import java.io.BufferedReader;
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import java.io.IOException;
import java.io.InputStreamReader;
/**
* 功能描述：从控制台输入总投票数、候选人数，再输入id,程序得出投票结果
*/
public class NoseCount {
/**
* @param args
* @throws IOException
*/
public static void main(String[] args) throws IOException {
// TODO 自动生成方法存根
int maxResult = 1;// 记录最大的票数
int maxResultId = 1;// 记录票数最大的id
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
System.out.println("请输入总投票数:");
String s = br.readLine();
int total = Integer.parseInt(s);
System.out.println("请输入候选人数:");// 控制id的范围
s = br.readLine();
int personNumber = Integer.parseInt(s);
int id[] = new int[personNumber + 1];// 记录id号
int result[] = new int[personNumber + 1];// 记录id为personNumber的票数
// 给id[]赋初值
for (int i = 0; i id.length; i++) {
id[i] = i;
}
// 给result[]赋初值0
for (int i = 0; i result.length; i++) {
result[i] = 0;
}
// 输入id并开始记录票数
for (int i = total; i 0; i--) {
System.out.println("第" + (total + 1 - i) + "票 此次投票完毕还可投" + (i - 1)
+ "票\t查看目前投票结果输入0\n请输入候选人id：(1~" + personNumber + ")");
String idin = br.readLine();
int temp = Integer.parseInt(idin);
while ((temp 1temp!=0) || temp personNumber) {// 控制id只能为1~personNumber
System.out.println("候选人id只能为1~" + personNumber + ";查看结果输入0;请重新输入!");
idin = br.readLine();
temp = Integer.parseInt(idin);
}
if(temp==0){//查看结果
i++;
for (int j = 1; j result.length; j++) {
System.out.println("候选人:" + id[j] + "\t票数：" + result[j]);
}
}
result[temp] += 1;
}
// 找出最大的票数,并记录id
for (int i = 2; i result.length - 1; i++) {
maxResult = result[1];
if (result[i] maxResult) {
maxResultId = i;
maxResult = result[i];
}
}
// 打印所有候选人票数
for (int i = 1; i result.length; i++) {
System.out.println("候选人:" + id[i] + "\t票数：" + result[i]);
}
// 判断最高票数的候选人是否唯一
int maxResultIdArrary[] = new int[id.length - 1];
int maxResultIdCount = 1;// 记录最高票数的id的个数
for (int i = 1; i result.length; i++) {//result[0]=0,不参与记数与打印输出
if (result[i] == maxResult i != maxResultId) {
maxResultIdArrary[maxResultIdCount - 1] = i;
maxResultIdCount++;
}
}
// 打印最高票数的候选人
if (maxResultIdCount == 1) {// 最高票数候选人唯一的输出
System.out.println("恭喜！id为" + id[maxResultId] + "的候选人以最高票"
+ maxResult + "票获胜!");
} else {
System.out.println("最高票数为：" + maxResult);
System.out.println("这些候选人是：");
System.out.print(maxResultId + ",");
for (int i = 0; i maxResultIdCount - 1; i++) {//由于maxResultIdCount的初始值为1故i maxResultIdCount - 1
System.out.print(maxResultIdArrary[i] + ",");
}
}
}
}
//这道提自我认为用到数据库会更好但是不用也可以细节需要楼主注意
package chen.save;
import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;
public class BankSingle
{
//实例化账户类1
static Zhanghu user1=new Zhanghu("1001",2000);
//存款
public static void savemoney()
{
Scanner sc=new Scanner(System.in);
System.out.print("请输入你的账号:");
String id=sc.next();
if(id.equals(user1.getUserid()))
{
System.out.print("\n请输入存款金额");
double savemoney=sc.nextDouble();
//得到余额
double yumoney=user1.getMoney();
user1.setMoney(savemoney+yumoney);
System.out.print("存款成功");
System.out.println("存款后余额为"+user1.getMoney());
}
}
//取款
public static void qumoney()
{
Scanner sc=new Scanner(System.in);
System.out.print("请输入你的账号:");
String id=sc.next();
if(id.equals(user1.getUserid()))
{
System.out.print("\n请输入取款金额:");
double qumoney=sc.nextDouble();
//得到余额
double yumoney=user1.getMoney();
if(qumoneyyumoney)
{
System.out.println("取款不能大于余额请重新输入:"):
qumoney=sc.nextDouble();
}
user1.setMoney(yumoney-qumoney);
System.out.print("取款成功");
System.out.println("取款后余额为"+user1.getMoney());
}
}
//查询余额
public static void select()
{
Scanner sc=new Scanner(System.in);
System.out.print("请输入你的账号:");
String id=sc.next();
if(id.equals(user1.getUserid()))
{
//得到余额
double yumoney=user1.getMoney();
System.out.println("账号:"+id+"\t余额:"+yumoney);
}
}
//显示账号由于没有用到数据库只能这样做
public static void selectall()
{
ListZhanghu all=new ArrayListZhanghu();
all.add(user1);
for(Zhanghu use:all)
{
System.out.println("账户："+use.getUserid());
}
}
public static void main(String[] args)
{
while(true)
{
int i=bankmanger();
switch(i)
{
case 1: savemoney();
break;
case 2:qumoney();
break;
case 3:select();
break;
case 4:selectall();
break;
}
}
}
//"存款"、"取款"、"查询余额"和”显示帐号”。定义主类
public static int bankmanger()
{
Scanner sc=new Scanner(System.in);
System.out.println("1.存款:");
System.out.println("2.取款:");
System.out.println("3.查询余额：");
System.out.println("4.显示账号：");
int i=sc.nextInt();
return i;
}
}
class Zhanghu
{
private String userid;//账号
private double money;//余额
public String getUserid() {
return userid;
}
public void setUserid(String userid) {
this.userid = userid;
}
public double getMoney() {
return money;
}
public void setMoney(double money) {
this.money = money;
}
public Zhanghu(String userid, double money) {
super();
this.userid = userid;
this.money = money;
}
}
java网络五子棋
下面的源代码分为4个文件；
chessClient.java:客户端主程序。
chessInterface.java:客户端的界面。
chessPad.java:棋盘的绘制。
chessServer.java:服务器端。
可同时容纳50个人同时在线下棋，聊天。
没有加上详细注释，不过绝对可以运行，j2sdk1.4下通过。
