（1）先获取composer安装地址
- composer -h
The "composer/installers" plugin was skipped because it requires a Plugin API version ("^1.0") that does not match your Composer installation ("2.3.0"). You may need to run composer update with the "--no-plugins" option.
The "yiisoft/yii2-composer" plugin was skipped because it requires a Plugin API version ("^1.0") that does not match your Composer installation ("2.3.0"). You may need to run composer update with the "--no-plugins" option.
The "endroid/installer" plugin was skipped because it requires a Plugin API version ("^1.1") that does not match your Composer installation ("2.3.0"). You may need to run composer update with the "--no-plugins" option.
Description:
List commands
Usage:
list [options] [--] [<namespace>]
Arguments:
namespace The namespace name
Options:
--raw To output raw command list
--format=FORMAT The output format (txt, xml, json, or md) [default: "txt"]
--short To skip describing commands' arguments
-h, --help Display help for the given command. When no command is given display help for the list command
-q, --quiet Do not output any message
-V, --version Display this application version
--ansi|--no-ansi Force (or disable --no-ansi) ANSI output
-n, --no-interaction Do not ask any interactive question
--profile Display timing and memory usage information
--no-plugins Whether to disable plugins.
--no-scripts Skips the execution of all scripts defined in composer.json file.
-d, --working-dir=WORKING-DIR If specified, use the given directory as working directory.
--no-cache Prevent use of the cache
-v|vv|vvv, --verbose Increase the verbosity of messages: 1 for normal output, 2 for more verbose output and 3 for debug
Help:
The list command lists all commands:
/usr/bin/composer list
You can also display the commands for a specific namespace:
/usr/bin/composer list test
You can also output the information in other formats by using the --format option:
/usr/bin/composer list --format=xml
It's also possible to get raw list of commands (useful for embedding command runner):
/usr/bin/composer list --raw
（2）再用（1）获取的地址，composer self-update命令进行升级：
- /usr/bin/composer self-update
Upgrading to version 2.4.4 (stable channel).
Use composer self-update --rollback to return to version 2.4.1
