1.composer -v

2.composer 配置環境變數

在編輯環境變數視窗，輸入你的 php.exe 所在的路徑（對應phpstudy選擇的PHP版本），儲存後要重啟一下電腦才會生效.

3.composer 更新最新版  composer selfupdate

4 切換到中國映象 
composer config -g repo.packagist composer https://packagist.phpcomposer.com

5 安裝YII2 外掛 >composer global require "fxp/composer-asset-plugin:^1.2.0"

6 下載基礎版  composer create-project --prefer-dist yiisoft/yii2-app-basic basic

7安裝外掛 

composer require kartik-v/yii2-widget-datepicker

8安裝高階版

composer create-project yiisoft/yii2-app-advanced advanced

9安裝擴充套件包

composer require mdmsoft/yii2-admin "~2.0"
10 安裝擴充套件元件

composer require dmstr/yii2-adminlte-asset  "2.*"