laravel安裝intervention/image圖像處理擴展 報錯fileinfo is missing

在安裝intervention/p_w_picpath圖像處理擴展 報錯fileinfo is missing

報錯信息如下：

\blog>composer require intervention/p_w_picpath
Using version ^2.3 for intervention/p_w_picpath
./composer.json has been updated
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
    - intervention/p_w_picpath 2.3.7 requires ext-fileinfo * -> the requested PHP extension fileinfo is missing from your system.
    - intervention/p_w_picpath 2.3.6 requires ext-fileinfo * -> the requested PHP extension fileinfo is missing from your system.
    - intervention/p_w_picpath 2.3.5 requires ext-fileinfo * -> the requested PHP extension fileinfo is missing from your system.
    - intervention/p_w_picpath 2.3.4 requires ext-fileinfo * -> the requested PHP extension fileinfo is missing from your system.
    - intervention/p_w_picpath 2.3.3 requires ext-fileinfo * -> the requested PHP extension fileinfo is missing from your system.
    - intervention/p_w_picpath 2.3.2 requires ext-fileinfo * -> the requested PHP extension fileinfo is missing from your system.
    - intervention/p_w_picpath 2.3.1 requires ext-fileinfo * -> the requested PHP extension fileinfo is missing from your system.
    - intervention/p_w_picpath 2.3.0 requires ext-fileinfo * -> the requested PHP extension fileinfo is missing from your system.

出現此錯誤的原因是php.ini中的fileinfo擴展沒有開啟

開啟 extension=php_fileinfo.dll

再重新安裝就可以了’