<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[杂谈碎记]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/Hello_World__0</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; Hello_World__0]]></copyright><item><title><![CDATA[基于mybatis实现批量插入]]></title><link>https://blog.youkuaiyun.com/Hello_World__0/article/details/127277902</link><guid>https://blog.youkuaiyun.com/Hello_World__0/article/details/127277902</guid><author>Hello_World__0</author><pubDate>Wed, 12 Oct 2022 10:36:21 +0800</pubDate><description><![CDATA[基于mybatis实现批量插入]]></description><category></category></item><item><title><![CDATA[ubuntu防火墙常用命令]]></title><link>https://blog.youkuaiyun.com/Hello_World__0/article/details/126598332</link><guid>https://blog.youkuaiyun.com/Hello_World__0/article/details/126598332</guid><author>Hello_World__0</author><pubDate>Tue, 30 Aug 2022 10:18:32 +0800</pubDate><description><![CDATA[ubuntu防火墙常用命令]]></description><category></category></item><item><title><![CDATA[centos 6.5磁盘挂载]]></title><link>https://blog.youkuaiyun.com/Hello_World__0/article/details/120569897</link><guid>https://blog.youkuaiyun.com/Hello_World__0/article/details/120569897</guid><author>Hello_World__0</author><pubDate>Thu, 30 Sep 2021 17:24:33 +0800</pubDate><description><![CDATA[参考地址：centos 6.5磁盘挂载_sinat_30351519的博客-优快云博客

 备注：此教程为centos 6.5的教程，centos 7 是否支持有待验证

 

 1.df -h 查看linux服务器的文件系统的磁盘空间占用情况

 ​ 

 2.fdisk -l 查看系统上的硬盘。Disk开头的为一个硬盘

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 3. 分配磁盘，命令：fdisk /dev/sdb

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 4. 查看帮助：m

 ​

 5. 添加分区：n

 ​ 

 6. 新增分区：p

 ​ 

 ..]]></description><category></category></item><item><title><![CDATA[考试系统，倒计时代码]]></title><link>https://blog.youkuaiyun.com/Hello_World__0/article/details/81292878</link><guid>https://blog.youkuaiyun.com/Hello_World__0/article/details/81292878</guid><author>Hello_World__0</author><pubDate>Mon, 30 Jul 2018 21:54:54 +0800</pubDate><description><![CDATA[原文出处：https://blog.youkuaiyun.com/A13432421434/article/details/71346153

本篇是在原文基础上进行了修改并加以模拟。使用了Struts2框架，jQuery框架。

action类：
    
    public String countDown() throws Exception{

                Calendar st...]]></description><category></category></item><item><title><![CDATA[配置jdbc数据库连接文件（db.properties）]]></title><link>https://blog.youkuaiyun.com/Hello_World__0/article/details/81174644</link><guid>https://blog.youkuaiyun.com/Hello_World__0/article/details/81174644</guid><author>Hello_World__0</author><pubDate>Mon, 23 Jul 2018 21:00:29 +0800</pubDate><description><![CDATA[/**

 *propertie文件编写（键值对）

 *

 */

driver=com.mysql.jdbc.Driver

URL=jdbc\:mysql\://localhost\:3306/menu

user=root

password=123456

/**

 *工具类调用properties文件，配置数据库的连接

 *

 */

public  class JDBC_Ut...]]></description><category></category></item><item><title><![CDATA[EL表达式获取Map中的value值]]></title><link>https://blog.youkuaiyun.com/Hello_World__0/article/details/81097357</link><guid>https://blog.youkuaiyun.com/Hello_World__0/article/details/81097357</guid><author>Hello_World__0</author><pubDate>Wed, 18 Jul 2018 14:18:57 +0800</pubDate><description><![CDATA[&amp;lt;c:forEach items=&quot;${map}&quot; var=&quot;map&quot;&amp;gt;
        &amp;lt;p&amp;gt;${map[ 'name' ]}&amp;lt;/p&amp;gt;
 &amp;lt;/c:forEach&amp;gt;

注意：中括号里的单引号。必须使用单引号。

（java初学者，本博客只为记录java学习中的点点总结，非教程资料）...]]></description><category></category></item><item><title><![CDATA[判断 input type=file上传文件是否为空]]></title><link>https://blog.youkuaiyun.com/Hello_World__0/article/details/80867315</link><guid>https://blog.youkuaiyun.com/Hello_World__0/article/details/80867315</guid><author>Hello_World__0</author><pubDate>Sat, 30 Jun 2018 15:55:47 +0800</pubDate><description><![CDATA[前题：作者本人还未学习任何框架。目的：在servlet里判断前端input标签上传的数据是否为空。                        //1.获取上传组件			SmartUpload upload=new SmartUpload();			//2.初始化组件			upload.initialize(getServletConfig(), request, response);			//...]]></description><category></category></item><item><title><![CDATA[Tomcat：修改图片存放路径。]]></title><link>https://blog.youkuaiyun.com/Hello_World__0/article/details/80866071</link><guid>https://blog.youkuaiyun.com/Hello_World__0/article/details/80866071</guid><author>Hello_World__0</author><pubDate>Sat, 30 Jun 2018 13:54:14 +0800</pubDate><description><![CDATA[目的：       解决每次加载工程覆盖原文件，导致默认图片存放位置被删除，图片失去路径。修改文件：\Tomcat\conf\server.xml修改内容：         代码：&amp;lt;Contextpath=&quot;/images&quot; docBase=&quot;D:\System\Java\Apache SoftwareFoundation\Tomcat\images&quot; reloadable=&quot;true&quot; /...]]></description><category></category></item></channel></rss>