对每N行合并单元格 LoopMergeStrategy
对1到11列(下标从0开始) 每6行合并
EasyExcel.write(file) .head(title) .registerWriteHandler(new LoopMergeStrategy(6,0)) .registerWriteHandler(new LoopMergeStrategy(6,1)) .registerWriteHandler(new LoopMergeStrategy(6,2)) .registerWriteHandler(new LoopMergeStrategy(6,3)) .registerWriteHandler(new LoopMergeStrategy(6,4)) .registerWriteHandler(new LoopMergeStrategy(6,5)) .registerWriteHandler(new LoopMergeStrategy(6,6)) .registerWriteHandler(new LoopMergeStrategy(6,7)) .registerWriteHandler(new LoopMergeStrategy(6,8)) .registerWriteHandler(new LoopMergeStrategy(6,9)) .registerWriteHandler(new LoopMergeStrategy(6,10)) .sheet("市场代码+供应商明细表(月)") .doWrite(dataList);