目前的报错是这样的Oops!!!非常抱歉,出错啦。详细信息java.lang.NullPointerException<br> at com.fr.web.reportlet.MultiTemplateReportlet$MultiTempalteWorkBook.getReportParameterAttr(Unknown Source)<br> at com.fr.web.core.ReportSessionIDInfor.applyParameter(Unknown Source)<br> at com.fr.web.core.SessionIDInfor.applySessionIDInforParameters(Unknown Source)<br> at com.fr.web.core.ReportSessionIDInfor.<init>(Unknown Source)<br> at com.fr.web.core.ReportSessionIDInfor.<init>(Unknown Source)<br> at com.fr.web.core.Reportlet.createSessionIDInfor(Unknown Source)<br> at com.fr.web.core.SessionDealWith.generateSessionID(Unknown Source)<br> at com.fr.web.core.reserve.ReportletDealWith.dealWithReportlet(Unknown Source)<br> at com.fr.web.core.Reportlet.dealWeblet(Unknown Source)<br> at com.fr.web.core.ReportDispatcher.dealWeblet(Unknown Source)<br> at com.fr.web.core.ReportDispatcher.dealWithRequest(Unknown Source)<br> at com.fr.web.BaseServlet.doGet(Unknown Source)<br> at javax.servlet.http.HttpServlet.service(HttpServlet.java:624)<br> at javax.servlet.http.HttpServlet.service(HttpServlet.java:731)<br> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)<br> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)<br> at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:219)<br> at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:110)<br> at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:169)<br> at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)<br> at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:962)<br> at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)<br> at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:445)<br> at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1115)<br> at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:637)<br> at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:316)<br> at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:895)<br> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:918)<br> at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)<br> at java.lang.Thread.run(Thread.java:662)<br>https://help.fanruan.com/finereport/doc-view-407.html 不知道可以这样获取参数吗,如下图,但是位置写在哪呢