/*********************************************************************************************
1.chessClient.java
**********************************************************************************************/
import java.awt.*;
import java.awt.event.*;
import java.io.*;
import java.net.*;
import java.util.*;
class clientThread extends Thread
{
chessClient chessclient;
clientThread(chessClient chessclient)
{
this.chessclient=chessclient;
}
public void acceptMessage(String recMessage)
{
if(recMessage.startsWith("/userlist "))
{
StringTokenizer userToken=new StringTokenizer(recMessage," ");
int userNumber=0;
chessclient.userpad.userList.removeAll();
chessclient.inputpad.userChoice.removeAll();
chessclient.inputpad.userChoice.addItem("所有人");
while(userToken.hasMoreTokens())
{
String user=(String)userToken.nextToken(" ");
if(userNumber0 !user.startsWith("[inchess]"))
{
chessclient.userpad.userList.add(user);
chessclient.inputpad.userChoice.addItem(user);
}
userNumber++;
}
chessclient.inputpad.userChoice.select("所有人");
}
else if(recMessage.startsWith("/yourname "))
{
chessclient.chessClientName=recMessage.substring(10);
chessclient.setTitle("Java五子棋客户端 "+"用户名:"+chessclient.chessClientName);
}
else if(recMessage.equals("/reject"))
{
try
{
chessclient.chesspad.statusText.setText("不能加入游戏");
chessclient.controlpad.cancelGameButton.setEnabled(false);
chessclient.controlpad.joinGameButton.setEnabled(true);
chessclient.controlpad.creatGameButton.setEnabled(true);
}
catch(Exception ef)
{
chessclient.chatpad.chatLineArea.setText("chessclient.chesspad.chessSocket.close无法关闭");
}
chessclient.controlpad.joinGameButton.setEnabled(true);
}
else if(recMessage.startsWith("/peer "))
{
chessclient.chesspad.chessPeerName=recMessage.substring(6);
if(chessclient.isServer)
{
chessclient.chesspad.chessColor=1;
chessclient.chesspad.isMouseEnabled=true;
chessclient.chesspad.statusText.setText("请黑棋下子");
}
else if(chessclient.isClient)
{
chessclient.chesspad.chessColor=-1;
chessclient.chesspad.statusText.setText("已加入游戏，等待对方下子...");
}
}
else if(recMessage.equals("/youwin"))
{
chessclient.isOnChess=false;
chessclient.chesspad.chessVictory(chessclient.chesspad.chessColor);
chessclient.chesspad.statusText.setText("对方退出，请点放弃游戏退出连接");
chessclient.chesspad.isMouseEnabled=false;
}
else if(recMessage.equals("/OK"))
{
chessclient.chesspad.statusText.setText("创建游戏成功，等待别人加入...");
}
else if(recMessage.equals("/error"))
{
chessclient.chatpad.chatLineArea.append("传输错误：请退出程序，重新加入 \n");
}
else
{
chessclient.chatpad.chatLineArea.append(recMessage+"\n");
chessclient.chatpad.chatLineArea.setCaretPosition(
chessclient.chatpad.chatLineArea.getText().length());
}
}
public void run()
{
String message="";
try
{
while(true)
{
message=chessclient.in.readUTF();
acceptMessage(message);
}
}
catch(IOException es)
{
}
}
}
public class chessClient extends Frame implements ActionListener,KeyListener
{
userPad userpad=new userPad();
chatPad chatpad=new chatPad();
controlPad controlpad=new controlPad();
chessPad chesspad=new chessPad();
inputPad inputpad=new inputPad();
Socket chatSocket;
DataInputStream in;
DataOutputStream out;
String chessClientName=null;
String host=null;
int port=4331;
boolean isOnChat=false; //在聊天？
boolean isOnChess=false; //在下棋？
boolean isGameConnected=false; //下棋的客户端连接？
boolean isServer=false; //如果是下棋的主机
boolean isClient=false; //如果是下棋的客户端
Panel southPanel=new Panel();
Panel northPanel=new Panel();
Panel centerPanel=new Panel();
Panel westPanel=new Panel();
Panel eastPanel=new Panel();
chessClient()
{
super("Java五子棋客户端");
setLayout(new BorderLayout());
host=controlpad.inputIP.getText();
westPanel.setLayout(new BorderLayout());
westPanel.add(userpad,BorderLayout.NORTH);
westPanel.add(chatpad,BorderLayout.CENTER);
westPanel.setBackground(Color.pink);
inputpad.inputWords.addKeyListener(this);
chesspad.host=controlpad.inputIP.getText();
centerPanel.add(chesspad,BorderLayout.CENTER);
centerPanel.add(inputpad,BorderLayout.SOUTH);
centerPanel.setBackground(Color.pink);
controlpad.connectButton.addActionListener(this);
controlpad.creatGameButton.addActionListener(this);
controlpad.joinGameButton.addActionListener(this);
controlpad.cancelGameButton.addActionListener(this);
controlpad.exitGameButton.addActionListener(this);
controlpad.creatGameButton.setEnabled(false);
controlpad.joinGameButton.setEnabled(false);
controlpad.cancelGameButton.setEnabled(false);
southPanel.add(controlpad,BorderLayout.CENTER);
southPanel.setBackground(Color.pink);
addWindowListener(new WindowAdapter()
{
public void windowClosing(WindowEvent e)
{
if(isOnChat)
{
try
{
chatSocket.close();
}
catch(Exception ed)
{
}
}
if(isOnChess || isGameConnected)
{
try
{
chesspad.chessSocket.close();
}
catch(Exception ee)
{
}
}
System.exit(0);
}
public void windowActivated(WindowEvent ea)
{
}
});
add(westPanel,BorderLayout.WEST);
add(centerPanel,BorderLayout.CENTER);
add(southPanel,BorderLayout.SOUTH);
pack();
