eatj.com提供免费jspI间
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public class ClockTime
{ public static long MSEL_PER_SECOND = 1000;
public static long MSEL_PER_MINUTE = 60 * 1000;
public static long MSEL_PER_HOUR = 60 * MSEL_PER_MINUTE;
public static long MSEL_PER_DAY = 24 * MSEL_PER_HOUR;
public static long MSEL_PER_YEAR = MSEL_PER_DAY * 365;
private long hour;
private long minute;
private long second;
private long msel;
public ClockTime()
{ }
public void update(long currentMsel, long diff)
{ long residualDayMsel = (currentMsel + diff) % MSEL_PER_DAY;
// System.out.println(residualDayMsel);
long hourNum = residualDayMsel / MSEL_PER_HOUR;
hour = hourNum;
long residualHourMsel = currentMsel % MSEL_PER_HOUR;
long minuteNum = residualHourMsel / MSEL_PER_MINUTE;
minute = minuteNum;
long residualMinMsel = currentMsel % MSEL_PER_MINUTE;
long secondNum = residualMinMsel / MSEL_PER_SECOND;
second = secondNum;
long residualSecMsel = currentMsel % MSEL_PER_SECOND;
msel = residualSecMsel; // System.out.println(hour + " hour " + minute + " minute " + second // + " second");
}
public long getHour()
{ return hour; }
public long getMinute()
{ return minute; }
public long getSecond()
{ return second; }
public long getMsel() { return msel; }
}
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import java.io.IOException;
import java.io.OutputStream;
import javax.microedition.io.Connector;
import javax.microedition.io.file.FileConnection;
import javax.microedition.lcdui.Alert;
import javax.microedition.lcdui.Canvas;
import javax.microedition.lcdui.Command;
import javax.microedition.lcdui.CommandListener
]]>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Frameset//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-frameset.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>无标题文?lt;/title>
</head>
<frameset rows="*" cols="*,145" framespacing="4" frameborder="yes" border="4" bordercolor="#3333FF">
<frameset rows="*,100" cols="*" framespacing="4" frameborder="yes" border="4" bordercolor="#3333FF">
<frame src="chatHall.jsp" name="mainFrame" id="mainFrame" title="mainFrame" />
<frame src="login.jsp" name="bottomFrame" scrolling="No" noresize="noresize" id="bottomFrame" title="bottomFrame" />
</frameset>
<frame src="chatList.jsp" name="rightFrame" scrolling="No" noresize="noresize" id="rightFrame" title="rightFrame" />
</frameset>
<noframes><body>
</body>
</noframes></html>
login.jsp
<%@ page contentType="text/html;charset=GBK" %>
<html><style type="text/css">
<!--
body {
background-image: url();
background-color: #CCCC66;
margin-top: 0px;
}
-->
</style><body>
<form action="judge.jsp" method=post>
<img src="Bear.bmp" width="82" height="77"> 姓名Q?br />
<input type="text" name="name">
<input type="submit" name="submit" value="提交">
<br>
</form>
</body></html>
judge.jsp
<%@ page contentType="text/html;charset=GBK" %>
<html><body><center>
<%
String str = request.getParameter("name");
if(str.length() == 0)
response.sendRedirect("login.jsp");
else{
response.sendRedirect("input.jsp");
session.setAttribute("name",str);
}
%>
</body></html>
]]>
<%@ page contentType="text/html;Charset=GBK" %>
<html><body><center>
<form action="conduct.jsp" method=post>
<% String username = (String)session.getAttribute("name");
%>
用户Q?lt;%= username %>
<textarea name="message" cols=50 rows=4>
</textarea>
<input type="submit" name="submit" value="发?>
<br>
<%
session.setAttribute("name",username);
%>
<form>
</body></html>
conduct.jsp
<%@ page contentType="text/html;Charset=GBK" %>
<%@ page import="java.util.*" %>
<html><body><center>
<%!
