java poi 单元格合并

合并单元格报错 -------> 先生成单元格, 然后再进行合并, 合并之后只保留一个单元格, 反正需要合并的单元格中数据都是一样的, 如果不一样没做测试

ERROR http-nio-9104-exec-7 com.szeport.action.wxgl.ReportAction - [Action exportCusExrateForExcel Exception message]: Cannot add merged region A2:A6 to sheet because it overlaps with an existing merged region (A1:A3).
java.lang.IllegalStateException: Cannot add merged region A2:A6 to sheet because it overlaps with an existing merged region (A1:A3).
    at org.apache.poi.xssf.usermodel.XSSFSheet.validateMergedRegions(XSSFSheet.java:480)
    at org.apache.poi.xssf.usermodel.XSSFSheet.addMergedRegion(XSSFSheet.java:413)
    at org.apache.poi.xssf.usermodel.XSSFSheet.addMergedRegion(XSSFSheet.java:367)
    at com.szeport.action.wxgzhHdsjcx.WxgzhHdsjcxAction.exportCusExrateForExcel(WxgzhHdsjcxAction.java:244)
    at sun.reflect.GeneratedMethodAccessor160.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:498)
    at ognl.OgnlRuntime.invokeMethod(OgnlRuntime.java:892)
    at ognl.OgnlRuntime.callAppropriateMethod(OgnlRuntime.java:1294)
    at ognl.ObjectMethodAccessor.callMethod(ObjectMethodAccessor.java:68)
    at com.opensymphony.xwork2.ognl.accessor.XWorkMethodAccessor.callMethodWithDebugInfo(XWorkMethodAccessor.java:117)
    at com.opensymphony.xwork2.ognl.accessor.XWorkMethodAccessor.callMethod(XWorkMethodAccessor.java:108)
    at ognl.OgnlRuntime.callMethod(OgnlRuntime.java:1370)
    at ognl.ASTMethod.getValueBody(ASTMethod.java:91)
    at ognl.SimpleNode.evaluateGetValueBody(SimpleNode.java:212)
    at ognl.SimpleNode.getValue(SimpleNode.java:258)
    at ognl.Ognl.getValue(Ognl.java:467)
    at ognl.Ognl.getValue(Ognl.java:431)
    at com.opensymphony.xwork2.ognl.OgnlUtil$3.execute(OgnlUtil.java:352)
    at com.opensymphony.xwork2.ognl.OgnlUtil.compileAndExecuteMethod(OgnlUtil.java:404)
    at com.opensymphony.xwork2.ognl.OgnlUtil.callMethod(OgnlUtil.java:350)
    at com.opensymphony.xwork2.DefaultActionInvocation.invokeAction(DefaultActionInvocation.java:430)
    at com.opensymphony.xwork2.DefaultActionInvocation.invokeActionOnly(DefaultActionInvocation.java:290)
    at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:251)
    at com.pub.framework.interceptors.SessionInterceptor.intercept(SessionInterceptor.java:41)
    at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:245)
    at org.apache.struts2.interceptor.DeprecationInterceptor.intercept(DeprecationInterceptor.java:41)
    at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:245)
    at org.apache.struts2.interceptor.debugging.DebuggingInterceptor.intercept(DebuggingInterceptor.java:256)
    at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:245)
    at com.opensymphony.xwork2.interceptor.DefaultWorkflowInterceptor.doIntercept(DefaultWorkflowInterceptor.java:168)
    at com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98)
    at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:245)
    at com.opensymphony.xwork2.validator.ValidationInterceptor.doIntercept(ValidationInterceptor.java:265)
    at org.apache.struts2.interceptor.validation.AnnotationValidationInterceptor.doIntercept(AnnotationValidationInterceptor.java:76)
    at com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98)
    at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:245)
    at com.opensymphony.xwork2.interceptor.ConversionErrorInterceptor.intercept(ConversionErrorInterceptor.java:138)
    at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:245)
    at com.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept(ParametersInterceptor.java:229)
    at com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98)
    at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:245)
    at com.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept(ParametersInterceptor.java:229)
    at com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98)
    at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:245)
    at com.opensymphony.xwork2.interceptor.StaticParametersInterceptor.intercept(StaticParametersInterceptor.java:191)
    at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:245)
    at org.apache.struts2.interceptor.MultiselectInterceptor.intercept(MultiselectInterceptor.java:73)
    at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:245)
    at org.apache.struts2.interceptor.DateTextFieldInterceptor.intercept(DateTextFieldInterceptor.java:125)
    at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:245)
    at org.apache.struts2.interceptor.CheckboxInterceptor.intercept(CheckboxInterceptor.java:91)
    at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:245)
    at org.apache.struts2.interceptor.FileUploadInterceptor.intercept(FileUploadInterceptor.java:253)
    at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:245)
    at com.opensymphony.xwork2.interceptor.ModelDrivenInterceptor.intercept(ModelDrivenInterceptor.java:100)
    at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:245)
    at com.opensymphony.xwork2.interceptor.ScopedModelDrivenInterceptor.intercept(ScopedModelDrivenInterceptor.java:141)
    at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:245)
    at com.opensymphony.xwork2.interceptor.ChainingInterceptor.intercept(ChainingInterceptor.java:145)
    at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:245)
    at com.opensymphony.xwork2.interceptor.PrepareInterceptor.doIntercept(PrepareInterceptor.java:171)
    at com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98)
    at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:245)
    at com.opensymphony.xwork2.interceptor.I18nInterceptor.intercept(I18nInterceptor.java:140)
    at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:245)
    at org.apache.struts2.interceptor.ServletConfigInterceptor.intercept(ServletConfigInterceptor.java:164)
    at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:245)
    at com.opensymphony.xwork2.interceptor.AliasInterceptor.intercept(AliasInterceptor.java:193)
    at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:245)
    at com.opensymphony.xwork2.interceptor.ExceptionMappingInterceptor.intercept(ExceptionMappingInterceptor.java:189)
    at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:245)
    at org.apache.struts2.impl.StrutsActionProxy.execute(StrutsActionProxy.java:54)
    at org.apache.struts2.dispatcher.Dispatcher.serviceAction(Dispatcher.java:575)
    at org.apache.struts2.dispatcher.ng.ExecuteOperations.executeAction(ExecuteOperations.java:81)
    at org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter.doFilter(StrutsPrepareAndExecuteFilter.java:99)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    at com.szeport.filter.LoginFilter.doFilter(LoginFilter.java:61)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    at org.springframework.orm.hibernate3.support.OpenSessionInViewFilter.doFilterInternal(OpenSessionInViewFilter.java:230)
    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:106)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    at org.springframework.orm.hibernate3.support.OpenSessionInViewFilter.doFilterInternal(OpenSessionInViewFilter.java:230)
    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:106)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:199)
    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96)
    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140)
    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81)
    at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:650)
    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87)
    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:342)
    at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:803)
    at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)
    at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:790)
    at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1459)
    at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
    at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
    at java.lang.Thread.run(Thread.java:748)

