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1.
beans.xml
<?xml version="1.0" encoding="UTF-8" ?>
<beans>
<bean id="u" class="com.bjsxt.impl.UserDAOImpl" />
<bean id="userService" class="com.bjsxt.service.UserService">
<property name="userDAO" ...
- 2011-01-16 14:43
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一般情况有:
第一种:XML文件的改变
第二种:java类变化
(A.新增类 B.类方法增减 C.方法参数个数改变 D.类型与返回类型的改变)
知道这些可以在有些时候明白为什么修改了代码但结果没有变化。
- 2011-01-13 14:57
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这个分页的存储过程是转自互联网:
http://kingmxj.javaeye.com/blog/438267
create or replace package package_page as type cursor_page is ref cursor; Procedure proc_page( p_tablename varchar2, --表名emp e p_tablecolumn varchar2, --查询列e.id,e.ename,e.job p_order varchar2, --排序e.ename desc p_pagesize Number, --每页 ...
- 2010-12-05 16:19
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package test;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.Reader;
import java.sql.Clob;
import java.sql.Connection;
import java.sql.Dr ...
- 2010-11-03 12:21
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/**
* A)当用户调用pool = ConnectionPool.getInstance(username,password)方法时<br>
* 执行构造方法--> 调用init()方法(1.读取配置文件中的driverClassName,url并设置, <br>
* 2.创建Vector容器<br>
* 3.addConn():通过driverClassName,url,username,password 向容器中添加Conn ...
- 2010-10-31 16:46
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1.将文件tom-cat-users.xml最后的注释去掉(否则会弹出输入用户名密码框):
<tomcat-users>
......
<role rolename="tomcat"/>
<role rolename="role1"/>
<user username="tomcat" password="tomcat" roles="tomcat"/>
<user username="both" passw ...
- 2010-10-27 11:56
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文件名:
They don't care about us.txt
[00:47.43]Situation, Aggravation, Everybody, Allegation
[00:50.06]In the suite, On the news Everybody dog food Bang bang
[00:53.61]Shock dead, Everybody's Gone mad
[00:55.58]All I wanna say is that they don't really care about us
[01:00.87]All I wanna say is th ...
- 2010-08-02 21:50
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import java.util.*;
public class EmployeeTest2
{
public static void main(String[] args)
{
Employee e = new Employee();
Date d = e.getHireDay();//e.hireDay和d引用同一个对象。
//由于指向同一个引用,所以e.getHirDay()访问器
//与修改后的Date d 指向同一个引用,而不是当前时间
d.setTime(d.getTime()+1000000000);
System.out.p ...
- 2010-07-04 00:56
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class HelloWorld{
public static void main(String[] args){
HelloWorld hw = new HelloWorld();
hw.printError();
}
void printError(){
Variable v = new Variable();
v.d = 123.0;//否则,破坏这个域值的捣乱者可能会出没在任何地方。
v.var();
}
}
class Variable{
public double d = 0;//请不要将成员变量定义成public
...
- 2010-07-04 00:03
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class test
{
final int i;//在构造对象之后 必须 已对常量初始化,
//最好在定义时初始化常量 final int i = 0;
//当对类使用final时,表示对象的引用不可变
//final String name; 不可变类
//final Date d; 可变类时表示对象的引用不可变
public static void main(String[] args)
{
test t = new test(123);
test tt = new test(12);//此处创建了两个对象所以产生两个j
}
pu ...
- 2010-07-03 23:30
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class
{
publicActionForwardindex(ActionMappingmapping,ActionFormform,
HttpServletRequestrequest,HttpServletResponseresponse){
Cookie[]cookies=request.getCookies();
if(null==request.getSession().getAttribute("userMsg")){
if(cookies!=null){
booleancookie=false;
Stringu ...
- 2008-09-29 10:34
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一般情况下 js中得到background的image属性是:
document.getElementById("").backgroundImage;
但是:repeat 确不一样
document.getElementById("").background.repeat;
- 2008-09-24 10:52
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/**
*向前后推算时间正负都可以
*@paramdays
*@return
*/
publicstaticStringtimeUtil(intdays){
SimpleDateFormatsd=newSimpleDateFormat("yyyy-MM-dd");
Calendarcalendar=Calendar.getInstance();
inti=calendar.get(Calendar.DAY_OF_YEAR);
i=i+days;
calendar.set(Calendar.DAY_OF_YEAR,i);
ret ...
- 2008-09-18 16:46
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<%
Stringstr="<ahref='#'>这是链接</a>Lkfd<fontcolor=/"red/"><h1>字体是红色</hr></font>";
request.setAttribute("str",str);
%>
<bean:writename="str"filter="true"/><br>
<bean:writename=" ...
- 2008-09-14 23:55
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<%
HashMaphm=newHashMap();
hm.put(1,"aa");
hm.put(2,"bb");
hm.put(3,"cc");
hm.put(4,"dd");
request.setAttribute("hm",hm);
%>
<logic:notEmptyname="hm">
<logic:iterateid="li"name="hm&quo ...
- 2008-09-14 23:40
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