<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[aizhuo7229的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/aizhuo7229</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; aizhuo7229]]></copyright><item><title><![CDATA[Java爬坑 -- spring boot + RestTemplate]]></title><link>https://blog.youkuaiyun.com/aizhuo7229/article/details/102089898</link><guid>https://blog.youkuaiyun.com/aizhuo7229/article/details/102089898</guid><author>aizhuo7229</author><pubDate>Tue, 10 Jul 2018 18:12:00 +0800</pubDate><description><![CDATA[最近从HTTP跳RestTemplate ,,,----------直接上代码...仅供参考,,,还请各位大神指正

  1 import com.alibaba.fastjson.JSONObject;
  2 import com.chuzihang.model.UserInfo;
  3 import org.apache.commons.lang3.RandomUtil...]]></description><category></category></item><item><title><![CDATA[Java爬坑 -- 判断两个数组是否存在相同元素 (内牛满面)]]></title><link>https://blog.youkuaiyun.com/aizhuo7229/article/details/102089896</link><guid>https://blog.youkuaiyun.com/aizhuo7229/article/details/102089896</guid><author>aizhuo7229</author><pubDate>Fri, 22 Jun 2018 17:12:00 +0800</pubDate><description><![CDATA[问题:判断两个数组是否存在相同元素
今天做一个数组添加操作,,但是要判断数据是否重复,,,头脑第一个想法就是遍历两个数组查询是否有重复,
然后就吧啦吧啦.....一通狂敲,如下:

 1        boolean has = false;
 2        String[] strOne= {"c","b","a","d"};
 3        String[] st...]]></description><category></category></item><item><title><![CDATA[Java爬坑 --  SpringBoot + Swagger2 整合遇到的权限问题]]></title><link>https://blog.youkuaiyun.com/aizhuo7229/article/details/102089905</link><guid>https://blog.youkuaiyun.com/aizhuo7229/article/details/102089905</guid><author>aizhuo7229</author><pubDate>Fri, 15 Jun 2018 11:15:00 +0800</pubDate><description><![CDATA[问题一 : 项目除了登录之外,其他接口都需要认证权限
通过度娘和谷歌发现有两种方式可以解决:
1. 通过给每一个接口配置一个全局的认证参数:

 1 package com.dongsport.configuration;
 2 
 3 import org.springframework.context.annotation.Bean;
 4 import org.spr...]]></description><category></category></item><item><title><![CDATA[Java爬坑 -- mysql将sum统计的NULL默认为0]]></title><link>https://blog.youkuaiyun.com/aizhuo7229/article/details/102089903</link><guid>https://blog.youkuaiyun.com/aizhuo7229/article/details/102089903</guid><author>aizhuo7229</author><pubDate>Fri, 09 Mar 2018 15:11:00 +0800</pubDate><description><![CDATA[问题:今天在做mysqlsum统计的时候,发现没数据的时候结果为NULL,,但这个结果肯定不是我们期望的,,,然后选用了IFNULL函数判断,,,由于长时间没用,,忘记了,,在这里再记录一次



1 select IFNULL(sum(score),0) as sumcore from table



转载于:https://www.cnblogs.com/chuz...]]></description><category></category></item><item><title><![CDATA[Java爬坑 -- 解决redis序列化java8 LocalDateTime错误的问题]]></title><link>https://blog.youkuaiyun.com/aizhuo7229/article/details/102089901</link><guid>https://blog.youkuaiyun.com/aizhuo7229/article/details/102089901</guid><author>aizhuo7229</author><pubDate>Fri, 02 Mar 2018 13:57:00 +0800</pubDate><description><![CDATA[redis序列化选择方式

 1  public CacheManager cacheManager(RedisTemplate redisTemplate) {
 2         //设置序列化Key的实例化对象
 3         redisTemplate.setKeySerializer(new StringRedisSerializer());
 4      ...]]></description><category></category></item><item><title><![CDATA[Java爬坑 --  LocalDateTime与String日期互相转换]]></title><link>https://blog.youkuaiyun.com/aizhuo7229/article/details/102089894</link><guid>https://blog.youkuaiyun.com/aizhuo7229/article/details/102089894</guid><author>aizhuo7229</author><pubDate>Fri, 12 Jan 2018 17:39:00 +0800</pubDate><description><![CDATA[1 public static void main(String[] args) {
2         DateTimeFormatter df = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss");
3         LocalDateTime time = LocalDateTime.now();
4         ...]]></description><category></category></item><item><title><![CDATA[Java爬坑--stringRedisTemplate  分布式锁双重检测]]></title><link>https://blog.youkuaiyun.com/aizhuo7229/article/details/102089899</link><guid>https://blog.youkuaiyun.com/aizhuo7229/article/details/102089899</guid><author>aizhuo7229</author><pubDate>Tue, 09 Jan 2018 11:42:00 +0800</pubDate><description><![CDATA[1.查询缓存，如果缓存存在，返回结果

