java星空简单代码星空代码html _value

求编写一个超级简单的Java的程序源代码import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
class ConstructFrame extends JFrame
{
private static final long serialVersionUID = 1L;
String value1="",result,value2="";
int flag=0,fix=0,sum=1;
Booleanhappy;
JTextField text=new JTextField(30);
int flagsum=0;
Container c=getContentPane();
JButton buttonx;
ConstructFrame()
{super("计算器");
c.setLayout(null);
c.setBackground(Color.blue);
this.setSize(400, 400);
c.add(text);
text.setHorizontalAlignment(JTextField.RIGHT);
final JButton buttonx=new JButton("BackSpace");
c.add(buttonx);
buttonx.addMouseListener(new MouseAdapter()
{
public void mousePressed(MouseEvent e)
{
int count=0;
String temp;
if(flag==0)
{
count=value1.length();
if(count!=1)
temp=value1.substring(0, count-1);
else
temp="0";
value1=temp;
}
else
{
count=value2.length();
if(count!=1)
temp=value2.substring(0, count-1);
else
temp="0";
value2=temp;
}
text.setText(temp);
}
});
final JButton buttony=new JButton("CE");
c.add(buttony);
buttony.addMouseListener(new MouseAdapter()
{
public void mousePressed(MouseEvent e)
{
value1="";
value2="";
flag=0;
text.setText("0");
}
});
final JButton button1=new JButton("1");
c.add(button1);
button1.addMouseListener(new MouseAdapter()
{
public void mousePressed(MouseEvent e)
{
String temp;
if(flag==0)
{
value1=value1 1;
temp=value1;
}
else
{
value2=value2 1;
temp=value2;
}
text.setText(temp);
}
});
final JButton button2=new JButton(" 2 ");
c.add(button2);
button2.addMouseListener(new MouseAdapter()
{
public void mousePressed(MouseEvent e)
{
String temp;
if(flag==0)
{
value1=value1 2;
temp=value1;
}
else
{
value2=value2 2;
temp=value2;
}
text.setText(temp);
}
});
final JButton button3=new JButton("3");
c.add(button3);
button3.addMouseListener(new MouseAdapter()
{
public void mousePressed(MouseEvent e)
{
String temp;
if(flag==0)
{
value1=value1 3;
temp=value1;
}
else
{
value2=value2 3;
temp=value2;
}
text.setText(temp);
}
});
final JButton button4=new JButton("4");
c.add(button4);
button4.addMouseListener(new MouseAdapter()
{
public void mousePressed(MouseEvent e)
{
String temp;
if(flag==0)
{
value1=value1 4;
temp=value1;
}
else
{
value2=value2 4;
temp=value2;
}
text.setText(temp);
}
});
final JButton button5=new JButton("5");
c.add(button5);
button5.addMouseListener(new MouseAdapter()
{
public void mousePressed(MouseEvent e)
{
String temp;
if(flag==0)
{
value1=value1 5;
temp=value1;
}
else
{
value2=value2 5;
temp=value2;
}
text.setText(temp);
}
});
final JButton button6=new JButton("6");
c.add(button6);
button6.addMouseListener(new MouseAdapter()
{
public void mousePressed(MouseEvent e)
{
String temp;
if(flag==0)
{
value1=value1 6;
temp=value1;
}
else
{
value2=value2 6;
temp=value2;
}
text.setText(temp);
}
});
final JButton button7=new JButton("7");
c.add(button7);
button7.addMouseListener(new MouseAdapter()
{
public void mousePressed(MouseEvent e)
{
String temp;
if(flag==0)
{
value1=value1 7;
temp=value1;
}
else
{
value2=value2 7;
temp=value2;
}
text.setText(temp);
}
});
final JButton button8=new JButton("8");
c.add(button8);
button8.addMouseListener(new MouseAdapter()
{
public void mousePressed(MouseEvent e)
{
String temp;
if(flag==0)
{
value1=value1 8;
temp=value1;
}
else
{
value2=value2 8;
temp=value2;
}
text.setText(temp);
}
