<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[m746318539的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/m746318539</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; m746318539]]></copyright><item><title><![CDATA[mysql每半小时/两小时分组统计平均值]]></title><link>https://blog.youkuaiyun.com/m746318539/article/details/106993214</link><guid>https://blog.youkuaiyun.com/m746318539/article/details/106993214</guid><author>m746318539</author><pubDate>Sun, 28 Jun 2020 10:06:32 +0800</pubDate><description><![CDATA[每两小时


SELECT
	ROUND(avg( cod ),2) cod,
	ROUND(avg(a.tds),2) tds,
	ROUND(avg(a.turbidity),2) tur,
	hTime 
FROM
	(
	SELECT
		cod,
		tds,
		turbidity,
		DATE_FORMAT( concat( date( create_time ), ' ', floor( HOUR ( create_time ) / 2 ) * 2 ), '%H' ) AS hTime .]]></description><category></category></item><item><title><![CDATA[获取之前n个小时整点小时时间]]></title><link>https://blog.youkuaiyun.com/m746318539/article/details/99674142</link><guid>https://blog.youkuaiyun.com/m746318539/article/details/99674142</guid><author>m746318539</author><pubDate>Fri, 16 Aug 2019 11:11:07 +0800</pubDate><description><![CDATA[/**
     * 获取上n个小时整点小时时间
     * @param date
     * @return
     */
    public static String getLastHourTime(Date date,int n){
        Calendar ca = Calendar.getInstance();
        ca.set(Calend...]]></description><category></category></item><item><title><![CDATA[@Component]]></title><link>https://blog.youkuaiyun.com/m746318539/article/details/94556279</link><guid>https://blog.youkuaiyun.com/m746318539/article/details/94556279</guid><author>m746318539</author><pubDate>Wed, 03 Jul 2019 13:22:57 +0800</pubDate><description><![CDATA[@Component注解的解析

今天在写程序的时候看见一个以前没有见过的注解（@Component），在网上查找过后，经过实践，决定把它记录下来。

1、@controller 控制器（注入服务）

用于标注控制层，相当于struts中的action层
2、@service 服务（注入dao）

用于标注服务层，主要用来进行业务的逻辑处理
3、@repository（实现dao访问）

用于标...]]></description><category></category></item><item><title><![CDATA[线程中@Autowired无法注入@service的问题浅谈]]></title><link>https://blog.youkuaiyun.com/m746318539/article/details/94448062</link><guid>https://blog.youkuaiyun.com/m746318539/article/details/94448062</guid><author>m746318539</author><pubDate>Tue, 02 Jul 2019 16:04:33 +0800</pubDate><description><![CDATA[今天遇到了一个在线程中自动注入service的问题，service始终都是空的，看了些前辈的解决方法


import org.springframework.beans.BeansException;
import org.springframework.context.ApplicationContext;
import org.springframework.context.Applicat...]]></description><category></category></item><item><title><![CDATA[Last-Modified value for [/event/role/list] is: -1]]></title><link>https://blog.youkuaiyun.com/m746318539/article/details/90476997</link><guid>https://blog.youkuaiyun.com/m746318539/article/details/90476997</guid><author>m746318539</author><pubDate>Thu, 23 May 2019 11:18:07 +0800</pubDate><description><![CDATA[我的项目出现这个问题是因为请求被拦截器拦截了


]]></description><category></category></item></channel></rss>