springboot访问不存在的URL时的处理方法

import org.springframework.boot.web.server.ErrorPage;
import org.springframework.boot.web.server.ErrorPageRegistrar;
import org.springframework.boot.web.server.ErrorPageRegistry;
import org.springframework.context.annotation.Configuration;
import org.springframework.http.HttpStatus;


/**
 * @基本功能:
 * @program:ecconfigcenter
 * @author:Jet
 * @create:2024-11-07 17:29:58
 **/

@Configuration
public class ErrorPageConfig implements ErrorPageRegistrar {

    @Override
    public void registerErrorPages(ErrorPageRegistry registry) {
        // 注册404错误页面
        ErrorPage error404 = new ErrorPage(HttpStatus.NOT_FOUND, "/ec/error/404");
        // 注册500错误页面
        ErrorPage error500 = new ErrorPage(HttpStatus.INTERNAL_SERVER_ERROR, "/ec/error/500");
        // 将错误页面添加到注册表中
        registry.addErrorPages(error404, error500);
    }
}

import cn.com.ec.eccommon.common.BaseController;
import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.ResponseBody;

import java.util.HashMap;
import java.util.Map;


/**
 * @基本功能:
 * @program:ecconfigcenter
 * @author:Jet
 * @create:2024-11-07 17:29:58
 **/


@Slf4j
@RequestMapping("/ec")
@Controller
public class CustomErrorController extends BaseController {

    /**
     * 404处理
     * @return
     */
    @RequestMapping(value = "/error/404",method = RequestMethod.POST)
    @ResponseBody
    public Map<String,Object> handle404() {
        Map<String,Object>result = new HashMap<>();
        result = this.setJson(404,"url is invalid.",null);
        return result;
    }

    /**
     * 500处理
     * @return
     */
    @RequestMapping(value = "/error/500",method = RequestMethod.POST)
    @ResponseBody
    public Map<String,Object> handle500() {
        Map<String,Object>result = new HashMap<>();
        result = this.setJson(500,"Server internal error.",null);
        return result;
    }
}