<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[LS的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/java13436473196</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; java13436473196]]></copyright><item><title><![CDATA[es初始化]]></title><link>https://blog.youkuaiyun.com/java13436473196/article/details/139316559</link><guid>https://blog.youkuaiyun.com/java13436473196/article/details/139316559</guid><author>java13436473196</author><pubDate>Thu, 30 May 2024 10:18:29 +0800</pubDate><description><![CDATA[【代码】es初始化。]]></description><category></category></item><item><title><![CDATA[读写excel]]></title><link>https://blog.youkuaiyun.com/java13436473196/article/details/139111268</link><guid>https://blog.youkuaiyun.com/java13436473196/article/details/139111268</guid><author>java13436473196</author><pubDate>Wed, 22 May 2024 10:00:05 +0800</pubDate><description><![CDATA[【代码】读写excel。]]></description><category></category></item><item><title><![CDATA[获取当前时间周月年开始结束时间]]></title><link>https://blog.youkuaiyun.com/java13436473196/article/details/138891223</link><guid>https://blog.youkuaiyun.com/java13436473196/article/details/138891223</guid><author>java13436473196</author><pubDate>Wed, 15 May 2024 09:20:36 +0800</pubDate><description><![CDATA[【代码】获取当前时间周年月开始结束时间。]]></description><category></category></item><item><title><![CDATA[利用反射如何动态生成sql]]></title><link>https://blog.youkuaiyun.com/java13436473196/article/details/138838170</link><guid>https://blog.youkuaiyun.com/java13436473196/article/details/138838170</guid><author>java13436473196</author><pubDate>Tue, 14 May 2024 09:58:56 +0800</pubDate><description><![CDATA[一.自定义注解	@UpdateWhere。name：动态sql语句。]]></description><category></category></item><item><title><![CDATA[java判断对象集合Map字符串为空方法]]></title><link>https://blog.youkuaiyun.com/java13436473196/article/details/138837145</link><guid>https://blog.youkuaiyun.com/java13436473196/article/details/138837145</guid><author>java13436473196</author><pubDate>Tue, 14 May 2024 09:16:45 +0800</pubDate><description><![CDATA[CollectionUtils.isEmpty(判断为空对象参数名)ObjectUtils.isEmpty(判断为空对象参数名)StringUtils.isBlank(判断为空对象参数名)一.JSONObject 和Object。二.List和Map。]]></description><category></category></item><item><title><![CDATA[kafka与spring集成]]></title><link>https://blog.youkuaiyun.com/java13436473196/article/details/108347361</link><guid>https://blog.youkuaiyun.com/java13436473196/article/details/108347361</guid><author>java13436473196</author><pubDate>Tue, 01 Sep 2020 17:43:31 +0800</pubDate><description><![CDATA[Spring与kafka集成

注意:
首先启动zookeeper
然后启动kafka
本文档是以主题 test1为前提demo，需要先创建主题
bin/kafka-topics.sh --create --zookeeper 192.168.124.200:2181 --replication-factor 1  --partitions 1 --topic test1
一、maven(pom.xml引jar)

	 &lt;dependency&gt;...]]></description><category></category></item><item><title><![CDATA[ssh框架中   boolean值的前后台传递]]></title><link>https://blog.youkuaiyun.com/java13436473196/article/details/107354602</link><guid>https://blog.youkuaiyun.com/java13436473196/article/details/107354602</guid><author>java13436473196</author><pubDate>Wed, 15 Jul 2020 10:32:45 +0800</pubDate><description><![CDATA[**ssh框架中   boolean值的前后台传递**

前端传递 :    true 或者false
后台接收：private boolean xx;
注意:ssh框架接收参数记得get  set方法。
数据库字段设计：tinyint     0代表false,1代表true。

]]></description><category></category></item><item><title><![CDATA[DDL和DML的定义和区别]]></title><link>https://blog.youkuaiyun.com/java13436473196/article/details/106031732</link><guid>https://blog.youkuaiyun.com/java13436473196/article/details/106031732</guid><author>java13436473196</author><pubDate>Sun, 10 May 2020 08:59:39 +0800</pubDate><description><![CDATA[DDL和DML的定义和区别

DML(Data Manipulation Language)数据操纵语言：

适用范围：对数据库中的数据进行一些简单操作，如insert,delete,update,select等.