setSize(670,548);
setVisible(true);
setResizable(false);
validate();
}
public boolean connectServer(String serverIP,int serverPort) throws Exception
{
try
{
chatSocket=new Socket(serverIP,serverPort);
in=new DataInputStream(chatSocket.getInputStream());
out=new DataOutputStream(chatSocket.getOutputStream());
clientThread clientthread=new clientThread(this);
clientthread.start();
isOnChat=true;
return true;
}
catch(IOException ex)
{
chatpad.chatLineArea.setText("chessClient:connectServer:无法连接,建议重新启动程序 \n");
}
return false;
}
public void actionPerformed(ActionEvent e)
{
if(e.getSource()==controlpad.connectButton)
{
host=chesspad.host=controlpad.inputIP.getText();
try
{
if(connectServer(host,port))
{
chatpad.chatLineArea.setText("");
controlpad.connectButton.setEnabled(false);
controlpad.creatGameButton.setEnabled(true);
controlpad.joinGameButton.setEnabled(true);
chesspad.statusText.setText("连接成功，请创建游戏或加入游戏");
}
}
catch(Exception ei)
{
chatpad.chatLineArea.setText("controlpad.connectButton:无法连接,建议重新启动程序 \n");
}
}
if(e.getSource()==controlpad.exitGameButton)
{
if(isOnChat)
{
try
{
chatSocket.close();
}
catch(Exception ed)
{
}
}
if(isOnChess || isGameConnected)
{
try
{
chesspad.chessSocket.close();
}
catch(Exception ee)
{
}
}
System.exit(0);
}
if(e.getSource()==controlpad.joinGameButton)
{
String selectedUser=userpad.userList.getSelectedItem();
if(selectedUser==null || selectedUser.startsWith("[inchess]") ||
selectedUser.equals(chessClientName))
{
chesspad.statusText.setText("必须先选定一个有效用户");
}
else
{
try
{
if(!isGameConnected)
{
if(chesspad.connectServer(chesspad.host,chesspad.port))
{
isGameConnected=true;
isOnChess=true;
isClient=true;
controlpad.creatGameButton.setEnabled(false);
controlpad.joinGameButton.setEnabled(false);
controlpad.cancelGameButton.setEnabled(true);
chesspad.chessthread.sendMessage("/joingame "+userpad.userList.getSelectedItem()+" "+chessClientName);
}
}
else
{
isOnChess=true;
isClient=true;
controlpad.creatGameButton.setEnabled(false);
controlpad.joinGameButton.setEnabled(false);
controlpad.cancelGameButton.setEnabled(true);
chesspad.chessthread.sendMessage("/joingame "+userpad.userList.getSelectedItem()+" "+chessClientName);
}
}
catch(Exception ee)
{
isGameConnected=false;
isOnChess=false;
isClient=false;
controlpad.creatGameButton.setEnabled(true);
controlpad.joinGameButton.setEnabled(true);
controlpad.cancelGameButton.setEnabled(false);
chatpad.chatLineArea.setText("chesspad.connectServer无法连接 \n"+ee);
}
}
}
if(e.getSource()==controlpad.creatGameButton)
{
try
{
if(!isGameConnected)
{
if(chesspad.connectServer(chesspad.host,chesspad.port))
{
isGameConnected=true;
isOnChess=true;
isServer=true;
controlpad.creatGameButton.setEnabled(false);
controlpad.joinGameButton.setEnabled(false);
controlpad.cancelGameButton.setEnabled(true);
chesspad.chessthread.sendMessage("/creatgame "+"[inchess]"+chessClientName);
}
}
else
{
isOnChess=true;
isServer=true;
controlpad.creatGameButton.setEnabled(false);
controlpad.joinGameButton.setEnabled(false);
controlpad.cancelGameButton.setEnabled(true);
chesspad.chessthread.sendMessage("/creatgame "+"[inchess]"+chessClientName);
}
}
catch(Exception ec)
{
isGameConnected=false;
isOnChess=false;
isServer=false;
controlpad.creatGameButton.setEnabled(true);
controlpad.joinGameButton.setEnabled(true);
controlpad.cancelGameButton.setEnabled(false);
ec.printStackTrace();
chatpad.chatLineArea.setText("chesspad.connectServer无法连接 \n"+ec);
}
}
if(e.getSource()==controlpad.cancelGameButton)
{
if(isOnChess)
{
chesspad.chessthread.sendMessage("/giveup "+chessClientName);
chesspad.chessVictory(-1*chesspad.chessColor);
controlpad.creatGameButton.setEnabled(true);
controlpad.joinGameButton.setEnabled(true);
controlpad.cancelGameButton.setEnabled(false);
chesspad.statusText.setText("请建立游戏或者加入游戏");
}
if(!isOnChess)
{
controlpad.creatGameButton.setEnabled(true);
controlpad.joinGameButton.setEnabled(true);
controlpad.cancelGameButton.setEnabled(false);
chesspad.statusText.setText("请建立游戏或者加入游戏");
}
isClient=isServer=false;
}
}
public void keyPressed(KeyEvent e)
{
TextField inputWords=(TextField)e.getSource();
if(e.getKeyCode()==KeyEvent.VK_ENTER)
{
if(inputpad.userChoice.getSelectedItem().equals("所有人"))
{
try
{
out.writeUTF(inputWords.getText());
inputWords.setText("");
}
catch(Exception ea)
{
chatpad.chatLineArea.setText("chessClient:KeyPressed无法连接,建议重新连接 \n");
userpad.userList.removeAll();
inputpad.userChoice.removeAll();
inputWords.setText("");
controlpad.connectButton.setEnabled(true);
}
}
else
{
try
{
out.writeUTF("/"+inputpad.userChoice.getSelectedItem()+" "+inputWords.getText());
inputWords.setText("");
}
catch(Exception ea)
{
chatpad.chatLineArea.setText("chessClient:KeyPressed无法连接,建议重新连接 \n");
userpad.userList.removeAll();
inputpad.userChoice.removeAll();
inputWords.setText("");
controlpad.connectButton.setEnabled(true);
}
}
}
}
public void keyTyped(KeyEvent e)
{
}
public void keyReleased(KeyEvent e)
