spring boot + thymeleaf 報錯 org.thymeleaf.exceptions.TemplateInputException

org.thymeleaf.exceptions.TemplateInputException: Error resolving template "admin/verifyPassword", template might not exist or might not be accessible by any of the configured Template Resolvers
    at org.thymeleaf.TemplateRepository.getTemplate(TemplateRepository.java:246)
    at org.thymeleaf.TemplateEngine.process(TemplateEngine.java:1104)
    at org.thymeleaf.TemplateEngine.process(TemplateEngine.java:1060)
    at org.thymeleaf.TemplateEngine.process(TemplateEngine.java:1011)
    at org.thymeleaf.spring4.view.ThymeleafView.renderFragment(ThymeleafView.java:335)
    at org.thymeleaf.spring4.view.ThymeleafView.render(ThymeleafView.java:190)
    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.doPost(FrameworkServlet.java:872)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:661)
    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)

以上錯誤，是個低級錯誤，咱們都知道，在controller上加註解@Controller 和@RestController均可以在前端調通接口，可是兩者的區別在於，當用前者的時候在方法上必須添加註解@ResponseBody，若是不添加@ResponseBody，就會報上面錯誤，由於當使用@Controller 註解時，spring默認方法返回的是view對象（頁面）。而加上@ResponseBody，則方法返回的就是具體對象了。@RestController的做用就至關於@Controller+@ResponseBody的結合體

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