如何更新Coldfusion中的工作表

Question

我在Excel文件中的Sheet1上有一个模板。我可以打开它，将数据放入它中，但无法保存到Sheet1上。

<cfspreadsheet 
     action="update" 
     filename = "#theFileCopy#" 
     name = "a" 
     sheetName="Sheet1"> 

令人生气的是，对于update语句，这段代码告诉我Sheet1已经存在。我知道它存在，我想覆盖它。我甚至不能使用action = write将电子表格写入一个全新的文件，因为它给了我一个空指针异常。我甚至尝试将表单添加到不同名称的相同文件并删除sheet1，但也失败了，另一个空指针！我感到沮丧。为什么在这个工作中没有任何工作？

Stack Trace 
at cfRelocationForm2ecfc1823847668$funcPRODUCERELOCATIONFORM.runFunction(xxx/RelocationForm.cfc:152) 
at cfRelocationForm2ecfc1823847668$funcPRODUCERELOCATIONFORM.runFunction(xxx/RelocationForm.cfc:152) 
java.lang.NullPointerException 
    at org.apache.poi.xssf.usermodel.XSSFRichTextString.toCTFont(XSSFRichTextString.java:458) 
    at org.apache.poi.xssf.usermodel.XSSFRichTextString.getFontOfFormattingRun(XSSFRichTextString.java:397) 
    at org.apache.poi.xssf.usermodel.helpers.ColumnHelper.getColumnWidth(ColumnHelper.java:368) 
    at org.apache.poi.xssf.usermodel.XSSFSheet.autoSizeColumn(XSSFSheet.java:337) 
    at coldfusion.excel.Excel.autoResize(Excel.java:1336) 
    at coldfusion.excel.Excel.autoResize(Excel.java:1327) 
    at coldfusion.excel.Excel.writeExcel(Excel.java:4824) 
    at coldfusion.tagext.lang.SpreadSheetTag.writeToExcel(SpreadSheetTag.java:237) 
    at coldfusion.tagext.lang.SpreadSheetTag.doStartTag(SpreadSheetTag.java:157) 
    at coldfusion.runtime.CfJspPage._emptyTcfTag(CfJspPage.java:2799) 
    at 

cfRelocationForm2ecfc1823847668$funcPRODUCERELOCATIONFORM.runFunction(xxx\RelocationForm.cfc:152) 
    at coldfusion.runtime.UDFMethod.invoke(UDFMethod.java:472) 
    at coldfusion.runtime.UDFMethod$ReturnTypeFilter.invoke(UDFMethod.java:405) 
    at coldfusion.runtime.UDFMethod$ArgumentCollectionFilter.invoke(UDFMethod.java:368) 
    at coldfusion.filter.FunctionAccessFilter.invoke(FunctionAccessFilter.java:55) 
    at coldfusion.runtime.UDFMethod.runFilterChain(UDFMethod.java:321) 
    at coldfusion.runtime.UDFMethod.invoke(UDFMethod.java:518) 
    at coldfusion.runtime.TemplateProxy.invoke(TemplateProxy.java:660) 
    at coldfusion.runtime.TemplateProxy.invoke(TemplateProxy.java:469) 
    at coldfusion.filter.ComponentFilter.invoke(ComponentFilter.java:193) 
    at coldfusion.filter.ApplicationFilter.invoke(ApplicationFilter.java:442) 
    at coldfusion.filter.RequestMonitorFilter.invoke(RequestMonitorFilter.java:48) 
    at coldfusion.filter.MonitoringFilter.invoke(MonitoringFilter.java:40) 
    at coldfusion.filter.PathFilter.invoke(PathFilter.java:112) 
    at coldfusion.filter.LicenseFilter.invoke(LicenseFilter.java:30) 
    at coldfusion.filter.ExceptionFilter.invoke(ExceptionFilter.java:94) 
    at coldfusion.filter.ClientScopePersistenceFilter.invoke(ClientScopePersistenceFilter.java:28) 
    at coldfusion.filter.BrowserFilter.invoke(BrowserFilter.java:38) 
    at coldfusion.filter.NoCacheFilter.invoke(NoCacheFilter.java:58) 
    at coldfusion.filter.GlobalsFilter.invoke(GlobalsFilter.java:38) 
    at coldfusion.filter.DatasourceFilter.invoke(DatasourceFilter.java:22) 
    at coldfusion.xml.rpc.CFCServlet.invoke(CFCServlet.java:155) 
    at coldfusion.xml.rpc.CFCServlet.doGet(CFCServlet.java:289) 
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:621) 
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:722) 
    at coldfusion.bootstrap.BootstrapServlet.service(BootstrapServlet.java:89) 
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305) 
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210) 
    at coldfusion.monitor.event.MonitoringServletFilter.doFilter(MonitoringServletFilter.java:42) 
    at coldfusion.bootstrap.BootstrapFilter.doFilter(BootstrapFilter.java:46) 
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243) 
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210) 
    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:224) 
    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:169) 
    at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472) 
    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:168) 
    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:98) 
    at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:928) 
    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118) 
    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:414) 
    at org.apache.coyote.ajp.AjpProcessor.process(AjpProcessor.java:204) 
    at 

org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:539) 
    at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:298) 
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) 
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) 
    at java.lang.Thread.run(Thread.java:722) 

导致错误

<cfspreadsheet action="read" src="#theFileCopy#" name="spreadSheetVar" > 
    <cfset spreadsheetRemoveSheet(spreadsheetVar,"Relocation Form")> 
    <cfspreadsheet action="write" filename="#theFileCopy#" name="spreadsheetVar" overwrite="true" > 

Answer 1

cfspreadsheet read会做xlsx文件但写不会。令人恼火。这是空指针发生的地方，基本上每当我尝试写电子表格。

Answer 2

动作线条= “写” 结合覆盖= “真” 应该这样做。根据Cf文档，UPDATE不允许修改现有工作表，Ikt只允许您将新工作表添加到您的Excel中。所以你将不得不使用覆盖属性写入动作。