Vector v = new Vector();
ServletContext application;
synchronized void sendMessage(String message){
application = getServletContext();
application.setAttribute("mess",v);
}
%>
<%String username = (String)session.getAttribute("name");
String message1 = request.getParameter("message");
String message = username+" : "+"<br>"+message1;
v.add(message);
sendMessage(message);
response.sendRedirect("input.jsp");
%>
<%--response.sendRedirect("chatHall.jsp");--%>
</body></html>
charHall.jsp
<%@ page contentType="text/html;Charset=GBK" %>
<%@ page import="java.util.*" %>
<html>
<meta http-equiv="refresh" content="1" url=chatHall.jsp">
<body>
<%String username = (String)session.getAttribute("name");
Vector v = (Vector)application.getAttribute("mess");
int i = v.size()-1;
while(i>0){
String message = (String)v.elementAt(i);
out.print(message+"<br>"+"<hr >"+"<br>");
i--;
}
%>
</body></html>
chatlist.jsp
<%@ page contentType="text/html;charset=GBK" %>
<html><body><center>
<form action="">
</form>
</body></html>
]]>
import java.awt.event.*;
class Test{
public static void main(String [] args){
Frame f=new Frame("变换");
CardLayout c1=new CardLayout();
f.setLayout(c1);
Button b []=new Button[4];
for(int i=0;i<4;i++){
b[i]=new Button("W?+i+"?);
f.add(b[i],"page"+i);
}
b[0].setBackground(Color.red);
b[1].setBackground(Color.blue);
b[2].setBackground(Color.cyan);
b[3].setBackground(Color.green);
f.pack();
f.setVisible(true);
while(true){
try{
Thread.sleep(50);
}
catch (InterruptedException e){
e.printStackTrace();
}
c1.next(f);
}
}
}
]]>
{
int size;
int num;
int data[];
//甌I间Q如果用戯入的I间大小于{于0Q则默认使用I间100
public Linear(int n)
{
if(n <= 0)
size = 100;
else
size = n;
data = new int[size];
num = 0;
}
//遍历所有的数据Qƈ输出
public void Visit()
{
if(num == 0)
{
System.out.println("Visit:The array is empty!");
return;
}
for(int i = 0; i < num; i++)
System.out.print(data[i]+"\t");
System.out.println();
}
//插入一个数?br />
public void Insert(int pos,int x)
{
if(pos < 0 || pos > num)
{
System.out.println("Insert:The position is error!");
return;
}
if(num == size)
{
System.out.println("Insert:The array is full!");
return;
}
for(int i = num - 1; i >= pos; i--)
{
data[i+1] = data[i];
}
data[pos] = x;
num ++;
}
//删除一个数?br />
public void Delete(int pos)
{
if(pos < 0 || pos > (num - 1))
{
System.out.println("Delete:The position is error!");
return;
}
if(num == 0)
{
System.out.println("Delete:The array is empty!");
return;
}
for(int i = pos; i < (num - 1); i++)
data[i] = data[i+1];
num -- ;
}
//选择排序?从小到大排列
public void SelectSort()
{
int k = 0,p = 0,t = 0;
for(int i = 0; i < num -1; i++)
{
t = data[i];
k = i;
p = i;
for(int j = i + 1; j < num; j++)
if(t > data[j])
{
t = data[j];
p = j;
}
if(k != p)
{
int temp = data[k];
data[k] = data[p];
data[p] = temp;
}
}
}
//插入排序法，从小到大
public void InserSort()
{
int i = 0,j = 0;
for(i = 0; i < num; i++)
{
int t = data[i];
for(j = i - 1; j >= 0; j --)
{
if(t < data[j])
data[j+1] = data[j];
else
break;
}
data[j+1] = t;
}
}
//冒排序
public void BubbleSort()
{
int t = 0;
for(int i = 0; i < num -1; i++)
for(int j = i+1; j < num; j++)
if(data[i] > data[j])
{
t = data[i];
data[i] = data[j];
data[j] = t;
