<?php
$db = new MySQLi("localhost","root","12345678","heiheihei");
//連線資料庫
$sql = "select * from student ";
//寫sql語句
$r = $db->query($sql);
//執行sql語句返回給r
if($r)//條件
{
    while ($attr = $r->fetch_row())
    {
        $ssex = "";
         if($attr[2])
         {
             $ssex = "男";
         }
         
 
else
             {
                 $ssex = "女";
             }
        echo
        "
 <tr>
        <td>{$attr[0]}</td>
        <td>{$attr[1]}</td>
        <td>{$ssex}</td>
        <td>{$attr[3]}</td>
        <td>{$attr[4]}</td>
//新增一個單擊事件，防止不小心刪掉
<td><a onclick=\"return confirm('確定要刪除嗎？？？')
 
" 
href='shanchu.php?sno={$attr[0]}'>刪除</a>
 <a href='xiugai.php?sno={$attr[0]}'>修改</a> </td> </tr>"; } } ?>