DDL(Data Definition Language)数据定义语言：

适用范围：对数据库中的某些对象(例如，database,table)进行管理，如Create,Alter和Drop.

...]]></description><category></category></item><item><title><![CDATA[Hibernate主键生成方式]]></title><link>https://blog.youkuaiyun.com/java13436473196/article/details/105752294</link><guid>https://blog.youkuaiyun.com/java13436473196/article/details/105752294</guid><author>java13436473196</author><pubDate>Sat, 25 Apr 2020 16:45:14 +0800</pubDate><description><![CDATA[Hibernate主键管理

策略生成的位置配置：


&lt;id name="id" type="integer" column="id"&gt;
    &lt;generator class="identity"&gt;&lt;/...]]></description><category></category></item><item><title><![CDATA[strtus中Interceptor和AbstractInterceptor区别]]></title><link>https://blog.youkuaiyun.com/java13436473196/article/details/105724481</link><guid>https://blog.youkuaiyun.com/java13436473196/article/details/105724481</guid><author>java13436473196</author><pubDate>Fri, 24 Apr 2020 10:01:17 +0800</pubDate><description><![CDATA[strtus中Interceptor和AbstractInterceptor区别

Interceptor类



public interfaceInterceptorextendsSerializable {

voiddestroy();



voidinit();



String intercept(A...]]></description><category></category></item><item><title><![CDATA[struts2获得session的方法]]></title><link>https://blog.youkuaiyun.com/java13436473196/article/details/105708893</link><guid>https://blog.youkuaiyun.com/java13436473196/article/details/105708893</guid><author>java13436473196</author><pubDate>Thu, 23 Apr 2020 15:29:27 +0800</pubDate><description><![CDATA[struts2获得session的方法

//第一种方式Map----不推荐使用

//Map&lt;String, Object&gt; session = ActionContext.getC...]]></description><category></category></item><item><title><![CDATA[idea无法创建jsp解决办法]]></title><link>https://blog.youkuaiyun.com/java13436473196/article/details/105481862</link><guid>https://blog.youkuaiyun.com/java13436473196/article/details/105481862</guid><author>java13436473196</author><pubDate>Mon, 13 Apr 2020 09:40:52 +0800</pubDate><description><![CDATA[方法：File-Project Structure


]]></description><category></category></item><item><title><![CDATA[idea无法创建java类的解决方法]]></title><link>https://blog.youkuaiyun.com/java13436473196/article/details/105467330</link><guid>https://blog.youkuaiyun.com/java13436473196/article/details/105467330</guid><author>java13436473196</author><pubDate>Sun, 12 Apr 2020 12:16:13 +0800</pubDate><description><![CDATA[方法：File-Project Structure



按照上述顺序java类即可创建成功。
]]></description><category></category></item><item><title><![CDATA[redis应用场景]]></title><link>https://blog.youkuaiyun.com/java13436473196/article/details/105157522</link><guid>https://blog.youkuaiyun.com/java13436473196/article/details/105157522</guid><author>java13436473196</author><pubDate>Sat, 28 Mar 2020 11:05:28 +0800</pubDate><description><![CDATA[1、缓存功能：字符串最经典的使用场景，redis最为缓存层，Mysql作为储存层，绝大部分请求数据都是redis中获取，由于redis具有支撑高并发特性，所以缓存通常能起到加速读写和降低 后端压力的作用。

