Java 是否可以在abstractview类中注入服务类？

我想在下面的抽象视图类中使用公共函数（@service class object）。 我将为我的项目创建一些视图，因此为了方便起见，我想在ExcelSharedService类中创建一些通用函数。 但效果不好。 你能给我一些建议吗？请

public类ExcelView扩展了AbstractXlsxView{
//启动此类时，不会注入此部分。
@注入
私人卓越共享服务卓越共享服务；
@凌驾
受保护的void buildExcelDocument（映射模型、工作簿、HttpServletRequest、，
HttpServletResponse）引发异常{
//创建工作表
工作表=工作簿.createSheet（“项目”）；
Row Row=sheet.createRow（0）；
row.createCell（0.setCellValue（“A”）；
行.createCell（1）.setCellValue（“B”）；
row.createCell（2.setCellValue（“C”）；
最终字符串[]数据列表=新字符串[]{“10”、“20”、“30”}；
CellRangeAddressList范围=新的CellRangeAddressList（1,10000,1,1）；
//这是常见的功能
setValidation（表、范围、数据列表）；
}
}

ExcelSharedService.java

@服务
公共类ExcelSharedService{
公共void setValidation（工作表，CellRangeAddressList范围，字符串[]数据列表）{
DataValidationHelper=sheet.getDataValidationHelper（）；
DataValidationConstraint=helper.createExplicitListConstraint（dataList）；
DataValidation=helper.createValidation（约束，范围）；
表.添加验证数据（验证）；
}
public void setMergedRegion（工作表、CellRangeAddress范围、字符串值）{
表.添加合并区域（范围）；
Row Row=sheet.createRow（range.getFirstRow（））；
Cell Cell=row.createCell（range.getFirstColumn（））；
cell.setCellValue（值）；
}

下面是错误消息

    at org.springframework.web.servlet.view.document.AbstractXlsView.renderMergedOutputModel(AbstractXlsView.java:68)
    at org.springframework.web.servlet.view.AbstractView.render(AbstractView.java:303)
    at org.springframework.web.servlet.DispatcherServlet.render(DispatcherServlet.java:1286)
    at org.springframework.web.servlet.DispatcherServlet.processDispatchResult(DispatcherServlet.java:1041)
    at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:984)
    at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:901)
    at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:970)
    at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:861)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:635)
    at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:846)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:742)
    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:52)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    at org.springframework.boot.web.filter.ApplicationContextHeaderFilter.doFilterInternal(ApplicationContextHeaderFilter.java:55)
    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    at jp.co.nttdataccs.macau.web.trace.MdcPreparationFilter.doFilterInternal(MdcPreparationFilter.java:39)
    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    at org.springframework.boot.actuate.trace.WebRequestTraceFilter.doFilterInternal(WebRequestTraceFilter.java:110)
    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:317)
    at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:127)
    at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:91)
    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331)
    at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:114)
    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331)
    at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:137)
    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331)
    at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:111)
    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331)
    at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:170)
    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331)
    at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:63)
    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331)
    at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:200)
    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331)
    at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:116)
    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331)
    at jp.co.nttdataccs.bmf.config.BmfCsrfFilter.doFilterInternal(BmfCsrfFilter.java:39)

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你得到了什么错误？我得到了NullPointerException.\uuuu uuJava.lang.NullPointerException:null位于org.springframework.web.servlet.view.document.AbstractXlsView.RenderMergeDoutModel（AbstractXlsView.java:68）的ExcelView.buildExcelDocument（PipeLineProjectUpdateExcelView.java:100）上位于org.springframework.web.servlet.view.AbstractView.render（AbstractView.java:303）处，位于org.springframework.web.servlet.DispatcherServlet.render（DispatcherServlet.java:1286）请编辑问题并将错误粘贴到此处，同时向我们显示ExcelSharedService感谢您的帮助。我已经添加了错误消息&ExcelSharedService代码。那么，您为什么不使用

@Autowired