WebSocket QML Type

import 語句： import QtWebSockets 1.8

特性

WebSocket 是通過單 TCP 連接提供全雙工通信通道的 Web 技術。WebSocket 協議由 IETF 標準化為 RFC 6455 in 2011.

active : bool

When set to true, a connection is made to the server with the given url. When set to false, the connection is closed. The default value is false.

errorString : string [read-only]

Contains a description of the last error that occurred. When no error occurrred, this string is empty.

negotiatedSubprotocol : string [read-only, since 6.4]

The WebSocket subprotocol that has been negotiated with the server.

該特性在 Qt 6.4 引入。

requestedSubprotocols : list < string > [since 6.4]

The list of WebSocket subprotocols to send in the WebSocket handshake.

該特性在 Qt 6.4 引入。

status : Status [read-only]

Status of the WebSocket.

The status can have the following values:

url : url

Server url to connect to. The url must have one of 2 schemes: ws:// or wss:// . When not supplied, then ws:// 被使用。

binaryMessageReceived ( QString message )

This signal is emitted when a binary message is received. message contains the bytes received.

注意： 相應處理程序是 onBinaryMessageReceived .

statusChanged ( Status status )

This signal is emitted when the status of the WebSocket changes. The status argument provides the current status.

注意： 相應處理程序是 onStatusChanged .

另請參閱 WebSocket::status .

textMessageReceived ( QString message )

This signal is emitted when a text message is received. message contains the bytes received.

注意： 相應處理程序是 onTextMessageReceived .

void sendBinaryMessage ( ArrayBuffer message )

Sends the parameter message to the server.

void sendTextMessage ( string message )

發送 message to the server.