异常
You need to add dependency of 'poi-ooxml' to your project, and version >= 3.17
cn.hutool.core.exceptions.DependencyException: You need to add dependency of 'poi-ooxml' to your project, and version >= 3.17 at cn.hutool.poi.excel.ExcelUtil.getReader(ExcelUtil.java:310) at cn.hutool.poi.excel.ExcelUtil.getReader(ExcelUtil.java:261) at c.h.u.a.c.UC.impoetFile(UC.java:306) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:190) at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:138) at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:105) at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:878) at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:792) at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:87) at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1040) at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:943) at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1006) at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:909) at javax.servlet.http.HttpServlet.service(HttpServlet.java:652) at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:883) at javax.servlet.http.HttpServlet.service(HttpServlet.java:733) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ...Caused by: java.lang.NoClassDefFoundError: Could not initialize class org.apache.poi.xssf.model.SharedStringsTable at org.apache.poi.ooxml.POIXMLFactory.createDocumentPart(POIXMLFactory.java:61) at org.apache.poi.ooxml.POIXMLDocumentPart.read(POIXMLDocumentPart.java:660) at org.apache.poi.ooxml.POIXMLDocument.load(POIXMLDocument.java:165) at org.apache.poi.xssf.usermodel.XSSFWorkbook.(XSSFWorkbook.java:278) at org.apache.poi.xssf.usermodel.XSSFWorkbookFactory.createWorkbook(XSSFWorkbookFactory.java:118) at org.apache.poi.xssf.usermodel.XSSFWorkbookFactory.create(XSSFWorkbookFactory.java:98) at org.apache.poi.xssf.usermodel.XSSFWorkbookFactory.create(XSSFWorkbookFactory.java:36) at org.apache.poi.ss.usermodel.WorkbookFactory.lambda$create$2(WorkbookFactory.java:199) at org.apache.poi.ss.usermodel.WorkbookFactory.wp(WorkbookFactory.java:295) at org.apache.poi.ss.usermodel.WorkbookFactory.create(WorkbookFactory.java:199) at cn.hutool.poi.excel.WorkbookUtil.createBook(WorkbookUtil.java:88) at cn.hutool.poi.excel.WorkbookUtil.createBook(WorkbookUtil.java:74) at cn.hutool.poi.excel.ExcelReader. (ExcelReader.java:85) at cn.hutool.poi.excel.ExcelUtil.getReader(ExcelUtil.java:308)
jar版本
cn.hutool hutool-all4.5.10 org.apache.poi poi5.0.0 org.apache.poi poi-ooxml-schemas4.1.2 org.apache.poi poi-ooxml5.0.0
原因
hutool-all版本太低，升级到5.*
后续问题
hutool-all升级后，报
SEVERE: Servlet.service() for servlet [dispatcherServlet] in context with path [] threw exception [Handler dispatch failed; nested exception is java.lang.NoSuchMethodError: 'org.apache.xmlbeans.XmlOptions org.apache.xmlbeans.XmlOptions.setUseDefaultNamespace(boolean)'] with root causejava.lang.NoSuchMethodError: 'org.apache.xmlbeans.XmlOptions org.apache.xmlbeans.XmlOptions.setUseDefaultNamespace(boolean)' at org.apache.poi.xssf.model.SharedStringsTable.(SharedStringsTable.java:96) at org.apache.poi.ooxml.POIXMLFactory.createDocumentPart(POIXMLFactory.java:61) at org.apache.poi.ooxml.POIXMLDocumentPart.read(POIXMLDocumentPart.java:660) at org.apache.poi.ooxml.POIXMLDocument.load(POIXMLDocument.java:165) at org.apache.poi.xssf.usermodel.XSSFWorkbook. (XSSFWorkbook.java:278) at org.apache.poi.xssf.usermodel.XSSFWorkbookFactory.createWorkbook(XSSFWorkbookFactory.java:118) at org.apache.poi.xssf.usermodel.XSSFWorkbookFactory.create(XSSFWorkbookFactory.java:98) at org.apache.poi.xssf.usermodel.XSSFWorkbookFactory.create(XSSFWorkbookFactory.java:36) at org.apache.poi.ss.usermodel.WorkbookFactory.lambda$create$2(WorkbookFactory.java:199) at org.apache.poi.ss.usermodel.WorkbookFactory.wp(WorkbookFactory.java:295) at org.apache.poi.ss.usermodel.WorkbookFactory.create(WorkbookFactory.java:199) at cn.hutool.poi.excel.WorkbookUtil.createBook(WorkbookUtil.java:110) at cn.hutool.poi.excel.WorkbookUtil.createBook(WorkbookUtil.java:97) at cn.hutool.poi.excel.ExcelReader. (ExcelReader.java:86) at cn.hutool.poi.excel.ExcelUtil.getReader(ExcelUtil.java:208) at cn.hutool.poi.excel.ExcelUtil.getReader(ExcelUtil.java:195) at c.h.u.a.c.UC.impoetFile(UC.java:306)...
原因
poi-ooxml-schemas包引入错误，poi包5.*版本更改了名称：poi-ooxml-schemas 改为 poi-ooxml-lite/full；
删除poi-ooxml-schemas包，poi-ooxml-lite包已经在poi包里，所以只添加poi-ooxml-full
org.apache.poi poi-ooxml-full5.0.0
解析Excel正常；
参考（poi官方文档5.0.0栏）：History of Changes
