开发环境
名称 | 版本 |
---|---|
操作系统 | Windows 10 X64 |
JDK | JDK1.8(jdk-8u151-windows-x64) |
IntelliJ IDEA | IntelliJ IDEA 2018.3 |
Maven | Maven 3.6.0 |
问题描述
在 SpringBoot POI 导入,导出 Excel 中,所有的操作都是放在 Web 层的,后来把 Excel 操作公共类-ExcelUtils
放到了 Common
层去使用。
Web 层的接口如下:
public ResponseVO supplierInfoImport(@RequestParam(value = "filename") MultipartFile file) {
ResponseVO<Boolean> responseVO = new ResponseVO<>(ResponseCode.SYSTEM_EXCEPTION);
responseVO.setData(false);
if (file.isEmpty()) {
responseVO.setCode(ResponseCode.PARAM_INVALID.value());
responseVO.setMessage("文件为空!");
return responseVO;
}
//获取文件名
String fileName = file.getOriginalFilename();
if(!POIExcelUtils.validateExcel(fileName)){
responseVO.setCode(ResponseCode.PARAM_INVALID.value());
responseVO.setMessage("必须上传 Excel 文件!");
return responseVO;
}
InputStream inputStream = null;
try {
inputStream = file.getInputStream();
Sheet sheet = POIExcelUtils.getSheet(fileName, inputStream);
List<SupplierInfo> listData = new ArrayList<>();
Iterator<Row> rowItr = sheet.rowIterator();//遍历全部非空行
int count = 1;
//for(Row row : sheet){ //忽略表头 if(row.getRowNum() == 0) continue; //会获取所有行,包括空行
//while(rowItr.hasNext()){ Row row=rowItr.next();//会获取所有行,包括空行
int rowCount = sheet.getPhysicalNumberOfRows();
for (int i = 1; i < rowCount; i++) {
Row row = sheet.getRow(i);
//如果得到的行是空的一行,可以根据row.getFirstCellNum()是否大于等于0 来判断
//该行为空那么:row.getFirstCellNum()=-1的,否则row.getFirstCellNum()=0
if (null == row) break;
if (row.getFirstCellNum() == -1) break;
Integer col = 0;//列序号
SupplierInfo data = new SupplierInfo();
//供应商编码 supplier_code
data.setSupplierCode(POIExcelUtils.getStringValue(row.getCell(col++)));
}
}
}
运行到 POIExcelUtils.getStringValue(row.getCell(col++))
报错。
Common 层 POIExcelUtils.getStringValue
方法如下:
/**
* 获取 Cell 对应的字符串类型值
* @param cell Cell
* @return 字符串类型值
*/
public static String getStringValue(Cell cell){
String value="";
if(cell == null) return value;
switch (cell.getCellType()) {
case NUMERIC:// 数字
//如果为时间格式的内容
if (HSSFDateUtil.isCellDateFormatted(cell)) {
//注:format格式 yyyy-MM-dd hh:mm:ss 中小时为12小时制,若要24小时制,则把小h变为H即可,yyyy-MM-dd HH:mm:ss
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
value=sdf.format(HSSFDateUtil.getJavaDate(cell.
getNumericCellValue())).toString();
break;
} else {
value = new DecimalFormat("0").format(cell.getNumericCellValue());
}
break;
case STRING:// 字符串
value = cell.getStringCellValue();
break;
case BOOLEAN: // Boolean
value = cell.getBooleanCellValue() + "";
break;
case FORMULA: // 公式
value = cell.getCellFormula() + "";
break;
case BLANK: // 空值
value = "";
break;
case ERROR: // 故障
value = "非法字符";
break;
default:
value = "未知类型";
break;
}
return value;
}
运行到 cell.getCellType()
报错。
报错信息如下:
{
"timestamp": "2020-01-08T02:46:18.955+0000",
"status": 500,
"error": "Internal Server Error",
"message": "org/apache/poi/ss/usermodel/CellType",
"trace": "java.lang.NoClassDefFoundError: org/apache/poi/ss/usermodel/CellType\r\n\tat com.foreign.payment.common.util.POIExcelUtils$1.<clinit>(POIExcelUtils.java:134)\r\n\tat com.foreign.payment.common.util.POIExcelUtils.getStringValue(POIExcelUtils.java:134)\r\n\tat com.foreign.payment.web.controller.TaxPayerController.supplierInfoImport(TaxPayerController.java:958)\r\n\tat com.foreign.payment.web.controller.TaxPayerController$$FastClassBySpringCGLIB$$9c05668f.invoke(<generated>)\r\n\tat org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:218)\r\n\tat org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:750)\r\n\tat org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:163)\r\n\tat org.springframework.aop.framework.adapter.MethodBeforeAdviceInterceptor.invoke(MethodBeforeAdviceInterceptor.java:56)\r\n\tat org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186)\r\n\tat org.springframework.aop.aspectj.MethodInvocationProceedingJoinPoint.proceed(MethodInvocationProceedingJoinPoint.java:88)\r\n\tat com.foreign.payment.web.aspect.WebLogAspect.doAround(WebLogAspect.java:111)\r\n\tat sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)\r\n\tat sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)\r\n\tat sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)\r\n\tat java.lang.reflect.Method.invoke(Method.java:498)\r\n\tat org.springframework.aop.aspectj.AbstractAspectJAdvice.invokeAdviceMethodWithGivenArgs(AbstractAspectJAdvice.java:644)\r\n\tat org.springframework.aop.aspectj.AbstractAspectJAdvice.invokeAdviceMethod(AbstractAspectJAdvice.java:633)\r\n\tat org.springframework.aop.aspectj.AspectJAroundAdvice.invoke(AspectJAroundAdvice.java:70)\r\n\tat