import org.apache.poi.ss.usermodel.Cell;
import org.apache.poi.ss.usermodel.CreationHelper;
import org.apache.poi.ss.util.CellRangeAddress;
import org.apache.poi.xssf.usermodel.XSSFRow;
import org.apache.poi.xssf.usermodel.XSSFSheet;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;

　　//导出文件  --> 页面 <span style="display:none;" id="fileName"></span>
　　private String filename;
　　private InputStream inputStream;
　　private String type;

    /**
     * (活动数据查询 - 详情 - 报表导出)
     * @return
     */
    @Action(value = "exportCusExrateForExcel", 
            interceptorRefs = {@InterceptorRef(value = "sessionStack")}, 
            results = {@Result(name = "success", type="stream", params= {"contentType", "${type}", 
                    "inputName", "inputStream", 
                    "bufferSize", "1024", 
                    "contentDisposition", "attachment;filename=${filename}"})}
    )
    public String exportCusExrateForExcel() {
        XSSFWorkbook workbook = new XSSFWorkbook();
        XSSFSheet spreadsheet = workbook.createSheet("活动数据详情");
        CreationHelper createHelper = workbook.getCreationHelper();
        TUserInfo currUser = (TUserInfo) SessionUtil.getSessionAttribute(Constants.USERINFO);
        try {

            System.out.println("=============================================" + queryBean.getHeadSeqNo());
            System.out.println("=============================================" + queryBean.getModuleCode());
            String moduleCode = queryBean.getModuleCode()==null ? "" : queryBean.getModuleCode();
            hdsjDetailBeanList =  wxgzhHdsjcxService.queryHdsjDetailList(queryBean, page);
            
