<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>图片上传</title> <script type="text/javascript" src="jquery.js"></script> </head> <body> 当前时间： <?php echo date("H:i:s",time()); ?> <form action="upload.php" method="post" enctype="multipart/form-data" target="mywin"> 上传图片 <input type="file" name="img"></input> </form> <div> <img src="" id="imgid" > </div> <iframe frameborder="1" name="mywin" style="display: none;" src=""></iframe> </body> <script type="text/javascript"> $(document).ready(function(){ $(':file').change(function(){ $('form').submit(); }); }); </script> </html>
<?php $src=$_FILES['img']['tmp_name']; $file=$_FILES['img']['name']; $a=explode('.',$file); $ext=array_pop($a); $rand=time().mt_rand().'.'.$ext; $dst="uploads/{$rand}"; if($_FILES['img']['error']===0){ if(move_uploaded_file($src,$dst)){
//获取最顶层浏览器 echo "<script>imgid=window.top.document.getElementById('imgid'); imgid.src='{$dst}'</script>"; } }
目录下建立一个uploads文件夹存储上传图片