按照你的要求編寫的Java程序如下：
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import?java.util.Scanner;
public?class?Test8?{
public?static?void?main(String[]?args)?{
Scanner?sc=new?Scanner(System.in);
System.out.println("請(qǐng)輸入一個(gè)正奇數(shù):");
final?int?N=sc.nextInt();
for(int?m=1;m=2*N;m+=2){
for?(int?i?=?1;?i?=2*N;?i+=2)?{
for(int?k=1;k=Math.abs(N-m);k+=2){
for?(int?j?=?1;?j?=?Math.abs(N-i);?j+=2)?{
System.out.print("?");
}
for?(int?j?=?1;?j?=N-?Math.abs(i-N);?j++)?{
System.out.print("?");
}
for?(int?j?=?1;?j?=?Math.abs(N-i);?j+=2)?{
System.out.print("?");
}
}
for(int?k=1;k=N-?Math.abs(m-N);k++){
for?(int?j?=?1;?j?=?Math.abs(N-i);?j+=2)?{
System.out.print("?");
}
for?(int?j?=?1;?j?=N-?Math.abs(i-N);?j++)?{
System.out.print("*");
}
for?(int?j?=?1;?j?=?Math.abs(N-i);?j+=2)?{
System.out.print("?");
}
}
System.out.println();
}
}
}
}
運(yùn)行結(jié)果：
請(qǐng)輸入一個(gè)正奇數(shù):
3
*
***
*
*? *? *
*********
*? *? *
*
***
*
package panel;
import java.awt.Color;
import java.awt.Font;
import java.awt.Graphics;
import javax.swing.JPanel;
import main.MainTank;
public class TipPanel extends JPanel implements Runnable{
/**
*
*/
private static final long serialVersionUID = 1L;
//偶數(shù)打印，畫面板
int time=0;
public void paintComponent(Graphics g){
super.paint(g);
g.fillRect(0, 0, MainTank.getWidthOfGame(), MainTank.getHeightOfGame());//繪制提示窗口
if (time%2==0){//偶數(shù)打印，畫面板，造成閃爍效果
g.setColor(Color.ORANGE);
Font font=new Font("華文楷體",Font.BOLD,30);
g.setFont(font);//選用字體
g.drawString("Ready", 140, 130);
}
}
@Override
public void run() {
while (true){
try{
Thread.sleep(250);
}catch (Exception e){
e.getMessage();
}
time++;//繪圖開關(guān)
this.repaint();
}
}
}//TipPanel
類似的，修改下就行
public class Test {
/**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub
//printStar();
printStar(10);
}
/**
* 無參數(shù)打印星星
*/
public static void printStar(){
for (int i = 1; i =4; i++) {
for (int j = 1; j =i; j++) {
System.out.print("*");
}
System.out.println("");
}
}
/**
* 有參數(shù)打印星星，輸入你想打印的行數(shù)
*/
public static void printStar(int row){
for (int i = 1; i =row; i++) {
for (int j = 1; j =i; j++) {
System.out.print("*");
}
System.out.println("");
}
}
}
public class A {
public void drow(int n){//n表示高度（打印的行數(shù)）
for(int i=n;i0;i--){
for(int j=i-1;j0;j--){//先打印i-1個(gè)空格
System.out.print(" ") ;
}
System.out.print("*") ;//打印第一個(gè)*
for(int j=2*(n-i)-1;j0;j--){//中間部分的空格
System.out.print(" ") ;
}
if(i!=ni!=1){//除了首尾兩行外每行中間的*
System.out.print("*") ;
}
for(int j=2*(i-1)-1;j0;j--){//右面部分的空格
System.out.print(" ") ;
}
System.out.println("*") ;//最后一個(gè)*
}
}
public static void main(String[] args){
A a = new A() ;
a.drow(3) ;//這里打印一個(gè)三層的
}
}
以下的代碼就可以，lz自己在*的地方填入星星的圖片就可以了
body bgcolor=#ee3300
style
.drop { position: absolute; width: 3; filter: flipV(), flipH(); font-size: 40; color: #ffffff }
/style
script language="javascript"
snow = false; // false-rain; true-snow
snowsym = " * " are the symbols for each
rainsym = " * " can put images here.
howmany = 20 many drops/snowflakes?
