const { extractComponentId } = require('../common/helper'); var Tab = { _handleZanTabChange(e) { const componentId = extractComponentId(e); const dataset = e.currentTarget.dataset; const selectedId = dataset.itemId; const data = { componentId, selectedId }; if (this.handleZanTabChange) { this.handleZanTabChange(data); } else { console.warn('页面缺少 handleZanTabChange 回调函数'); } } }; module.exports = Tab;