2、计数器：许多运用都会使用redis作为计数的基础工具，他可以实现快速计数、查询缓存的功能，同时数据可以一步落地到其他的数据源。如：视频播放数系统就是使用redis作为视频播放数计数的基础组...]]></description><category></category></item><item><title><![CDATA[一个字符串里某个字符出现次数最多]]></title><link>https://blog.youkuaiyun.com/java13436473196/article/details/103440214</link><guid>https://blog.youkuaiyun.com/java13436473196/article/details/103440214</guid><author>java13436473196</author><pubDate>Sat, 07 Dec 2019 22:01:49 +0800</pubDate><description><![CDATA[import java.util.HashMap;
import java.util.Map;
import javax.print.attribute.standard.MediaName;
import org.omg.CORBA.PUBLIC_MEMBER;
/**


@author 作者 :lishuai


@version 创建时间：2019年12月7日 下午9:44:14 类说明
...]]></description><category></category></item><item><title><![CDATA[静态代码块和构造块和构造方法的执行顺序]]></title><link>https://blog.youkuaiyun.com/java13436473196/article/details/103275621</link><guid>https://blog.youkuaiyun.com/java13436473196/article/details/103275621</guid><author>java13436473196</author><pubDate>Wed, 27 Nov 2019 14:48:50 +0800</pubDate><description><![CDATA[静态代码块和构造块和构造方法的执行顺序

单个类的执行顺序：    静态代码块随类加载执行–&gt;构造快–&gt;构造方法
父子类的执行顺序：    父类的静态代码块–&gt;子类的静态代码块–&gt;父类构造块–&gt;父类构造方法–&gt;子类构造块–&gt;子类构造方法
父类：
public class Father {
public static Strin...]]></description><category></category></item><item><title><![CDATA[SpringMVC流程图]]></title><link>https://blog.youkuaiyun.com/java13436473196/article/details/103242829</link><guid>https://blog.youkuaiyun.com/java13436473196/article/details/103242829</guid><author>java13436473196</author><pubDate>Mon, 25 Nov 2019 18:04:04 +0800</pubDate><description><![CDATA[SpringMVC流程图

request----&gt;DispatcherServlet–&gt;HandlerMappind–&gt;Controller–&gt;ModelAndView–&gt;ViewResolver–&gt;Response
入门案例:
web.xml:

&lt;?xml version="1.0" encodin...]]></description><category></category></item><item><title><![CDATA[Eclipse Syntax error, insert "}" to complete Statement]]></title><link>https://blog.youkuaiyun.com/java13436473196/article/details/103127101</link><guid>https://blog.youkuaiyun.com/java13436473196/article/details/103127101</guid><author>java13436473196</author><pubDate>Mon, 18 Nov 2019 18:06:26 +0800</pubDate><description><![CDATA[Eclipse Syntax error, insert "}" to complete Statement

从别处拷贝的代码，有时候会出现这个错误

解决把}之间的空格删掉即可
]]></description><category></category></item><item><title><![CDATA[Integer包装类的讲解自动装箱池]]></title><link>https://blog.youkuaiyun.com/java13436473196/article/details/102819597</link><guid>https://blog.youkuaiyun.com/java13436473196/article/details/102819597</guid><author>java13436473196</author><pubDate>Wed, 30 Oct 2019 15:06:48 +0800</pubDate><description><![CDATA[Integer包装类的讲解自动装箱池

2.1 包装类的由来
在某些特殊场合(集合)中要求所有的数据必须都是对象，而对...]]></description><category></category></item><item><title><![CDATA[win7下安装mysql遇到的服务无法启动mysql]]></title><link>https://blog.youkuaiyun.com/java13436473196/article/details/101523097</link><guid>https://blog.youkuaiyun.com/java13436473196/article/details/101523097</guid><author>java13436473196</author><pubDate>Fri, 27 Sep 2019 11:57:32 +0800</pubDate><description><![CDATA[win7下安装mysql遇到的问题  

注意：D:/kaifa/mysql/mysql57/mysql-5.7.23-winx64
是mysql解压的目录bin的上一级
步骤：1.在bin目录下执行mysqld install
安装mysql    首先在解压目录下创建my.ini文件內容如下：
[mysqld]
port...]]></description><category></category></item></channel></rss>