被 CORS 策略阻止：无“访问控制允许来源”。 后台已经设置了相关的header或者相同
[英]Blocked by CORS policy: No 'Access-Control-Allow-Origin'. The backend has set the relevant header or the same
问题描述
Only appears when uploading larger files, no problem when connecting to a file server in the LAN(not localhost).
仅在上传较大文件时出现，连接到局域网中的文件服务器（不是本地主机）时没有问题。
Req:要求：
Error with this request:此请求出错：
This is right, the difference is just the file size.没错，区别只是文件大小。
Resp:回复：
Access-Control-Allow-Method = [POST]
Access-Control-Allow-Headers = [x-requested-with]
Access-Control-Allow-Credentials = [true]
Access-Control-Allow-Origin = [http://localhost:3000]
1 个解决方案
解决方案1
0 2022-01-09 12:10:56
The default limit size of nginx is within 1M. nginx的默认限制大小在1M以内。 add this config:添加此配置：
client_max_body_size xM
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