<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <title>用户列表</title>
</head>
<body>
<?php 
  $con = mysql_connect("localhost","root","");
  
  mysql_query("set names utf8");
  mysql_select_db("zhiye",$con);
  
  $pageSize = 1;   //每页显示的数量
  $rowCount = 0;   //要从数据库中获取
  $pageNow = 1;    //当前显示第几页
  
  //如果有pageNow就使用，没有就默认第一页。
  if (!empty($_GET['pageNow'])){
    $pageNow = $_GET['pageNow'];
  }
  
  $pageCount = 0;  //表示共有多少页
  
  $sql1 = "select count(id) from user";
  $res1 = mysql_query($sql1);
  
  if($row1=mysql_fetch_row($res1)){
    $rowCount = $row1[0];
  }
  
  //计算共有多少页，ceil取进1
  $pageCount = ceil(($rowCount/$pageSize));
  
  //使用sql语句时，注意有些变量应取出赋值。
  $pre = ($pageNow-1)*$pageSize;
  
  $sql2 = "select * from user limit $pre,$pageSize";
  $res2 = mysql_query($sql2);
 
  while($row=mysql_fetch_assoc($res2)){
    echo $row['user_name']."<br>";
    echo $row['name']."<br>";
    echo $row['email']."<br>";
    echo $row['password']."<br>";
    echo $row['tel']."<br>";
  }
  for ($i=1;$i<=$pageCount;$i++){
    echo "<a href='userList.php?pageNow=$i'>$i</a> ";
  }
?>
</body>
</html>