📄 default.jsp
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<%@ page contentType="text/html;charset=gb2312"%>
<%@ include file="Common.jsp" %><%!
//
// Filename: Default.jsp
static final String sFileName = "Default.jsp";
%><%
boolean bDebug = false;
String sAction = getParam( request, "FormAction");
String sForm = getParam( request, "FormName");
String sSearchErr = "";
String sAdvMenuErr = "";
String sRecommendedErr = "";
String sWhatErr = "";
String sCategoriesErr = "";
String sNewErr = "";
String sWeeklyErr = "";
String sSpecialsErr = "";
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=gb2312">
</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">
<% Search_Show(request, response, session, out, sSearchErr, sForm, sAction, conn, stat); %>
<% AdvMenu_Show(request, response, session, out, sAdvMenuErr, sForm, sAction, conn, stat); %>
<% Categories_Show(request, response, session, out, sCategoriesErr, sForm, sAction, conn, stat); %>
<% Specials_Show(request, response, session, out, sSpecialsErr, sForm, sAction, conn, stat); %>
</td>
<td valign="top"><table width="250"><tr><td></td></tr></table>
<% Recommended_Show(request, response, session, out, sRecommendedErr, sForm, sAction, conn, stat); %>
</td>
<td valign="top">
<% What_Show(request, response, session, out, sWhatErr, sForm, sAction, conn, stat); %>
<% New_Show(request, response, session, out, sNewErr, sForm, sAction, conn, stat); %>
<% Weekly_Show(request, response, session, out, sWeeklyErr, 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 Search_Show (javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response, javax.servlet.http.HttpSession session, javax.servlet.jsp.JspWriter out, String sSearchErr, String sForm, String sAction, java.sql.Connection conn, java.sql.Statement stat) throws java.io.IOException {
try {
String fldcategory_id="";
String fldname="";
String sSQL="";
String transitParams = "";
String sQueryString = "";
String sPage = "";
out.println(" <table style=\"\">");
out.println(" <tr>\n <td style=\"background-color: #336699; text-align: Center; border-style: outset; border-width: 1\" colspan=\"5\"><a name=\"Search\"><font style=\"font-size: 12pt; color: #FFFFFF; font-weight: bold\">搜索</font></a></td>\n </tr>");
out.println(" <form method=\"get\" action=\"Books.jsp\" name=\"Search\">\n <tr>");
// Set variables with search parameters
fldcategory_id = getParam( request, "category_id");
fldname = getParam( request, "name");
// Show fields
out.println(" <td style=\"background-color: #FFEAC5; border-style: inset; border-width: 0\"><font style=\"font-size: 10pt; color: #000000\">图书种类</font></td>");
out.print(" <td style=\"background-color: #FFFFFF; border-width: 1\">");
out.print("<select name=\"category_id\">"+getOptions( conn, "select category_id, name from categories order by 2",true,false,fldcategory_id)+"</select>");
out.println("</td>\n </tr>\n <tr>");
out.println(" <td style=\"background-color: #FFEAC5; border-style: inset; border-width: 0\"><font style=\"font-size: 10pt; color: #000000\">书名</font></td>");
out.print(" <td style=\"background-color: #FFFFFF; border-width: 1\">"); out.print("<input type=\"text\" name=\"name\" maxlength=\"10\" value=\""+toHTML(fldname)+"\" size=\"10\">");
out.println("</td>\n </tr>\n <tr>");
out.println(" <td align=\"right\" colspan=\"3\"><input type=\"submit\" value=\"Search\"/></td>");
out.println(" </tr>\n </form>\n </table>");
out.println("");
}
catch (Exception e) { out.println(e.toString()); }
}
void AdvMenu_Show (javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response, javax.servlet.http.HttpSession session, javax.servlet.jsp.JspWriter out, String sAdvMenuErr, String sForm, String sAction, java.sql.Connection conn, java.sql.Statement stat) throws java.io.IOException {
try {
out.println(" <table style=\"\">");
out.println(" <tr>\n <td colspan=\"1\" style=\"background-color: #336699; text-align: Center; border-style: outset; border-width: 1\"><font style=\"font-size: 12pt; color: #FFFFFF; font-weight: bold\">更多搜索设置</font></td>\n </tr>");
out.print(" <tr>");
// Set URLs
String fldField1 = "AdvSearch.jsp";
// Show fields
out.print("\n <td style=\"background-color: #FFFFFF; border-width: 1\"><a href=\""+fldField1+"\"><font style=\"font-size: 10pt; color: #000000\">高级搜索</font></a></td>");
out.println("\n </tr>\n </table>");
}
catch (Exception e) { out.println(e.toString()); }
}
void Recommended_Show (javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response, javax.servlet.http.HttpSession session, javax.servlet.jsp.JspWriter out, String sRecommendedErr, 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
sWhere = " WHERE is_recommended=1";
// Build ORDER statement
String sSort = getParam( request, "FormRecommended_Sorting");
String sSorted = getParam( request, "FormRecommended_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 = "FormRecommended_Sorting=" + sSort + "&FormRecommended_Sorted=" + sSort + "&";
}
else {
sSorted=sSort;
sForm_Sorting = sSort;
sDirection = " ASC";
sSortParams = "FormRecommended_Sorting=" + sSort + "&FormRecommended_Sorted=" + "&";
}
if ( iSort == 1) { sOrder = " order by i.name" + sDirection; }
if ( iSort == 2) { sOrder = " order by i.author" + sDirection; }
if ( iSort == 3) { sOrder = " order by i.image_url" + sDirection; }
if ( iSort == 4) { sOrder = " order by i.price" + sDirection; }
}
// Build full SQL statement
sSQL = "select i.author as i_author, " +
"i.image_url as i_image_url, " +
"i.item_id as i_item_id, " +
"i.name as i_name, " +
"i.price as i_price " +
" from items i ";
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 = "";
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=\"Recommended\"><font style=\"font-size: 12pt; color: #FFFFFF; font-weight: bold\">推荐图书</font></a></td>\n </tr>");
out.println(tableHeader);
}
catch (Exception e) {}
try {
// Select current page
iPage = Integer.parseInt(getParam( request, "FormRecommended_Page"));
}
catch (NumberFormatException e ) {
iPage = 0;
}
if (iPage == 0) { iPage = 1; }
RecordsPerPage = 5;
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 fldauthor = (String) rsHash.get("i_author");
String fldimage_url = (String) rsHash.get("i_image_url");
String fldname = (String) rsHash.get("i_name");
String fldprice = (String) rsHash.get("i_price");
fldimage_url="<img border=0 src=" + fldimage_url + ">";
out.print(" <tr>\n <td style=\"background-color: #FFFFFF; border-style: inset; border-width: 0\"><font style=\"font-size: 10pt; color: #CE7E00; font-weight: bold\"></font> </td></tr><tr><td style=\"background-color: #FFFFFF; border-width: 1\">"); out.print("<a href=\"BookDetail.jsp?"+transitParams+"item_id="+toURL((String) rsHash.get("i_item_id"))+"&\"><font style=\"font-size: 10pt; color: #000000\">"+toHTML(fldname)+"</font></a>");
out.println("</td>\n </tr>");
out.print(" <tr>\n <td style=\"background-color: #FFFFFF; border-style: inset; border-width: 0\"><font style=\"font-size: 10pt; color: #CE7E00; font-weight: bold\"></font> </td></tr><tr><td style=\"background-color: #FFFFFF; border-width: 1\">"); out.print("<font style=\"font-size: 10pt; color: #000000\">"+toHTML(fldauthor)+" </font>");
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