springboot 項目解決先後端跨域問題

1:寫以下配置文件，可解決先後端跨域問題：web Access to XMLHttpRequest at 'http://192.130.0.122:8888/gsaSysMenu/MenuBySystemCode?systemCode=ManagerSystem&_=1566361032334' from origin 'http://localhost:8888' has been block

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