{
}
public static void main(String args[])
{
chessClient chessClient=new chessClient();
}
}
/******************************************************************************************
下面是：chessInteface.java
******************************************************************************************/
import java.awt.*;
import java.awt.event.*;
import java.io.*;
import java.net.*;
class userPad extends Panel
{
List userList=new List(10);
userPad()
{
setLayout(new BorderLayout());
for(int i=0;i50;i++)
{
userList.add(i+"."+"没有用户");
}
add(userList,BorderLayout.CENTER);
}
}
class chatPad extends Panel
{
TextArea chatLineArea=new TextArea("",18,30,TextArea.SCROLLBARS_VERTICAL_ONLY);
chatPad()
{
setLayout(new BorderLayout());
add(chatLineArea,BorderLayout.CENTER);
}
}
class controlPad extends Panel
{
Label IPlabel=new Label("IP",Label.LEFT);
TextField inputIP=new TextField("localhost",10);
Button connectButton=new Button("连接主机");
Button creatGameButton=new Button("建立游戏");
Button joinGameButton=new Button("加入游戏");
Button cancelGameButton=new Button("放弃游戏");
Button exitGameButton=new Button("关闭程序");
controlPad()
{
setLayout(new FlowLayout(FlowLayout.LEFT));
setBackground(Color.pink);
add(IPlabel);
add(inputIP);
add(connectButton);
add(creatGameButton);
add(joinGameButton);
add(cancelGameButton);
add(exitGameButton);
}
}
class inputPad extends Panel
{
TextField inputWords=new TextField("",40);
Choice userChoice=new Choice();
inputPad()
{
setLayout(new FlowLayout(FlowLayout.LEFT));
for(int i=0;i50;i++)
{
userChoice.addItem(i+"."+"没有用户");
}
userChoice.setSize(60,24);
add(userChoice);
add(inputWords);
}
}
/**********************************************************************************************
下面是：chessPad.java
**********************************************************************************************/
import java.awt.*;
import java.awt.event.*;
import java.io.*;
import java.net.*;
import java.util.*;
class chessThread extends Thread
{
chessPad chesspad;
chessThread(chessPad chesspad)
{
this.chesspad=chesspad;
}
public void sendMessage(String sndMessage)
{
try
{
chesspad.outData.writeUTF(sndMessage);
}
catch(Exception ea)
{
System.out.println("chessThread.sendMessage:"+ea);
}
}
public void acceptMessage(String recMessage)
{
if(recMessage.startsWith("/chess "))
{
StringTokenizer userToken=new StringTokenizer(recMessage," ");
String chessToken;
String[] chessOpt={"-1","-1","0"};
int chessOptNum=0;
while(userToken.hasMoreTokens())
{
chessToken=(String)userToken.nextToken(" ");
if(chessOptNum=1 chessOptNum=3)
{
chessOpt[chessOptNum-1]=chessToken;
}
chessOptNum++;
}
chesspad.netChessPaint(Integer.parseInt(chessOpt[0]),Integer.parseInt(chessOpt[1]),Integer.parseInt(chessOpt[2]));
}
else if(recMessage.startsWith("/yourname "))
{
chesspad.chessSelfName=recMessage.substring(10);
}
else if(recMessage.equals("/error"))
{
chesspad.statusText.setText("错误:没有这个用户，请退出程序，重新加入");
}
else
{
//System.out.println(recMessage);
}
}
public void run()
{
String message="";
try
{
while(true)
{
message=chesspad.inData.readUTF();
acceptMessage(message);
}
}
catch(IOException es)
{
}
}
}
class chessPad extends Panel implements MouseListener,ActionListener
{
int chessPoint_x=-1,chessPoint_y=-1,chessColor=1;
int chessBlack_x[]=new int[200];
int chessBlack_y[]=new int[200];
int chessWhite_x[]=new int[200];
int chessWhite_y[]=new int[200];
int chessBlackCount=0,chessWhiteCount=0;
int chessBlackWin=0,chessWhiteWin=0;
boolean isMouseEnabled=false,isWin=false,isInGame=false;
TextField statusText=new TextField("请先连接服务器");
Socket chessSocket;
DataInputStream inData;
DataOutputStream outData;
String chessSelfName=null;
String chessPeerName=null;
String host=null;
int port=4331;
chessThread chessthread=new chessThread(this);
chessPad()
{
setSize(440,440);
setLayout(null);
setBackground(Color.pink);
addMouseListener(this);
add(statusText);
statusText.setBounds(40,5,360,24);
statusText.setEditable(false);
}
public boolean connectServer(String ServerIP,int ServerPort) throws Exception
{
try
{
chessSocket=new Socket(ServerIP,ServerPort);
inData=new DataInputStream(chessSocket.getInputStream());
outData=new DataOutputStream(chessSocket.getOutputStream());
chessthread.start();
return true;
}
catch(IOException ex)
{
statusText.setText("chessPad:connectServer:无法连接 \n");
}
return false;
}
public void chessVictory(int chessColorWin)
{
this.removeAll();
for(int i=0;i=chessBlackCount;i++)
{
chessBlack_x[i]=0;
chessBlack_y[i]=0;
}
for(int i=0;i=chessWhiteCount;i++)
{
chessWhite_x[i]=0;
chessWhite_y[i]=0;
}
chessBlackCount=0;
chessWhiteCount=0;
add(statusText);
statusText.setBounds(40,5,360,24);
if(chessColorWin==1)
{ chessBlackWin++;
statusText.setText("黑棋胜,黑:白为"+chessBlackWin+":"+chessWhiteWin+",重新开局,等待白棋下子...");
}
else if(chessColorWin==-1)
{
chessWhiteWin++;
statusText.setText("白棋胜,黑:白为"+chessBlackWin+":"+chessWhiteWin+",重新开局,等待黑棋下子...");
}
}