});
final JButton button9=new JButton("9");
c.add(button9);
button9.addMouseListener(new MouseAdapter()
{
public void mousePressed(MouseEvent e)
{
String temp;
if(flag==0)
{
value1=value1 9;
temp=value1;
}
else
{
value2=value2 9;
temp=value2;
}
text.setText(temp);
}
});
final JButton button0=new JButton("0");
c.add(button0);
button0.addMouseListener(new MouseAdapter()
{
public void mousePressed(MouseEvent e)
{
String temp;
if(flag==0)
{
value1=value1 0;
temp=value1;
}
else
{
value2=value2 0;
temp=value2;
}
text.setText(temp);
}
});
final JButton buttonadd=new JButton("");
c.add(buttonadd);
buttonadd.addMouseListener(new MouseAdapter()
{
public void mousePressed(MouseEvent e)
{
flag=1;
fix=1;
flagsum=0;
}
});
final JButton buttonsubtract=new JButton(" - ");
c.add(buttonsubtract);
buttonsubtract.addMouseListener(new MouseAdapter()
{
public void mousePressed(MouseEvent e)
{
flag=1;
fix=2;
flagsum=0;
}
});
final JButton buttoncheng=new JButton(" * ");
c.add(buttoncheng);
buttoncheng.addMouseListener(new MouseAdapter()
{
public void mousePressed(MouseEvent e)
{
flag=1;
fix=3;
flagsum=0;
}
});
final JButton buttonchu=new JButton(" / ");
c.add(buttonchu);
buttonchu.addMouseListener(new MouseAdapter()
{
public void mousePressed(MouseEvent e)
{
flag=1;
flagsum=0;
fix=4;
}
});
final JButton buttonequal=new JButton(" = ");
c.add(buttonequal);
buttonequal.addMouseListener(new MouseAdapter()
{
public void mousePressed(MouseEvent e)
{
double temp1,temp2;
double temp=0;
flagsum=0;
temp1=Double.parseDouble(value1);
temp2=Double.parseDouble(value2);
flag=0;
switch(fix)
{
case 1: temp=temp1 temp2;break;
case 2: temp=temp1-temp2;break;
case 3: temp=temp1*temp2;break;
case 4: temp=temp1/temp2;break;
}
result=Double.valueOf(temp).toString();
value1=result;
value2="";
flag=1;
text.setText(result);
}
});
final JButton buttonpoint=new JButton(".");
c.add(buttonpoint);
buttonpoint.addMouseListener(new MouseAdapter()
{
public void mousePressed(MouseEvent e)
{if(flagsum==0)
{
String temp;
if(flag==0 )
{
value1=value1 ".";
temp=value1;
}
else
{
value2=value2 ".";
temp=value2;
}
flagsum=1;
text.setText(temp);
}
}
});
JButton buttonz=new JButton("Start");
c.add(buttonz);
buttonz.addMouseListener(new MouseAdapter()
{
public void mousePressed(MouseEvent e)
{if(sum%2==1)
{
happy=true;
text.setText("0.");
flag=0;
}
else
{
happy=false;
value1="";
value2="";
【java星空简单代码星空代码html】text.setText("");
}
text.setEnabled(happy);
button1.setEnabled(happy);
button2.setEnabled(happy);
button3.setEnabled(happy);
button4.setEnabled(happy);
button5.setEnabled(happy);
button6.setEnabled(happy);
button7.setEnabled(happy);
button8.setEnabled(happy);
button9.setEnabled(happy);
button0.setEnabled(happy);
buttonx.setEnabled(happy);
buttony.setEnabled(happy);
buttonadd.setEnabled(happy);
buttonsubtract.setEnabled(happy);
buttonpoint.setEnabled(happy);
buttonequal.setEnabled(happy);
buttoncheng.setEnabled(happy);
buttonchu.setEnabled(happy);
sum;
}
});
button1.setEnabled(false);
button2.setEnabled(false);
button3.setEnabled(false);
button4.setEnabled(false);
button5.setEnabled(false);
button6.setEnabled(false);
button7.setEnabled(false);
button8.setEnabled(false);
button9.setEnabled(false);
button0.setEnabled(false);
buttonx.setEnabled(false);
buttony.setEnabled(false);
buttonadd.setEnabled(false);