}
}
//快速排序，因ؓ要用递归Q因此必d义一个额外的快排Ҏ
private void qsort(int low,int high)
{
int i = 0, j = 0 ,t = 0;
if(low < high)
{
i = low;
j = high;
t = data[low];
while(i < j)
{
while((i < j) && (data[j] > t)) j--;
if(i < j)
data[i++] = data[j];
while((i < j) && (data[i] <= t)) i++;
if( i < j)
data[j--] = data[i];
}
data[i] = t;
qsort(low,j - 1);
qsort(j + 1,high);
}
}
public void QuickSort()
{
qsort(0,num - 1);
}
}
class Program
{
public static void main(String arg[])
{
//使用LinearUŞl构
Linear line = new Linear(5);
//初始化若q数?x?条数?/p>
line.Insert(0,3);
line.Insert(1,7);
line.Insert(2,2);
line.Insert(3,5);
line.Insert(4,3);
//line.SelectSort();
//line.InserSort();
//line.BubbleSort();
line.QuickSort();
line.Visit();
}
}
]]>
register.htm
<html>
<body>
<font size=20>
<center>
<form action="/test/register" method="post">
用户名：<input type="text" name="name"><br>
q?nbsp; 龄：<input type="text" name="age"><br>
?nbsp; 址Q?lt;input type="text" name="address"><br>
<input type="submit" value=" ?nbsp; ?">
</form>
</center>
</body>
</html>
web.xml
<?xml version="1.0" encoding="ISO-8859-1"?>
<web-app>
<servlet>
<servlet-name>aa</servlet-name>
<servlet-class>com.servelet.RegisterServlet</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>aa</servlet-name>
<url-pattern>/register</url-pattern>
</servlet-mapping>
</web-app>
package com.db;
import java.sql.*;
public class DatabaseConnection{
public static Connection getCon(){
Connection con=null;
try{
Class.forName("com.mysql.jdbc.Driver");
con=DriverManager.getConnection("jdbc:mysql://localhost:3306/oa","root","yu");
}catch(Exception e){e.printStackTrace();}
return con;
}
}
RegisterServlet.java
package com.servelet;
import javax.servlet.*;
import javax.servlet.http.*;
import com.db.*;
import java.sql.*;
import java.io.*;
public class RegisterServlet extends HttpServlet{
/*doPost()Called by the server (via the service method) to allow a servlet to handle a POST request.*/
public void doPost(HttpServletRequest request,HttpServletResponse response) throws ServletException,IOException{
response.setCharacterEncoding("gbk");/*指定Ҏ务器响应q行重新~码的编码?/
String name=request.getParameter("name");
name=new String(name.getBytes("iso-8859-1"),"gbk");
String age=request.getParameter("age");
String address=request.getParameter("address");
address=new String(address.getBytes("iso-8859-1"),"gbk");
Connection con;
Statement stmt;
String sql="";
try{
con =DatabaseConnection.getCon();
stmt = con.createStatement();//获取~译语句
sql="insert into person(name,age,address)values('"+name+
"','"+age+"','"+address+"')";
stmt.executeUpdate(sql);/*在此 PreparedStatement 对象中执?SQL 语句Q该语句必须是一?SQL INSERT、UPDATE ?DELETE 语句*/
response.sendRedirect("/test/register.htm");
con.close();
}catch(Exception e){e.printStackTrace();}//此 throwable 及其q踪输出x准错误流
}
/*dopost()便已处理ҎQ用doGetQ）Ҏ调用dopost()*/
public void doGet(HttpServletRequest request,HttpServletResponse response) throws ServletException,IOException{
doPost(request,response);
}
}
]]>
import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;
public class HelloBeijing extends HttpServlet
{ public void init (ServletConfig config) throws ServletException