public void getLocation(int a,int b,int color)
{
if(color==1)
{
chessBlack_x[chessBlackCount]=a*20;
chessBlack_y[chessBlackCount]=b*20;
chessBlackCount++;
}
else if(color==-1)
{
chessWhite_x[chessWhiteCount]=a*20;
chessWhite_y[chessWhiteCount]=b*20;
chessWhiteCount++;
}
}
public boolean checkWin(int a,int b,int checkColor)
{
int step=1,chessLink=1,chessLinkTest=1,chessCompare=0;
if(checkColor==1)
{
chessLink=1;
for(step=1;step=4;step++)
{
for(chessCompare=0;chessCompare=chessBlackCount;chessCompare++)
{
if(((a+step)*20==chessBlack_x[chessCompare]) ((b*20)==chessBlack_y[chessCompare]))
{
chessLink=chessLink+1;
if(chessLink==5)
{
return(true);
}
}
}
if(chessLink==(chessLinkTest+1))
chessLinkTest++;
else
break;
}
for(step=1;step=4;step++)
{
for(chessCompare=0;chessCompare=chessBlackCount;chessCompare++)
{
if(((a-step)*20==chessBlack_x[chessCompare]) (b*20==chessBlack_y[chessCompare]))
{
chessLink++;
if(chessLink==5)
{
return(true);
}
}
}
if(chessLink==(chessLinkTest+1))
chessLinkTest++;
else
break;
}
chessLink=1;
chessLinkTest=1;
for(step=1;step=4;step++)
{
for(chessCompare=0;chessCompare=chessBlackCount;chessCompare++)
{
if((a*20==chessBlack_x[chessCompare]) ((b+step)*20==chessBlack_y[chessCompare]))
{
chessLink++;
if(chessLink==5)
{
return(true);
}
}
}
if(chessLink==(chessLinkTest+1))
chessLinkTest++;
else
break;
}
for(step=1;step=4;step++)
{
for(chessCompare=0;chessCompare=chessBlackCount;chessCompare++)
{
if((a*20==chessBlack_x[chessCompare]) ((b-step)*20==chessBlack_y[chessCompare]))
{
chessLink++;
if(chessLink==5)
{
return(true);
}
}
}
if(chessLink==(chessLinkTest+1))
chessLinkTest++;
else
break;
}
chessLink=1;
chessLinkTest=1;
for(step=1;step=4;step++)
{
for(chessCompare=0;chessCompare=chessBlackCount;chessCompare++)
{
if(((a-step)*20==chessBlack_x[chessCompare]) ((b+step)*20==chessBlack_y[chessCompare]))
{
chessLink++;
if(chessLink==5)
{
return(true);
}
}
}
if(chessLink==(chessLinkTest+1))
chessLinkTest++;
else
break;
}
for(step=1;step=4;step++)
{
for(chessCompare=0;chessCompare=chessBlackCount;chessCompare++)
{
if(((a+step)*20==chessBlack_x[chessCompare]) ((b-step)*20==chessBlack_y[chessCompare]))
{
chessLink++;
if(chessLink==5)
{
return(true);
}
}
}
if(chessLink==(chessLinkTest+1))
chessLinkTest++;
else
break;
}
chessLink=1;
chessLinkTest=1;
for(step=1;step=4;step++)
{
for(chessCompare=0;chessCompare=chessBlackCount;chessCompare++)
{
if(((a+step)*20==chessBlack_x[chessCompare]) ((b+step)*20==chessBlack_y[chessCompare]))
{
chessLink++;
if(chessLink==5)
{
return(true);
}
}
}
if(chessLink==(chessLinkTest+1))
chessLinkTest++;
else
break;
}
for(step=1;step=4;step++)
{
for(chessCompare=0;chessCompare=chessBlackCount;chessCompare++)
{
if(((a-step)*20==chessBlack_x[chessCompare]) ((b-step)*20==chessBlack_y[chessCompare]))
{
chessLink++;
if(chessLink==5)
{
return(true);
}
}
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.border.*;
class test implements ActionListener
{
JFrame frame;
JButton b1,b2,b3,b4,b5,b6,b7,b8,b9,b10,b11,b12,b13,b14,b15,b16,b17,b18,b19,b20,b21,b22,b23,b24,b25,b26,b27,b28,b29,b30,b31;
JTextArea ta;
JPanel p1,p2,p3,p4;
JMenuBar mb;
JMenu m1,m2,m3;
JMenuItem mt1,mt2,mt3,mt4,mt5,mt6,mt7;
JRadioButton rb1,rb2;
ButtonGroup bg;
Double d1=0.0,d2=0.0,d3=0.0,d4=1.0,d5=1.0;
String s1="",s2="",s3="",s4="";
int a=0;
char c1;
int i=0;
public static void main(String[] args)
{
test that=new test();
that.go();
}
public void go()
{
frame=new JFrame("计算器");
Container cp= frame.getContentPane();
cp.setLayout(new FlowLayout());
b1=new JButton("7");b2=new JButton("8");b3=new JButton("9");b4=new JButton("/");b5=new JButton("1/x");b6=new JButton("sin");b7=new JButton("log");
b8=new JButton("4");b9=new JButton("5");b10=new JButton("6");b11=new JButton("*");b12=new JButton("x^y");b13=new JButton("cos");b14=new JButton("ln");
b15=new JButton("1");b16=new JButton("2");b17=new JButton("3");b18=new JButton("-");b19=new JButton(new ImageIcon("lanying.gif"));b20=new JButton("tan");b21=new JButton("x^3");
b22=new JButton("0");b23=new JButton("+/-");b24=new JButton(".");b25=new JButton("+");b26=new JButton("√x");b27=new JButton("cot");b28=new JButton("x^2");
b29=new JButton("Backspace");b30=new JButton("C");b31=new JButton("=");
mb=new JMenuBar();
m1=new JMenu("文件(F)");m2=new JMenu("编辑(E)");m3=new JMenu("帮助(H)");
mt1=new JMenuItem("清零");mt2=new JMenuItem("退出");mt3=new JMenuItem("复制");mt4=new JMenuItem("粘贴");mt5=new JMenuItem("版本");mt6=new JMenuItem("标准型");mt7=new JMenuItem("科学型");
ta=new JTextArea(1,30);
p1=new JPanel();p2=new JPanel();p3=new JPanel();p4=new JPanel();
rb1=new JRadioButton("科学型");rb2=new JRadioButton("标准型");
bg=new ButtonGroup();
b1.setForeground(Color.blue);b1.setBackground(Color.white);b2.setForeground(Color.blue);b2.setBackground(Color.white);
b3.setForeground(Color.blue);b3.setBackground(Color.white);b8.setForeground(Color.blue);b8.setBackground(Color.white);
