增删
<h1>列表</h1> <table width="100%" border="1" cellpadding="0" cellspacing="0"> <tr> <td>代号</td> <td>名称</td> <td>价格</td> <td>产地</td> <td>库存</td> <td>操作</td> </tr> <?php $db = new MySQLi("localhost","root","112834","test4"); $sql = "select * from hao"; $result = $db->query($sql); /*$attr = $result->fetch_all(); foreach($attr as $v) { echo "<tr><td>($v[0])</td><td>($v[1])</td><td>($v[2])</td><td>($v[3])</td><td>($v[4])</td></tr>"; } */ while($attr = $result->fetch_row()) { echo "<tr><td>($attr[0])</td><td>($attr[1])</td><td>($attr[2])</td><td>($attr[3])</td><td>($attr[4])</td><td><a href='shanchu.php?name={$attr[1]}' onclick=\"return confirm('确定删除么')\">删除</a></td></tr>"; } ?> </table>
$name =$_GET["name"]; $db = new MySQLi("localhost","root","112834","test4"); $sql = "delete from hao where name='{$name}'"; $r = $db->query($sql); if($r) { header("location:biaoge.php"); } else { echo "删除失败"; }
<h1>添加</h1> <form action="tianjia.php" method="post"> <div>名称 <input type="text" name="name" /></div> <div>价格 <input type="text" name="price" /></div> <div>产地 <input type="text" name="chandi" /></div> <div>库存 <input type="text" name="numbers" /></div> <div><input type="submit" value="添加" /></div> </form>
<?php $name = $_POST["name"]; $price = $_POST["price"]; $chandi = $_POST["chandi"]; $numbers = $_POST["numbers"]; $db = new MySQLi("localhost","root","112834","test4"); $sql = "insert into hao values ('','{$name}','{$price}','{$chandi}',{$numbers})"; $r = $db->query($sql); if($r) { header("location:biaoge.php"); } else { echo "添加失败"; } ?>