org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186)\r\n\tat org.springframework.aop.aspectj.AspectJAfterAdvice.invoke(AspectJAfterAdvice.java:47)\r\n\tat org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186)\r\n\tat org.apache.shiro.spring.security.interceptor.AopAllianceAnnotationsAuthorizingMethodInterceptor$1.proceed(AopAllianceAnnotationsAuthorizingMethodInterceptor.java:82)\r\n\tat org.apache.shiro.authz.aop.AuthorizingMethodInterceptor.invoke(AuthorizingMethodInterceptor.java:39)\r\n\tat org.apache.shiro.spring.security.interceptor.AopAllianceAnnotationsAuthorizingMethodInterceptor.invoke(AopAllianceAnnotationsAuthorizingMethodInterceptor.java:115)\r\n\tat org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186)\r\n\tat org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:93)\r\n\tat org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186)\r\n\tat org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:689)\r\n\tat com.foreign.payment.web.controller.TaxPayerController$$EnhancerBySpringCGLIB$$fb20cbff.supplierInfoImport(<generated>)\r\n\tat sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)\r\n\tat sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)\r\n\tat sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)\r\n\tat java.lang.reflect.Method.invoke(Method.java:498)\r\n\tat org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:190)\r\n\tat org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:138)\r\n\tat org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:105)\r\n\tat org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:893)\r\n\tat org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:798)\r\n\tat org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:87)\r\n\tat org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1040)\r\n\tat org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:943)\r\n\tat org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1006)\r\n\tat org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:909)\r\n\tat javax.servlet.http.HttpServlet.service(HttpServlet.java:665)\r\n\tat org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:883)\r\n\tat javax.servlet.http.HttpServlet.service(HttpServlet.java:750)\r\n\tat org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231)\r\n\tat org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)\r\n\tat org.apache.shiro.web.servlet.ProxiedFilterChain.doFilter(ProxiedFilterChain.java:61)\r\n\tat org.apache.shiro.web.servlet.AdviceFilter.executeChain(AdviceFilter.java:108)\r\n\tat org.apache.shiro.web.servlet.AdviceFilter.doFilterInternal(AdviceFilter.java:137)\r\n\tat org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:125)\r\n\tat org.apache.shiro.web.servlet.ProxiedFilterChain.doFilter(ProxiedFilterChain.java:66)\r\n\tat org.apache.shiro.web.servlet.AbstractShiroFilter.executeChain(AbstractShiroFilter.java:449)\r\n\tat org.apache.shiro.web.servlet.AbstractShiroFilter$1.call(AbstractShiroFilter.java:365)\r\n\tat org.apache.shiro.subject.support.SubjectCallable.doCall(SubjectCallable.java:90)\r\n\tat org.apache.shiro.subject.support.SubjectCallable.call(SubjectCallable.java:83)\r\n\tat org.apache.shiro.subject.support.DelegatingSubject.execute(DelegatingSubject.java:387)\r\n\tat org.apache.shiro.web.servlet.AbstractShiroFilter.doFilterInternal(AbstractShiroFilter.java:362)\r\n\tat org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:125)\r\n\tat org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)\r\n\tat org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)\r\n\tat org.springframework.web.filter.CorsFilter.doFilterInternal(CorsFilter.java:97)\r\n\tat org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119)\r\n\tat org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)\r\n\tat org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)\r\n\tat org.springframework.boot.actuate.web.trace.servlet.HttpTraceFilter.doFilterInternal(HttpTraceFilter.java:88)\r\n\tat org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119)\r\n\tat org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)\r\n\tat org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)\r\n\tat org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:100)\r\n\tat org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119)\r\n\tat org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)\r\n\tat org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)\r\n\tat