Product display of PHP development corporate website tutorial (2)

In the previous course, we have completed the paging effect of news

So we can copy the paging code in the previous section and then change the table name

The code is as follows :

<?php
    require_once('conn.php'); //连接数据库
    $page=isset($_GET['page']) ?$_GET['page'] :1 ;//接收页码
    $page=!empty($page) ? $page :1;
    $table_name="product";//查取表名设置
    $perpage=4;//每页显示的数据个数
    //最大页数和总记录数
    $total_sql="SELECT count(*) from $table_name";
    $total_result =mysql_query($total_sql);
    $total_row=mysql_fetch_row($total_result);
    $total = $total_row[0];//获取最大页码数
    $total_page = ceil($total/$perpage);//向上整数
    //临界点
    $page=$page>$total_page ? $total_page:$page;//当下一页数大于最大页数时的情况
    //分页设置初始化
    $start=($page-1)*$perpage;
    $sql = "SELECT * from product order by id desc limit $start,$perpage";
    $info = mysql_query($sql);    
    //$sql = "select * from product order by id desc"; //查询user表中的数据
    //$info = mysql_query($sql);
?>
<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8">
    <title>展示用户列表</title>
    <style type="text/css">
        .top{height:30px;line-height:30px;float:right;margin-right:15px;}
        .top a{color:red;text-decoration:none;}
        .cont{width:100%;height:300px;float:left;}
        .cont_ct{float:left;}
        table{width:100%;border:1px solid #eee;text-align:center;}
        th{background:#eee;height:30px;}
        td{width:200px;height:70px;}
    </style>
</head>
<body>
    <div class="top"><a href="addpro.php">添加产品</a></div>

    <div class="cont">
        <table cellspacing="0" cellpadding="0" border="1">
            <tr>
                <th>ID</th>
                <th>名称</th>
                <th>图片</th>
                <th>价格</th>
                <th>操作</th>
            </tr>
            <?php
                while($row = mysql_fetch_array($info)){
            ?>
            <tr>
                <td><?php echo $row['id'];?></td>
                <td><?php echo $row['title'];?></td>
                <td><img src="../uploads/<?php echo $row['imgname'];?>" width="50" height="50"></td>
                <td><?php echo $row['price'];?></td>
                <td>
                    <a href="modifypro.php?id=<?php echo $row['id'];?>">修改</a>
                    <a href="delproduct.php?id=<?php echo $row['id'];?>">删除</a>
                </td>
            </tr>
            <?php
                }
            ?>
            <tr>
                <td colspan="5">
                <a href="<?php echo "$_SERVER[PHP_SELF]?page=1"?>">首页</a>
                <a href="<?php echo "$_SERVER[PHP_SELF]?page=".($page-1)?>">上一页</a><a href="<?php echo "$_SERVER[PHP_SELF]?page=".($page+1)?>">下一页</a>
                <a href="<?php echo "$_SERVER[PHP_SELF]?page={$total_page}"?>">末页</a>
                </td>
            </tr>
        </table>
    </div>
</body>
</html>

In this way we have completed the paging effect

Continuing Learning

new file

<?php require_once('conn.php'); //连接数据库 $page=isset($_GET['page']) ?$_GET['page'] :1 ;//接收页码 $page=!empty($page) ? $page :1; $table_name="product";//查取表名设置 $perpage=4;//每页显示的数据个数 //最大页数和总记录数 $total_sql="SELECT count(*) from $table_name"; $total_result =mysql_query($total_sql); $total_row=mysql_fetch_row($total_result); $total = $total_row[0];//获取最大页码数 $total_page = ceil($total/$perpage);//向上整数 //临界点 $page=$page>$total_page ? $total_page:$page;//当下一页数大于最大页数时的情况 //分页设置初始化 $start=($page-1)*$perpage; $sql = "SELECT * from product order by id desc limit $start,$perpage"; $info = mysql_query($sql); //$sql = "select * from product order by id desc"; //查询user表中的数据 //$info = mysql_query($sql); ?> <!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>展示用户列表</title> <style type="text/css"> .top{height:30px;line-height:30px;float:right;margin-right:15px;} .top a{color:red;text-decoration:none;} .cont{width:100%;height:300px;float:left;} .cont_ct{float:left;} table{width:100%;border:1px solid #eee;text-align:center;} th{background:#eee;height:30px;} td{width:200px;height:70px;} </style> </head> <body> <div class="top"><a href="addpro.php">添加产品</a></div> <div class="cont"> <table cellspacing="0" cellpadding="0" border="1"> <tr> <th>ID</th> <th>名称</th> <th>图片</th> <th>价格</th> <th>操作</th> </tr> <?php while($row = mysql_fetch_array($info)){ ?> <tr> <td><?php echo $row['id'];?></td> <td><?php echo $row['title'];?></td> <td><img src="../uploads/<?php echo $row['imgname'];?>" width="50" height="50"></td> <td><?php echo $row['price'];?></td> <td> <a href="modifypro.php?id=<?php echo $row['id'];?>">修改</a> <a href="delproduct.php?id=<?php echo $row['id'];?>">删除</a> </td> </tr> <?php } ?> <tr> <td colspan="5"> <a href="<?php echo "$_SERVER[PHP_SELF]?page=1"?>">首页</a> <a href="<?php echo "$_SERVER[PHP_SELF]?page=".($page-1)?>">上一页</a><a href="<?php echo "$_SERVER[PHP_SELF]?page=".($page+1)?>">下一页</a> <a href="<?php echo "$_SERVER[PHP_SELF]?page={$total_page}"?>">末页</a> </td> </tr> </table> </div> </body> </html>

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