has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is
問題：在本地pycharm上跑沒問題，部署到服務器上就發現表單提交沒反應了，取出火狐調試發現出現如下錯誤，大概意思是被服務器端同源策略攔截導致，因爲項目是前後端分離開發，所以服務器會判斷前端屬於跨域請求。 解決方法： 在配置文件中添加如下兩個參數： CORS_ORIGIN_ALLOW_ALL = True #允許所有源訪問（如果不需要允許全部，可以設置CORS_ORIGIN_WHITELIST
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- 1. has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is
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