org.springframework.web.servlet.ModelAndView#addAllObjects ( )源码实例Demo

@Override
public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler, ModelAndView mav) {
    if (isRedirection(mav)) {
        WorkflowParameters forwardParams = WorkflowParametersHelper.get(mav.getModelMap());

        if (forwardParams == null) {
            forwardParams = WorkflowParametersHelper.find(request);
        }

        WorkflowParametersHelper.put(RequestContextUtils.getOutputFlashMap(request), forwardParams);
        
        if (forwardParams != null && !forwardParams.isEmpty()) {
            // add forwarded parameters to url
            mav.addAllObjects(forwardParams.toMap());
        }
    }
}
 

/**
 * 加载编辑用户信息的页面.
 * @param userId - 用户的唯一标识符
 * @param request - HttpServletRequest对象
 * @param response - HttpServletResponse对象
 * @return 包含编辑用户信息的ModelAndView对象
 */
@RequestMapping(value="/edit-user/{userId}", method=RequestMethod.GET)
public ModelAndView editUserView(
		@PathVariable(value = "userId") long userId,
		HttpServletRequest request, HttpServletResponse response) {
	User user = userService.getUserUsingUid(userId);
	Map<String, Object> userMeta = userService.getUserMetaUsingUid(user);
	if ( user == null ) {
		throw new ResourceNotFoundException();
	}
	
	List<UserGroup> userGroups = userService.getUserGroups();
	List<Language> languages = languageService.getAllLanguages();
	ModelAndView view = new ModelAndView("administration/edit-user");
	view.addObject("user", user);
	view.addAllObjects(userMeta);
	view.addObject("userGroups", userGroups);
	view.addObject("languages", languages);
	return view;
}
 

/**
 * Generate the success view. The result will contain the assertion and the proxy iou.
 *
 * @param assertion the assertion
 * @param proxyIou the proxy iou
 * @param service the validated service
 * @param proxyGrantingTicket the proxy granting ticket
 * @return the model and view, pointed to the view name set by
 */
private ModelAndView generateSuccessView(final Assertion assertion, final String proxyIou,
                                         final WebApplicationService service,
                                         final TicketGrantingTicket proxyGrantingTicket) {

    final ModelAndView success = new ModelAndView(this.successView);
    success.addObject(CasViewConstants.MODEL_ATTRIBUTE_NAME_ASSERTION, assertion);
    success.addObject(CasViewConstants.MODEL_ATTRIBUTE_NAME_SERVICE, service);
    success.addObject(CasViewConstants.MODEL_ATTRIBUTE_NAME_PROXY_GRANTING_TICKET_IOU, proxyIou);
    if (proxyGrantingTicket != null) {
        success.addObject(CasViewConstants.MODEL_ATTRIBUTE_NAME_PROXY_GRANTING_TICKET, proxyGrantingTicket.getId());
    }
    final Map<String, ?> augmentedModelObjects = augmentSuccessViewModelObjects(assertion);
    if (augmentedModelObjects != null) {
        success.addAllObjects(augmentedModelObjects);
    }
    return success;
}
 

@Override
public void handleReturnValue(Object returnValue, MethodParameter returnType, ModelAndViewContainer mavContainer, NativeWebRequest webRequest) throws Exception {
    if(!(returnValue instanceof MultiView)){
        processor.handleReturnValue(new Result<>(true,returnValue),returnType,mavContainer,webRequest);
        return;
    }
    MultiView view = (MultiView) returnValue;
    //如果是ajax请求，则返回json
    if("XMLHttpRequest".equals(webRequest.getHeader("X-Requested-With"))){
        processor.handleReturnValue(new Result<>(true,view.getModelMap()),returnType,mavContainer,webRequest);
        return;
    }

    ModelAndView temp = new ModelAndView(view.getViewName());
    if(view.getView() != null) {
        temp.setView(view.getView());
    }
    temp.setStatus(view.getStatus());
    temp.addAllObjects(view.getModelMap());
    super.handleReturnValue(temp, returnType, mavContainer, webRequest);
}
 

