Composer未用于安装Yi2扩展

Question

我想安装一些yii2扩展，并想在yii2框架中使用它们。使用Composer时，我遇到了一个错误。

此外，我还尝试在composer中手动添加扩展并添加其内容。json仍然不起作用。

一些命令包括composer。phar文件名，我的主项目存储库中没有此文件。我尝试手动添加作曲家。phar正在使用composer命令，但仍然没有运行。

当我运行这个命令时，我得到了一个错误。

composer require dmstr/yii2-adminlte-asset "^2.1"

我犯了这个错误

Cannot create cache directory /home/kaushalendra/.composer/cache  /repo/https---asset-packagist.org/, or directory is not writable.     Proceeding without cache
Cannot create cache directory /home/kaushalendra/.composer/cache/repo/https---repo.packagist.org/, or directory is not writable. Proceeding without cache
Cannot create cache directory /home/kaushalendra/.composer/cache/files/, or directory is not writable. Proceeding without cache
./composer.json has been updated
Cannot create cache directory /home/kaushalendra/.composer/cache    /repo/https---asset-packagist.org/, or directory is not writable.     Proceeding without cache
Cannot create cache directory /home/kaushalendra/.composer/cache/repo/https---repo.packagist.org/, or directory is not writable. Proceeding without cache
Cannot create cache directory /home/kaushalendra/.composer/cache/files/, or directory is not writable. Proceeding without cache
 Loading composer repositories with package information
 Updating dependencies (including require-dev)
 Your requirements could not be resolved to an installable set of packages .
Problem 1- codeception/base 2.5.6 requires ext-curl * -> the requested    PHP extension curl is missing from your system.
- codeception/base 2.5.6 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- codeception/base 2.5.6 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- Installation request for codeception/base (locked at 2.5.6, required as ^2.4.0) -> satisfiable by codeception/base[2.5.6].
To enable extensions, verify that they are enabled in your .ini files:
- /etc/php/7.3/cli/php.ini
- /etc/php/7.3/cli/conf.d/10-opcache.ini
- /etc/php/7.3/cli/conf.d/10-pdo.ini
- /etc/php/7.3/cli/conf.d/20-calendar.ini
- /etc/php/7.3/cli/conf.d/20-ctype.ini
- /etc/php/7.3/cli/conf.d/20-exif.ini
- /etc/php/7.3/cli/conf.d/20-fileinfo.ini
- /etc/php/7.3/cli/conf.d/20-ftp.ini
- /etc/php/7.3/cli/conf.d/20-gettext.ini
- /etc/php/7.3/cli/conf.d/20-iconv.ini
- /etc/php/7.3/cli/conf.d/20-json.ini
- /etc/php/7.3/cli/conf.d/20-phar.ini
- /etc/php/7.3/cli/conf.d/20-posix.ini
- /etc/php/7.3/cli/conf.d/20-readline.ini
- /etc/php/7.3/cli/conf.d/20-shmop.ini
- /etc/php/7.3/cli/conf.d/20-sockets.ini
- /etc/php/7.3/cli/conf.d/20-sysvmsg.ini
- /etc/php/7.3/cli/conf.d/20-sysvsem.ini
- /etc/php/7.3/cli/conf.d/20-sysvshm.ini
- /etc/php/7.3/cli/conf.d/20-tokenizer.ini
  You can also run `php --ini` inside terminal to see which files are used by PHP in CLI mode.
 Installation failed, reverting ./composer.json to its original content.

I've seen somewhere that using this command it will work but getting this error.

composer global require "fxp/composer-asset-plugin:1.0.0-beta4"

我犯了这个错误

[ErrorException]
file_put_contents(./composer.json): failed to open stream: Permission denied 
require [--dev] [--prefer-source] [--prefer-dist] [--no-progress] [--no-suggest] [--no-update] [--no-scripts] [--update-no-dev] [--update-with-dependencies] [--update-with-all-dependencies] [--ignore-platform-reqs] [--prefer-stable] [--prefer-lowest] [--sort-packages] [-o|--optimize-autoloader] [-a|--classmap-authoritative] [--apcu-autoloader] [--] [<packages>]...`

Answer 1

显然，您没有写入的权限/创作者json

你有两种方法来解决这个问题。通过运行chmod XXX composer向用户或该用户的组授予写入权限。json或者您可以将文件的所有者更改为composer正在使用的用户（他可能已经拥有这些权限）。

上面的XXX应该是数字。你可以在这里读到这些数字应该是什么，但是你可能想要像660或770这样的数字。

有些人可能会使用777来解决此问题，但这应该！！不必须使用，因为您不希望其他人访问文件，除非他们确实需要。

您可以使用chown更改文件的所有者。它应该类似于chown user:group composer。json。

请让我知道，如果有什么你不明白，我会澄清，因为我知道作为一个新的html" target="_blank">linux用户很难理解权限。

请注意，这只是针对最后一个错误，但处理其他错误是类似的。您只需要给用户，哪个作曲家正在为正确的文件和/或文件夹使用正确的权限。可以使用-R标志来处理目录。

Answer 2

>

sudo chown -R kaushalendra:<YOUR_GROUP> /home/kaushalendra/.composer

注意：查找用户所属的组

groups kaushalendra

对我来说，它显示了以下组

omeraslam : omeraslam sudo www-data docker

在之后：所有是我的用户分配的组，我可以使用omeraslam作为用户名，omeraslam作为组，因此对我来说，命令将是sudo chown-R-omeraslam:omeraslam/home/kaushalendra/。作曲家

然后在终端上运行以下命令

sudo apt-get install php-curl

然后重新启动apache

sudo service apache2 restart