跨域問題:Access to XMLHttpRequest at 'XXX' from origin...
這兩天有個玩前端同學突然問我一個跨域的問題，直接給我發了個截圖 然後問是不是前端那裏錯了 我的反應卻不是前端那裏錯了，而是後端那裏錯了~ 想想跨域問題八成是後端小夥紙沒開允許跨域吧，於是我去服務器（我借他的）瞅了一眼源碼，果不其然 小夥用的是Flask，在app.py中沒有設置允許跨域，於是加上，重啓，就OK了 至於我爲啥會這麼反應，那得從Springboot的註釋說起~
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相關文章
- 1. 跨域問題Access to XMLHttpRequest'*'from origin '*' has been blocked by CORS..Access-Control-Allow-Origin
- 2. Access to XMLHttpRequest at 'xxx' from origin 'xxx' has been blocked by CORS policy: No 'Access-Cont
- 3. 【Node.JS】跨域請求配置。Access to XMLHttpRequest at xxx from origin xxx has been blocked by CORS policy
- 4. Access to XMLHttpRequest at 「 xxx」 from origin 'null' has been blocked by CORS policy解決方法
- 5. Access to XMLHttpRequest at 'http://127.0.0.1:8000/XXXXX' from origin 'http://localhost
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- 8. Access to XMLHttpRequest at 'url' from origin 'null' has been blocked by CORS policy: Request header
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