b9.setForeground(Color.blue);b9.setBackground(Color.white);b10.setForeground(Color.blue);b10.setBackground(Color.white);
b15.setForeground(Color.blue);b15.setBackground(Color.white);b16.setForeground(Color.blue);b16.setBackground(Color.white);
b17.setForeground(Color.blue);b17.setBackground(Color.white);b22.setForeground(Color.blue);b22.setBackground(Color.white);
b23.setForeground(Color.blue);b23.setBackground(Color.white);b24.setForeground(Color.blue);b24.setBackground(Color.white);
b4.setForeground(Color.red);b4.setBackground(Color.white);b11.setForeground(Color.red);b11.setBackground(Color.white);
b18.setForeground(Color.red);b18.setBackground(Color.white);b25.setForeground(Color.red);b25.setBackground(Color.white);
b5.setForeground(Color.blue);b5.setBackground(Color.white);b6.setForeground(Color.blue);b6.setBackground(Color.white);
b7.setForeground(Color.blue);b7.setBackground(Color.white);b12.setForeground(Color.blue);b12.setBackground(Color.white);
b13.setForeground(Color.blue);b13.setBackground(Color.white);b14.setForeground(Color.blue);b14.setBackground(Color.white);
b19.setForeground(Color.blue);b19.setBackground(Color.white);b20.setForeground(Color.blue);b20.setBackground(Color.white);
b21.setForeground(Color.blue);b21.setBackground(Color.white);b26.setForeground(Color.blue);b26.setBackground(Color.white);
b27.setForeground(Color.blue);b27.setBackground(Color.white);b28.setForeground(Color.blue);b28.setBackground(Color.white);
b29.setForeground(Color.red);b29.setBackground(Color.white);b30.setForeground(Color.red);b30.setBackground(Color.white);
b31.setForeground(Color.red);b31.setBackground(Color.white);
bg.add(rb1);bg.add(rb2);
p1.setBackground(Color.yellow);
cp.setBackground(Color.CYAN);
m1.setMnemonic(KeyEvent.VK_F);m2.setMnemonic(KeyEvent.VK_E);m3.setMnemonic(KeyEvent.VK_H);
m1.add(mt6);m1.add(mt7);m1.addSeparator();m1.add(mt1);m1.addSeparator();m1.add(mt2);m2.add(mt3);m2.addSeparator();m2.add(mt4);m3.add(mt5);
mb.add(m1);mb.add(m2);mb.add(m3);
frame.setJMenuBar(mb);
p2.setLayout(new GridLayout(4,7));
p3.setLayout(new GridLayout(1,3));
ta.setEditable(false);
p1.add(ta);
p2.add(b1);p2.add(b2);p2.add(b3);p2.add(b4);p2.add(b5);p2.add(b6);p2.add(b7);
p2.add(b8);p2.add(b9);p2.add(b10);p2.add(b11);p2.add(b12);p2.add(b13);p2.add(b14);
p2.add(b15);p2.add(b16);p2.add(b17);p2.add(b18);p2.add(b19);p2.add(b20);p2.add(b21);
p2.add(b22);p2.add(b23);p2.add(b24);p2.add(b25);p2.add(b26);p2.add(b27);p2.add(b28);
p3.add(b29);p3.add(b30);p3.add(b31);
Border etched=BorderFactory.createEtchedBorder();
Border border=BorderFactory.createTitledBorder(etched,"计算类型");
p4.add(rb1);p4.add(rb2);
p4.setBorder(border);
b2.setActionCommand("8");
b2.addActionListener(this);
cp.add(p1);cp.add(p4);cp.add(p2);cp.add(p3);
frame.setSize(400,330);
frame.setVisible(true);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
b1.setActionCommand("7");
b1.addActionListener(this);
b2.setActionCommand("8");
b2.addActionListener(this);
b3.setActionCommand("9");
b3.addActionListener(this);
b4.setActionCommand("/");
b4.addActionListener(this);
b5.setActionCommand("1/x");
b5.addActionListener(this);
b6.setActionCommand("sin");
b6.addActionListener(this);
b7.setActionCommand("log");
b7.addActionListener(this);
b8.setActionCommand("4");
b8.addActionListener(this);
b9.setActionCommand("5");
b9.addActionListener(this);
b10.setActionCommand("6");
b10.addActionListener(this);
b11.setActionCommand("*");
b11.addActionListener(this);
b12.setActionCommand("x^y");
b12.addActionListener(this);
b13.setActionCommand("cos");
b13.addActionListener(this);
b14.setActionCommand("ln");
b14.addActionListener(this);
b15.setActionCommand("1");
b15.addActionListener(this);
b16.setActionCommand("2");
b16.addActionListener(this);
b17.setActionCommand("3");
b17.addActionListener(this);
b18.setActionCommand("-");
b18.addActionListener(this);
b19.setActionCommand("x!");
b19.addActionListener(this);
b20.setActionCommand("tan");
b20.addActionListener(this);
b21.setActionCommand("x^3");
b21.addActionListener(this);
b22.setActionCommand("0");
b22.addActionListener(this);
b23.setActionCommand("+/-");
b23.addActionListener(this);
b24.setActionCommand(".");
b24.addActionListener(this);
b25.setActionCommand("+");
b25.addActionListener(this);
b26.setActionCommand("√x");
b26.addActionListener(this);
b27.setActionCommand("cot");
b27.addActionListener(this);
b28.setActionCommand("x^2");
b28.addActionListener(this);
b29.setActionCommand("Backspace");
b29.addActionListener(this);
b30.setActionCommand("C");
b30.addActionListener(this);
b31.setActionCommand("=");
b31.addActionListener(this);
rb1.setActionCommand("kxx");
rb1.addActionListener(this);
rb2.setActionCommand("bzx");
rb2.addActionListener(this);
}
public void actionPerformed(ActionEvent e) //throws Exception
{
if (e.getActionCommand()=="bzx")
{
b5.setEnabled(false);b6.setEnabled(false);b7.setEnabled(false);
b12.setEnabled(false);b13.setEnabled(false);b14.setEnabled(false);