buttonsubtract.setEnabled(false);
buttonpoint.setEnabled(false);
buttonequal.setEnabled(false);
buttoncheng.setEnabled(false);
buttonchu.setEnabled(false);
text.setEnabled(false);
text.setBounds(20, 20, 200, 40);
buttonx.setBounds(20, 60,100, 40);
buttony.setBounds(140, 60,100, 40);
buttonz.setBounds(260, 60,80, 40);
button1.setBounds(20, 120,60, 40);
button2.setBounds(100, 120,60, 40);
button3.setBounds(180, 120,60, 40);
buttonadd.setBounds(260, 120,60, 40);
button4.setBounds(20, 180,60, 40);
button5.setBounds(100, 180,60, 40);
button6.setBounds(180, 180,60, 40);
buttonsubtract.setBounds(260, 180,60, 40);
button7.setBounds(20, 240,60, 40);
button8.setBounds(100, 240,60, 40);
button9.setBounds(180, 240,60, 40);
buttoncheng.setBounds(260,240,60,40);
button0.setBounds(20, 300,60, 40);
buttonpoint.setBounds(100, 300, 60, 40);
buttonequal.setBounds(180,300,60, 40);
buttonchu.setBounds(260, 300,60, 40);
setVisible(true);
}
class MYMouseEvent extends MouseAdapter
{
public void mousePressed(MouseEvent e)
{
value1=e.toString();
text.setText(value1);
}
}
}
class Calutator
{
public static void main(String[] args)
{
newConstructFrame();
}
}
java星空简单代码你自己慢慢java星空简单代码的看吧java星空简单代码！
java中五角星怎么用代码去打=========以下代码抄java星空简单代码的
import java.awt.*;
import javax.swing.*;
public class WuJiaoXing extends JPanel {
private static final long serialVersionUID = 1L;
private JFrame frame = null;
private int r = 150; // 外顶点外接圆半径
private int[] x = new int[5]; // 5个X外顶点坐标
private int[] y = new int[5]; // 5个Y外顶点坐标
private int[] x_ = new int[5]; // 5个X内顶点坐标
private int[] y_ = new int[5]; // 5个Y内顶点坐标
public WuJiaoXing() {
this.math();
frame = new JFrame("五角星");
frame.getContentPane().add(this);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setSize(500,500);
frame.setLocation(200, 200);
frame.setVisible(true);
}
private void math() {
int c = 360 / 5; // 角度
for (int i = 0; i5; i) {
x[i] = (int) (Math.cos(i * c * Math.PI / 30 - Math.PI / 2) * (r)r);
y[i] = (int) (Math.sin(i * c * Math.PI / 30 - Math.PI / 2) * (r)r);
}
int r_ = (int) (r * Math.sin(18 * Math.PI / 180) / Math
.sin(126 * Math.PI / 180)); // 内顶点外接圆半径
for (int i = 0; i5; i) {
x_[i] = (int) (Math.cos((i * c18) * Math.PI / 30 - Math.PI / 2)
* (r_)r);
y_[i] = (int) (Math.sin((i * c18) * Math.PI / 30 - Math.PI / 2)
* (r_)r);
}
}
public void paint(Graphics g) {
super.paint(g);
g.setColor(Color.YELLOW);
// g.setBackground(Color.RED);
// 填充
int[] x1 = { x[0], x[2], x_[2] };
int[] y1 = { y[0], y[2], y_[2] };
int[] x2 = { x[1], x[3], x_[3] };
int[] y2 = { y[1], y[3], y_[3] };
int[] x3 = { x[2], x[4], x_[4] };
int[] y3 = { y[2], y[4], y_[4] };
g.fillPolygon(x1, y1, 3);
g.fillPolygon(x2, y2, 3);
g.fillPolygon(x3, y3, 3);
// 描边
// g.setColor(Color.BLACK);
// g.drawLine(x[0], y[0], x[2], y[2]);
// g.drawLine(x[0], y[0], x[3], y[3]);
// g.drawLine(x[1], y[1], x[3], y[3]);
// g.drawLine(x[1], y[1], x[4], y[4]);
// g.drawLine(x[2], y[2], x[4], y[4]);
// g.drawLine(x[2], y[2], x[0], y[0]);
}
public static void main(String[] args) {
new WuJiaoXing();
}
}
第二种java星空简单代码，用控制台
class Pentagram {
private final char FILL_CHAR;// 填充字符
private final char SPACE_CHAR;// 空档字符
private final int R;// 五角星的外接圆半径
private final float ROTATION;// 五角星逆时针旋转角度
private final int X;// 用于生成画图数组
private final int Y;// 用于生成画图数组