/**
 * 加载用户的个人信息.
 * @param userId - 用户的唯一标识符
 * @param request - HttpServletRequest对象
 * @param response - HttpResponse对象
 * @return 包含用户个人信息的ModelAndView对象
 */
@RequestMapping(value="/user/{userId}", method=RequestMethod.GET)
public ModelAndView userView(
		@PathVariable("userId") long userId,
		HttpServletRequest request, HttpServletResponse response) {
	User user = userService.getUserUsingUid(userId);
	if ( user == null || "judgers".equals(user.getUserGroup().getUserGroupSlug()) ) {
		throw new ResourceNotFoundException();
	}
	
	ModelAndView view = new ModelAndView("accounts/user");
	view.addObject("user", user);
	view.addAllObjects(userService.getUserMetaUsingUid(user));
	
	view.addObject("submissions", submissionService.getSubmissionOfUser(userId));
	view.addObject("submissionStats", submissionService.getSubmissionStatsOfUser(userId));
	return view;
}
 

@GetMapping("/index")
public ModelAndView index(ModelAndView modelAndView) {
    List<ErpRoom> list = roomService.selectAll();
    Map<String, List<ErpRoom>> map = new HashMap<>();
    map.put("roomList", list);
    modelAndView.addAllObjects(map);
    return modelAndView;
}
 

/**
 * Return a ModelAndView object with the specified view name.
 * <p>The content of the {@link RequestContextUtils#getInputFlashMap
 * "input" FlashMap} is also added to the model.
 * @see #getViewName()
 */
@Override
protected ModelAndView handleRequestInternal(HttpServletRequest request, HttpServletResponse response)
		throws Exception {

	String viewName = getViewName();

	if (getStatusCode() != null) {
		if (getStatusCode().is3xxRedirection()) {
			request.setAttribute(View.RESPONSE_STATUS_ATTRIBUTE, getStatusCode());
		}
		else {
			response.setStatus(getStatusCode().value());
			if (getStatusCode().equals(HttpStatus.NO_CONTENT) && viewName == null) {
				return null;
			}
		}
	}

	if (isStatusOnly()) {
		return null;
	}

	ModelAndView modelAndView = new ModelAndView();
	modelAndView.addAllObjects(RequestContextUtils.getInputFlashMap(request));
	if (viewName != null) {
		modelAndView.setViewName(viewName);
	}
	else {
		modelAndView.setView(getView());
	}
	return modelAndView;
}
 

@ExceptionHandler({ ServiceException.class })
public ModelAndView handleServiceException(HttpServletRequest request, ServiceException exception) {

    ServiceError serviceError = exception.getServiceError();
    HttpStatus httpStatus = HttpStatus.valueOf(serviceError.getHttpStatus());

    RestErrorResponse restErrorResponse = new RestErrorResponse(serviceError, exception.getLocalizedMessage());

    String logMessage;

    try {
        logMessage = ObjectMapperUtils.writeValueAsString(restErrorResponse);
    } catch (JsonProcessingException e) {
        logMessage = "code : " + exception.getServiceError().getCode() + ", message : " + exception.getLocalizedMessage();
    }

    ModelAndView modelAndView = new ModelAndView();

    if (httpStatus.is4xxClientError()) {
        modelAndView.setViewName("error/4xx");
        log.warn(logMessage, exception);

    } else if (httpStatus.is5xxServerError()) {
        modelAndView.setViewName("error/" + httpStatus.toString());
        log.error(logMessage, exception);
    }

    Map<String, Object> map = getErrorAttributes(request, false);
    modelAndView.addAllObjects(map);
    modelAndView.setStatus(httpStatus);
    modelAndView.addObject("status", httpStatus.value());

    return modelAndView;
}
 

@GetMapping("/block")
public ModelAndView block(HttpServletRequest request, long height) {
	ModelAndView model = new ModelAndView("explorer/block");
	model.addAllObjects(properties.toMap());
	model.addObject("height", height);
	model.addObject("baseURL", baseUrl(request));
	return model;
}
 

@GetMapping("/tx")
public ModelAndView tx(HttpServletRequest request, String txid) {
	ModelAndView model = new ModelAndView("explorer/tx");
	model.addAllObjects(properties.toMap());
	model.addObject("txid", txid);
	model.addObject("baseURL", baseUrl(request));
	return model;
}
 

