·「笔记」安装composer -- 安装phpspreadsheet

1. 安装composer

sudo curl -s https://getcomposer.org/installer | sudo php

mv composer.phar /usr/local/bin/composer

sudo chmod a+x composer

或者不使用全局变量 ./composer.phar


可能会遇见的问题：
都是跟php的包有关
linux下安装相关依赖  

ext-mbstring

ext-zip



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

  Problem 1
    - phpoffice/phpspreadsheet 1.3.1 requires ext-mbstring * -> the requested PHP extension mbstring is missing from your system.
    - phpoffice/phpspreadsheet 1.3.0 requires ext-mbstring * -> the requested PHP extension mbstring is missing from your system.
    - Installation request for phpoffice/phpspreadsheet ^1.3 -> satisfiable by phpoffice/phpspreadsheet[1.3.0, 1.3.1].




 Problem 1
    - phpoffice/phpspreadsheet 1.3.1 requires ext-zip * -> the requested PHP extension zip is missing from your system.
    - phpoffice/phpspreadsheet 1.3.0 requires ext-zip * -> the requested PHP extension zip is missing from your system.


    - Installation request for phpoffice/phpspreadsheet ^1.3 -> satisfiable by phpoffice/phpspreadsheet[1.3.0, 1.3.1].            

2. 安装phpoffice

composer require phpoffice/phpspreadsheet

vendor下就是我们要用的各个文件。