接口 Handler

所有已知子接口:
CellWriteHandler, RowWriteHandler, SheetWriteHandler, WorkbookWriteHandler, WriteHandler
所有已知实现类:
AbstractCellStyleStrategy, AbstractColumnWidthStyleStrategy, AbstractHeadColumnWidthStyleStrategy, AbstractMergeStrategy, AbstractRowHeightStyleStrategy, AbstractVerticalCellStyleStrategy, HorizontalCellStyleStrategy, LongestMatchColumnWidthStyleStrategy, LoopMergeStrategy, OnceAbsoluteMergeStrategy, SimpleColumnWidthStyleStrategy, SimpleRowHeightStyleStrategy

public interface Handler
Intercepts handle some business logic