@PostMapping("/history")
public ModelAndView history(HttpServletRequest request, String key, String type) {
	ModelAndView model = new ModelAndView("explorer/history");
	model.addAllObjects(properties.toMap());
	model.addObject("key", key);
	model.addObject("type", type);
	model.addObject("baseURL", baseUrl(request));
	return model;
}
 

/**
 * Thymeleaf 渲染
 * @return
 */
public void renderThymeleaf(String viewName,Map<String,Object> model){
    ModelAndView mv = new ModelAndView();
    mv.setViewName(viewName);
    if(model != null){
        mv.addAllObjects(model);
    }
    this.doRender(RenderFactory.me().getThymeleafRender(mv),null);
}
 

/**
 * Return a ModelAndView object with the specified view name.
 * <p>The content of the {@link RequestContextUtils#getInputFlashMap
 * "input" FlashMap} is also added to the model.
 * @see #getViewName()
 */
@Override
protected ModelAndView handleRequestInternal(HttpServletRequest request, HttpServletResponse response)
		throws Exception {

	String viewName = getViewName();

	if (getStatusCode() != null) {
		if (getStatusCode().is3xxRedirection()) {
			request.setAttribute(View.RESPONSE_STATUS_ATTRIBUTE, getStatusCode());
			viewName = (viewName != null && !viewName.startsWith("redirect:") ? "redirect:" + viewName : viewName);
		}
		else {
			response.setStatus(getStatusCode().value());
			if (isStatusOnly() || (getStatusCode().equals(HttpStatus.NO_CONTENT) && getViewName() == null)) {
				return null;
			}
		}
	}

	ModelAndView modelAndView = new ModelAndView();
	modelAndView.addAllObjects(RequestContextUtils.getInputFlashMap(request));

	if (getViewName() != null) {
		modelAndView.setViewName(viewName);
	}
	else {
		modelAndView.setView(getView());
	}

	return (isStatusOnly() ? null : modelAndView);
}
 

@Override
protected ModelAndView doResolveException(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex) {
    String from = null;
    if(request.getMethod().equals("GET")){
        from = request.getRequestURI();
        if(request.getQueryString()!=null){
            from +="?"+ request.getQueryString();
        }
        try {
            from = URLEncoder.encode(from,"UTF-8");
        } catch (UnsupportedEncodingException e) {
        }
    }
    ex = getActualException(ex);
    boolean isXhr = "XMLHttpRequest".equals(request.getHeader("X-Requested-With"));
    if(isXhr){
        response.setHeader(HttpHeaders.CONTENT_TYPE, MediaType.APPLICATION_JSON_UTF8_VALUE);
        ModelAndView mv = new ModelAndView(new FastJsonJsonView());
        String errorMsg = ex.getMessage();
        if(!(ex instanceof IllegalArgumentException) && !(ex instanceof ServiceException)){
            errorMsg = "系统错误";
        }
        if (ex instanceof NotLoginException) {
            mv.addAllObjects(new _HashMap<String, Object>().add("code", Result.NOT_LOGIN).add("errorMsg", "会话已过期"));
        }else {
            mv.addAllObjects(new _HashMap<String, Object>().add("code", -1).add("errorMsg", errorMsg));
        }
        return mv;
    }

    if(ex instanceof NotLoginException){
        String redirectURL = "redirect:/login";
        if(from!=null){
            redirectURL +="?refer="+from;
        }
        return new ModelAndView(redirectURL);
    }
    return super.doResolveException(request, response, handler, ex);
}
 

@Override
public ModelAndView handleRequest(HttpServletRequest request, HttpServletResponse response) throws Exception {
	ModelAndView result = new ModelAndView();
	result.setViewName(view);

	Map<String, Object> model = new HashMap<>();
	model.put("appConfig", config);
	model.put("server", server);
	model.put("memory", new MemoryInfo());
	model.put("javaProps", getJavaPropStrings());
	model.put("envVars", getEnvVarStrings());
	result.addAllObjects(model);

	return result;
}
 

@Override
public ModelAndView handleRequest(HttpServletRequest request, HttpServletResponse response) throws Exception {
	ModelAndView result = new ModelAndView();
	result.setViewName(view);

