// 级联选项数据处理exportfunctiontransformData(inputStr) {
constrows=inputStr.map(item=> {
returndataSourceList.map(_item=> {
returnitem[_item]
    }).filter(item=> {
return!!item    });
  });
constres= {
children: {}
  };
rows.forEach(row=> {
row.reduce((pre, cur) => {
if (!pre.children[cur]) {
pre.children[cur] = {
label: cur,
value: pre.value?`${pre.value}_${cur}` : cur,
children: {}
        }
      }
returnpre.children[cur];
    }, res);
  });
constmapToArray= (map) => {
returnObject.values(map).map(item=> {
if (item.children) {
item.children=mapToArray(item.children);
      }
if (Object.keys(item.children).length===0) {
deleteitem.children;
      }
returnitem;
    });
  };
returnmapToArray(res.children);
}