自定义SpringBoot的白标错误页面的操作方法

import org.springframework.boot.web.servlet.error.ErrorController;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
@Controller
public class CustomErrorController implements ErrorController {
    @RequestMapping("/error")
    public String handleError() {
        // 返回自定义的错误视图名称
        return "customError";
    }
    @Override
    public String getErrorPath() {
        return "/error";
    }
}

import org.springframework.boot.web.servlet.error.ErrorAttributes;
import org.springframework.web.context.request.WebRequest;
import org.springframework.web.bind.annotation.RequestMapping;
@Controller
public class CustomErrorController implements ErrorController {
    private final ErrorAttributes errorAttributes;
    public CustomErrorController(ErrorAttributes errorAttributes) {
        this.errorAttributes = errorAttributes;
    }
    @RequestMapping("/error")
    public String handleError(WebRequest webRequest) {
        // 这里可以获取错误细节
        Map<String, Object> errorDetails = errorAttributes.getErrorAttributes(webRequest, true);
        // 然后添加逻辑以返回不同的视图名称或模型属性，取决于错误
        return "customError";
    }
    @Override
    public String getErrorPath() {
        return "/error";
    }
}

import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.ControllerAdvice;
import org.springframework.web.bind.annotation.ExceptionHandler;
@ControllerAdvice
public class CustomExceptionHandler {
    @ExceptionHandler(MyCustomException.class)
    public String handleCustomException(MyCustomException ex, Model model) {
        model.addAttribute("message", ex.getMessage());
        return "customError";
    }
}

server.error.path=/custom-error

server:
  error:
    path: /custom-error