org.springframework.web.filter.FormContentFilter.doFilterInternal(FormContentFilter.java:93)\r\n\tat org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119)\r\n\tat org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)\r\n\tat org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)\r\n\tat org.springframework.web.filter.HiddenHttpMethodFilter.doFilterInternal(HiddenHttpMethodFilter.java:94)\r\n\tat org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119)\r\n\tat org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)\r\n\tat org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)\r\n\tat org.springframework.cloud.sleuth.instrument.web.ExceptionLoggingFilter.doFilter(ExceptionLoggingFilter.java:50)\r\n\tat org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)\r\n\tat org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)\r\n\tat brave.servlet.TracingFilter.doFilter(TracingFilter.java:86)\r\n\tat org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)\r\n\tat org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)\r\n\tat org.springframework.boot.actuate.metrics.web.servlet.WebMvcMetricsFilter.filterAndRecordMetrics(WebMvcMetricsFilter.java:114)\r\n\tat org.springframework.boot.actuate.metrics.web.servlet.WebMvcMetricsFilter.doFilterInternal(WebMvcMetricsFilter.java:104)\r\n\tat org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119)\r\n\tat org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)\r\n\tat org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)\r\n\tat org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:201)\r\n\tat org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119)\r\n\tat org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)\r\n\tat org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)\r\n\tat org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:202)\r\n\tat org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96)\r\n\tat org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:526)\r\n\tat org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:139)\r\n\tat org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92)\r\n\tat org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74)\r\n\tat org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343)\r\n\tat org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:408)\r\n\tat org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)\r\n\tat org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:860)\r\n\tat org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1589)\r\n\tat org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)\r\n\tat java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)\r\n\tat java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)\r\n\tat org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)\r\n\tat java.lang.Thread.run(Thread.java:748)\r\nCaused by: java.lang.ClassNotFoundException: org.apache.poi.ss.usermodel.CellType\r\n\tat java.net.URLClassLoader.findClass(URLClassLoader.java:381)\r\n\tat java.lang.ClassLoader.loadClass(ClassLoader.java:424)\r\n\tat sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:335)\r\n\tat java.lang.ClassLoader.loadClass(ClassLoader.java:357)\r\n\tat org.springframework.boot.devtools.restart.classloader.RestartClassLoader.loadClass(RestartClassLoader.java:144)\r\n\tat java.lang.ClassLoader.loadClass(ClassLoader.java:357)\r\n\t... 113 more\r\n",
"path": "/payment/supplierInfoImport"
}
原因分析
Common 层的 pom.xml
引用如下
<!--poi依赖-->
<dependency>
<groupId>org.apache.poi</groupId>
<artifactId>poi</artifactId>
<version>4.1.0</version>
</dependency>
<dependency>
<groupId>org.apache.poi</groupId>
<artifactId>poi-scratchpad</artifactId>
<version>4.1.0</version>
</dependency>
<dependency>
<groupId>org.apache.poi</groupId>
<artifactId>poi-ooxml</artifactId>
<version>4.1.0</version>
</dependency>
Web 层的 pom.xml
引用如下
<!-- 基本依赖,仅操作 xls 格式只需引入此依赖 -->
<dependency>
<groupId>org.apache.poi</groupId>
<artifactId>poi</artifactId>
<version>3.14</version>
</dependency>
<!-- 使用 xlsx 格式需要额外引入此依赖 -->
<dependency>
<groupId>org.apache.poi</groupId>
<artifactId>poi-ooxml</artifactId>
<version>3.14</version>
</dependency>
问题解决
修改 Web 层的 pom.xml
中的版本号和 Common 一致,问题解决
<!-- 基本依赖,仅操作 xls 格式只需引入此依赖 -->
<dependency>
<groupId>org.apache.poi</groupId>
<artifactId>poi</artifactId>
<version>4.1.0</version>
</dependency>
<!-- 使用 xlsx 格式需要额外引入此依赖 -->
<dependency>
<groupId>org.apache.poi</groupId>
<artifactId>poi-ooxml</artifactId>
<version>4.1.0</version>
</dependency>