<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[chenwan2419的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/chenwan2419</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; chenwan2419]]></copyright><item><title><![CDATA[doc元素select 取值]]></title><link>https://blog.youkuaiyun.com/chenwan2419/article/details/100715918</link><guid>https://blog.youkuaiyun.com/chenwan2419/article/details/100715918</guid><author>chenwan2419</author><pubDate>Mon, 25 Sep 2017 17:18:00 +0800</pubDate><description><![CDATA[转载于:https://my.oschina.net/u/2752028/blog/1543015]]></description><category></category></item><item><title><![CDATA[鼠标经过显示问题]]></title><link>https://blog.youkuaiyun.com/chenwan2419/article/details/100715916</link><guid>https://blog.youkuaiyun.com/chenwan2419/article/details/100715916</guid><author>chenwan2419</author><pubDate>Mon, 25 Sep 2017 17:18:00 +0800</pubDate><description><![CDATA[PS:个人意见 
可以设置style样式 
style='cursor: pointer' 
下面是全部鼠标样式default    默认光标（通常是一个箭头）    auto    默认。浏览器设置的光标。    crosshair    光标呈现为十字线。    pointer    光标...]]></description><category></category></item><item><title><![CDATA[判断input checkbox选中状态]]></title><link>https://blog.youkuaiyun.com/chenwan2419/article/details/100715915</link><guid>https://blog.youkuaiyun.com/chenwan2419/article/details/100715915</guid><author>chenwan2419</author><pubDate>Mon, 25 Sep 2017 17:18:00 +0800</pubDate><description><![CDATA[$("#IsAdmin").is(':checked') 判断收否选中 返回true 或者false 

                                                    
转载于:https://my.oschina.net/u/2752028/b...]]></description><category></category></item><item><title><![CDATA[eclipse中myBatis引入]]></title><link>https://blog.youkuaiyun.com/chenwan2419/article/details/100715913</link><guid>https://blog.youkuaiyun.com/chenwan2419/article/details/100715913</guid><author>chenwan2419</author><pubDate>Mon, 25 Sep 2017 17:18:00 +0800</pubDate><description><![CDATA[1、添加config.xml配置文件 
2、定义与数据库的数据实体映射类 
3、创建操作表的是sql映射文件 即：mapper.xml 
4、在配置文件config.xml中注册sql映射文件(步骤三创建的) 
5、编写调用类 
配置懒加载： 
 
 &lt;settings&gt;
   ...]]></description><category></category></item><item><title><![CDATA[获取某个元素对应的取值的问题]]></title><link>https://blog.youkuaiyun.com/chenwan2419/article/details/100715911</link><guid>https://blog.youkuaiyun.com/chenwan2419/article/details/100715911</guid><author>chenwan2419</author><pubDate>Mon, 25 Sep 2017 17:18:00 +0800</pubDate><description><![CDATA[$(“selecter”).val().trim() 
1.通过这个方法，可以去除空格
                                                    
转载于:https://my.oschina.net/u/2752028/blog/1543011...]]></description><category></category></item><item><title><![CDATA[js-ajax实现获取xmlHttp对象]]></title><link>https://blog.youkuaiyun.com/chenwan2419/article/details/100715910</link><guid>https://blog.youkuaiyun.com/chenwan2419/article/details/100715910</guid><author>chenwan2419</author><pubDate>Mon, 25 Sep 2017 17:18:00 +0800</pubDate><description><![CDATA[//获取xmlHttp对象
    function createXMLHttp() {
        var xmlhttp;
        //对于大多数浏览器适用
        if (window.XMLHttpRequest) {
            xmlhttp ...]]></description><category></category></item><item><title><![CDATA[java反射 -Class类]]></title><link>https://blog.youkuaiyun.com/chenwan2419/article/details/100715908</link><guid>https://blog.youkuaiyun.com/chenwan2419/article/details/100715908</guid><author>chenwan2419</author><pubDate>Mon, 25 Sep 2017 17:18:00 +0800</pubDate><description><![CDATA[Class类：任何类都是Class类的对象 
Class类的实例对象的三种表现形式：1、通过某个类的.class实现 2、某个类的对象的getClass（）方法 3、Class.forName（） 
注意：Class.forName也可以实现动态加载类 
类的类型的概念。通过类的类型创建类的实...]]></description><category></category></item><item><title><![CDATA[maven导入多模块项目]]></title><link>https://blog.youkuaiyun.com/chenwan2419/article/details/100715906</link><guid>https://blog.youkuaiyun.com/chenwan2419/article/details/100715906</guid><author>chenwan2419</author><pubDate>Mon, 25 Sep 2017 17:18:00 +0800</pubDate><description><![CDATA[一、SVN上Maven多模块项目结构 
使用eclipse导入SVN上的Maven多模块项目 
Maven多模块项目所在SVN目录 
 
