EXAMPLE 1:
<cfobject component="cfHSSF" name="exc" />
<cfset wb = exc.readBook("c:\workbook1.xls")>
<cfset sh = exc.readSheet(workbook=wb, sheetname="sh2")>
<cfset cv = exc.getCellValue(sh, 0, 0)>
<cfdump var="#cv#">
EXAMPLE 2:
<cfobject component="cfHSSF" name="exc" />
<cfset theArr = ArrayNew(2)>
<cfset theArr = exc.worksheet2array(BOOKNAME="d:\Reports.xls", sheetName="Sheet1")>
<cfdump var="#theArr#">
EXAMPLE 3:
<cfobject component="cfHSSF" name="exc" />
<cfquery name="getA" datasource="#request.dsn#">
Select *
From states
</cfquery>
<cfset exc.easyQuery2Excel(BOOKNAME="c:\wb.xls", sheetName="sh", titles=getA.columnList, data=getA)>
EXAMPLE 4:
<cfobject component="cfHSSF" name="exc" />
<cfset wb1 = exc.init()>
<cfset sh1 = exc.createSheet(wb1, "sh2")>
<cfset cell1 = exc.setCellValue(sh1, 3, 4, "asd")>
<cfset exc.setCellValue(sh1, 0, 0, "1")>
<cfset exc.setCellValue(sh1, 0, 1, "3")>
<cfset exc.setCellDataFormat(workbook=wb1, sheet=sh1, rownum=2, cellnum=2, format="m/d/yy h:mm", val=Now())>
<cfset exc.setRowHeight(sh1, 0, 1000)>
<cfset exc.setCellWidth(sh1, 0, 5000)>
<cfset exc.setCellAlign(workbook=wb1, cell=cell1, align="right", wrap="true")>
<cfset exc.setCellFormula(sheet=sh1, frml="A1+B1", rownum=1, cellnum=1)>
<cfset exc.setCellBorder(workbook=wb1, cell=cell1, border="Thin", color="red")>
<cfset exc.setCellPattern(workbook=wb1, cell=cell1, pattern="BIG_SPOTS", color="red")>
<cfset exc.createDateCell(wb1, sh1, 1, 0, "h:mm")>
<cfset exc.setCellFontStyle(workbook=wb1, cell=cell1, bold="false", underline="doubLE_ACCOUNTING")>
<cfset region = exc.mergeRegion(sh1, 4, 4, 10, 11)>
<cfset exc.setCellPattern(workbook=wb1, cell=exc.setCellValue(sh1, 4, 4, "asd"), pattern="BIG_SPOTS", color="red")>
<cfset exc.setPageNum(sh1)>
<cfset exc.fitSheet(sh1)>
<cfset exc.setFooters(sheet=sh1, lfooter="left", cfooter="center", rfooter="right", lfooterfont="Verdana", lfooterfontstyle="italic", rfooterfontsize=30)>
<cfset fo = exc.createBook(wb1, "C:\workbook1.xls")>
<cfset exc.close(fo)>
Hope it helps 



I 've tried ur examples , it works
thank u