composer.json

{
    "name": "eecjimmy/excel",
    "type": "library",
    "authors": [
        {
            "name": "eecjimmy",
            "email": "eecjimmy@163.com"
        }
    ],
    "require": {
        "php": "~7.2",
        "phpoffice/phpspreadsheet": "^1.15"
    },
    "autoload": {
        "psr-4": {
            "eecjimmy\\Excel\\": "src/"
        }
    }
}