E:/edison/weiqing/addons/frame_sun/composer.json

{
    "name": "sun/frame",
    "description": "sum company program framework",
    "type": "project",
    "license": "MIT",
    "authors": [
        {
            "name": "sum",
            "email": "sum@qq.com"
        }
    ],
    "minimum-stability": "dev",
    "require": {}
}

e:/package.json

{
    "package": {
        "name": "sun/frame",
        "version": "1.0.0",
        "source": {
          "url": "E:/edison/weiqing/addons/frame_sun/.git",
          "type": "Git",
          "reference": "master"
        }
    }
}

创建一个 demo_sun 项目

 Composer create-project  --stability=dev --repository-url=E:/package.json sun/frame demo_sun