如何通过创建目录并上传base64图像


How to upload base64 image by creating directory and upload

我想将图像上传到以下文件夹结构中:

/var/www/html/project/public/upload/userimage/2016/04/07/thumbnail/image.png
                                               ^   ^  ^
                                            Year Month Date

我写了这个代码:

$Day = date('d'); // Get date
$Month = date('m'); // Get month
$Year = date('Y'); // Get year
$data = $_POST['base64']; // Get base64 image data
$imageName = hash('ripemd160', time()).'.png';
if (!file_exists(public_path().'/upload/userimage/'.$Year.'/'.$Month.'/'.$Day.'/thumbnail')) {
    mkdir(public_path().'/upload/userimage/'.$Year.'/'.$Month.'/'.$Day.'/thumbnail', 0777, true);
}
$url = public_path().'/upload/userimage/'.$Year.'/'.$Month.'/'.$Day.'/thumbnail/'.$imageName;
list($type, $data) = explode(';', $data);
list(, $data)      = explode(',', $data);
$data = base64_decode($data);
file_put_contents($url.'/'.$imageName, $data);

得到这个错误:

file_put_contents(/var/www/html/project/project/public/upload/userimage/2016/04/07/thumbnail/8b38eb25ce97d428afcd80d6ddcd16b8ca266a52.png/8b38eb25ce97d428afcd80d6ddcd16b8ca266a52.png): failed to open stream: No such file or directory

如果Year/Month/Date更改,我只想将图像上传到生成文件夹Year -> Month -> Date的目录文件夹中。

如果你能帮助我使我的代码更加正确,我将不胜感激:)

谢谢。

是的,您的目录不存在。

$url = public_path().'/upload/userimage/'.$Year.'/'.$Month.'/'.$Day.'/thumbnail/'.$imageName;
#                                                                                 ----------
file_put_contents($url.'/'.$imageName, $data);
#                          ----------

您创建的目录:

/My/New/Directory

然后你试着写这个文件:

/My/New/Directory/Image.jpg/Image.jpg

使用以下命令:

file_put_contents( $url , $data );

一般建议:使用变量而不是重复的连接模式,尤其是在有长连接的情况下。您的代码更清晰,代码维护更容易,拼写错误的风险更低:

$dirPath = public_path().'/upload/userimage/'.$Year.'/'.$Month.'/'.$Day.'/thumbnail';
if( !file_exists( $dirPath ) )      
    mkdir( $dirPath, 0777, true );
}
$filePath = $dirPath.'/'.$imageName;
(...)
file_put_contents( $filePath , $data );

file_put_contents不创建目录:所以使用:

if (!is_dir('upload/usersimage/'.$Year.'/'.$Month.'/'.$Day.'' . $month)) {
    mkdir('upload/usersimage/'.$Year.'/'.$Month.'/'.$Day.' . $month);
}

请参阅此处:运行file_put_contents()时创建文件夹