真机调试 websocket 失效怎么办？

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真机调试 websocket 失效怎么办？What should I do if the websocket fails when debugging on the real machine?

The socket legal domain name has been set in the small program, and run in the developer tool 🆗 , but in the real machine debugging time can't connect, very strange! Small program tried to release, release audit online, but still unable to access. I have seen similar questions in the community, but it seems that there is no good solution. In addition, my server runs on port 3333. I think it can specify the port, right?

回答：

location /websocket {        proxy_pass http://127.0.0.1:3333;        proxy_set_header X-Real-IP $remote_addr;        proxy_set_header Host $host;        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;        proxy_set_header Upgrade $http_upgrade;        proxy_set_header Connection "Upgrade";        proxy_set_header X-Real-IP $remote_addr;}