1、修改配置项，打开对Spring MVC端点的保护

spring.cloud.sentinel.filter.enabled=true

2、编写 BlockExceptionHandler的实现类

MyUrlBlockHandler.java

package com.codex.terry.sentinel.urlblockhandler;/*** 文件名称: MyUrlBlockHandler.java* 编写人: yh.zeng* 编写时间: 2024/6/28 13:50* 文件描述: todo*/import com.alibaba.csp.sentinel.adapter.spring.webmvc.callback.BlockExceptionHandler;
import com.alibaba.csp.sentinel.slots.block.BlockException;
import com.alibaba.csp.sentinel.slots.block.authority.AuthorityException;
import com.alibaba.csp.sentinel.slots.block.degrade.DegradeException;
import com.alibaba.csp.sentinel.slots.block.flow.FlowException;
import com.alibaba.csp.sentinel.slots.block.flow.param.ParamFlowException;
import com.alibaba.csp.sentinel.slots.system.SystemBlockException;
import com.fasterxml.jackson.databind.ObjectMapper;
import lombok.AllArgsConstructor;
import lombok.Builder;
import lombok.Data;
import l