由于数据中有韩文等，如果采用GBK会乱码，于是选择了UTF-16，但使用UTF-16后，发现excel导入会失败，抛异常。

java.lang.NullPointerException

        at com.fr.io.importer.ExcelReportImporter.putTabledata(Unknown Source)

        at com.fr.io.importer.ExcelReportImporter.importExcel2Book(Unknown Source)

        at com.fr.web.core.A.pA.actionCMD(Unknown Source)

        at com.fr.web.core.WebActionsDispatcher.dealForActionCMD(Unknown Source)

        at com.fr.web.core.WebActionsDispatcher.dealForActionDefaultCmd(Unknown

Source)

        at com.fr.web.core.WebActionsDispatcher.dealForActionCMD(Unknown Source)

        at com.fr.web.core.A.kC.process(Unknown Source)

        at com.fr.web.core.ReportDispatcher.dealWithOp(Unknown Source)

        at com.fr.web.core.ReportDispatcher.dealWeblet(Unknown Source)

        at com.fr.web.core.ReportDispatcher.dealWithRequest(Unknown Source)

        at com.fr.web.BaseServlet.doGet(Unknown Source)

        at com.fr.web.BaseServlet.doPost(Unknown Source)

        at javax.servlet.http.HttpServlet.service(HttpServlet.java:616)

        at javax.servlet.http.HttpServlet.service(HttpServlet.java:689)

        at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:428)

        at org.mortbay.jetty.servlet.WebApplicationHandler.dispatch(WebApplicati

onHandler.java:473)

        at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:568)

        at org.mortbay.http.HttpContext.handle(HttpContext.java:1530)

        at org.mortbay.jetty.servlet.WebApplicationContext.handle(WebApplication

Context.java:633)

        at org.mortbay.http.HttpContext.handle(HttpContext.java:1482)

        at org.mortbay.http.HttpServer.service(HttpServer.java:909)

        at org.mortbay.http.HttpConnection.service(HttpConnection.java:820)

        at org.mortbay.http.HttpConnection.handleNext(HttpConnection.java:986)

        at org.mortbay.http.HttpConnection.handle(HttpConnection.java:837)

        at org.mortbay.http.SocketListener.handleConnection(SocketListener.java:245)

        at org.mortbay.util.ThreadedServer.handle(ThreadedServer.java:357)

        at org.mortbay.util.ThreadPool$PoolThread.run(ThreadPool.java:534)