正文
【转】php 下载保存文件保存到本地的两种实现方法
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来源：http://www.jb51.net/article/40485.htm
第一种：
?
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<?php
function
downfile()
{
$filename
=
realpath
(
"resume.html"
);
//文件名
$date
=
date
(
"Ymd-H:i:m"
);
Header(
"Content-type: application/octet-stream "
);
Header(
"Accept-Ranges: bytes "
);
Header(
"Accept-Length: "
.
filesize
(
$filename
));
header(
"Content-Disposition: attachment; filename= {$date}.doc"
);
echo
file_get_contents
(
$filename
);
readfile(
$filename
);
}
downfile();
?>
|
或
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<?php
function
downfile(
$fileurl
)
{
ob_start();
$filename
=
$fileurl
;
$date
=
date
(
"Ymd-H:i:m"
);
header(
"Content-type: application/octet-stream "
);
header(
"Accept-Ranges: bytes "
);
header(
"Content-Disposition: attachment; filename= {$date}.doc"
);
$size
=readfile(
$filename
);
header(
"Accept-Length: "
.
$size
);
}
$url
=
"url地址"
;
downfile(
$url
);
?>
|
第二种：
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<?php
function
downfile(
$fileurl
)
{
$filename
=
$fileurl
;
$file
=
fopen
(
$filename
,
"rb"
);
Header(
"Content-type: application/octet-stream "
);
Header(
"Accept-Ranges: bytes "
);
Header(
"Content-Disposition: attachment; filename= 4.doc"
);
$contents
=
""
;
while
(!
feof
(
$file
)) {
$contents
.=
fread
(
$file
, 8192);
}
echo
$contents
;
fclose(
$file
);
}
$url
=
"url地址"
;
downfile(
$url
);
?>
|
PHP实现下载文件的两种方法。分享下，有用到的朋友看看哦。
方法一：
?
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<?php
/**
* 下载文件
* header函数
*
*/
header(
'Content-Description: File Transfer'
);
header(
'Content-Type: application/octet-stream'
);
header(
'Content-Disposition: attachment; filename='
.
basename
(
$filepath
));
header(
'Content-Transfer-Encoding: binary'
);
header('Expires: 0′);
header('Cache-Control: must-revalidate, post-check=0, pre-check=0′);
header(
'Pragma: public'
);
header(
'Content-Length: '
.
filesize
(
$filepath
));
readfile(
$file_path
);
?>
|
了解php中header函数的用法。
方法二：
?
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<?php
//文件下载
//readfile
$fileinfo
=
pathinfo
(
$filename
);
header(
'Content-type: application/x-'
.
$fileinfo
[
'extension'
]);
header(
'Content-Disposition: attachment; filename='
.
$fileinfo
[
'basename'
]);
header(
'Content-Length: '
.
filesize
(
$filename
));
readfile(
$thefile
);
exit
();
?>
|
第一种：
?
|
1
2
3
4
5
6
7
8
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10
11
12
13
14
|
<?php
function
downfile()
{
$filename
=
realpath
(
"resume.html"
);
//文件名
$date
=
date
(
"Ymd-H:i:m"
);
Header(
"Content-type: application/octet-stream "
);
Header(
"Accept-Ranges: bytes "
);
Header(
"Accept-Length: "
.
filesize
(
$filename
));
header(
"Content-Disposition: attachment; filename= {$date}.doc"
);
echo
file_get_contents
(
$filename
);
readfile(
$filename
);
}
downfile();
?>
|
或
?
|
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|
<?php
function
downfile(
$fileurl
)
{
ob_start();
$filename
=
$fileurl
;
$date
=
date
(
"Ymd-H:i:m"
);
header(
"Content-type: application/octet-stream "
);
header(
"Accept-Ranges: bytes "
);
header(
"Content-Disposition: attachment; filename= {$date}.doc"
);
$size
=readfile(
$filename
);
header(
"Accept-Length: "
.
$size
);
}
$url
=
"url地址"
;
downfile(
$url
);
?>
|
第二种：
?
|
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16
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18
|
<?php
function
downfile(
$fileurl
)
{
$filename
=
$fileurl
;
$file
=
fopen
(
$filename
,
"rb"
);
Header(
"Content-type: application/octet-stream "
);
Header(
"Accept-Ranges: bytes "
);
Header(
"Content-Disposition: attachment; filename= 4.doc"
);
$contents
=
""
;
while
(!
feof
(
$file
)) {
$contents
.=
fread
(
$file
, 8192);
}
echo
$contents
;
fclose(
$file
);
}
$url
=
"url地址"
;
downfile(
$url
);
?>
|
PHP实现下载文件的两种方法。分享下，有用到的朋友看看哦。
方法一：
?
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
|
<?php
/**
* 下载文件
* header函数
*
*/
header(
'Content-Description: File Transfer'
);
header(
'Content-Type: application/octet-stream'
);
header(
'Content-Disposition: attachment; filename='
.
basename
(
$filepath
));
header(
'Content-Transfer-Encoding: binary'
);
header('Expires: 0′);
header('Cache-Control: must-revalidate, post-check=0, pre-check=0′);
header(
'Pragma: public'
);
header(
'Content-Length: '
.
filesize
(
$filepath
));
readfile(
$file_path
);
?>
|
了解php中header函数的用法。
方法二：
?
|
1
2
3
4
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7
8
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10
|
<?php
//文件下载
//readfile
$fileinfo
=
pathinfo
(
$filename
);
header(
'Content-type: application/x-'
.
$fileinfo
[
'extension'
]);
header(
'Content-Disposition: attachment; filename='
.
$fileinfo
[
'basename'
]);
header(
'Content-Length: '
.
filesize
(
$filename
));
readfile(
$thefile
);
exit
();
?>
|
