?? categoriesgrid.jsp
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<%@ page contentType="text/html;charset=gb2312"%>
<%@ include file="Common.jsp" %><%!
//
// Filename: CategoriesGrid.jsp
static final String sFileName = "CategoriesGrid.jsp";
%><%
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 sCategoriesErr = "";
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) {}
}
%>
<html>
<head>
<title>Book Store</title>
<meta http-equiv="pragma" content="no-cache"/>
<meta http-equiv="expires" content="0"/>
<meta http-equiv="cache-control" content="no-cache"/>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
</head>
<body style="background-color: #FFFFFF; color: #000000; font-family: Arial, Tahoma, Verdana, Helveticabackground-color: #FFFFFF; color: #000000; font-family: Arial, Tahoma, Verdana, Helvetica">
<jsp:include page="Header.jsp" flush="true"/>
<table>
<tr>
<td valign="top">
<% Categories_Show(request, response, session, out, sCategoriesErr, sForm, sAction, conn, stat); %>
</td>
</tr>
</table>
<jsp:include page="Footer.jsp" flush="true"/>
</body>
</html>
<%%>
<%
if ( stat != null ) stat.close();
if ( conn != null ) conn.close();
%>
<%!
void Categories_Show (javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response, javax.servlet.http.HttpSession session, javax.servlet.jsp.JspWriter out, String sCategoriesErr, 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 = "";
// Build WHERE statement
// Build ORDER statement
sOrder = " order by c.name Asc";
String sSort = getParam( request, "FormCategories_Sorting");
String sSorted = getParam( request, "FormCategories_Sorted");
String sDirection = "";
String sForm_Sorting = "";
int iSort = 0;
try {
iSort = Integer.parseInt(sSort);
}
catch (NumberFormatException e ) {
sSort = "";
}
if ( iSort == 0 ) {
sForm_Sorting = "";
}
else {
if ( sSort.equals(sSorted)) {
sSorted="0";
sForm_Sorting = "";
sDirection = " DESC";
sSortParams = "FormCategories_Sorting=" + sSort + "&FormCategories_Sorted=" + sSort + "&";
}
else {
sSorted=sSort;
sForm_Sorting = sSort;
sDirection = " ASC";
sSortParams = "FormCategories_Sorting=" + sSort + "&FormCategories_Sorted=" + "&";
}
if ( iSort == 1) { sOrder = " order by c.name" + sDirection; }
}
// Build full SQL statement
sSQL = "select c.category_id as c_category_id, " +
"c.name as c_name " +
" from categories c ";
sSQL = sSQL + sWhere + sOrder;
String sNoRecords = " <tr>\n <td colspan=\"1\" style=\"background-color: #FFFFFF; border-width: 1\"><font style=\"font-size: 10pt; color: #000000\">No records</font></td>\n </tr>";
String tableHeader = "";
tableHeader = " <tr>\n <td style=\"background-color: #FFFFFF; border-style: inset; border-width: 0\"><a href=\""+sFileName+"?"+formParams+"FormCategories_Sorting=1&FormCategories_Sorted="+sSorted+"&\"><font style=\"font-size: 10pt; color: #CE7E00; font-weight: bold\">分類名稱</font></a></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=\"1\"><a name=\"Categories\"><font style=\"font-size: 12pt; color: #FFFFFF; font-weight: bold\">圖書分類</font></a></td>\n </tr>");
out.println(tableHeader);
}
catch (Exception e) {}
try {
// Select current page
iPage = Integer.parseInt(getParam( request, "FormCategories_Page"));
}
catch (NumberFormatException e ) {
iPage = 0;
}
if (iPage == 0) { iPage = 1; }
RecordsPerPage = 20;
try {
java.sql.ResultSet rs = null;
// Open recordset
rs = openrs( stat, sSQL);
iCounter = 0;
absolute (rs, (iPage-1)*RecordsPerPage+1);
java.util.Hashtable rsHash = new java.util.Hashtable();
String[] aFields = getFieldsName( rs );
// Show main table based on recordset
while ( (iCounter < RecordsPerPage) && rs.next() ) {
getRecordToHash( rs, rsHash, aFields );
String fldname = (String) rsHash.get("c_name");
out.println(" <tr>");
out.print(" <td style=\"background-color: #FFFFFF; border-width: 1\">"); out.print("<a href=\"CategoriesRecord.jsp?"+transitParams+"category_id="+toURL((String) rsHash.get("c_category_id"))+"&\"><font style=\"font-size: 10pt; color: #000000\">"+toHTML(fldname)+"</font></a>");
out.println("</td>");
out.println(" </tr>");
iCounter++;
}
if (iCounter == 0) {
// Recordset is empty
out.println(sNoRecords);
out.print(" <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\">");
out.print("<a href=\"CategoriesRecord.jsp?"+formParams+"\"><font style=\"font-size: 10pt; color: #CE7E00; font-weight: bold\">添加</font></a> ");
out.println("</td>\n </tr>");
iCounter = RecordsPerPage+1;
bIsScroll = false;
}
else {
// Parse scroller
boolean bInsert = false;
boolean bNext = rs.next();
if ( !bNext && iPage == 1 ) {
out.print(" <tr>\n <td colspan=\"1\" style=\"background-color: #FFFFFF; border-style: inset; border-width: 0\">\n <font style=\"font-size: 10pt; color: #CE7E00; font-weight: bold\">");
out.print("\n <a href=\"CategoriesRecord.jsp?"+formParams+"\"><font style=\"font-size: 10pt; color: #CE7E00; font-weight: bold\">添加</font></a> ");
out.println("\n </td>\n </tr>");
}
else {
out.print(" <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\">");
out.print("\n <a href=\"CategoriesRecord.jsp?"+formParams+"\"><font style=\"font-size: 10pt; color: #CE7E00; font-weight: bold\">添加</font></a> ");
bInsert = true;
if ( iPage == 1 ) {
out.print("\n <a href_=\"#\"><font style=\"font-size: 10pt; color: #CE7E00; font-weight: bold\">Previous</font></a>");
}
else {
out.print("\n <a href=\""+sFileName+"?"+formParams+sSortParams+"FormCategories_Page="+(iPage - 1)+"#Form\"><font style=\"font-size: 10pt; color: #CE7E00; font-weight: bold\">Previous</font></a>");
}
out.print("\n [ "+iPage+" ]");
if (!bNext) {
out.print("\n <a href_=\"#\"><font style=\"font-size: 10pt; color: #CE7E00; font-weight: bold\">Next</font></a><br>");
}
else {
out.print("\n <a href=\""+sFileName+"?"+formParams+sSortParams+"FormCategories_Page="+(iPage + 1)+"#Form\"><font style=\"font-size: 10pt; color: #CE7E00; font-weight: bold\">Next</font></a><br>");
}
if ( ! bInsert ) {
out.print(" <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\">");
out.print("\n <a href=\"CategoriesRecord.jsp?"+formParams+"\"><font style=\"font-size: 10pt; color: #CE7E00; font-weight: bold\">添加</font></a> ");
}
out.println("</td>\n </tr>");
}
}
if ( rs != null ) rs.close();
out.println(" </table>");
}
catch (Exception e) { out.println(e.toString()); }
}
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