总是报空指针异常 sheet1.autoSizeColumn(1); //调整列为自动宽度 解决方法设置setColumnWidth,直接设置个固定的就好了,后面的7000好像是什么像素之类的没有具体研究,网上查的原因可能是服务器不支持中文文字类型,或者poi的版本问题。 7000差不多20多个字数据的宽度 sheet1.setColumnWidth(1,7000);...
用它来进行excel文件的导出是很趁手的。 一般来说可以直接使用 Sheet.autoSizeColumn方法自动调整每列的...
Hello,I'm currently developing a excel report with certain report elements.My problem is, that I'll try to export the report into EXCEL-Format and the column are not displayed correctly.In the header, there are some text fields to display the report desc
最近在用poi导出excel表格时出现一个比较奇怪的问题,在windows环境下,中文无法自适应,还有一个问题,在window环境下可以正常导出,但是部署在linux环境下,autoSizeColumn(i)方法会抛出异常,导致文件无法导出,在部署的时候把 sheet.autoSizeColumn(i);注释掉就可以正常下载,只是不能做到列宽自适应。 环境 springboot1.5....
`// Auto width column const workbook = new Excel.Workbook(); const sheet1 = workbook.addWorksheet('sheet1'); for (let i = 0; i < sheet1.columns.length; i += 1) { let dataMax = 0; const column = sheet1.columns[i]; for (let j = 1; j < column.values.length; j += 1)...
今天使用npoi导出excel,数据三万以上,等了五六分钟没导完,调试发现瓶颈在AutoSizeColumn()方法,网上一搜https://bz.apache.org/bugzilla/show_bug.cgi?id=58896,讨论话题是当有单元格合并, AutoSizeColumn()效率超级低,至于参数useMergedCells,貌似没有作用。
A magic button has been added in the top left corner of the Excel window as aQuick Access Tool. You can use this button toauto-fit the row height of wrap textsin just one click. Things to Remember AutoFit Row HeightandAutoFit Column Widthdo not work with merged cells. You need to man...
It is possible to simulate AutoFit by tracking the width of the data in the column as your write it. However, that probably isn't something that Pandas should concern itself with. It is something that the underlying Excel writers should do, which they currently don't. So simulation seems ...
excelSheet.autoSizeColumn(new Short(String.valueOf(i))); try { excelSheet.setColumnWidth(i, excelSheet.getColumnWidth(i) + WIDTH_ARROW_BUTTON); } catch (final Exception e) { // don't do anything - just let autosize handle it } } } ...
How to Set a Constant Row Height in Excel TheRow Heightfeature in Excel allows users to set a consistent and predetermined height for rows. This ensures uniformity and facilitates a more organized presentation of data. Follow the steps below to set a constant row height: ...