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has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is
时间 2021-07-12
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问题:在本地pycharm上跑没问题,部署到服务器上就发现表单提交没反应了,取出火狐调试发现出现如下错误,大概意思是被服务器端同源策略拦截导致,因为项目是前后端分离开发,所以服务器会判断前端属于跨域请求。 解决方法: 在配置文件中添加如下两个参数: CORS_ORIGIN_ALLOW_ALL = True #允许所有源访问(如果不需要允许全部,可以设置CORS_ORIGIN_WHITELIST
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origin 'null' has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is present
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