composer安裝yii2，及報錯

Windows安裝php 先下載 Composer-Setup.exe，安裝git 若是已經安裝了yii， 你能夠用 composer self-update 命令更新 Composer 爲最新版本。github 若沒有安裝，就運行先的命令web composer global require "fxp/composer-asset-plugin:~1.1.1" yii2 composer cre

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