header(
"Content-type:text/html;charset=utf-8"
);
// $file_name="cookie.jpg";
$file_name
=
"圣诞狂欢.jpg"
;
//用以解决中文不能显示出来的问题
$file_name
=iconv(
"utf-8"
,
"gb2312"
,
$file_name
);
$file_sub_path
=
$_SERVER
[
'DOCUMENT_ROOT'
].
"marcofly/phpstudy/down/down/"
;
$file_path
=
$file_sub_path
.
$file_name
;
//首先要判断给定的文件存在与否
if
(!
file_exists
(
$file_path
)){
echo
"没有该文件文件"
;
return
;
}
$fp
=
fopen
(
$file_path
,
"r"
);
$file_size
=
filesize
(
$file_path
);
//下载文件需要用到的头
Header(
"Content-type: application/octet-stream"
);
Header(
"Accept-Ranges: bytes"
);
Header(
"Accept-Length:"
.
$file_size
);
Header(
"Content-Disposition: attachment; filename="
.
$file_name
);
$buffer
=1024;
$file_count
=0;
//向浏览器返回数据
while
(!
feof
(
$fp
) &&
$file_count
<
$file_size
){
$file_con
=
fread
(
$fp
,
$buffer
);
$file_count
+=
$buffer
;
echo
$file_con
;
}
fclose(
$fp
);