b19.setEnabled(false);b20.setEnabled(false);b21.setEnabled(false);
b26.setEnabled(false);b27.setEnabled(false);b28.setEnabled(false);
}
if (e.getActionCommand()=="kxx")
{
b5.setEnabled(true);b6.setEnabled(true);b7.setEnabled(true);
b12.setEnabled(true);b13.setEnabled(true);b14.setEnabled(true);
b19.setEnabled(true);b20.setEnabled(true);b21.setEnabled(true);
b26.setEnabled(true);b27.setEnabled(true);b28.setEnabled(true);
}
if (e.getActionCommand()=="1")
{
ta.append("1");
}
if (e.getActionCommand()=="2")
{
ta.append("2");
}
if (e.getActionCommand()=="3")
{
ta.append("3");
}
if (e.getActionCommand()=="4")
{
ta.append("4");
}
if (e.getActionCommand()=="5")
{
ta.append("5");
}
if (e.getActionCommand()=="6")
{
ta.append("6");
}
if (e.getActionCommand()=="7")
{
ta.append("7");
}
if (e.getActionCommand()=="8")
{
ta.append("8");
}
if (e.getActionCommand()=="9")
{
ta.append("9");
}
if (e.getActionCommand()=="0")
{
ta.append("0");
}
if (e.getActionCommand()=="+")
{
s1=ta.getText();
d1 = Double.parseDouble(s1);
ta.setText("");
i=1;
}
if (e.getActionCommand()=="-")
{
s1=ta.getText();
d1 = Double.parseDouble(s1);
ta.setText("");
i=2;
}
if (e.getActionCommand()=="*")
{
s1=ta.getText();
d1 = Double.parseDouble(s1);
ta.setText("");
i=3;
}
if (e.getActionCommand()=="/")
{
s1=ta.getText();
d1 = Double.parseDouble(s1);
ta.setText("");
i=4;
}
if (e.getActionCommand()=="=")
{
s2=ta.getText();
d2=Double.parseDouble(s2);
if(i==1)
{
d3=d1+d2;
ta.setText( d3.toString());
}
if(i==2)
{
d3=d1-d2;
ta.setText( d3.toString());
}
if(i==3)
{
d3=d1*d2;
ta.setText( d3.toString());
}
if(i==4)
{
if(d2==0.0)
ta.setText("ERROR");
else
{
d3=d1/d2;
ta.setText( d3.toString());
}
}
if (i==5)
{
s2=ta.getText();
d2 = Double.parseDouble(s2);
for (int l=1;l=d2 ; l++)
{
d5=d5*d1;
}
ta.setText( d5.toString());
}
}
if (e.getActionCommand()=="C")
{
ta.setText("");
d4=1.0;
d5=1.0;
}
/*if (e.getActionCommand()=="Backspace")
{
s3=ta.getText();
a=s3.length();
//ta.cut(ta.select(a-1,a));
s4=ta.getText(1,3);
ta.setText(s4);
}
*/
if (e.getActionCommand()=="1/x")
{
s1=ta.getText();
d1 = Double.parseDouble(s1);
d2=1/d1;
ta.setText( d2.toString());
}
if (e.getActionCommand()==".")
{
ta.append(".");
}
if (e.getActionCommand()=="+/-")
{
s1=ta.getText();
d1 = Double.parseDouble(s1);
d2=0-d1;
ta.setText( d2.toString());
}
if (e.getActionCommand()=="x^2")
{
s1=ta.getText();
d1 = Double.parseDouble(s1);
d2=d1*d1;
ta.setText( d2.toString());
}
if (e.getActionCommand()=="x^3")
{
s1=ta.getText();
d1 = Double.parseDouble(s1);
d2=d1*d1*d1;
ta.setText( d2.toString());
}
if (e.getActionCommand()=="x^y")
{
s1=ta.getText();
d1 = Double.parseDouble(s1);
ta.setText("");
i=5;
// d2=d1*d1*d1;
// ta.setText( d2.toString());
}
if (e.getActionCommand()=="√x")
{
s1=ta.getText();
d1 = Double.parseDouble(s1);
d2=Math.sqrt(d1);
ta.setText( d2.toString());
}
if (e.getActionCommand()=="x!")
{
s1=ta.getText();
d1 = Double.parseDouble(s1);
if (d10)
{
ta.setText( "error");
}
else if (d1==0)
{
ta.setText( "0.0");
}
else {
for (int k=1;k=d1 ;k++ )
d4=d4*k;
ta.setText( d4.toString());
}
}
if (e.getActionCommand()=="sin")
{
s1=ta.getText();
d1 = Double.parseDouble(s1);
d2=Math.sin(3.1415926*d1/180);
ta.setText( d2.toString());
}
}
}
学java的时候自己编的，很简单，能够连续输入计算式后进行计算
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.FlowLayout;
import java.awt.Font;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.text.NumberFormat;
import java.util.ArrayList;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JTextField;
/**简易计算器，能够进行简单的计算
*
* @see 2008.12.9
*/
public class CalculatorA
implements ActionListener{
private JFrame frame;
private JTextField field;
private JButton[] allButtons;
private JButton clearButton;
// private JButton backButton;
String result="";//保存结果
StringBuilder sb = new StringBuilder();//保存要进行的计算式
int x = 0; //用来判断上一次的事件类型
String str = "123+456-789*0.=/";
ArrayListString arrayList = new ArrayListString();//保存计算式，通过方法进行运算
public CalculatorA(){
frame = new JFrame("我的计算器v1.1");
frame.setLocation(300,300);
field = new JTextField(25);
allButtons = new JButton[16];
for(int i=0;iallButtons.length;i++){
allButtons[i]= new JButton(str.substring(i,i+1));
}
clearButton = new JButton("CLEAR");
// backButton = new JButton("——");
init();
setFondAndColor();
addEventHander();
}
public void init(){
frame.setLayout(new BorderLayout());
JPanel northPanel = new JPanel();
JPanel centerPanel = new JPanel();
JPanel southPanel = new JPanel();
northPanel.setLayout(new FlowLayout());
centerPanel.setLayout(new GridLayout(4,4));
southPanel.setLayout(new FlowLayout());
northPanel.add(field);
for(int i=0;iallButtons.length;i++){
centerPanel.add(allButtons[i]);
}
southPanel.add(clearButton);
//southPanel.add(backButton);
frame.add(northPanel,BorderLayout.NORTH);
frame.add(centerPanel,BorderLayout.CENTER);
frame.add(southPanel,BorderLayout.SOUTH);
}
//设置输入字体
public void setFondAndColor(){
field.setFont(new Font("宋体",Font.BOLD,24));
