内容

• 特性
• 信号
• 方法
• 详细描述

WebSocket QML Type

QML 接口到 QWebSocket . 更多...

import 语句：	import QtWebSockets 1.1
Since:	Qt 5.3

• 所有成员列表，包括继承成员

特性

• active : bool
• errorString : QString
• status : Status
• url : QUrl

信号

• binaryMessageReceived (QString message )
• statusChanged (Status status )
• textMessageReceived (QString message )

方法

• void sendBinaryMessage (ArrayBuffer message )
• void sendTextMessage (string message )

详细描述

WebSocket 是通过单 TCP 连接提供全双工通信通道的 Web 技术。WebSocket 协议由 IETF 标准化为 RFC 6455 in 2011.

特性文档编制

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 : QString

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

status : Status

Status of the WebSocket.

The status can have the following values:

• WebSocket.Connecting
• WebSocket.Open
• WebSocket.Closing
• WebSocket.Closed
• WebSocket.Error

url : QUrl

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

信号文档编制

binaryMessageReceived ( QString message )

This signal is emitted when a binary message is received.

This QML signal was introduced in Qt 5.8.

statusChanged ( Status status )

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

另请参阅 WebSocket::status .

textMessageReceived ( QString message )

This signal is emitted when a text message is received.

方法文档编制

void sendBinaryMessage ( ArrayBuffer message )

发送 message to the server.

该 QML 方法在 Qt 5.8 引入。

void sendTextMessage ( string message )

发送 message to the server.