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    聊天室php&mysql(四)_PHP教程

    2016-07-21 16:04:27原创293
    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







    $max_row_length=30;

    $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 $max_row."
    ".$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){

    $user1="".$usert5."";
    }
    else $user1=$usert5;
    if($row["object"]!=$userid){

    $user2="".$bojectt5.""; }
    else $user2=$bojectt5;
    $message2=$row["message"];
    $message3=htmlspecialchars($message2);

    $message1="".$user1." 对".$user2." ".$row["action1"].": ".$message3."" ;

    if($row["status"]==1){
    if($row["object"]==$userid||$row["userid"]==$userid)
    echo "私聊".$time1." ".$message1."
    ";
    else continue;
    }
    else {
    echo $time1." ".$message1."
    ";

    }
    }

    ?>


    www.bkjia.comtruehttp://www.bkjia.com/PHPjc/315984.htmlTechArticle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-cac...

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