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has been blocked by CORS policy: The 'Access-Control-Allow-Origin' header contains multiple values '
時間 2019-12-04
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背景:瀏覽器 經過zuul作代理,反向代理到對應的controller中,發現以前正常工做的接口忽然不能正常工做了,最終經過瀏覽器調試模式發現post 出現了錯誤提示:spa has been blocked by CORS policy: The 'Access-Control-Allow-Origin' header contains multiple values '代理 緣由是服務應用裏面
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