markdown 使用命令行使用新的图像大小重新生成WordPress图像

Posted 2021-05-06

## [wp media regenerate](https://developer.wordpress.org/cli/commands/media/regenerate/)   
Regenerates thumbnails for one or more attachments.


### OPTIONS
<dl>
  <dt>[&lt;attachment-id&gt;…]</dt>
  <dd>One or more IDs of the attachments to regenerate.</dd>
  
  <dt>[--image_size=&lt;image_size&gt;]</dt>
  <dd>Name of the image size to regenerate. Only thumbnails of this image size will be regenerated, thumbnails of other image sizes will not.</dd>
  
  <dt>[--skip-delete]</dt>
  <dd>Skip deletion of the original thumbnails. If your thumbnails are linked from sources outside your control, it’s likely best to leave them around. Defaults to false.</dd>
  
  <dt>[--only-missing]</dt>
  <dd>Only generate thumbnails for images missing image sizes.</dd>
  
  <dt>[--yes]</dt>
  <dd>Answer yes to the confirmation message. Confirmation only shows when no IDs passed as arguments.</dd>
</dl>



### EXAMPLES
#### Regenerate thumbnails for given attachment IDs.
```bash
$ wp media regenerate 123 124 125
Found 3 images to regenerate.
1/3 Regenerated thumbnails for "Vertical Image" (ID 123).
2/3 Regenerated thumbnails for "Horizontal Image" (ID 124).
3/3 Regenerated thumbnails for "Beautiful Picture" (ID 125).
Success: Regenerated 3 of 3 images.
```

#### Regenerate all thumbnails, without confirmation.
```bash
$ wp media regenerate --yes
Found 3 images to regenerate.
1/3 Regenerated thumbnails for "Sydney Harbor Bridge" (ID 760).
2/3 Regenerated thumbnails for "Boardwalk" (ID 757).
3/3 Regenerated thumbnails for "Sunburst Over River" (ID 756).
Success: Regenerated 3 of 3 images.
```

#### Re-generate all thumbnails that have IDs between 1000 and 2000.
```bash
$ seq 1000 2000 | xargs wp media regenerate
Found 4 images to regenerate.
1/4 Regenerated thumbnails for "Vertical Featured Image" (ID 1027).
2/4 Regenerated thumbnails for "Horizontal Featured Image" (ID 1022).
3/4 Regenerated thumbnails for "Unicorn Wallpaper" (ID 1045).
4/4 Regenerated thumbnails for "I Am Worth Loving Wallpaper" (ID 1023).
Success: Regenerated 4 of 4 images.
```

#### Re-generate only the thumbnails of "large" image size for all images.
```bash
$ wp media regenerate --image_size=large
Do you really want to regenerate the "large" image size for all images? [y/n] y
Found 3 images to regenerate.
1/3 Regenerated "large" thumbnail for "Sydney Harbor Bridge" (ID 760).
2/3 No "large" thumbnail regeneration needed for "Boardwalk" (ID 757).
3/3 Regenerated "large" thumbnail for "Sunburst Over River" (ID 756).
Success: Regenerated 3 of 3 images.
```

### GLOBAL PARAMETERS
These global parameters have the same behavior across all commands and affect how WP-CLI interacts with WordPress.

Argument |	Description
--- | ---
--path=&lt;path&gt;	| Path to the WordPress files.
--url=&lt;url&gt;	| Pretend request came from given URL. In multisite, this argument is how the target site is specified.
--ssh=[&lt;scheme&gt;:][&lt;user&gt;@]&lt;host&vert;container&gt;[:&lt;port&gt;][&lt;path&gt;]	| Perform operation against a remote server over SSH (or a container using scheme of “docker”, “docker-compose”, “vagrant”).
--http=&lt;http&gt;	| Perform operation against a remote WordPress install over HTTP.
--user=&lt;id&vert;login&vert;email&gt;	| Set the WordPress user.
--skip-plugins[=&lt;plugins&gt;]	| Skip loading all plugins, or a comma-separated list of plugins. Note: mu-plugins are still loaded.
--skip-themes[=&lt;themes&gt;]	| Skip loading all themes, or a comma-separated list of themes.
--skip-packages	| Skip loading all installed packages.
--require=&lt;path&gt;	| Load PHP file before running the command (may be used more than once).
--[no-]color	| Whether to colorize the output.
--debug[=&lt;group&gt;]	| Show all PHP errors and add verbosity to WP-CLI output. Built-in groups include: bootstrap, commandfactory, and help.
--prompt[=&lt;assoc&gt;]	| Prompt the user to enter values for all command arguments, or a subset specified as comma-separated values.
--quiet	| Suppress informational messages.

For sites on your local, you can use `wp media regenerate --only-missing --yes`

For Pantheon sites, use Terminus to get CLI access to your site (even live!)

Format: `terminus remote:wp <site>.<env> -- <wp-cli command>`

Example: `terminus remote:wp american-rivers.live -- media regenerate --only-missing --yes`

[More details on the wp media regenerate command](https://developer.wordpress.org/cli/commands/media/regenerate/)