swordYWQ

[feature request] expects the El table tree to support custom expansion and lazy loading

4

### Existing Component 是 ### Component Name el-table ### Description 目前el-table支持自定义调用toggleRowExpansion方法自定义展开expand或者表格树，但是不支持懒加载形式，期望能优化支持 /store/watcher.js ``` toggleRowExpansionAdapter(row, expanded) { const hasExpandColumn = this.states.columns.some(({ type }=> type === 'expand')); if(hasExpandColumn) { this.toggleRowExpansion(row, expanded); }...