基于 Composer 卸载软件包
1、查看 composer.json，准备卸载软件包：Moontoast Math Library
"require": {
"php": ">=7.2.0",
"yiisoft/yii2": "~2.0.6",
"yiisoft/yii2-bootstrap": "~2.0.0",
"yiisoft/yii2-swiftmailer": "~2.0.0 || ~2.1.0",
"flow/jsonpath": "^0.4.0",
"yiisoft/yii2-httpclient": "*",
"yiisoft/yii2-redis": "^2.0",
"yii2tech/ar-softdelete": "^1.0",
"hprose/hprose-yii": "^2.0",
"wartron/yii2-uuid": "dev-master",
"mito/yii2-sentry": "~1.0.0",
"yiisoft/yii2-queue": "^2.3",
"intervention/image": "^2.5",
"sam-it/yii2-urlsigner": "^2.0",
"nicolab/php-ftp-client": "^1.5",
"moontoast/math": "^1.2"
},
2、使用 help 获取相关命令：remove 的帮助信息，参考网址：https://getcomposer.org/doc/03-cli.md#remove
PS E:\wwwroot\channel-pub-api> composer
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/ / / __ \/ __ `__ \/ __ \/ __ \/ ___/ _ \/ ___/
/ /___/ /_/ / / / / / / /_/ / /_/ (__ ) __/ /
\____/\____/_/ /_/ /_/ .___/\____/____/\___/_/
/_/
Composer version 1.9.2 2020-01-14 16:30:31
Usage:
command [options] [arguments]
Options:
-h, --help Display this help message
-q, --quiet Do not output any message
-V, --version Display this application version
--ansi Force ANSI output
--no-ansi Disable ANSI output
-n, --no-interaction Do not ask any interactive question
--profile Display timing and memory usage information
--no-plugins Whether to disable plugins.
-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
Available commands:
about Shows the short information about Composer.
archive Creates an archive of this composer package.
browse Opens the package's repository URL or homepage in your browser.
check-platform-reqs Check that platform requirements are satisfied.
clear-cache Clears composer's internal package cache.
clearcache Clears composer's internal package cache.
config Sets config options.
create-project Creates new project from a package into given directory.
depends Shows which packages cause the given package to be installed.
diagnose Diagnoses the system to identify common errors.
dump-autoload Dumps the autoloader.
dumpautoload Dumps the autoloader.
exec Executes a vendored binary/script.
global Allows running commands in the global composer dir ($COMPOSER_HOME).
help Displays help for a command
home Opens the package's repository URL or homepage in your browser.
i Installs the project dependencies from the composer.lock file if present, or falls back on the co
mposer.json.
info Shows information about packages.
init Creates a basic composer.json file in current directory.
install Installs the project dependencies from the composer.lock file if present, or falls back on the co
mposer.json.
licenses Shows information about licenses of dependencies.
list Lists commands
outdated Shows a list of installed packages that have updates available, including their latest version.
prohibits Shows which packages prevent the given package from being installed.
remove Removes a package from the require or require-dev.
require Adds required packages to your composer.json and installs them.
run Runs the scripts defined in composer.json.
run-script Runs the scripts defined in composer.json.
search Searches for packages.
self-update Updates composer.phar to the latest version.
selfupdate Updates composer.phar to the latest version.
show Shows information about packages.
status Shows a list of locally modified packages, for packages installed from source.
suggests Shows package suggestions.
u Upgrades your dependencies to the latest version according to composer.json, and updates the comp
oser.lock file.
update Upgrades your dependencies to the latest version according to composer.json, and updates the comp
oser.lock file.
upgrade Upgrades your dependencies to the latest version according to composer.json, and updates the comp
oser.lock file.
validate Validates a composer.json and composer.lock.
why Shows which packages cause the given package to be installed.
why-not Shows which packages prevent the given package from being installed.
PS E:\wwwroot\channel-pub-api> composer remove --help
Usage:
remove [options] [--] <packages> (<packages>)...
Arguments:
packages Packages that should be removed.
Options:
--dev Removes a package from the require-dev section.
--no-progress Do not output download progress.
--no-update Disables the automatic update of the dependencies.
--no-scripts Skips the execution of all scripts defined in composer.json file.
--update-no-dev Run the dependency update with the --no-dev option.
--update-with-dependencies Allows inherited dependencies to be updated with explicit dependencies. (Deprecrate
d, is now default behavior)
--no-update-with-dependencies Does not allow inherited dependencies to be updated with explicit dependencies.
--ignore-platform-reqs Ignore platform requirements (php & ext- packages).
-o, --optimize-autoloader Optimize autoloader during autoloader dump
-a, --classmap-authoritative Autoload classes from the classmap only. Implicitly enables `--optimize-autoloader`
.
--apcu-autoloader Use APCu to cache found/not-found classes.
-h, --help Display this help message
-q, --quiet Do not output any message
-V, --version Display this application version
--ansi Force ANSI output
--no-ansi Disable ANSI output
-n, --no-interaction Do not ask any interactive question
--profile Display timing and memory usage information
--no-plugins Whether to disable plugins.
-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 remove command removes a package from the current
list of installed packages
php composer.phar remove
Read more at https://getcomposer.org/doc/03-cli.md#remove
3、remove 命令从当前目录中的 composer.json 文件中删除依赖的软件包关系后，将卸载关系所对应的软件包及其依赖包，如图1
图1
PS E:\wwwroot\channel-pub-api> composer remove moontoast/math Loading composer repositories with package information Updating dependencies (including require-dev) Package operations: 0 installs, 0 updates, 3 removals - Removing phpseclib/phpseclib (2.0.23) - Removing phpseclib/bcmath_compat (1.0.4) - Removing moontoast/math (1.2.1) Writing lock file Generating autoload files
4、查看 composer.json，已删除依赖的软件包关系：”moontoast/math”: “^1.2”
"require": {
"php": ">=7.2.0",
"yiisoft/yii2": "~2.0.6",
"yiisoft/yii2-bootstrap": "~2.0.0",
"yiisoft/yii2-swiftmailer": "~2.0.0 || ~2.1.0",
"flow/jsonpath": "^0.4.0",
"yiisoft/yii2-httpclient": "*",
"yiisoft/yii2-redis": "^2.0",
"yii2tech/ar-softdelete": "^1.0",
"hprose/hprose-yii": "^2.0",
"wartron/yii2-uuid": "dev-master",
"mito/yii2-sentry": "~1.0.0",
"yiisoft/yii2-queue": "^2.3",
"intervention/image": "^2.5",
"sam-it/yii2-urlsigner": "^2.0",
"nicolab/php-ftp-client": "^1.5"
},
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