标签:integer mes server customize vax www bsp 模版 ack
@Bean public EmbeddedServletContainerCustomizer containerCustomizer() { return new EmbeddedServletContainerCustomizer() { @Override public void customize(ConfigurableEmbeddedServletContainer container) { ErrorPage error401Page = new ErrorPage(HttpStatus.UNAUTHORIZED, "/401"); ErrorPage error405Page = new ErrorPage(HttpStatus.METHOD_NOT_ALLOWED, "/405"); ErrorPage error404Page = new ErrorPage(HttpStatus.NOT_FOUND, "/404"); ErrorPage error500Page = new ErrorPage(HttpStatus.INTERNAL_SERVER_ERROR, "/500"); container.addErrorPages(error401Page,error405Page, error404Page, error500Page); } }; }
@Component public class ErrorConfig implements ErrorPageRegistrar { @Override public void registerErrorPages(ErrorPageRegistry registry) { ErrorPage error400Page = new ErrorPage(HttpStatus.BAD_REQUEST, "/error400Page"); ErrorPage error401Page = new ErrorPage(HttpStatus.UNAUTHORIZED, "/error401Page"); ErrorPage error404Page = new ErrorPage(HttpStatus.NOT_FOUND, "/error404Page"); ErrorPage error500Page = new ErrorPage(HttpStatus.INTERNAL_SERVER_ERROR, "/error500Page"); registry.addErrorPages(error400Page,error401Page,error404Page,error500Page); } }
那么此时只要出现了错误,就会找到相应的 http 状态码,而后跳转到指定的错误路径上进行显示。
@Controller public class ErrorPageAction { @RequestMapping(value = "/error400Page") public String error400Page() { return "404"; } @RequestMapping(value = "/error401Page") public String error401Page() { return "401"; } @RequestMapping(value = "/error404Page") public String error404Page(Model model) { model.addAttribute("code","6666666"); model.addAttribute("msg","服务器降级中......"); return "404"; } @RequestMapping(value = "/error500Page") public String error500Page(Model model) { return "500"; } }
404.html
<!DOCTYPE html> <html lang="en" xmlns:th="http://www.w3.org/1999/xhtml"> <head> <meta charset="UTF-8"> </head> <body> <p th:text="${code}"/> <p th:text="${msg}"/> </body> </html>
如果此时配置有错误页,那么这个时候错误会统一跳转到 500 所在的路径上进行错误的显示,但是如果说现在希望能够显示 出错误更加详细的内容呢?
所以这个时候可以单独定义一个页面进行错误的信息显示处理,而这个页面,可以定义在“src/main/view/templates/error.html”, 这个页面里面要求可以输出一些信息;
@ControllerAdvice public class GlobalExceptionHandler { @ExceptionHandler(Exception.class) // 所有的异常都是Exception子类 public ModelAndView defaultErrorHandler(HttpServletRequest request, Exception e) { // 出现异常之后会跳转到此方法 ModelAndView mav = new ModelAndView("error"); // 设置跳转路径 mav.addObject("exception", e); // 将异常对象传递过去 mav.addObject("url", request.getRequestURL()); // 获得请求的路径 return mav; } }
error.html
<!DOCTYPE HTML> <html xmlns:th="http://www.thymeleaf.org"> <head> <title>SpringBoot模版渲染</title> <link rel="icon" type="image/x-icon" href="/images/study.ico"/> <meta http-equiv="Content-Type" content="text/html;charset=UTF-8"/> </head> <body> <p th:text="${url}"/> <p th:text="${exception.message}"/> </body> </html>
package cn.study.microboot.advice; import javax.servlet.http.HttpServletRequest; import org.springframework.web.bind.annotation.ExceptionHandler; import org.springframework.web.bind.annotation.RestControllerAdvice; //@ControllerAdvice// 作为一个控制层的切面处理 @RestControllerAdvice public class GlobalExceptionHandler { public static final String DEFAULT_ERROR_VIEW = "error"; // 定义错误显示页,error.html @ExceptionHandler(Exception.class) // 所有的异常都是Exception子类 public Object defaultErrorHandler(HttpServletRequest request,Exception e) { class ErrorInfo { private Integer code ; private String message ; private String url ; public Integer getCode() { return code; } public void setCode(Integer code) { this.code = code; } public String getMessage() { return message; } public void setMessage(String message) { this.message = message; } public String getUrl() { return url; } public void setUrl(String url) { this.url = url; } } ErrorInfo info = new ErrorInfo() ; info.setCode(100); // 标记一个错误信息类型 info.setMessage(e.getMessage()); info.setUrl(request.getRequestURL().toString()); return info ; } }
spring系列六、springboot配置错误页面及全局异常
标签:integer mes server customize vax www bsp 模版 ack
原文地址:https://www.cnblogs.com/wangzhuxing/p/10158390.html