https://blog.youkuaiyun.com/wangyun_javazh-cnhttps://blog.youkuaiyun.com/https://blog.youkuaiyun.com/wangyun_java/article/details/6733213https://blog.youkuaiyun.com/wangyun_java/article/details/6733213wangyun_javaTue, 30 Aug 2011 17:22:19 +0800https://blog.youkuaiyun.com/wangyun_java/article/details/6669488https://blog.youkuaiyun.com/wangyun_java/article/details/6669488wangyun_javaMon, 08 Aug 2011 15:38:01 +0800https://blog.youkuaiyun.com/wangyun_java/article/details/6544770https://blog.youkuaiyun.com/wangyun_java/article/details/6544770wangyun_javaTue, 14 Jun 2011 21:26:00 +0800https://blog.youkuaiyun.com/wangyun_java/article/details/6527662https://blog.youkuaiyun.com/wangyun_java/article/details/6527662wangyun_javaMon, 06 Jun 2011 10:15:00 +0800https://blog.youkuaiyun.com/wangyun_java/article/details/6427606https://blog.youkuaiyun.com/wangyun_java/article/details/6427606wangyun_javaTue, 17 May 2011 18:56:00 +0800今天出现了这个问题，Eclipse Ctrl+Shift+T 失效了，试图重启几次之后无效。
查阅eclipse新闻组消息后，Window-->Customize Perspective，弹出的窗口里，commands里，找到Java Navigate
发现被勾掉了，重新勾选，一切正常。]]>https://blog.youkuaiyun.com/wangyun_java/article/details/6420081https://blog.youkuaiyun.com/wangyun_java/article/details/6420081wangyun_javaSat, 14 May 2011 17:47:00 +0800代码例子：
设置编译的类库和表格文件存放目录：
JRProperties.setProperty(JRProperties.COMPILER_CLASSPATH, context.getRealPath("/WEB-INF/lib/jasperreports-1.2.0.jar")
???+ System.getProperty("path.separator")
???+ context.getRealPath("/WEB-INF/classes/"))]]>https://blog.youkuaiyun.com/wangyun_java/article/details/6419266https://blog.youkuaiyun.com/wangyun_java/article/details/6419266wangyun_javaSat, 14 May 2011 09:55:00 +0800 public static void main(String[] args)throws Exception{
   
  String jasperFile=JasperCompileManager.compileReportToFile(fileName);    //可以把报表Jrxml文件编译成jasper文件，返回jasper对应的文件路径
     System.out.println(jasperFile); //返回jasper文件的路径
https://blog.youkuaiyun.com/wangyun_java/article/details/6419245https://blog.youkuaiyun.com/wangyun_java/article/details/6419245wangyun_javaSat, 14 May 2011 09:42:00 +0800JasperReport
2.1      简介
JasperReport 是产生报表的核心部分，首先要先有个xml文件，然后根据jasperreports.dtd编译成jasper文件（以.jasper结尾）,我们真正 要使用的是编译以后的.jasper文件。xml文件的内容包括对报表样式的定义，数据来源，参数等等，它可以支持的输出格 式：PDF,HTML,XML,XLS,CVS等。
 
在没有iReport之前，需要花费大量的时间去熟悉Jasper]]>https://blog.youkuaiyun.com/wangyun_java/article/details/6412867https://blog.youkuaiyun.com/wangyun_java/article/details/6412867wangyun_javaWed, 11 May 2011 20:04:00 +0800一、概述
第一次看到BeanUtils包，是在Struts项目中，作为Struts一个工具来使用的，
估计功能越弄越强，就移到Common项目中了吧。

BeanUtils一共有四个package:
org.apache.commons.beanutils
org.apache.commons.beanutils.converters
org.apache.commons.beanutils.locale
https://blog.youkuaiyun.com/wangyun_java/article/details/6404049https://blog.youkuaiyun.com/wangyun_java/article/details/6404049wangyun_javaSun, 08 May 2011 20:41:00 +0800分页存储过程：
Create or replace procedure fenye  (tablename in varchar2,
Pagesize int number,t_cursor testPackage.test_cursor,
Pagenow in number,rowscount out number
) is
V_sql varchar2(1000);
V_begin number :=(pagenow-1)*page]]>https://blog.youkuaiyun.com/wangyun_java/article/details/6400913https://blog.youkuaiyun.com/wangyun_java/article/details/6400913wangyun_javaFri, 06 May 2011 21:45:00 +0800select * from  (select a1.*,rownum rn from (select * from 表) 表别名 where rownum <上限) where rn>= 下线
 
select * from employe  where employeid in (select employeid from (select employeid,rownum rn from (select employeid from employe) where rownu]]>https://blog.youkuaiyun.com/wangyun_java/article/details/6285378https://blog.youkuaiyun.com/wangyun_java/article/details/6285378wangyun_javaTue, 29 Mar 2011 10:18:00 +0800sqlmap的配置文件：