二、eclipse通过SVN导入到工作空间 
工作空间位于F:/HPCWorkspace 
 
2.1 File-&gt;Import,选择从SVN检出项...]]></description><category></category></item><item><title><![CDATA[navicat:cannot create oci environment]]></title><link>https://blog.youkuaiyun.com/chenwan2419/article/details/100715904</link><guid>https://blog.youkuaiyun.com/chenwan2419/article/details/100715904</guid><author>chenwan2419</author><pubDate>Mon, 25 Sep 2017 17:18:00 +0800</pubDate><description><![CDATA[1、请注意红色箭头处的配置是从oracle官网下载的安装包 ，当然百度也是很强大的。（建议是在navicat安装目录下解压） 
 
2.红色方框内的是你本地的oracle数据库的sqlplus.exe启动地址，当然你可以不配置，本人未测是否可以 
3、配置完成后，要重启navicat 
4...]]></description><category></category></item><item><title><![CDATA[java注解实例-反射生成sql]]></title><link>https://blog.youkuaiyun.com/chenwan2419/article/details/100715903</link><guid>https://blog.youkuaiyun.com/chenwan2419/article/details/100715903</guid><author>chenwan2419</author><pubDate>Mon, 25 Sep 2017 17:18:00 +0800</pubDate><description><![CDATA[定义描述用户表的注解： 
 
 package dao;

import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.Rete...]]></description><category></category></item><item><title><![CDATA[css控制占位隐藏]]></title><link>https://blog.youkuaiyun.com/chenwan2419/article/details/100715901</link><guid>https://blog.youkuaiyun.com/chenwan2419/article/details/100715901</guid><author>chenwan2419</author><pubDate>Mon, 25 Sep 2017 17:18:00 +0800</pubDate><description><![CDATA[visibility:hidden; 

                                                    
转载于:https://my.oschina.net/u/2752028/blog/1543005]]></description><category></category></item><item><title><![CDATA[jquery ajax用例样板]]></title><link>https://blog.youkuaiyun.com/chenwan2419/article/details/100715899</link><guid>https://blog.youkuaiyun.com/chenwan2419/article/details/100715899</guid><author>chenwan2419</author><pubDate>Mon, 25 Sep 2017 17:18:00 +0800</pubDate><description><![CDATA[$.ajax({
    url: '${managerPath}/customer/updateOrder.do',
    type: 'POST',

    async: false,

    data: {
        id: date,
    },
    succe...]]></description><category></category></item><item><title><![CDATA[mysql 日期比较]]></title><link>https://blog.youkuaiyun.com/chenwan2419/article/details/100715896</link><guid>https://blog.youkuaiyun.com/chenwan2419/article/details/100715896</guid><author>chenwan2419</author><pubDate>Mon, 25 Sep 2017 17:18:00 +0800</pubDate><description><![CDATA[情景是：距离当前到期时间多少天 
可以考虑当前系统时间加上某个天数后，与数据库的字段作比较 
1.已知的时间&gt;=CURDATE()+10 
2.在数据的查询中，考虑到sql语句的优化问题，应减少通配符的使用 
 