/**
* 构造一个Pentagram对象
*
* @param radius
*五角星的半径
* @param rotation
*五角星的逆时针旋转度数
* @param spaceChar
*画布上空白处填充字符
* @param fillChar
*画布上线条部分填充字符
*/
public Pentagram(int radius, float rotation, char spaceChar, char fillChar) {
this.R = radius;
this.ROTATION = rotation;
this.FILL_CHAR = fillChar;
this.SPACE_CHAR = spaceChar;
this.X = 2 * R1;
this.Y = 2 * R1;
}
public char[][] getPentagram() {
char[][] canvas = initCanvas();
Draw draw = new Draw(FILL_CHAR);
// 设五角星的最右边的一个点为 A，逆时针选取点 B~E
// 通过圆的极坐标公式可以得出java星空简单代码：
// 得出以下各点的坐标
// A 点坐标(0.951R, 0.309R)
// B 点坐标(0, R)
// C 点坐标(-0.951R, 0.309R)
// D 点坐标(-0.588R, -0.809R)
// E 点坐标(0.588R, -0.809R)
// 画线段CA
draw.drawLine(mcos(162) * R, msin(162) * R, mcos(18) * R, msin(18) * R, canvas);
// 画线段DA
draw.drawLine(mcos(234) * R, msin(234) * R, mcos(18) * R, msin(18) * R, canvas);
// 画线段CE
draw.drawLine(mcos(162) * R, msin(162) * R, mcos(306) * R, msin(306) * R, canvas);
// 画线段DB
draw.drawLine(mcos(234) * R, msin(234) * R, mcos(90) * R, msin(90) * R, canvas);
// 画线段BE
draw.drawLine(mcos(90) * R, msin(90) * R, mcos(306) * R, msin(306) * R, canvas);
return canvas;
}
// 在方形的字符数组中指定两点画线条
// 对图形数组进行初始化，填充空格
private char[][] initCanvas() {
char[][] canvas = new char[Y][X];
for (int i = 0; iY; i) {
for (int j = 0; jX; j) {
canvas[i][j] = SPACE_CHAR;
}
}
return canvas;
}
// 根据角度求正弦值，保留两位小数
private double msin(float a) {
return ((int) (Math.sin(Math.toRadians(aROTATION)) * 100)) / 100.0;
}
// 根据角度求余弦值，保留两位小数
private double mcos(float a) {
return ((int) (Math.cos(Math.toRadians(aROTATION)) * 100)) / 100.0;
}
}
class Draw {
private char fillChar;
public Draw(char fillChar) {
this.fillChar = fillChar;
}
/**
* 根据两个点画线在二维字符数组上画线
*
* @param x1
* @param y1
* @param x2
* @param y2
* @param canvas
*/
public void drawLine(double x1, double y1, double x2, double y2, char[][] canvas) {
int radius = (canvas.length - 1) / 2;
// 从 x 方向进行填充
if (x1x2) {
double t = x1;
x1 = x2;
x2 = t;
t = y1;
y1 = y2;
y2 = t;
}
// 获得直线方程的两个系数
double a = (y1 - y2) / (x1 - x2);
double b = y1 - a * x1;
// 根据 x 方向的值求出 y 值，并填充图形
for (int i = (int) Math.round(x1); i = (int) Math.round(x2); i) {
// 根据直线方程 y = axb，求 y
int y = (int) Math.round(a * ib);
// 因为 y 和 i 算出来的结果有可能是负数，
// 为了采用数组来表示坐标，做了以下变换
// c[R][R] 即为坐标原点
// c[R][0..R] 为 x 方向的负半轴
// c[R][R 1..2*R] 为 x 方向的正半轴
// c[0..R][R] 为 y 方向的正半轴
// c[R 1..2*R][R] 为 y 方向的负半轴
int yy = radius - y;
int xx = radiusi;
yy = yy0 ? 0 : yy;
yy = yy2 * radius ? 2 * radius : yy;
xx = xx0 ? 0 : xx;
xx = xx2 * radius ? 2 * radius : xx;
canvas[yy][xx] = fillChar;
}
// 从 y 方向进行填充，便于减少间距问题产生的字符空档
if (y1y2) {
double t = x1;
x1 = x2;
x2 = t;
t = y1;
y1 = y2;
y2 = t;
}
// 根据 y 方向的值求出 x 值，并填充图形
for (int i = (int) Math.round(y1); i = (int) Math.round(y2); i) {
// 根据 x = (y - b) / a，求 x
int y = (int) Math.round((i - b) / a);
int yy = radius - i;
int xx = radiusy;
yy = yy0 ? 0 : yy;
yy = yy2 * radius ? 2 * radius : yy;
xx = xx0 ? 0 : xx;
xx = xx2 * radius ? 2 * radius : xx;
canvas[yy][xx] = fillChar;
}
}
/**
* 将画完图之后的画布输出到控制台上
*
* @param canvas
*/
public static void printCanvas(char[][] canvas) {
for (int i = 0; icanvas.length; i) {
for (int j = 0; jcanvas[i].length; j) {
System.out.print(canvas[i][j]);
}
System.out.println();
}
}
}
public class Test {
public static void main(String[] args) {
// 画一个半径为10，旋转为0 ，空白为全身空格，填充为