/**************Do not need to change anything below***********/
if(snow){sym = snowsym; speed=1; angle=10; drops=howmany}
else{sym = rainsym; speed=30; drops=howmany; angle=6}
movex = -speed/angle; movey = speed; count = 0;
function moverain(){
for(move = 0; move drops; move++){
xx[move]+=movex; yy[move]+=mv[move];
hmm = Math.round(Math.random()*1);
if(xx[move] 0){xx[move] = maxx+10;}
if(yy[move] maxy){yy[move] = 10;}
drop[move].left = xx[move]
drop[move].top = yy[move]+document.body.scrollTop;
}setTimeout('moverain()','1')}
/script
script language="javascript"
if (document.all){
drop = new Array(); xx = new Array(); yy = new Array(); mv = new Array()
ly = "document.all[\'"; st = "\'].style"
for(make = 0; make drops; make++){
document.write('div id="drop'+make+'" class=drop'+sym+'/div');
drop[make] = eval(ly+'drop'+make+st);
maxx = document.body.clientWidth-40
maxy = document.body.clientHeight-40
xx[make] = Math.random()*maxx;
yy[make] = -100-Math.random()*maxy;
drop[make].left = xx[make]
drop[make].top = yy[make]
mv[make] = (Math.random()*5)+speed/16;
drop[make].fontSize = (Math.random()*10)+20;
if(snow){col = 'white'}else{col = 'white'}
drop[make].color = col;
}
window.onload=moverain
}
/script
/body
這段代碼你參考一下?？梢赃\(yùn)行的package common;public class test {
public static void main(String[] args){
Pentagram pen = new Pentagram(10,0,' ','★');
Draw.printCanvas(pen.getPentagram());
}
}// Pentagram.java 五角星類
class Pentagram {
private final char FILL_CHAR; // 填充字符
private final char SPACE_CHAR; // 空檔字符
private final int R; // 五角星的外接圓半徑
private final float ROTATION; // 五角星逆時(shí)針旋轉(zhuǎn)角度
private final int X; // 用于生成畫圖數(shù)組
private final int Y; // 用于生成畫圖數(shù)組 /**
* 構(gòu)造一個(gè)Pentagram對(duì)象
*
* @param radius
* 五角星的半徑
* @param rotation
* 五角星的逆時(shí)針旋轉(zhuǎn)度數(shù)
* @param spaceChar
* 畫布上空白處填充字符
* @param fillChar
* 畫布上線條部分填充字符
*/
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 * R + 1;
this.Y = 2 * R + 1;
} public char[][] getPentagram() {
char[][] canvas = initCanvas();
Draw draw = new Draw(FILL_CHAR);
// 設(shè)五角星的最右邊的一個(gè)點(diǎn)為 A，逆時(shí)針選取點(diǎn) B~E
// 通過圓的極坐標(biāo)公式可以得出：
// 得出以下各點(diǎn)的坐標(biāo)
// A 點(diǎn)坐標(biāo)(0.951R, 0.309R)
// B 點(diǎn)坐標(biāo)(0, R)
// C 點(diǎn)坐標(biāo)(-0.951R, 0.309R)
// D 點(diǎn)坐標(biāo)(-0.588R, -0.809R)
// E 點(diǎn)坐標(biāo)(0.588R, -0.809R)
// 畫線段CA
draw.drawLine(mcos(162) * R, msin(162) * R, mcos(18) * R, msin(18) * R,
canvas);
// 畫線段DA
draw.drawLine(mcos(234) * R, msin(234) * R, mcos(18) * R, msin(18) * R,
canvas);
