Question

在工作中，我们有一个非常古老但稳定的applet，它带有两个excel电子表格（一个用作模板，另一个用作数据源）。模板由用户在Excel中创建，但数据源是使用Web应用程序中的POI创建的。在applet中，两个电子表格都是通过Java / COM Bridge（JACOB）打开的，使用以下方法：

/**
 * Opens an excel workbook
 */
public Object openExcelWorkBook(ActiveXComponent xlActx, MailMergeArgs args, String dataSourceDocName, Object xlObj,
                                boolean isTemplate) {
  final String functionName = "openExcelWorkBook";
  Object activeWorkBookOj;
  String workbook;
  // get the workbooks object
  Object wrkBooksObj = Dispatch.get(xlActx, ExcelConstants.APPLICATION_WORKBOOKS).toDispatch();

  if ((!args.isTemplateExistsOnHost()) && (isTemplate)) {
    debug("Skipping opening template...", functionName);
  }
  // it is on host
  else {
    if (isTemplate) {
      workbook = getTemplateDocLoc(args);
    } else {
      if (!this.standaloneApp) {
        workbook = TMP_DIR + dataSourceDocName;
      } else {
        workbook = dataSourceDocName;
      }
    }

    debug("Opening workbook..." + workbook, functionName);
    Dispatch.call(wrkBooksObj, ExcelConstants.WORKBOOKS_OLE_OPEN, workbook).toDispatch();

  }

  debug("Locating workbook...", functionName);
  activeWorkBookOj = Dispatch.get(xlActx, ExcelConstants.APPLICATION_ACTIVEWORKBOOK).toDispatch();

  debug("End", functionName);
  return activeWorkBookOj;
}

从applet日志和hs_err_pid文件我知道模板表由JACOB打开，但数据表在Dispatch.call上失败。

来自hs_err_pid文件：

> Java frames: (J=compiled Java code, j=interpreted, Vv=VM code)
> j  com.jacob.com.Dispatch.invokev(Ljava/lang/Object;Ljava/lang/String;III[Lcom/jacob/com/Variant;[I)Lcom/jacob/com/Variant;+0
> j  com.jacob.com.Dispatch.invokev(Ljava/lang/Object;II[Lcom/jacob/com/Variant;[I)Lcom/jacob/com/Variant;+27
> j  com.jacob.com.Dispatch.callN(Ljava/lang/Object;I[Ljava/lang/Object;)Lcom/jacob/com/Variant;+11
> j  com.jacob.com.Dispatch.call(Ljava/lang/Object;ILjava/lang/Object;)Lcom/jacob/com/Variant;+10
> j  com.perceptive.ctms.applets.ImpactApplet.openExcelWorkBook(Lcom/jacob/activeX/ActiveXComponent;Lcom/perceptive/ctms/applets/MailMergeArgs;Ljava/lang/String;Ljava/lang/Object;Z)Ljava/lang/Object;+122
> j  com.perceptive.ctms.applets.ImpactApplet.doExcelMailMerge(Lcom/perceptive/ctms/applets/MailMergeArgs;Ljava/lang/String;Ljava/lang/String;I)V+234
> j  com.perceptive.ctms.applets.ImpactApplet.runOrams(Lcom/perceptive/ctms/applets/MailMergeArgs;)V+320
> j  com.perceptive.ctms.applets.ImpactApplet.start()V+94
> j  sun.plugin2.applet.Plugin2Manager$AppletExecutionRunnable.run()V+1159
> j  java.lang.Thread.run()V+11
> v  ~StubRoutines::call_stub

自从在Office 2010上进行测试后，我们才遇到此问题。

我们使用的POI 2.5.1和JACOB 1.9在过去几年中都有所改进，我打算尝试升级它们，但我想知道项目和Office 2010是否存在已知问题。虽然POI 3.x支持OOXML我们的代码需要保持向后兼容早期的Office版本，所以我们更愿意坚持使用HSSF生成。

使用JACOB打开在Office 2010中使用POI生成的Excel电子表格时出现问题

0 个答案: