php文件上传问题?
html页面代码:
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><title>文件上传</title></head><body><h1>文件上传</h1><br/><form action="upload.php" method="post" enctype="multipart/form-data"><div><input type="hidden" name="max_file_size" value="10000000"/><h1><label for="userfile">选择上传文件</label></h1><br/><input type="file" name="userfile" id="userfile"/><input type="submit" value="提交"/></div></form></body>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><?php if($_FILES['userfile']['error']>0) echo "上传失败!!";else echo "上传成功!!";if($_FILES['userfile']['type'] !='text/plain') echo "请选择正确的文件类型!!";?>