聊天室php&mysql(四)

5年以前 | 阅读数：357 次 | 编程语言：PHP

第四个页面 name="index.php"

<?
include "../signup/mysql.php";
header("Expires: Sun, 28 Dec 1997 09:32:45 GMT");
header("Cache-Control: no-cache, must-revalidate");
header("Pragma: no-cache");
header("Content-Type: text/html; charset=${Charset}");

charmain

$select="select row from user_message order by row DESC";   
    $result=mysql_query($select)or die(" false fgfg");   
    $rowlist=mysql_fetch_array($result)or die("false");   
    $max_row=$rowlist["row"];   


if($max_row>$max_row_length){   


    $delete_row=$max_row-$max_row_length+1;   

 // echo $max_row."<br>".$delete_row;   
     $select="select row from user_message where row<".$delete_row;   
    $result=mysql_query($select)or die(" false");   
    while($row=mysql_fetch_array($result))   
        {   
              $sql="delete from user_message where row <".$delete_row;   

              mysql_query($sql)or die ("del false1");   
         }   


        $left=$delete_row;   
             }   

else {$left=1;    

     }

for($i=$max_row; $i>=$left ;$i--)
{
$sql="SELECT message,userid,object,status,color,action1,time1 FROM user_message where row='$i'";
$result=mysql_query($sql)or die(mysql_error());
$row=mysql_fetch_array($result);
$time1=$row["time1"];

 $usert1=$row["userid"];   
 $objectt1=$row["object"];   
 $sql="select id from chat_user_list where userid='$usert1'";   
 $result=mysql_query($sql)or die(mysql_error());   
 $rowt1=mysql_fetch_array($result);   
 $usert5=$rowt1["id"];   

 $sql="select id from chat_user_list where userid='$objectt1'";   
 $result=mysql_query($sql)or die(mysql_error());   
 if($rowt2=mysql_fetch_array($result))   
 $bojectt5=$rowt2["id"];   
 else $bojectt5="大家";   



 if($row["userid"]!=$userid){   

 $user1="<a href='".$PHP_SELF."?userid=$userid'  onClick=parent.bottom.user('".$usert5."')>".$usert5."</a>";   
 }   
 else $user1=$usert5;   
 if($row["object"]!=$userid){   

 $user2="<a href='".$PHP_SELF."?userid=$userid'  onClick=parent.bottom.user('".$bojectt5."')>".$bojectt5."</a>"; }   
 else $user2=$bojectt5;   
 $message2=$row["message"];   
 $message3=htmlspecialchars($message2);

$message1="<font size=3 color=".$row["color"].">".$user1." 对".$user2." ".$row["action1"].": ".$message3."" ;

if($row["status"]==1){   
     if($row["object"]==$userid||$row["userid"]==$userid)   
    echo "<font size=2 color=ff0000 >私聊</font>".$time1." ".$message1."<br>";   
     else continue;   
     }   
else {    
    echo $time1." ".$message1."<br>";   

     }   
}