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Failed to load http://localhost:8001/socket.io/?EIO=3&transport=polling&t=MARGXUI: The 'Access-Control-Allow-Origin' header has a value 'null' that is not equal to the supplied origin. Origin 'null' is therefore not allowed access
端口号错误,socket.io的js文件没有引用好
请问一下,你们安装nodejs的是什么系统,我的是centos会报错,这是报错吗
我也是这个问题,你解决了吗???????