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vue ‘been blocked by CORS policy’跨域問題
時間 2019-12-06
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vue
blocked
cors
policy
問題
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vue項目凡是出現‘been blocked by CORS policy’這個報的跨域問題,那就一多半可能的緣由就是封裝請求頭的時候headers出了問題,而後仔細檢查本身封裝文件對‘headers’還有和後臺一塊兒結合查看是否和後臺同樣,要是同樣的話那就是服務器端的預處理請求沒有設置,也就是傳說中的options請求。 1559726953(1).jpg 轉載於:https://www.jia
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