手册:thumb_handler.php
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| MediaWiki文件： thumb_handler.php | |
|---|---|
| 位置： | / |
| 源代码： | master • 1.42.3 • 1.41.4 • 1.39.10 |
| 类： | 查找代码 • 查找帮助文档 |
描述
thumb_handler.php是一个404处理脚本，用于自动调整图片大小。例如，当浏览器请求未曾创建的缩略图时。
要使用它，请按照如下步骤，然后将$wgGenerateThumbnailOnParse设定为false。如果您在LocalSettings.php中设置了$2，那么您同样需要设置：
If you have $wgLocalFileRepo defined in LocalSettings.php, then you need to also set:
$wgLocalFileRepo['transformVia404'] = true;
服务器配置
The configuration below assumes you don't have custom file repos (at least $wgLocalFileRepo) configured manually. In that case, you will need to adjust the path of rewrite rules according to
$wgLocalFileRepo['hashLevels'] and $wgLocalFileRepo['deletedHashLevels'].Apache
当$wgUploadPath/thumb/中的文件不存在时，创建一个重写（rewrite）规则来调用thumb_handler.php。如果您的wiki位于/w目录中，以下内容适用于Apache：
If $wgHashedUploadDirectory is set to true:
RewriteEngine on
RewriteCond %{REQUEST_FILENAME} !-d
RewriteCond %{REQUEST_FILENAME} !-f
RewriteRule ^/?w/images/thumb/[0-9a-f]/[0-9a-f][0-9a-f]/[^/]+/[^/]+$ /w/thumb_handler.php [L,QSA]
RewriteCond %{REQUEST_FILENAME} !-d
RewriteCond %{REQUEST_FILENAME} !-f
RewriteRule ^/?w/images/thumb/archive/[0-9a-f]/[0-9a-f][0-9a-f]/[^/]+/[^/]+$ /w/thumb_handler.php [L,QSA]
If $wgHashedUploadDirectory is set to false:
RewriteEngine on
RewriteCond %{REQUEST_FILENAME} !-d
RewriteCond %{REQUEST_FILENAME} !-f
RewriteRule ^/?w/images/thumb/[^/]+/[^/]+$ /w/thumb_handler.php [L,QSA]
RewriteCond %{REQUEST_FILENAME} !-d
RewriteCond %{REQUEST_FILENAME} !-f
RewriteRule ^/?w/images/thumb/archive/[^/]+/[^/]+$ /w/thumb_handler.php [L,QSA]
nginx
location /w/images {
# Separate location for images/ so .php execution won't apply
location ~ ^/w/images/thumb/(archive/)?[0-9a-f]/[0-9a-f][0-9a-f]/([^/]+)/[^/]*([0-9]+)px-.*$ {
# Thumbnail handler for MediaWiki
# This location only matches on a thumbnail's url
# If the file does not exist we use @thumb to run the thumb.php script
try_files $uri $uri/ @thumb;
}
}
# Thumbnail 404 handler, only called by try_files when a thumbnail does not exist
location @thumb {
# Do a rewrite here so that thumb.php gets the correct arguments
rewrite ^/w/images/thumb/([0-9a-f]/[0-9a-f][0-9a-f]/([^/]+)/[^/]*([0-9]+)px-.*)$ /w/thumb_handler.php/$1;
rewrite ^/w/images/thumb/(archive/[0-9a-f]/[0-9a-f][0-9a-f]/([^/]+)/[^/]*([0-9]+)px-.*)$ /w/thumb_handler.php/$1;
}