Cumulative output data of kettle Excel

  Some data in the project needs to be accumulated , Read the original data every time and then write all the data , It takes too much time .

Previous output excel It's all a direct choice kettle  In the middle of Excel Output , However, today's eyes shine .

Excel Output Output excel by 2003 There are many versions excel Function is not supported . I guess this Microsoft Excel The output must support 2007 Version of excel Of .

After my exploration, I found ：

1、 Can output 2007 edition excel, By changing extension , Or change when browsing and selecting Save type .

2、 Cumulative output data , By changing If the file already exists , Set to Output using existing files . The content part , When outputting records , Move existing cells down ; Check write to existing worksheet Start writing at the end of the table （ Append row ）.

3、 Use excel Template nested function , This function is quite inefficient , Seeking optimization scheme