{ super.init(config); /*创徏一个servlet对象configQconfigq调用initQ）Ҏ初始?/
}
public void service (HttpServletRequest request,HttpServletResponse response)throws IOException
{response.setContentType("text/html;charset=gbk");//讄相应的mikecd
PrintWriter out=response.getWriter();//获取一个想客户发送数据的输出?br /> out.println("<html><body>");
out.println("<h2>北京奥运圆满成功!</h2>");
out.println("</body></html>");
}
}
web.xml
<?xml version="1.0" encoding="ISO-8859-1"?>
<web-app>
<servlet>
<servlet-name>hello </servlet-name>
<servlet-class>com.HelloBeijing</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>hello </servlet-name>
<url-pattern>/lookHello</url-pattern>
</servlet-mapping>
</web-app>
]]>
ball.java
package com;
public class Ball{
private String color;
private float price;
private float weight;
private String factory;/*刉商*/
public void setColor(String c){
this.color=c;
}
public String getColor(){
return this.color;
}
public void setPrice(float p){
this.price = p;
}
public float getPrice(){
return this.price;
}
public void setWeight(float w){
this.weight=w;
}
public float getWeight(){
return this.weight;
}
public void setFactory(String f){
this.factory=f;
}
public String getFactory(){
return this.factory;
}
}
ball1.jsp
<%@ page contentType="text/html;Charset=gbk"%>
<html>
<body>
<center>
<font size="20">
<jsp:useBean id= "ball" class="com.Ball" scope= "session"/>
<%ball.setColor("蓝色");%>
<jsp:setProperty name="ball" property= "price"
value= "528" />
<jsp:setProperty name="ball" property= "weight"
value= "1.02" />
<jsp:setProperty name="ball" property= "factory"
value= "国" />
球的颜色ؓQ?br />
<jsp:getProperty name= "ball" property= "color" /><br>
h为：
<jsp:getProperty name= "ball" property= "price" /><br>
重量为：
<jsp:getProperty name= "ball" property= "weight" /><br>
产地为：
<jsp:getProperty name= "ball" property= "factory" /><br>
<a href="ball2.jsp">Ҏ看看</a>
</font>
</body>
</html>
ball2.jsp
<%@ page contentType="text/html;Charset=gbk"%>
<html>
<body>
<center>
<font size="20">
<jsp:useBean id= "ball" class="com.Ball" scope= "session"/>
球的颜色ؓQ?br />
<%=ball.getColor()%><br>
h为：
<jsp:getProperty name= "ball" property= "price" /><br>
重量为：
<jsp:getProperty name= "ball" property= "weight" /><br>
产地为：
<jsp:getProperty name= "ball" property= "factory" /><br>
<a href="ball3.jsp">再点我看?lt;/a>
</font>
</body>
</html>
ball3.jsp
<%@ page contentType="text/html;Charset=gbk"%>
<html>
<body>
<center>
<font size="20">
<jsp:useBean id= "ball" class="com.Ball" scope= "session"/>
球的颜色ؓQ?br />
<jsp:getProperty name= "ball" property= "color" /><br>
h为：
<jsp:getProperty name= "ball" property= "price" /><br>
重量为：
<jsp:getProperty name= "ball" property= "weight" /><br>
产地为：
<jsp:getProperty name= "ball" property= "factory" /><br>
q是ball3.jsp的页?br />
<a href="ball4.jsp">换种Ҏ看一?lt;/a>
</font>
</body>
</html>
ball4.jsp
<%@ page contentType="text/html;Charset=gbk"%>
<html>
<body>
<center>
<font size="20">
<jsp:useBean id= "ball" class="com.Ball" scope= "session"/>
球的颜色ؓQ?br />
<%=ball.getColor()%>
<br>
h为：
<%=ball.getPrice()%><br>
重量为：
<%=ball.getWeight()%><br>
产地为：
<%=ball.getFactory()%><br>
q是ball4.jsp的页?/p>
</font>
</body>
</html>
]]>