DataFormatter formatter2 = new DataFormatter(); //creating formatter using the default locale
ICell cell = sheet.GetRow(k).GetCell(l);
String j_username = formatter2.FormatCellValue(cell); //Returns the formatted value of a cell as a String regardless of the cell type.
dr[l] = j_username;
在使用NPOI导入Excel数据时,遇到以上错误,找了几种方法,最终解决是使用了如上代码,DataFormatter。
解决参考地址为:https://stackoverflow.com/questions/30125465/cannot-get-a-text-value-from-a-numeric-cell-poi
关于DataFormatter的讲解地址为:http://poi.apache.org/apidocs/dev/org/apache/poi/ss/usermodel/DataFormatter.html
(全靠谷歌翻译--英语的重要性)
NPOI导入Excel数据方式:https://www.cnblogs.com/Brambling/p/6886221.html