出现这个报错主要是baseurl:http://192.168.*.*/后面的（/）或是请求里面的url:/user/login中前面的（/）有一个漏掉了，导致合成的路径不完整，所以报错：无效的URL

DOMException: Failed to execute 'open' on 'XMLHttpRequest': Invalid URL 未能在“xmlhttpRequest”上执行“open”：无效的URL。的更多相关文章

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