目录结构

{
    "name": "myjoyoo/affiliate-sdk",
    "description": "如LinkShare、CJ、PJ、Awin之类的联盟的SDK接口封装",
    "type": "l",
    "require": {
        "php": ">=8.0",
        "guzzlehttp/guzzle": "^7.3",
        "nesbot/carbon": "^2.48"
    },
    "license": "Apache",
    "authors": [
        {
            "name": "myjoyoo",
            "email": "[email protected]"
        }
    ],
    "minimum-stability": "dev",
    "autoload": {
        "psr-4": {
            "AffiliateSDK\\": "src"
        },
        "files": ["src/include/commonFunction.php"]
    }
}

改了之后，需要执行下面的命令去生效
composer dump-auotload