            Cell cell;
            int tWorkSheetCell = 0;
            int tWorkSheetRow = 0;
            XSSFRow row = spreadsheet.createRow(tWorkSheetRow++);
            //序号    标题    培训时间     填报时间    公司名称 报名者微信号    报名者/姓名        报名者/手机        报名者/邮箱    随同人员/姓名    随同人员/手机    随同人员/邮箱
            String[] titles = new String[] {"序号", "标题", "培训时间", "填报时间", "公司名称", "报名者微信号", "报名者/姓名", "报名者/手机", "报名者/邮箱", "随同人员/姓名", "随同人员/手机", "随同人员/邮箱"};
            //序号    月份    发布日期    币种    英文名称    海关汇率    来源    操作
            for(String title : titles) {
                cell = row.createCell(tWorkSheetCell++);
                cell.setCellValue(title);
            }
            if(null != hdsjDetailBeanList && hdsjDetailBeanList.size() > 0) {
                int countNum = 0;
                for (HdsjDetailBean bean : hdsjDetailBeanList) {
                    ++countNum;
                    for (int i = 0; i < bean.getChildCount(); i++) {
                        //序号    月份    发布日期    币种    英文名称    海关汇率    来源    操作
                        row = spreadsheet.createRow(tWorkSheetRow++);
                        //将第一个sheet页中的 第4列 第1行到16行进行单元格合并(行和列从0开始)
//                        spreadsheet.addMergedRegion(new CellRangeAddress(5, 6, 0, 0));
                        
                        cell = row.createCell(0);//序号
                        cell.setCellValue(countNum);
                        cell = row.createCell(1);//"标题"
                        cell.setCellValue(bean.getTitle());
                        cell = row.createCell(2);//"培训时间"
                        cell.setCellValue(DateUtils.dateFormatStr(bean.getTrainingStartTime(), DateUtils.DATE_FORMAT_STR) +
                                " ~ " + DateUtils.dateFormatStr(bean.getTrainingEndTime(), DateUtils.DATE_FORMAT_STR));
                        cell = row.createCell(3);//"填报时间"
                        cell.setCellValue(DateUtils.dateFormatStr(bean.getCreateTime(), DateUtils.DATE_TIME_FORMAT_STR));
                        cell = row.createCell(4);//"公司名称"
                        cell.setCellValue(bean.getEtpsName());
                        cell = row.createCell(5);//"报名者微信号"
                        cell.setCellValue(bean.getOperId());
                        cell = row.createCell(6);//"报名者/姓名"
                        cell.setCellValue(bean.getUserName());
                        cell = row.createCell(7);//"报名者/手机"
                        cell.setCellValue(bean.getPhoneNo());
                        cell = row.createCell(8);//"报名者/邮箱", 
                        cell.setCellValue(bean.getEmail());
                        if(null != bean.getAccoPersons() && bean.getAccoPersons().size() > 0) {
                            cell = row.createCell(9);//"随同人员/姓名", 
                            cell.setCellValue(bean.getAccoPersons().get(i).getUserName());
                            cell = row.createCell(10);//"随同人员/手机", 
                            cell.setCellValue(bean.getAccoPersons().get(i).getPhoneNo());
                            cell = row.createCell(11);//""随同人员/邮箱"
                            cell.setCellValue(bean.getAccoPersons().get(i).getEmail());
                        }
                    }
                    
                }
                
                int totleCount = 0;
                for (int i = 0; i < hdsjDetailBeanList.size(); i++) {
                    int childCount = hdsjDetailBeanList.get(i).getChildCount();
                    totleCount = totleCount + childCount;
                    int start = totleCount -1 ;
                    int end = totleCount;
                    System.out.println("-----------" + start);
                    System.out.println("-----------" + end);
                    if(childCount > 1) {
                        spreadsheet.addMergedRegion(new CellRangeAddress(start, end, 0, 0));
                        spreadsheet.addMergedRegion(new CellRangeAddress(start, end, 1, 1));
                        spreadsheet.addMergedRegion(new CellRangeAddress(start, end, 2, 2));
                        spreadsheet.addMergedRegion(new CellRangeAddress(start, end, 3, 3));
                        spreadsheet.addMergedRegion(new CellRangeAddress(start, end, 4, 4));
                        spreadsheet.addMergedRegion(new CellRangeAddress(start, end, 5, 5));
                        spreadsheet.addMergedRegion(new CellRangeAddress(start, end, 6, 6));
                        spreadsheet.addMergedRegion(new CellRangeAddress(start, end, 7, 7));
                        spreadsheet.addMergedRegion(new CellRangeAddress(start, end, 8, 8));
                    }
                    
                }
            }
            filename = "ImportCusExrate.xlsx";
            File xls = new File(filename);
            FileOutputStream out = new FileOutputStream(xls);
            workbook.write(out);

            out.close();
            setType("application/excel;charset=utf-8");
            inputStream = new FileInputStream(xls);
        } catch (Exception e) {
            log.error("[Action exportCusExrateForExcel Exception message]: "+e.getMessage(), e);
            e.printStackTrace();
            this.addActionError("工单信息下载异常!!!");
            return "errorException";
        }
        
        return SUCCESS;
    }