php-数据库访问--数据修改
主页面元素修改脚本
<?php
$code = $_GET["c"];
//造连接对象
$db = new MySQLi("localhost","root","123","mydb");
//写SQL语句
$sinfo = "select * from info where code='{$code}'";
$rinfo = $db->query($sinfo);
$ainfo = $rinfo->fetch_row();
?>
<form action="xiugaichuli.php" method="post">
<div><input type="hidden" name="code" value="<?php echo $ainfo[0]; ?>" /></div>
<div>姓名:<input type="text" name="name" value="<?php echo $ainfo[1]; ?>" /></div>
<div>性别:
<input type="radio" name="sex" value="1" <?php echo $ainfo[2]?"checked='checked'":"" ?> />男
<input type="radio" name="sex" value="0" <?php echo $ainfo[2]?"":"checked='checked'" ?> />女
</div>
<div>民族:
<select name="nation">
<?php
$sql = "select * from nation";
$result = $db->query($sql);
$attr = $result->fetch_all();
foreach($attr as $v)
{
if($v[0]==$ainfo[3])
{
echo "<option selected='selected' value='{$v[0]}'>{$v[1]}</option>";
}
else
{
echo "<option value='{$v[0]}'>{$v[1]}</option>";
}
}
?>
</select>
</div>
<div>生日:<input type="text" name="birthday" value="<?php echo $ainfo[4]; ?>" /></div>
<div><input type="submit" value="修改" /></div>
</form>
主页面元素修改脚本处理脚本
<?php
$code = $_POST["code"];
$name = $_POST["name"];
$sex = $_POST["sex"];
$nation = $_POST["nation"];
$birthday = $_POST["birthday"];
//造连接对象
$db = new MySQLi("localhost","root","123","mydb");
$sql = "update info set name='{$name}',sex={$sex},nation='{$nation}',birthday='{$birthday}' where code='{$code}'";
$db->query($sql);
header("location:main.php");