Websocket

Here we used the gorilla module to build a websocket application, and this tutorial will focus on building up a websoccket server. About client part will implement with the chrome extension: Websocket King.

Golang: 解決 Go Websocket upgrade:websocket: request origin not allowed by Upgrader.CheckOrigin 跨域問題 錯誤訊息： upgrade:websocket: request origin not allowed by Upgrader.CheckOrigin 原因： 如內文所述，在 Go Websocket 判別跨域來源不合法 解決方式： 需要在 websocket.Upgrader 設定 CheckOrigin 來源，例如下方允許所有來源