百度智能小程序 监听错误

swan.onSocketError

解释：监听 WebSocket 错误

方法参数

Function callback

示例 

在开发者工具中打开

图片示例

代码示例

<button type="primary" bindtap="onSocketError">点击打开websocket事件并监听错误事件</button>

Page({
    onSocketError() {
        swan.onSocketError(function(res) {
            swan.showModal({
                title: '监听到webSocket连接出错',
                content: JSON.stringify(res)
            });
            console.log('WebSocket连接打开出错', res);
        });

        swan.connectSocket({
            url: 'wss://echo.websocket.org',
            success: res => {
                console.log('connectSocket success', res);
            },
            fail: err => {
                console.log('connectSocket fail', err);
            }
        });
    }
});