php上传图片小结
//上传图片很常用，在注册的头像 logo 一般步骤是上传-》修改-》保存等
if(isset($_POST))
{
if(is_uploaded_file($_FILES['imgfile']['tmp_name']))
{
$img = $_FILES['imgfile'];
$number = rand(100,10000);
$uploaddir = 'E:\wwwroot\nymsg\html\images\\';
$uploadfile = $uploaddir .$number. basename($_FILES['imgfile']['name']);
echo $uploadfile;//把此路径保存到数据库对应的图片字段
$size = ceil($img['size']/1024);
echo "file size is:".$size."M";
echo '<pre>';
if (move_uploaded_file($_FILES['imgfile']['tmp_name'], $uploadfile)) {
echo "File is valid, and was successfully uploaded.\n";
} else {
echo "Possible file upload attack!\n";
}
echo "<img src='".$uploadfile."'>";
print_r($_FILES);
}
}
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