📄 index.jsp
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<%@ page contentType="text/html;charset=gb2312"%>
<%@ include file="Common.jsp" %><%!
// Filename: index.jsp
static final String sFileName = "index.jsp";
static final String PageBODY = "link=\"#000000\" vlink=\"#0033cc\" alink=\"red\"";
static final String FormTABLE = "border=\"0\" cellspacing=\"1\" cellpadding=\"3\"";
static final String FormHeaderTD = "bgcolor=\"#c2c2c2\"";
static final String FormHeaderFONT = "face=\"arial\" style=\"font:bold\" color=\"#0033cc\"";
static final String FieldCaptionTD = "bgcolor=\"#f2f2f2\"";
static final String FieldCaptionFONT = "face=\"arial\" size=\"2\" style=\"font:bold\" color=\"#0033cc\"";
static final String DataTD = "";
static final String DataFONT = "face=\"arial\" size=\"2\"";
static final String ColumnFONT = "face=\"arial\" size=\"2\" style=\"font:bold\" color=\"#0033cc\"";
static final String ColumnTD = "bgcolor=\"#f2f2f2\"";
%>
<%
boolean bDebug = false;
String sAction = getParam( request, "FormAction");
String sForm = getParam( request, "FormName");
String sMessagesErr = "";
String sSearchErr = "";
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>Forum</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 link="#000000" vlink="#0033cc" alink="red">
<jsp:include page="header.jsp" flush="true"/>
<table>
<tr>
<td valign="top">
<% Search_Show(request, response, session, out, sSearchErr, sForm, sAction, conn, stat); %>
</td>
</tr>
</table>
<table>
<tr>
<td valign="top">
<% Messages_Show(request, response, session, out, sMessagesErr, sForm, sAction, conn, stat); %>
</td>
</tr>
</table>
</body>
</html>
<%
if ( stat != null ) stat.close();
if ( conn != null ) conn.close();
%>
<%!
void Messages_Show (javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response, javax.servlet.http.HttpSession session, javax.servlet.jsp.JspWriter out, String sMessagesErr, 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 ps_topic="";
transitParams = "s_topic=" + toURL(getParam( request, "s_topic")) + "&";
formParams = "s_topic=" + toURL(getParam( request, "s_topic")) + "&";
// Build WHERE statement
// Check Messages parameter and create a valid sql for where clause
ps_topic = getParam( request, "s_topic");
if ( ! ps_topic.equals("") ) {
hasParam = true;
sWhere = "m.topic like '%" + replace(ps_topic, "'", "''") + "%'" + " or " + "m.message like '%" + replace(ps_topic, "'", "''") + "%'";}
if (hasParam) {
sWhere = " WHERE (message_parent_id is null) AND (" + sWhere + ")";
}
else {
sWhere = " WHERE message_parent_id is null";
}
// Build ORDER statement
sOrder = " order by m.date_entered Desc";
String sSort = getParam( request, "FormMessages_Sorting");
String sSorted = getParam( request, "FormMessages_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 = "FormMessages_Sorting=" + sSort + "&FormMessages_Sorted=" + sSort + "&";
}
else {
sSorted=sSort;
sForm_Sorting = sSort;
sDirection = " ASC";
sSortParams = "FormMessages_Sorting=" + sSort + "&FormMessages_Sorted=" + "&";
}
if ( iSort == 1) { sOrder = " order by m.topic" + sDirection; }
if ( iSort == 2) { sOrder = " order by m.author" + sDirection; }
if ( iSort == 3) { sOrder = " order by m.date_entered" + sDirection; }
}
// Build full SQL statement
sSQL = "select m.author as m_author, " +
"m.date_entered as m_date_entered, " +
"m.message as m_message, " +
"m.message_id as m_message_id, " +
"m.topic as m_topic " +
" from messages m ";
sSQL = sSQL + sWhere + sOrder;
String sNoRecords = " <tr>\n <td colspan=\"4\" ><font face=\"arial\" size=\"2\">No records</font></td>\n </tr>";
String tableHeader = "";
tableHeader = " <tr>\n <td bgcolor=\"#f2f2f2\"><a &\"><font face=\"arial\" size=\"2\" style=\"font:bold\" color=\"#0033cc\"></font></a></td>\n <td bgcolor=\"#f2f2f2\"><a href=\""+sFileName+"?"+formParams+"FormMessages_Sorting=1&FormMessages_Sorted="+sSorted+"&\"><font face=\"arial\" size=\"2\" style=\"font:bold\" color=\"#0033cc\">文章标题</font></a></td>\n <td bgcolor=\"#f2f2f2\"><a href=\""+sFileName+"?"+formParams+"FormMessages_Sorting=2&FormMessages_Sorted="+sSorted+"&\"><font face=\"arial\" size=\"2\" style=\"font:bold\" color=\"#0033cc\">作者</font></a></td>\n <td bgcolor=\"#f2f2f2\"><a href=\""+sFileName+"?"+formParams+"FormMessages_Sorting=3&FormMessages_Sorted="+sSorted+"&\"><font face=\"arial\" size=\"2\" style=\"font:bold\" color=\"#0033cc\">发表日期</font></a></td>\n </tr>";
try {
out.println(" <table border=\"0\" cellspacing=\"1\" cellpadding=\"3\">");
