delphi 与HTML5 Websocket通讯时需要服务器返回握手验证信号,需要用Sha1 + Base64 计算 Sec-WebSocket-Accept返回给客户端 -Delphi Websocket HTML5 communication with the need to return the server handshake authentication signal, you need to use Base64+ Sha1 to calculate the return to t