php综合练习--mymessbox--user说说

<?php 

    $conn = mysql_connect("localhost", "root", "111");

    mysql_select_db("mymessbox", $conn);

    mysql_query("set names utf8");



    function sub_title($title){

            $len = 22;

            return mb_strlen($title, 'utf-8')<=$len ? $title : (mb_substr($title,0,$len,'utf-8')."...");

    }



    $totsql = "select count(*) from say";

        $totret = mysql_query($totsql);

    $totrow = mysql_fetch_row($totret);



    $length = 20;



    $totnum = ceil($totrow[0] / $length);



    $pagenum = @$_GET['page'] ? $_GET['page'] : 1;

    if ($pagenum > $totnum) {

        $pagenum = $totnum;

    }

    $offset = ($pagenum - 1 ) * $length;



    $sql1 = "select * from say order by id desc limit {$offset},{$length}";

    $ret1 = mysql_query($sql1);

?>



<!doctype html>

<html lang="en">

<head>

    <meta charset="UTF-8">

    <title>say</title>

    <style>

        body {

            margin:0px;

            padding:0px;

            font-family: '宋体', Simsun;

        }

        a {

            text-decoration: none;

            font-size: 18px;

            font-weight: bold;    

        }

        a:hover {

            position: relative;

            top: 1px;

            left: 1px;

        }

        #wrap {

            width: 700px;

            margin: 0 auto;

        }

        #header {

            width: 100%;

            height: 60px;

            background: #ccc;

            font-size: 30px;

            font-family: Comic Sans MS;

            line-height: 60px;

            text-align: center;

        }

        .nav {

            margin: 0 auto;

            width: 100%;

            height: 5px;

            clear:both;

        }

        #menu {

            width: 100%;

            height: 30px;

            background: #ccc;

            line-height: 30px;

        }

        .mu {

            width: 50px;

            padding-left: 104px;

        }

        #content {

            width: 100%;

            margin: 0 auto;

            background: #ccc;

        }

        #page {

            width: 100%;

            text-align: center;

            clear: both;

            padding-top: 10px;

        }

        #footer {

            width: 100%;

            height: 50px;

            background: #ccc;

            line-height: 50px;

            text-align: center;

        }

        #footer a{

            font-size: 10px;

            font-weight: bold;

        }

        .say {

            width:100%;

            margin: 0px auto;

            font-family: "宋体",Simsun;

            font-weight: bold;

            padding-top: 12px;

        }

        #title {

            margin-left: 130px;



        }

        #title a {

            text-decoration: none;

            font-size: 18px;

            font-weight: bold;

            padding-left: 0px;

        }

        #title a:visited {

            color: red;

        }

    </style>

</head>

<body>

    <div id="wrap">

        <div id="header">My Zone</div>

        <div class="nav"></div>

        <div id="menu">

            <span class="mu">

                <a href='index.php'>主页</a>

            </span>

            <span class="mu">

                <a href=''>相册</a>

            </span>

            <span class="mu">

                <a href='say.php'>说说</a>

            </span>

            <span class="mu">

                <a href='mess.php'>留言</a>

            </span>

        </div>

        <div class="nav"></div>

        <div id="content">

        <?php

            while ($row1 = mysql_fetch_assoc($ret1)) {

        ?>    

            <div class="say">

                <span id="title"><a href="content.php?id=<?php echo $row1['id']?>"><?php echo sub_title($row1['title']);?></a></span>

            </div>

        <?php

            }

                $prevpage = $pagenum - 1;

                $nextpage = $pagenum + 1;



            echo "

                <div id='page'>

                <a href='say.php?page=$prevpage'>上一页</a>|<a href='say.php?page=$nextpage'>下一页</a>

                </div>";

         ?>

         </div>

         <div class="nav"></div>

        <div id="footer">

            <a href="http://www.baidu.com">百度一下</a>|<a href="https://www.google.com/hk">google</a>

        </div>

    </div>

</body>

</html>
say.php

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