out.println(" <tr>\n <td bgcolor=\"#c2c2c2\" colspan=\"4\"><a name=\"Messages\"><font face=\"arial\" style=\"font:bold\" color=\"#0033cc\">讨论区</font></a></td>\n </tr>");
out.println(tableHeader);
}
catch (Exception e) {}
try {
// Select current page
iPage = Integer.parseInt(getParam( request, "FormMessages_Page"));
}
catch (NumberFormatException e ) {
iPage = 0;
}
if (iPage == 0) { iPage = 1; }
RecordsPerPage = 25;
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("m_author");
String flddate_entered = (String) rsHash.get("m_date_entered");
String fldmessage_id = (String) rsHash.get("m_message_id");
String fldtopic = (String) rsHash.get("m_topic");
String fldField1= "<img src=images/Thread_small.gif>";
out.println(" <tr>");
out.print(" <td >"); out.print("<font face=\"arial\" size=\"2\">"+fldField1+" </font>");
out.println("</td>");
out.print(" <td >"); out.print("<a href=\"viewthread.jsp?"+"mid="+toURL((String) rsHash.get("m_message_id"))+"&\"><font face=\"arial\" size=\"2\">"+toHTML(fldtopic)+"</font></a>");
out.println("</td>");
out.print(" <td >"); out.print("<font face=\"arial\" size=\"2\">"+toHTML(fldauthor)+" </font>");
out.println("</td>");
out.print(" <td >"); out.print("<font face=\"arial\" size=\"2\">"+toHTML(flddate_entered)+" </font>");
out.println("</td>");
out.println(" </tr>");
iCounter++;
}
if (iCounter == 0) {
// Recordset is empty
out.println(sNoRecords);
out.print(" <tr>\n <td colspan=\"4\" bgcolor=\"#f2f2f2\"><font face=\"arial\" size=\"2\" style=\"font:bold\" color=\"#0033cc\">");
out.print("<a href=\"newthread.jsp?"+formParams+"\"><font face=\"arial\" size=\"2\" style=\"font:bold\" color=\"#0033cc\"><img border=\"0\" src=\"images/thread.gif\"></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=\"4\" bgcolor=\"#f2f2f2\">\n <font face=\"arial\" size=\"2\" style=\"font:bold\" color=\"#0033cc\">");
out.print("\n <a href=\"newthread.jsp?"+formParams+"\"><font face=\"arial\" size=\"2\" style=\"font:bold\" color=\"#0033cc\"><img border=\"0\" src=\"images/thread.gif\"></font></a> ");
out.println("\n </td>\n </tr>");
}
else {
out.print(" <tr>\n <td colspan=\"4\" bgcolor=\"#f2f2f2\"><font face=\"arial\" size=\"2\" style=\"font:bold\" color=\"#0033cc\">");
out.print("\n <a href=\"newthread.jsp?"+formParams+"\"><font face=\"arial\" size=\"2\" style=\"font:bold\" color=\"#0033cc\"><img border=\"0\" src=\"images/thread.gif\"></font></a> ");
bInsert = true;
if ( iPage == 1 ) {
out.print("\n <a href_=\"#\"><font face=\"arial\" size=\"2\" style=\"font:bold\" color=\"#0033cc\">Previous</font></a>");
}
else {
out.print("\n <a href=\""+sFileName+"?"+formParams+sSortParams+"FormMessages_Page="+(iPage - 1)+"#Form\"><font face=\"arial\" size=\"2\" style=\"font:bold\" color=\"#0033cc\">Previous</font></a>");
}
out.print("\n [ "+iPage+" ]");
if (!bNext) {
out.print("\n <a href_=\"#\"><font face=\"arial\" size=\"2\" style=\"font:bold\" color=\"#0033cc\">Next</font></a><br>");
}
else {
out.print("\n <a href=\""+sFileName+"?"+formParams+sSortParams+"FormMessages_Page="+(iPage + 1)+"#Form\"><font face=\"arial\" size=\"2\" style=\"font:bold\" color=\"#0033cc\">Next</font></a><br>");
}
if ( ! bInsert ) {
out.print(" <tr>\n <td colspan=\"4\" bgcolor=\"#f2f2f2\"><font face=\"arial\" size=\"2\" style=\"font:bold\" color=\"#0033cc\">");
out.print("\n <a href=\"newthread.jsp?"+formParams+"\"><font face=\"arial\" size=\"2\" style=\"font:bold\" color=\"#0033cc\"><img border=\"0\" src=\"images/thread.gif\"></font></a> ");
}
out.println("</td>\n </tr>");
}
}
if ( rs != null ) rs.close();
out.println(" </table>");
}
catch (Exception e) { out.println(e.toString()); }
}
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 flds_topic="";
String sSQL="";
String transitParams = "";
String sQueryString = "";
String sPage = "";
out.println(" <table border=\"0\" cellspacing=\"1\" cellpadding=\"3\">");
out.println(" <form method=\"get\" action=\"searches.jsp\" name=\"Search\">\n <tr>");
// Set variables with search parameters
flds_topic = getParam( request, "s_topic");
// Show fields
out.println(" <td bgcolor=\"#f2f2f2\"><font face=\"arial\" size=\"2\" style=\"font:bold\" color=\"#0033cc\"></font></td>");
out.print(" <td >"); out.print("<input type=\"text\" name=\"s_topic\" maxlength=\"50\" value=\""+toHTML(flds_topic)+"\" size=\"\">");
out.println("</td>");
out.println(" <td ><input type=\"submit\" value=\"Search\"/></td>");
out.println(" </tr>\n </form>\n </table>");
out.println("");
}
catch (Exception e) { out.println(e.toString()); }
}
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