721806280
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721806280
比如如下表头第一行,应该合并前两个单元格“大标题”, 后面3个空白单元格不合并(不能设置null, 所以设置了空字符串) `private List head() { List list = new ArrayList(); List head1 = new ArrayList(); head1.add("大标题"); head1.add("字符串标题2"); head1.add("字符串标题2.2"); list.add(head1); List head2 = new ArrayList(); head2.add("大标题"); head2.add("日期标题"); head2.add("日期标题"); list.add(head2);...
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