java - 随笔分类 - 蜗牛无敌

springboot 自动配置自动监控demo

摘要：1、注解定义 @Target({java.lang.annotation.ElementType.METHOD}) @Retention(RetentionPolicy.RUNTIME) @Documented public @interface Ump { public abstract Stri 阅读全文

posted @ 2023-01-12 18:04 蜗牛无敌阅读(106) 评论(1) 推荐(0)

log4j2.xml

摘要：<?xml version="1.0" encoding="utf-8"?> <configuration> <properties>  <property name="PATTERN">%d{yyyy-MM-dd HH:mm:ss.SSS} |-%-5level [% 阅读全文

posted @ 2023-01-11 14:14 蜗牛无敌阅读(44) 评论(0) 推荐(0)

java aop 打印controller的入参和出参

摘要：package com.sleep.demo.intercepter; import com.alibaba.fastjson.JSONObject; import lombok.extern.slf4j.Slf4j; import org.apache.commons.lang3.ArrayUti 阅读全文

posted @ 2022-12-30 17:13 蜗牛无敌阅读(1024) 评论(0) 推荐(0)

java 读取json文件到对象

摘要：1、新建json文件 [ { "id": 1, "name": "酒水专区", "imageUrl": "7cf/e61b0aec87f07393.png", "previewImageUrl": "/9f8d4360d3a125b5.png" }, { "id": 2, "name": "日用百货阅读全文

posted @ 2022-12-30 14:44 蜗牛无敌阅读(2704) 评论(0) 推荐(0)

springboot HandlerIntercept

摘要：1、新建上下文类工具类 public class ContextHolder { private static final InheritableThreadLocal<RequestContext> REQUEST_CONTEXT_INHERITABLE_THREAD_LOCAL = new In 阅读全文

posted @ 2022-12-30 14:32 蜗牛无敌阅读(61) 评论(0) 推荐(0)

定时300 + 300 随机缓存类

摘要：@Component public class ProductCacheKeyService { private static String PRODUCT_BASE_INFO = "product_info_%s"; //商品信息BIG KEY private Random random = ne 阅读全文

posted @ 2022-12-28 14:34 蜗牛无敌阅读(22) 评论(0) 推荐(0)

zookeeper的安装

摘要：zookeeper的安装1、下载wget --no-check-certificate --no-cookies https://downloads.apache.org/zookeeper/zookeeper-3.8.0/apache-zookeeper-3.8.0-bin.tar.gz2、解压t 阅读全文

posted @ 2022-12-27 21:52 蜗牛无敌阅读(38) 评论(0) 推荐(0)

jdk1.8的安装 linux

摘要：1、下载 wget --no-check-certificate --no-cookies --header "Cookie: oraclelicense=accept-securebackup-cookie" http://download.oracle.com/otn-pub/java/jdk/ 阅读全文

posted @ 2022-12-27 21:28 蜗牛无敌阅读(38) 评论(0) 推荐(0)

springboot 配置类

摘要：@Data @ConfigurationProperties(prefix = "recruitment.config") @Component public class RecruitmentConfigProperty { /** * 完成招募跳转url */ private String co 阅读全文

posted @ 2022-09-23 17:26 蜗牛无敌阅读(31) 评论(0) 推荐(0)

redis distributed lock redis分布式锁试下

摘要：@Resourceprivate DistributedRedisLockTemplate lockTemplate;String distributedKey="lockKey" ; DistributedLockCallback<String> callback = new Distribute 阅读全文

posted @ 2022-09-20 15:50 蜗牛无敌阅读(96) 评论(0) 推荐(0)

restTemplate 使用1

摘要：public String getCode(String jsCode) { try { String url= "http://www.baidu.com" ResponseEntity responseEntity = restTemplate.getForEntity(url, WeChatS 阅读全文

posted @ 2022-09-20 15:37 蜗牛无敌阅读(47) 评论(0) 推荐(0)

restTemplate post使用

摘要：private String generateScheme(GetWechatSchemeReq req, String accessToken) { String path = req.getPath(); String query = req.getQuery(); String url = " 阅读全文

posted @ 2022-09-20 15:33 蜗牛无敌阅读(75) 评论(0) 推荐(0)

随笔分类 - java

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