异常现象：在开发环境本地打包部署完全没有问题，资源文件也都可以映射上，但是打包成jar包部署到服务器上时，就一直报异常，异常信息如下：

13:47:58.858 [http-nio-8123-exec-22] ERROR o.t.TemplateEngine - [process,1136] - [THYMELEAF][http-nio-8123-exec-22] Exception processing template "/box/historyBoxBill/historyBoxBill": Error resolving template [/box/historyBoxBill/historyBoxBill], template might not exist or might not be accessible by any of the configured Template Resolvers
org.thymeleaf.exceptions.TemplateInputException: Error resolving template [/box/historyBoxBill/historyBoxBill], template might not exist or might not be accessible by any of the configured Template Resolvers
        at org.thymeleaf.engine.TemplateManager.resolveTemplate(TemplateManager.java:869)
        at org.thymeleaf.engine.TemplateManager.parseAndProcess(TemplateManager.java:607)
        at org.thymeleaf.TemplateEngine.process(TemplateEngine.java:1098)
        at org.thymeleaf.TemplateEngine.process(TemplateEngine.java:1072)
        at org.thymeleaf.spring5.view.ThymeleafView.renderFragment(ThymeleafView.java:362)
        at org.thymeleaf.spring5.view.ThymeleafView.render(ThymeleafView.java:189)
        at org.springframework.web.servlet.DispatcherServlet.render(DispatcherServlet.java:1370)
        at org.springframework.web.servlet.DispatcherServlet.processDispatchResult(DispatcherServlet.java:1116)
        at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1055)
        at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:942)复制

将：

private String prefix = "/box/historyBoxBill";复制

修改为：

private String prefix = "box/historyBoxBill";复制

经过大量的排查，最终的问题出在"/"，去掉最前面的"/"就好了！