JAVA POI 读取2013 EXCEL时 XSSFWorkbook(fis);出错

- 日理万妓 2022-06-03 01:07 450阅读 0赞

# import java.io.File; #

> import java.io.FileInputStream;
> 
> import java.io.InputStream;
> 
>   
> 
> 
> import org.apache.poi.ss.usermodel.Cell;
> 
> import org.apache.poi.ss.usermodel.Row;
> 
> import org.apache.poi.ss.usermodel.Sheet;
> 
> import org.apache.poi.ss.usermodel.Workbook;
> 
> import org.apache.poi.xssf.usermodel.XSSFSheet;
> 
> import org.apache.poi.xssf.usermodel.XSSFWorkbook;
> 
>   
> 
> 
>   
> 
> 
> public class ReadExcel\{ 
> 
> public String Readxlsx(File f)\{ 
> 
> String str;
> 
> InputStream fis =new FileInputStream(f);
> 
> XSSFWorkbook wb = new XSSFWorkbook(fis); //到这句出错
> 
> ……
> 
> return str;
> 
> \}
> 
> \}
> 
>   
> 
> 
> 错误信息：严重: Servlet.service() for servlet \[springDispatcherServlet\] in context with path \[/mfile\] threw exception \[Handler processing failed; nested exception isjava.lang.NoClassDefFoundError: org/apache/poi/UnsupportedFileFormatException\] with root cause
> 
> java.lang.ClassNotFoundException: org.apache.poi.UnsupportedFileFormatException
> 
> at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1858)
> 
> at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1701)
> 
> at java.lang.ClassLoader.defineClass1(Native Method)
> 
> at java.lang.ClassLoader.defineClass(Unknown Source)
> 
> at java.security.SecureClassLoader.defineClass(Unknown Source)
> 
> at org.apache.catalina.loader.WebappClassLoaderBase.findClassInternal(WebappClassLoaderBase.java:3118)
> 
> at org.apache.catalina.loader.WebappClassLoaderBase.findClass(WebappClassLoaderBase.java:1340)
> 
> at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1827)
> 
> at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1701)
> 
> at com.cstm.controller.ReadFiles.reads(ReadFiles.java:109)
> 
> at com.cstm.controller.AjaxIndexController.uploadFile(AjaxIndexController.java:94)
> 
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 
> at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
> 
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
> 
> at java.lang.reflect.Method.invoke(Unknown Source)
> 
> at org.springframework.web.method.support.InvocableHandlerMethod.invoke(InvocableHandlerMethod.java:215)
> 
> at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:132)
> 
> at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:104)
> 
> at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandleMethod(RequestMappingHandlerAdapter.java:749)
> 
> at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:690)
> 
> at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:83)
> 
> at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:945)
> 
> at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:876)
> 
> at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:961)
> 
> at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:863)
> 
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:650)
> 
> at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:837)
> 
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
> 
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
> 
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
> 
> at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
> 
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
> 
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
> 
> at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88)
> 
> at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:108)
> 
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
> 
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
> 
> at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:220)
> 
> at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122)
> 
> at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:505)
> 
> at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:169)
> 
> at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
> 
> at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:956)
> 
> at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
> 
> at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:436)
> 
> at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1078)
> 
> at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:625)
> 
> at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:318)
> 
> at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
> 
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
> 
> at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
> 
> at java.lang.Thread.run(Unknown Source)
> 
>   
> 
> 
> 解决方案：
> 
> 是因为导入的jar包不全或者包的版本不一致
> 
> 请导入下列jar包，且包的版本要相同：

> > ![Center][]

> 在导入下列包，对包的版本没有要求：

> > ![Center 1][]
> > 
> >   
> > 
> > 
> >   
> > 
> > 
> >   
> > 
> > 
> >   
> > 
> > 
> >   
> > 
> > 
> > 转自：http://blog.csdn.net/m\_hook/article/details/51852096
> > 
> >   
> >

[Center]: /images/20220603/2b7a415c4fc5456f858fda2d288ad3bf.png
[Center 1]: /images/20220603/d2e91ae7202f432bb3200f84401a0098.png