// 畫線段CE
draw.drawLine(mcos(162) * R, msin(162) * R, mcos(306) * R, msin(306)
* R, canvas);
// 畫線段DB
draw.drawLine(mcos(234) * R, msin(234) * R, mcos(90) * R, msin(90) * R,
canvas);
// 畫線段BE
draw.drawLine(mcos(90) * R, msin(90) * R, mcos(306) * R, msin(306) * R,
canvas);
return canvas;
} // 在方形的字符數(shù)組中指定兩點(diǎn)畫線條
// 對(duì)圖形數(shù)組進(jìn)行初始化，填充空格
private char[][] initCanvas() {
char[][] canvas = new char[Y][X];
for (int i = 0; i Y; i++) {
for (int j = 0; j X; j++) {
canvas[i][j] = SPACE_CHAR;
}
}
return canvas;
} // 根據(jù)角度求正弦值，保留兩位小數(shù)
private double msin(float a) {
return ((int) (Math.sin(Math.toRadians(a + ROTATION)) * 100)) / 100.0;
} // 根據(jù)角度求余弦值，保留兩位小數(shù)
private double mcos(float a) {
return ((int) (Math.cos(Math.toRadians(a + ROTATION)) * 100)) / 100.0;
}
}// Draw.java 畫圖工具類
class Draw {
private char fillChar; public Draw(char fillChar) {
this.fillChar = fillChar;
} /**
* 根據(jù)兩個(gè)點(diǎn)畫線在二維字符數(shù)組上畫線
*
* @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;
// 從 x 方向進(jìn)行填充
if (x1 x2) {
double t = x1;
x1 = x2;
x2 = t;
t = y1;
y1 = y2;
y2 = t;
}
// 獲得直線方程的兩個(gè)系數(shù)
double a = (y1 - y2) / (x1 - x2);
double b = y1 - a * x1;
// 根據(jù) x 方向的值求出 y 值，并填充圖形
for (int i = (int) Math.round(x1); i = (int) Math.round(x2); i++) {
// 根據(jù)直線方程 y = ax + b，求 y
int y = (int) Math.round(a * i + b);
// 因?yàn)?y 和 i 算出來的結(jié)果有可能是負(fù)數(shù)，
// 為了采用數(shù)組來表示坐標(biāo)，做了以下變換
// c[R][R] 即為坐標(biāo)原點(diǎn)
// c[R][0..R] 為 x 方向的負(fù)半軸
// c[R][R+1..2*R] 為 x 方向的正半軸
// c[0..R][R] 為 y 方向的正半軸
// c[R+1..2*R][R] 為 y 方向的負(fù)半軸
int yy = radius - y;
int xx = radius + i;
yy = yy 0 ? 0 : yy;
yy = yy 2 * radius ? 2 * radius : yy;
xx = xx 0 ? 0 : xx;
xx = xx 2 * radius ? 2 * radius : xx;
canvas[yy][xx] = fillChar;
}
// 從 y 方向進(jìn)行填充，便于減少間距問題產(chǎn)生的字符空檔
if (y1 y2) {
double t = x1;
x1 = x2;
x2 = t;
t = y1;
y1 = y2;
y2 = t;
}
// 根據(jù) y 方向的值求出 x 值，并填充圖形
for (int i = (int) Math.round(y1); i = (int) Math.round(y2); i++) {
// 根據(jù) x = (y - b) / a，求 x
int y = (int) Math.round((i - b) / a);
int yy = radius - i;
int xx = radius + y;
yy = yy 0 ? 0 : yy;
yy = yy 2 * radius ? 2 * radius : yy;
xx = xx 0 ? 0 : xx;
xx = xx 2 * radius ? 2 * radius : xx;
canvas[yy][xx] = fillChar;
}
} /**
* 將畫完圖之后的畫布輸出到控制臺(tái)上
*
* @param canvas
*/
public static void printCanvas(char[][] canvas){
for (int i = 0; i canvas.length; i++) {
for (int j = 0; j canvas[i].length; j++) {
System.out.print(canvas[i][j]);
}
System.out.println();
}
}
}
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