SocketTask.send

解釋：通過 WebSocket 連接發(fā)送數(shù)據(jù)。

方法參數(shù)

Object object

object 參數(shù)說明

示例 

在開發(fā)者工具中打開

圖片示例

代碼示例

<button type="primary" bindtap="socketTaskSend">socketTask.send</button>

Page({
    onShow() {
        const socketTask = new Promise((resolve, reject) => {
            const socketHandler = swan.connectSocket({
                url: 'wss://echo.websocket.org',
                success: res => {
                    console.log('connectSocket success', res.socketTaskId);
                },
                fail: err => {
                    reject(err);
                    console.log('connectSocket fail', err);
                }
            });
            socketHandler.onOpen(function () {
                resolve(socketHandler);
            });
        });
        this.socketTask = socketTask;
    },

    socketTaskSend() {
        this.socketTask.then(socketHandler => {
            socketHandler.send({
                data: 'baidu',
                success: res => {
                    swan.showToast({
                        title: '發(fā)送數(shù)據(jù)成功',
                        icon: 'none'
                    });
                    console.log('WebSocket發(fā)送數(shù)據(jù)成功', res);
                },
                fail: err => {
                    swan.showModal({
                        title: '發(fā)送數(shù)據(jù)失敗',
                        content: JSON.stringify(err)
                    });
                    console.log('WebSocket發(fā)送數(shù)據(jù)失敗', err);
                }
            });
        });
    }
});