2.缓存不存在，查询数据库

3.争夺分布式锁

4.成功获得锁，再次判断缓存的存在

5.如果缓存仍旧不存在，把查询数据库的结果循环放入缓存

6.释放分布式锁


 1      public List getCouponList(String key){
 2 
 3         String l...]]></description><category></category></item><item><title><![CDATA[Java爬坑--反射是这样搞的吗]]></title><link>https://blog.youkuaiyun.com/aizhuo7229/article/details/102089891</link><guid>https://blog.youkuaiyun.com/aizhuo7229/article/details/102089891</guid><author>aizhuo7229</author><pubDate>Fri, 29 Dec 2017 09:45:00 +0800</pubDate><description><![CDATA[1 import java.lang.reflect.Method;
 2 
 3 /**
 4  * Created by Q_先森 on 2017/12/12.
 5  */
 6 public class MethodTest {
 7 
 8 
 9     static void staticMethod() {
10         System.ou...]]></description><category></category></item><item><title><![CDATA[Java爬坑--int与Integer的区别，分别什么场合使用]]></title><link>https://blog.youkuaiyun.com/aizhuo7229/article/details/102089897</link><guid>https://blog.youkuaiyun.com/aizhuo7229/article/details/102089897</guid><author>aizhuo7229</author><pubDate>Tue, 12 Dec 2017 09:56:00 +0800</pubDate><description><![CDATA[1、Integer是int提供的封装类，而int是Java的基本数据类型 
2、Integer默认值是null，而int默认值是0； 
3、声明为Integer的变量需要实例化，而声明为int的变量不需要实例化；
 4、Integer是对象，用一个引用指向这个对象，而int是基本类型，直接存储数值。

int是基本数据类型，Integer是包装类，类似HashMap这样的结构...]]></description><category></category></item><item><title><![CDATA[Java爬坑--js代码判断浏览器种类IE、FF、Opera、Safari、chrome及版本]]></title><link>https://blog.youkuaiyun.com/aizhuo7229/article/details/102089889</link><guid>https://blog.youkuaiyun.com/aizhuo7229/article/details/102089889</guid><author>aizhuo7229</author><pubDate>Mon, 11 Dec 2017 14:03:00 +0800</pubDate><description><![CDATA[userAgent 属性是一个只读的字符串，声明了浏览器用于 HTTP 请求的用户代理头的值。
一般来讲，它是在 navigator.appCodeName 的值之后加上斜线和 navigator.appVersion 的值构成的。
例如：Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.2; SV1; .NET CLR 1.1.4322...]]></description><category></category></item><item><title><![CDATA[Java爬坑--集合(二)List]]></title><link>https://blog.youkuaiyun.com/aizhuo7229/article/details/102089904</link><guid>https://blog.youkuaiyun.com/aizhuo7229/article/details/102089904</guid><author>aizhuo7229</author><pubDate>Wed, 06 Dec 2017 15:55:00 +0800</pubDate><description><![CDATA[直接上代码,大家可以互相交流一下.

 1 import java.util.*;
 2 
 3 /**
 4  * Created by Q_先森 on 2017/12/6.
 5  */
 6 public class ListReview {
 7 
 8     public static void main(String[] args) {
 9      ...]]></description><category></category></item><item><title><![CDATA[Java爬坑--集合(一)Collection]]></title><link>https://blog.youkuaiyun.com/aizhuo7229/article/details/102089902</link><guid>https://blog.youkuaiyun.com/aizhuo7229/article/details/102089902</guid><author>aizhuo7229</author><pubDate>Tue, 05 Dec 2017 17:33:00 +0800</pubDate><description><![CDATA[下午测试上线,闲来没事,然后继续我的爬坑之路.



 1 import java.util.ArrayList;
 2 import java.util.Collection;
 3 import java.util.Iterator;
 4 import java.util.Vector;
 5 
 6 /**
 7  * Created by Q_先森 on 2...]]></description><category></category></item><item><title><![CDATA[面试题:f(n) = f(n-1) + f(n-2)  求 f(100)]]></title><link>https://blog.youkuaiyun.com/aizhuo7229/article/details/102089900</link><guid>https://blog.youkuaiyun.com/aizhuo7229/article/details/102089900</guid><author>aizhuo7229</author><pubDate>Thu, 30 Nov 2017 15:06:00 +0800</pubDate><description><![CDATA[问题:F(0)=0，F(1)=1, F(n)=F(n-1)+F(n-2)（n&gt;=2，n∈N*）
看到这个就想起了上学的时光,那个苦啊.
废话不多说,当时看到这个问题我就想到了递归,然后匆匆写了代码如下:

 1 public static int fn(int n) {
 2 
 3         if(n == 1) {
 4             return...]]></description><category></category></item></channel></rss>