field.setBackground(new Color(100,200,200));
field.setForeground(Color.RED);
//设置字体从右起始
field.setHorizontalAlignment(JTextField.RIGHT);
}
public void showMi(){
frame.pack();
frame.setResizable(false);
frame.setVisible(true);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
}
public void addEventHander(){
for(int i=0;iallButtons.length;i++){
allButtons[i].addActionListener(this);
}
clearButton.addActionListener(this);
// backButton.addActionListener(this);
}
@Override
public void actionPerformed(ActionEvent e) {
String str = e.getActionCommand();//取得当前事件返回的值
if("0123456789.".indexOf(str)!=-1){
if(x == 0){ //当x为0时表示还没有进行输入
result=str;
sb.append(str);
field.setText(str);
x = 1;
}
else if(x == 1){
result = result +str;
sb.append(str);
field.setText(result);
x = 1;
}
else if(x == 2){
sb.delete(0,sb.length());
result = result+str;
sb.append(str);
field.setText(result);
x = 1;
}
else if(x == 3){
result = str;
sb.delete(0,sb.length());
arrayList.clear();
field.setText(str);
sb.append(str);
field.setText(str);
x = 1;
}
else if(x == 4){
result ="";
sb.delete(0,sb.length());
arrayList.clear();
result = str;
sb.append(str);
field.setText(str);
x = 1;
}
else{
result = result +str;
sb.append(str);
field.setText(result);
x = 1;
}
}
else if("+*-/".indexOf(str)!=-1){
if(x == 0){
field.setText("");
x = 2;
}
else if(x == 1){
result = result + str;
arrayList.add(sb.toString());
arrayList.add(str);
sb.append(str);
field.setText(result);
x = 2;
}
else if(x == 2){
x = 2;
}
else if(x == 3){
field.setText(result+str);
arrayList.add(result);
arrayList.add(str);
result = result+str;
x = 2;
}
else if(x == 4){
result ="";
sb.delete(0,sb.length());
arrayList.clear();
x = 2;
}
else{
field.setText(result+str);
arrayList.add(result);
arrayList.add(str);
result = result+str;
x = 2;
}
}
else if("=".equals(str)){
if(x == 0){
field.setText("0");
arrayList.clear();
result = "0";
x = 3;
}
else if(x == 1){
try{
arrayList.add(sb.toString());
arrayList = getResult(arrayList);
result = arrayList.get(0);
field.setText(result);
arrayList.clear();
x = 3;
}catch(Exception e1){
field.setText("数据格式异常");
x = 0;
}
}
else if(x == 2){
field.setText("数据格式错误.....");
arrayList.clear();
x = 0;
}
else if(x == 3){
field.setText(result);
x = 3;
}
else if(x == 4){
result ="";
sb.delete(0,sb.length());
arrayList.clear();
x = 3;
}
else {
try{
arrayList.add(sb.toString());
arrayList = getResult(arrayList);
result = arrayList.get(0);
field.setText(result);
arrayList.clear();
x = 3;
}catch(Exception e1){
field.setText("数据格式异常");
x = 0;
}
}
}
else if("CLEAR".equals(str)){
arrayList.clear();
field.setText("0");
arrayList.add("0");
x = 4;
}
else{
if(result.length()1){
result = result.substring(0,result.length()-1);
if(sb.length()0){
sb.delete(sb.length()-1,sb.length());
}
else {
sb.delete(0,1);
}
field.setText(result);
x = 5;
}
else{
result = "";
sb.delete(0,sb.length());
arrayList.clear();
field.setText("0");
x = 0;
}
}
}
public static ArrayListString getResult(ArrayListString list){
String res = null;
String[] s = {"/","*","-","+"};
int i=0;
if(list.size()1){
for(;is.length;){
if(s[i].equals("/")){
for(int j=0;jlist.size();j++){
if(list.get(j).equals(s[i])){
res = Double.toString(Double.parseDouble(list.get(j-1))/Double.parseDouble(list.get(j+1)));
//本地的数据格式
NumberFormat nf = NumberFormat.getInstance();
res = nf.format(Double.parseDouble(res));
res = getChange(res);
list.set(j-1,res);
list.remove(j);
list.remove(j);
getResult(list);
}
}
i++;
}
else if(s[i].equals("*")){
for(int j=0;jlist.size();j++){
if(list.get(j).equals(s[i])){
res = Double.toString(Double.parseDouble(list.get(j-1))*Double.parseDouble(list.get(j+1)));
NumberFormat nf = NumberFormat.getInstance();
res = nf.format(Double.parseDouble(res));
res = getChange(res);
list.set(j-1,res);
list.remove(j);
list.remove(j);
getResult(list);
}
}
i++;
}
else if(s[i].equals("-")){
for(int j=0;jlist.size();j++){
if(list.get(j).equals(s[i])){
res = Double.toString(Double.parseDouble(list.get(j-1))-Double.parseDouble(list.get(j+1)));
NumberFormat nf = NumberFormat.getNumberInstance();
res = nf.format(Double.parseDouble(res));
res = getChange(res);
list.set(j-1,res);
list.remove(j);
list.remove(j);
getResult(list);
}
}
i++;
}
else {
for(int j=0;jlist.size();j++){
if(list.get(j).equals(s[i])){
res = Double.toString(Double.parseDouble(list.get(j-1))+Double.parseDouble(list.get(j+1)));
NumberFormat nf = NumberFormat.getInstance();
res = nf.format(Double.parseDouble(res));
res = getChange(res);
list.set(j-1,res);
list.remove(j);
list.remove(j);
getResult(list);
}
}
i++;
}
}
}
return list;
}
//对数字字符串进行排除不必要符号
public static String getChange(String res){
String s_temp = "";
char[] c = new char[res.length()];
for(int k=0;kc.length;k++){
c[k] = res.charAt(k);
}
for(int k=0;kc.length;k++){
if((c[k]= '0' c[k]= '9')|| c[k] == '.'){
s_temp += c[k];
}
}
return s_temp;
}
public static void main(String[] args){
new CalculatorA().showMi();
}
}
