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Response to preflight request doesn‘t pass access control check: It does not have HTTP ok status.
時間 2021-01-19
標籤
vue
欄目
HTTP/TCP
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這個問題整整耗了我將近一天的時間,原以爲是跨域問題,前後端都對跨域做了處理但是沒用,沒想到調後端接口時會發送兩次請求,一次是options ,options通過後再發送get或者post請求,在一開始後端只對請求做了一次攔截,導致前端發送請求時後端只能接收到options請求,並且無token存在,最終解決方法是後端對options做了處理,檢測到是option請求時直接放行,然後就ok啦
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