php表单修改数据
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; " />
<title>无标题文档</title>
</head>
<body>
<h1>修改数据</h1>
<?php
$code = $_GET["code"];
$db = new MySQLi("localhost","root","root","dbname");
$sql = "select * from info where code='{$code}'";
$result = $db->query($sql);
$arr = $result->fetch_row();
?>
<form action="update.php" method="post">
<div>
<input type="hidden" name="code" value="<?php echo $arr; ?>" />
</div>
<div>姓名：
<input type="text" name="name" value="<?php echo $arr; ?>" />
</div>
<div>性别：
<input type="radio" name="sex" value="1" <?php echo $arr?"checked='checked'":""; ?> />男
<input type="radio" name="sex" value="0" <?php echo $arr?"":"checked='checked'"; ?> />女
</div>
<div>民族：
<select name="nation">
<?php
$snation = "select * from nation";
$rnation = $db->query($snation);
while($attr = $rnation->fetch_row())
{
//判断将要输出的民族是否和该人员的相同
if($arr==$attr)
{
echo "<option value='{$attr}' selected='selected'>{$attr}</option>";
}
else
{
echo "<option value='{$attr}'>{$attr}</option>";
}
}
?>
</select>
</div>
<div>生日：
<input type="text" name="birthday" value="<?php echo $arr ?>" />
</div>
<div><input type="submit" value="修改" /></div>
</form>
</body>
</html>
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