一半记忆、:
publicstringDataTableToExcel(DataTabledt,stringexcelPath){if(dt==null){return"DataTable不能为空";}introws=dt.Rows.Count;intcols=dt.Columns.Count;StringBuildersb;stringconnString;if(rows==0){return"没有数据";}sb=newStringBuilder();connString=string.Format(Con....