日期函数的介绍： 
DATE_ADD：支持日期的加减 
 
 selec...]]></description><category></category></item><item><title><![CDATA[方法调用中的别名问题]]></title><link>https://blog.youkuaiyun.com/chenwan2419/article/details/100715895</link><guid>https://blog.youkuaiyun.com/chenwan2419/article/details/100715895</guid><author>chenwan2419</author><pubDate>Mon, 25 Sep 2017 17:18:00 +0800</pubDate><description><![CDATA[还是《Java编程思想》上的一个问题：“将一个对象传递给方法时，也会产生别名问题：”以下是示例： 
 
 import static net.mindview.util.Print.*;

    class Letter {
        char c;
    }
    
  ...]]></description><category></category></item><item><title><![CDATA[tomcat中请求参数中文中乱码问题]]></title><link>https://blog.youkuaiyun.com/chenwan2419/article/details/100715894</link><guid>https://blog.youkuaiyun.com/chenwan2419/article/details/100715894</guid><author>chenwan2419</author><pubDate>Mon, 25 Sep 2017 17:18:00 +0800</pubDate><description><![CDATA[在server.xml中配置如下： 
 
 
&lt;Connector connectionTimeout="20000" port="8080" protocol="HTTP/1.1" redirectPort="8443" URIEncoding="UTF-8"/&gt;
      ...]]></description><category></category></item><item><title><![CDATA[Excel--java POi]]></title><link>https://blog.youkuaiyun.com/chenwan2419/article/details/100715892</link><guid>https://blog.youkuaiyun.com/chenwan2419/article/details/100715892</guid><author>chenwan2419</author><pubDate>Mon, 25 Sep 2017 17:18:00 +0800</pubDate><description><![CDATA[import java.io.File;
import java.io.FileOutputStream;

import org.apache.commons.io.FileUtils;
import org.apache.poi.hssf.usermodel.HSSFCell;
im...]]></description><category></category></item><item><title><![CDATA[if函数判断日期在某个时间段]]></title><link>https://blog.youkuaiyun.com/chenwan2419/article/details/100715890</link><guid>https://blog.youkuaiyun.com/chenwan2419/article/details/100715890</guid><author>chenwan2419</author><pubDate>Wed, 31 May 2017 18:05:00 +0800</pubDate><description><![CDATA[SELECT
    IF(DATE_FORMAT(start_time,'%Y-%m-%d')&lt;=DATE_FORMAT(NOW(),'%Y-%m-%d') and DATE_FORMAT(NOW(),'%Y-%m-%d')&lt;=DATE_FORMAT(end_time,'%...]]></description><category></category></item><item><title><![CDATA[oracle常见sql积累]]></title><link>https://blog.youkuaiyun.com/chenwan2419/article/details/100715888</link><guid>https://blog.youkuaiyun.com/chenwan2419/article/details/100715888</guid><author>chenwan2419</author><pubDate>Wed, 31 May 2017 18:05:00 +0800</pubDate><description><![CDATA[select lower('HELLO') from dual;select lpad(100, 5, '*') from dual;select sysdate + 1 / 24 from dual;select last_day(sysdate) from dual;select to_c...]]></description><category></category></item><item><title><![CDATA[页面禁止滚动条]]></title><link>https://blog.youkuaiyun.com/chenwan2419/article/details/100715887</link><guid>https://blog.youkuaiyun.com/chenwan2419/article/details/100715887</guid><author>chenwan2419</author><pubDate>Wed, 31 May 2017 18:05:00 +0800</pubDate><description><![CDATA[&lt;body style="overflow:scroll;overflow-y:hidden"&gt; 禁止纵向滚动条&lt;body style="overflow:scroll;overflow-x:hidden"&gt; 禁止纵向滚动条overflow属性: 检索或设置当对象的内容...]]></description><category></category></item><item><title><![CDATA[mysql中MAX()函数和count()函数的技巧使用]]></title><link>https://blog.youkuaiyun.com/chenwan2419/article/details/100715885</link><guid>https://blog.youkuaiyun.com/chenwan2419/article/details/100715885</guid><author>chenwan2419</author><pubDate>Wed, 31 May 2017 18:05:00 +0800</pubDate><description><![CDATA[1.max()函数 
在考虑提高数据库io的情况下，可以创建索引 ===&gt;create index 索引名称 on 表名(列名); 
2.count()函数 
 
 问题：count(*)与count(某列) 
   
   　　* 包括的是表中的为null数据 
    
 技巧使...]]></description><category></category></item></channel></rss>