采用行写方式的聊天程序（之四）

08-04-21 来源：[db:作者]

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（接前面部分）

<body leftmargin="0" topmargin="0">
<div align=center>
<br>
<form method="post" action="lt3.php(做为现在的主流开发语言)" name="fyq"  target="bforlt3" onsubmit=return(checksays());>

<input type=hidden name=oldsays value=>

姓名: <input type="text" name="username" maxlength="10" >

说:<input type="text" name="saystemp" maxlength="200" size="50" >

<input type="submit" name="send" value="发言" >

<br>

<input type=checkbox name=towhoway value=1 onclick="document.forms[0].saystemp.focus();">
<a href=# onMouseOver="window.status=选中本; return true"
            onMouseOut="window.status=;        return true" onClick="document.forms[0].towhoway.checked=!(document.forms[0].towhoway.checked);   document.forms[0].saystemp.focus();" title="悄悄话儿悄悄说"><font color=black>私聊</font></a>

<select name=towho style=font-size:12px onClick=dj()>
<option value=大家 selected>大家</select>

动作:<select name=addsign onchange="rc(this.value);" style=font-size:12px>
     <option value="0" selected>----</option>
     <option value="//热情地向在场的所有人打招呼。">招呼</option>
    </select>

<input type=hidden name="fontsize" size=3>
<input type=hidden name="lineheight" size=3>
<input type=hidden name="oldtitleline" value="0">

<input onclick="javascript:cls();" type="button" value="清屏" style="background-color:FFFFFF;color:000000;border: 1 double">

<input access(小型网站之最爱)key="a" type="checkbox" name="as" checked onclick=parent.f1.scrollit();document.fyq.saystemp.focus();>
<a href="#" onclick="Javascript:document.fyq.as.checked=!document.fyq.as.checked;
parent.f1.scrollit();
document.fyq.saystemp.focus();">滚屏</a>

</form>
<script>
parent.wu();
write();
document.fyq.saystemp.focus();
</script>
</body>
</html>

lt3.php(做为现在的主流开发语言)
处理发言信息

<?
session_start();
include("g_fun.php(做为现在的主流开发语言)");
f_connectdb();

$query  = "select max(lt_id) as rmaxid from lt_t_content";
$res = MySQL(和PHP搭配之最佳组合)_query($query, $dbh);
$row = MySQL(和PHP搭配之最佳组合)_fetch_array($res);
$maxid =  $row["rmaxid"];
if (empty($maxid)) { $maxid = 0; }
$maxid = $maxid + 1;
//增加聊天信息
$query  = "insert into lt_t_content(lt_id,lt_speaker,lt_speaked,lt_secrecy,lt_content,lt_time,lt_face)";
$query .= " values(".$maxid.",".$username.",".$towho.",1,".$oldsays.",now(),1)";
$res = MySQL(和PHP搭配之最佳组合)_query($query, $dbh);

//修改最后聊天时间,判断用户是否存在，防止超时被删除
$query  = "select count(*) as rcount from lt_t_online where lt_username = ".$username."";
$res = MySQL(和PHP搭配之最佳组合)_query($query, $dbh);
$row = MySQL(和PHP搭配之最佳组合)_fetch_array($res);
$lcount =  $row["rcount"];
if ($lcount == 0) {

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