To import Excel sheet into SharePoint list , We can use Query Excel Services Action with Collection operation .
1. Excel file has "No" Null columns.
2. SharePoint List
3. Controls : Set Variable, Query Excel Services, For Each, Collection operation, Create item.
Step 1 :
Set Variable of Max Row needs to be imported.
Use Query Excel Services Control as below
Use credentials to login to site , Workbook path should be an absolute path with sheet name
Cells to retrieve is from and to rows store in collection variable.
step 3: For each loop with run if and collection operation and create item
Target collection is Unique Column , Get the items and store in item till max number of rows (Index)
Run the section if it is not empty
Get the column collection and get the items and store in variable
At last create an Item using Create Item operation :
Finally upload the Excel with out any empty columns ( in case null fill " -" or something) and run the workflow .
you will get the result in the list as follows