解决Your requirements could not be resolved to an installable set of packages.

wangyetao@linux_u1604:~/LinuxRoom/PROJECT_CODE_PHP/raw_materials/raw_materials$ composer installLoading composer repositories with package informationInstalling dependencies (including require-dev) ..

dnbug Blog

4709人浏览 · 2018-05-09 19:16:38

dnbug Blog · 2018-05-09 19:16:38 发布

wangyetao@linux_u1604:~/LinuxRoom/PROJECT_CODE_PHP/raw_materials/raw_materials$ composer install
Loading composer repositories with package information
Installing dependencies (including require-dev) from lock file
Your requirements could not be resolved to an installable set of packages.

  Problem 1
    - phpoffice/phpspreadsheet dev-master requires ext-mbstring * -> the requested PHP extension mbstring is missing from your system.
    - phpoffice/phpspreadsheet dev-master requires ext-mbstring * -> the requested PHP extension mbstring is missing from your system.
    - Installation request for phpoffice/phpspreadsheet dev-master -> satisfiable by phpoffice/phpspreadsheet[dev-master].

  To enable extensions, verify that they are enabled in your .ini files:
    - /etc/php/7.0/cli/php.ini
    - /etc/php/7.0/cli/conf.d/10-opcache.ini
    - /etc/php/7.0/cli/conf.d/10-pdo.ini
    - /etc/php/7.0/cli/conf.d/15-xml.ini
    - /etc/php/7.0/cli/conf.d/20-calendar.ini
    - /etc/php/7.0/cli/conf.d/20-ctype.ini
    - /etc/php/7.0/cli/conf.d/20-dom.ini
    - /etc/php/7.0/cli/conf.d/20-exif.ini
    - /etc/php/7.0/cli/conf.d/20-fileinfo.ini
    - /etc/php/7.0/cli/conf.d/20-ftp.ini
    - /etc/php/7.0/cli/conf.d/20-gd.ini
    - /etc/php/7.0/cli/conf.d/20-gettext.ini
    - /etc/php/7.0/cli/conf.d/20-iconv.ini
    - /etc/php/7.0/cli/conf.d/20-json.ini
    - /etc/php/7.0/cli/conf.d/20-phar.ini
    - /etc/php/7.0/cli/conf.d/20-posix.ini
    - /etc/php/7.0/cli/conf.d/20-readline.ini
    - /etc/php/7.0/cli/conf.d/20-shmop.ini
    - /etc/php/7.0/cli/conf.d/20-simplexml.ini
    - /etc/php/7.0/cli/conf.d/20-sockets.ini
    - /etc/php/7.0/cli/conf.d/20-sysvmsg.ini
    - /etc/php/7.0/cli/conf.d/20-sysvsem.ini
    - /etc/php/7.0/cli/conf.d/20-sysvshm.ini
    - /etc/php/7.0/cli/conf.d/20-tokenizer.ini
    - /etc/php/7.0/cli/conf.d/20-wddx.ini
    - /etc/php/7.0/cli/conf.d/20-xdebug.ini
    - /etc/php/7.0/cli/conf.d/20-xmlreader.ini
    - /etc/php/7.0/cli/conf.d/20-xmlwriter.ini
    - /etc/php/7.0/cli/conf.d/20-xsl.ini
  You can also run `php --ini` inside terminal to see which files are used by PHP in CLI mode.

composer install --ignore-platform-reqs 忽略安装,update也一样，当composer.json版本较高时,就用它!

wangyetao@linux_u1604:~/LinuxRoom/PROJECT_CODE_PHP/raw_materials/raw_materials$ composer install --ignore-platform-reqs 
Loading composer repositories with package information
Updating dependencies (including require-dev)
Package operations: 3 installs, 0 updates, 0 removals
  - Installing qiniu/php-sdk (dev-master d2ed225): Cloning d2ed2258fa from cache
  - Installing psr/simple-cache (dev-master 408d5ea): Cloning 408d5eafb8 from cache
  - Installing phpoffice/phpspreadsheet (dev-master 36acc37): Cloning 36acc37287 from cache
phpoffice/phpspreadsheet suggests installing mpdf/mpdf (Option for rendering PDF with PDF Writer)
phpoffice/phpspreadsheet suggests installing dompdf/dompdf (Option for rendering PDF with PDF Writer)
phpoffice/phpspreadsheet suggests installing tecnick.com/tcpdf (Option for rendering PDF with PDF Writer)
phpoffice/phpspreadsheet suggests installing jpgraph/jpgraph (Option for rendering charts, or including charts with PDF or HTML Writers)
Writing lock file
Generating autoload files
wangyetao@linux_u1604:~/LinuxRoom/PROJECT_CODE_PHP/raw_materials/raw_materials$ composer update