java星空简单代码星空代码html

推荐阅读

剑侠世界手游浴火争锋副本怎么玩剑侠世界手游浴火争锋副本玩法攻略

奥密克戎核酸几次确诊

2023年武汉生育津贴新规是什么

菱角煲汤需要去皮吗

实体机怎么安装服务器系统

地图软件下载，哪里有下载地图的

g华为「折叠屏」新机曝光！上下内折机身更小巧，5G即将回归

柿子怎么去涩味怎样去除柿子的涩味

三菱空调显示r8怎么解决处理方法,科普时间到了

乌鸡蛋孵化温度、湿度是多少孵化乌鸡蛋时的温度和湿度

高标准基本农田建设项目，农田建设属于什么类别工程

为什么微信号越久越值钱微信怎么注销实名认证，转账记录彻底删除警察怎么查

刑法拐骗儿童罪规定的定罪量刑档次是怎样的

为什么最近网上被骗财骗色的妇女这么多？

二月二龙抬头的习俗

大金空调风管机不制冷什么原因 5p大金吊顶空调不制冷处理方法

华为手机|华为天降大任于斯,何时才能真正成为行业领头羊呢

vanke是什么牌子 vanke是什么牌子手表

梦幻西游手游点修修炼全面详解攻略介绍

Win7系统提示打印机驱动正在使用无法删除怎么办？

java星空简单代码 星空代码html

推荐阅读

java星空简单代码星空代码html