//根据propId一次找出所有父元素的name  getConKeyName(props: model.proItem[], propId: number): string {    let res = ''    for (let item of props) {      if (item.children && item.children.length > 0) {        let child = this.getConKeyName(item.children, propId);        if(child){          res = `${item.propertyName}-${child}`          break        }      } else if (item.propertyId == propId) {        res = item.propertyName;        break      }    }    return res  }