    PUBLIC "-//ibatis.apache.org//DTD SQL Map 2.0//EN"     
    "http://ibatis.apache.org/dtd/sql-map-2.dtd">

https://blog.youkuaiyun.com/wangyun_java/article/details/6285366https://blog.youkuaiyun.com/wangyun_java/article/details/6285366wangyun_javaTue, 29 Mar 2011 10:14:00 +0800oracle主键需预先生成，通过sequence；mysql和mssql是插入后生成。
oracle主键需预先生成，通过sequence；mysql和mssql是插入后生成。
mysql:
 
    insert into stu(name)  values (#name#) 
    https://blog.youkuaiyun.com/wangyun_java/article/details/6282644https://blog.youkuaiyun.com/wangyun_java/article/details/6282644wangyun_javaMon, 28 Mar 2011 08:28:00 +0800applicationContext配置文件：

 xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:context="http://www.springframework.org/schema/conte]]>https://blog.youkuaiyun.com/wangyun_java/article/details/6281173https://blog.youkuaiyun.com/wangyun_java/article/details/6281173wangyun_javaSun, 27 Mar 2011 10:39:00 +0800sqlxml配置：
?xml version="1.0" encoding="UTF-8" ?>
    PUBLIC "-//ibatis.apache.org//DTD SQL Map 2.0//EN"     
    "http://ibatis.apache.org/dtd/sql-map-2.dtd">

https://blog.youkuaiyun.com/wangyun_java/article/details/6281053https://blog.youkuaiyun.com/wangyun_java/article/details/6281053wangyun_javaSun, 27 Mar 2011 08:39:00 +0800  SELECT * FROM USER_ACCOUNT order by USERID   parameterClass="string">  SELECT * FROM USER_ACCOUNT WHERE GROUPNAME=#groupName#]]>https://blog.youkuaiyun.com/wangyun_java/article/details/6281052https://blog.youkuaiyun.com/wangyun_java/article/details/6281052wangyun_javaSun, 27 Mar 2011 08:36:00 +0800properties:
JDBC.Driver=com.mysql.jdbc.Driver
JDBC.ConnectionURL=jdbc:mysql://localhost/test?useUnicode=true&characterEncoding=utf-8
JDBC.Username=root
JDBC.Password=123456
 
SqlMapConfig.xml
 
https://blog.youkuaiyun.com/wangyun_java/article/details/6263663https://blog.youkuaiyun.com/wangyun_java/article/details/6263663wangyun_javaSun, 20 Mar 2011 23:22:00 +0800import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Timer;
import java.util.TimerTask;
/**
 *
 */
/**
 * @author Administrator
 *
 */
https://blog.youkuaiyun.com/wangyun_java/article/details/6261000https://blog.youkuaiyun.com/wangyun_java/article/details/6261000wangyun_javaSat, 19 Mar 2011 13:57:00 +0800JDK的配置是一个很基础的问题，虽然现在都是直接安装JDK，但是还是应该了解这些配置的，并且养成安装完JDK后，立即添加这些配置的好习惯。完成配置的步骤如下（操作系统XP，既然能够使用Java，操作系统应该不是问题）：
      1、“我的电脑”——〉“属性”，“高级”——“环境变量”。环境变量包含了两个用户变量和系统变量。建议配置在系统变量，这样对于多用户操作系统，切换用户也不会影响使用。
      2、假设我的JDK的安装目录为：E:/j2sdk1.4.2_12，需要]]>https://blog.youkuaiyun.com/wangyun_java/article/details/6260462https://blog.youkuaiyun.com/wangyun_java/article/details/6260462wangyun_javaSat, 19 Mar 2011 09:08:00 +0800