<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[dll322的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/dll322</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; dll322]]></copyright><item><title><![CDATA[事务的ACID特性及四种隔离级别]]></title><link>https://blog.youkuaiyun.com/dll322/article/details/78283037</link><guid>https://blog.youkuaiyun.com/dll322/article/details/78283037</guid><author>dll322</author><pubDate>Thu, 19 Oct 2017 11:46:56 +0800</pubDate><description><![CDATA[事务就是一组原子性的SQL查询，或者说一个独立的工作单元。如果数据库引擎能够成功地对数据库应用改组查询的全部语句，name就执行该组查询。如果其中任何一条语句因为崩溃或其他原因无法执行，那么所有的语句都不会执行。也就是说，事务内的语句，要么全部执行成功，要么全部执行失败。

银行应用是解释事务必要性的一个经典例子。假设一个银行的数据库有两张表：支票（checking）表和储存（savings）]]></description><category></category></item><item><title><![CDATA[MD5,RSA与springCode的加解密方法]]></title><link>https://blog.youkuaiyun.com/dll322/article/details/77530453</link><guid>https://blog.youkuaiyun.com/dll322/article/details/77530453</guid><author>dll322</author><pubDate>Thu, 24 Aug 2017 15:20:19 +0800</pubDate><description><![CDATA[1：使用MD5加密：
String passwordMD5 = MD5Util.MD5Encode(password, "utf-8");
生成的密文格式有：




字符串
123456



16位 小写

49ba59abbe56e057



16位 大写

49BA59ABBE56E057



32位 小写

e10adc3949ba]]></description><category></category></item><item><title><![CDATA[springMVC框架中跳转页面传提示]]></title><link>https://blog.youkuaiyun.com/dll322/article/details/77530119</link><guid>https://blog.youkuaiyun.com/dll322/article/details/77530119</guid><author>dll322</author><pubDate>Thu, 24 Aug 2017 14:58:11 +0800</pubDate><description><![CDATA[@RequestMapping("getContext")
public String getPayContext(@RequestParam(value = "page", defaultValue = "1") Integer page,
@RequestParam(value = "rows", defaultValue = "10") Integer rows, String from]]></description><category></category></item><item><title><![CDATA[上传下载文件到服务器]]></title><link>https://blog.youkuaiyun.com/dll322/article/details/77529874</link><guid>https://blog.youkuaiyun.com/dll322/article/details/77529874</guid><author>dll322</author><pubDate>Thu, 24 Aug 2017 14:44:45 +0800</pubDate><description><![CDATA[需要用到jar包：ganymed-ssh2-build210.jar


代码如下：
package easytest;
import java.io.IOException;


import org.slf4j.Logger;
import org.slf4j.LoggerFactory;


import ch.ethz.ssh2.Connection;
impor]]></description><category></category></item><item><title><![CDATA[java中代码实现获取IP]]></title><link>https://blog.youkuaiyun.com/dll322/article/details/77329061</link><guid>https://blog.youkuaiyun.com/dll322/article/details/77329061</guid><author>dll322</author><pubDate>Thu, 17 Aug 2017 14:47:16 +0800</pubDate><description><![CDATA[需要 servlet-api.jar 的包
package easytest;


import javax.servlet.http.HttpServletRequest;


public class C {


/***
* 获取客户端的真实ip
* 
* @param request
* @return clientIp 从request域中取出进行判断(代理上]]></description><category></category></item><item><title><![CDATA[使用java代码实现邮件的发送]]></title><link>https://blog.youkuaiyun.com/dll322/article/details/77324985</link><guid>https://blog.youkuaiyun.com/dll322/article/details/77324985</guid><author>dll322</author><pubDate>Thu, 17 Aug 2017 14:02:16 +0800</pubDate><description><![CDATA[package easytest;


import java.io.UnsupportedEncodingException;
import java.util.Properties;


import javax.mail.MessagingException;
import javax.mail.Session;
import javax.mail.internet.Int]]></description><category></category></item><item><title><![CDATA[关于Calendar中Maximum的成员函数]]></title><link>https://blog.youkuaiyun.com/dll322/article/details/76640658</link><guid>https://blog.youkuaiyun.com/dll322/article/details/76640658</guid><author>dll322</author><pubDate>Thu, 03 Aug 2017 17:56:18 +0800</pubDate><description><![CDATA[Calendar中Maximum的成员函数]]></description><category></category></item><item><title><![CDATA[使用日历Calendar+Java获取日期,一周,一个月等带星期]]></title><link>https://blog.youkuaiyun.com/dll322/article/details/76191315</link><guid>https://blog.youkuaiyun.com/dll322/article/details/76191315</guid><author>dll322</author><pubDate>Thu, 27 Jul 2017 14:56:20 +0800</pubDate><description><![CDATA[使用日历Calendar+Java获取日期，一周，一月等]]></description><category></category></item><item><title><![CDATA[使用ECharts实现各种数据统计图（饼图，柱状图，折线图）在javaWeb中的应用]]></title><link>https://blog.youkuaiyun.com/dll322/article/details/76186608</link><guid>https://blog.youkuaiyun.com/dll322/article/details/76186608</guid><author>dll322</author><pubDate>Thu, 27 Jul 2017 13:49:23 +0800</pubDate><description><![CDATA[具体的资源及页面代码在后文可下载
准备工作：要下载ECharts的源文件


第一步：在web端既新建一个jsp页面
第二步：引入ECharts的js




第三步：为ECharts准备一个具备大小（宽高）的容器


第四部：为模块加载器配置echarts的路径，从当前页面链接到echarts.js，定义所需图表路径




第五步：动态加载echarts然后]]></description><category></category></item></channel></rss>