	Map<String, Object> model = new HashMap<>();
	model.put("appConfig", config);
	model.put("server", server);
	model.put("memory", new MemoryInfo());
	result.addAllObjects(model);

	return result;
}
 

/**
 * Return a ModelAndView object with the specified view name.
 * <p>The content of the {@link RequestContextUtils#getInputFlashMap
 * "input" FlashMap} is also added to the model.
 * @see #getViewName()
 */
@Override
protected ModelAndView handleRequestInternal(HttpServletRequest request, HttpServletResponse response)
		throws Exception {

	String viewName = getViewName();

	if (getStatusCode() != null) {
		if (getStatusCode().is3xxRedirection()) {
			request.setAttribute(View.RESPONSE_STATUS_ATTRIBUTE, getStatusCode());
			viewName = (viewName != null && !viewName.startsWith("redirect:") ? "redirect:" + viewName : viewName);
		}
		else {
			response.setStatus(getStatusCode().value());
			if (isStatusOnly() || (getStatusCode().equals(HttpStatus.NO_CONTENT) && getViewName() == null)) {
				return null;
			}
		}
	}

	ModelAndView modelAndView = new ModelAndView();
	modelAndView.addAllObjects(RequestContextUtils.getInputFlashMap(request));

	if (getViewName() != null) {
		modelAndView.setViewName(viewName);
	}
	else {
		modelAndView.setView(getView());
	}

	return (isStatusOnly() ? null : modelAndView);
}
 

@RequestMapping(ERROR_PATH)
public ModelAndView getErrorPath(HttpServletRequest request, HttpServletResponse response) {
    Map<String, Object> model = Collections.unmodifiableMap(getErrorAttributes(request, false));

    Throwable cause = getCause(request);
    int status = (Integer) model.get("status");
    //错误信息
    String message = (String) model.get("message");
    //友好提示
    String errorMessage = getErrorMessage(cause);
    //后台打印日志信息方方便查错
    log.info(message, cause);
    response.setStatus(status);
    if (!isJsonRequest(request)) {
        ModelAndView view = new ModelAndView("/error.html");
        view.addAllObjects(model);
        view.addObject("status", status);
        view.addObject("errorMessage", errorMessage);
        view.addObject("cause", cause);
        return view;
    } else {
        Map error = new HashMap();
        error.put("success", false);
        error.put("errorMessage", getErrorMessage(cause));
        error.put("message", message);
        writeJson(response, error);
        return null;
    }


}
 

@RequestMapping(ERROR_PATH)
public ModelAndView getErrorPath(HttpServletRequest request, HttpServletResponse response) {
	Map<String, Object> model = Collections.unmodifiableMap(getErrorAttributes(
			request, false));
	Throwable cause =getCause(request);
	int status =  (Integer)model.get("status");
	//错误信息
	String message = (String)model.get("message");
	//友好提示
	String errorMessage = getErrorMessage(cause);
	String requestPath = (String)model.get("path");
	
	List<FieldError> filedErrors = this.getFieldError(model, cause);
	
	//后台打印日志信息方方便查错
	log.info(status+":"+message+filedErrors, cause);
	log.info("requestPath"+":"+requestPath);
	
	
	response.setStatus(status);
	if(!isJsonRequest(request)){
		ModelAndView view = new ModelAndView("/error.html");
		view.addAllObjects(model);
		view.addObject("errorMessage", errorMessage);
		view.addObject("filedErrors", filedErrors);
		view.addObject("cause", cause);
		view.addObject("requestPath", requestPath);
		
		return view;
		
	}else{
		if(filedErrors==null){
			if(status==404){
				writeJson(response,JsonResult.http404(requestPath));
			}else{
				writeJson(response,JsonResult.failMessage(getErrorMessage(cause)));
			}
			
		}else{
			
			writeJson(response,JsonResult.fail(this.wrapFieldErrors(filedErrors)));
		}
		
	
		return null;
	}
	
	
}
 

private static ModelAndView layout(String layoutName) {
  ModelAndView modelAndView = new ModelAndView("part-template");
  modelAndView.addAllObjects(ImmutableMap.of("part", ImmutableMap.of("layout", layoutName)));
  return modelAndView;
}