const pages = getCurrentPages();  // 无需import
const page = pages[pages.length - 1];

const eventChannel = page.getOpenerEventChannel();
eventChannel.emit('acceptDataFromOpenedPage', { data: 'data from test page' });
eventChannel.emit('someEvent', { data: 'data from test page for someEvent' });
// 监听acceptDataFromOpenerPage事件，获取上一页面通过eventChannel传送到当前页面的数据
eventChannel.on('acceptDataFromOpenerPage', function (data) {
	console.log(data)
})