When a query is found a collection of one million data, the memory of gc, how from the code level optimization?
How to achieve large file uploads and downloads?

CodePudding user response:

Paging query words is the basic operation.
If the export excel, such as the poi with can use SXSSFWorkbook to export, basic is no problem.

CodePudding user response:

You are the best points to download multiple excel, each excel to have a number of restrictions

CodePudding user response:

Paging is thinking, and also can download a fragment, what circumstance can communicate together