException  {
  
    String sWhere = "";
    int iCounter=0;
    int iPage = 0;
    boolean bIsScroll = true;
    boolean hasParam = false;
    String sOrder = "";
    String sSQL="";
    String transitParams = "";
    String sQueryString = "";
    String sPage = "";
    int RecordsPerPage = 20;
    String sSortParams = "";
    String formParams = "";

      String pUserID="";

boolean bReq = true; 
    // Build WHERE statement
        
    //-- Check UserID parameter and create a valid sql for where clause
  
    pUserID = (String)session.getAttribute("UserID");
    if ( ! isNumber (pUserID)) {
      pUserID = "";
    }
    
    if (pUserID != null && ! pUserID.equals("")) {
            
        hasParam = true;
        sWhere += "member_id=" + pUserID;
    }
    
    else bReq = false;
    if (hasParam) { sWhere = " AND (" + sWhere + ")"; }

  // Build full SQL statement
  
  sSQL = "SELECT member_id, sum(quantity*price) as sub_total FROM items, orders WHERE orders.item_id=items.item_id" + sWhere + " GROUP BY member_id";
  

  String sNoRecords = "     <tr>\n      <td colspan=\"1\" style=\"background-color: #FFFFFF; border-width: 1\"><font style=\"font-size: 10pt; color: #000000\">没有记录</font></td>\n     </tr>";


  String tableHeader = "";
    tableHeader = "     <tr>\n      <td colspan=\"1\" style=\"background-color: #FFFFFF; border-style: inset; border-width: 0\"><font style=\"font-size: 10pt; color: #CE7E00; font-weight: bold\">总价</font></td>\n     </tr>";
  
  
  try {
    out.println("    <table style=\"\">");
    
    out.println(tableHeader);

    if ( ! bReq ) {
      out.println(sNoRecords);
      out.println("    </table>");
      return;
    }

  }
  catch (Exception e) {}

  
  try {
    java.sql.ResultSet rs = null;
    // Open recordset
    rs = openrs( stat, sSQL);
    iCounter = 0;
    
    java.util.Hashtable rsHash = new java.util.Hashtable();
    String[] aFields = getFieldsName( rs );

    // Show main table based on recordset
    while ( rs.next() ) {

      getRecordToHash( rs, rsHash, aFields );
      String fldsub_total = (String) rsHash.get("sub_total");

      out.println("     <tr>");
      
      out.print("      <td style=\"background-color: #FFFFFF; border-width: 1\">"); out.print("<font style=\"font-size: 10pt; color: #000000\">"+toHTML(fldsub_total)+"&nbsp;</font>");
      out.println("</td>");
      out.println("     </tr>");
    
      iCounter++;
    }
    if (iCounter == 0) {
      // Recordset is empty
      out.println(sNoRecords);
    
      iCounter = RecordsPerPage+1;
      bIsScroll = false;
    }

    if ( rs != null ) rs.close();
    out.println("    </table>");
    
  }
  catch (Exception e) { out.println(e.toString()); }
}



  String MemberAction(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 sMemberErr ="";
    try {

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

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

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