0419

实例

<form action="demo1.php" method="post" enctype="multipart/form-data" xmlns="http://www.w3.org/1999/html">
    选择文件:<input type="file"  align="center" name="upload"> <br>

    <button type="submit" name = "submit"  >submit</button>

</form>

<?php
$type = ['image/gif','image/jpeg','image/pjpeg'];
$size = 2000;
if (in_array($_FILES['upload']['type'],$type) and $_FILES['upload']['size'] <= 2000){

    if(move_uploaded_file($_FILES['upload']['tmp_name'],"upload/".$_FILES['upload']['name'])){
        echo '上传成功';



    }else{
        echo 'no ';
    }


}







?>