1.脚本篇
@echo off
color 0a
:start
set num=0
set "echos= "
:num
set /a a1=%random%%%3
if "%a1%" == "1" set "a1= "
if "%a1%" == "2" set "a1= "
if "%a1%" == "0" set /a a1=%random%%%2
set echos=%echos%%a1%
set /a num=%num%+1
if "%num%" == "75" echo %echos%&&goto :start
goto :num
%0
使用步骤:
1.新建文本文档,重命名将后面的txt改成bat
2.右键选择编辑,进入文件
3.复制粘贴代码,保存
4.双击打开运行
2.超文本篇
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<style type="text/css">
html,body{width: 100%;height: 100%;}
body{
background: #000;
overflow: hidden;
margin: 0;
padding: 0;
}
</style>
</head>
<body>
<canvas id="cvs"></canvas>
<script type="text/javascript">
var cvs = document.getElementById("cvs");
var ctx = cvs.getContext("2d");
var cw = cvs.width = document.body.clientWidth;
var ch = cvs.height = document.body.clientHeight;
//动画绘制对象
var requestAnimationFrame = window.requestAnimationFrame || window.mozRequestAnimationFrame || window.webkitRequestAnimationFrame || window.msRequestAnimationFrame;
var codeRainArr = []; //代码雨数组
var cols = parseInt(cw/14); //代码雨列数
var step = 16 ; //步长，每一列内部数字之间的上下间隔
ctx.font = "bold 26px microsoft yahei"; //声明字体，个人喜欢微软雅黑
function createColorCv() {
//画布基本颜色
ctx.fillStyle="#242424";
ctx.fillRect(0,0,cw,ch);
}
//创建代码雨
function createCodeRain() {
for (var n = 0; n < cols; n++) {
var col = [];
//基础位置，为了列与列之间产生错位
var basePos = parseInt(Math.random()*300);
//随机速度 3~13之间
var speed = parseInt(Math.random()*10)+3;
//每组的x轴位置随机产生
var colx = parseInt(Math.random()*cw)
//绿色随机
var rgbr= 0;
var rgbg= parseInt(Math.random()*255);
var rgbb= 0;
//ctx.fillStyle = "rgb("+r+','+g+','+b+")"
for (var i = 0; i < parseInt(ch/step)/2; i++) {
var code = {
x : colx,
y : -(step*i)-basePos,
speed : speed,
// text : parseInt(Math.random()*10)%2 == 0 ? 0 : 1 //随机生成0或者1
text : ["a","b","c","d","e","f","g","h","i","j","k","l","m","n","o","p","q","s","t","u","v","w","x","y","z"][parseInt(Math.random()*11)], //随机生成字母数组中的一个
color : "rgb("+rgbr+','+rgbg+','+rgbb+")"
}
col.push(code);
}
codeRainArr.push(col);
}
}
//代码雨下起来
function codeRaining(){
//把画布擦干净
ctx.clearRect(0,0,cw,ch);
//创建有颜色的画布
//createColorCv();
for (var n = 0; n < codeRainArr.length; n++) {
//取出列
col = codeRainArr[n];
//遍历列，画出该列的代码
for (var i = 0; i < col.length; i++) {
var code = col[i];
if(code.y > ch){
//如果超出下边界则重置到顶部
code.y = 0;
}else{
//匀速降落
code.y += code.speed;
}
//颜色也随机变化
//ctx.fillStyle = "hsl("+(parseInt(Math.random()*359)+1)+",30%,"+(50-i*2)+"%)";
//绿色逐渐变浅
//ctx.fillStyle = "hsl(123,30%,"+(30-i*2)+"%)";
//绿色随机
//var r= 0;
//var g= parseInt(Math.random()*255) + 3;
//var b= 0;
//ctx.fillStyle = "rgb("+r+','+g+','+b+")"
ctx.fillStyle = code.color;
//把代码画出来
ctx.fillText(code.text,code.x,code.y);
}
}
requestAnimationFrame(codeRaining);
}
//创建代码雨
createCodeRain();
//开始下雨吧 GO>>
requestAnimationFrame(codeRaining);
</script>
</body>
</html>
使用步骤:
1.新建文本文档,重命名将txt改成html
2.右键编辑,进入文档
3.复制粘贴代码,保存
4.双击打开运行
3.Java篇(需要Java环境)
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyAdapter;
import java.awt.event.KeyEvent;
import java.awt.image.MemoryImageSource;
import java.util.Random;
import javax.swing.JDialog;
import javax.swing.JPanel;
import javax.swing.Timer;
public class test extends JDialog implements ActionListener {
private Random random = new Random();
private Dimension screenSize;
private JPanel graphicsPanel;
//行高,列宽
private final static int gap = 20;
//存放雨点顶部的位置信息(marginTop)
private int[] posArr;
//行数
private int lines;
//列数
private int columns;
public test() {
initComponents();
}
private void initComponents() {
setLayout(new BorderLayout());
graphicsPanel = new GraphicsPanel();
add(graphicsPanel, BorderLayout.CENTER);
//设置光标不可见
Toolkit defaultToolkit = Toolkit.getDefaultToolkit();
Image image = defaultToolkit.createImage(new MemoryImageSource(0, 0, null, 0, 0));
Cursor invisibleCursor = defaultToolkit.createCustomCursor(image, new Point(0, 0), "cursor");
setCursor(invisibleCursor);
//ESC键退出
KeyPressListener keyPressListener = new KeyPressListener();
this.addKeyListener(keyPressListener);
//this.setAlwaysOnTop(true);
//去标题栏
this.setUndecorated(true);
//全屏
this.getGraphicsConfiguration().getDevice().setFullScreenWindow(this);
this.setDefaultCloseOperation(JDialog.DISPOSE_ON_CLOSE);
setVisible(true);
screenSize = Toolkit.getDefaultToolkit().getScreenSize();
lines = screenSize.height / gap;
columns = screenSize.width / gap;
posArr = new int[columns + 1];
random = new Random();
for (int i = 0; i < posArr.length; i++) {
posArr[i] = random.nextInt(lines);
}
//每秒10帧
new Timer(100, this).start();
}
/**
* @return 随机字符
*/
private char getChr() {
return (char) (random.nextInt(94) + 33);
}
@Override
public void actionPerformed(ActionEvent e) {
graphicsPanel.repaint();
}
private class GraphicsPanel extends JPanel {
@Override
public void paint(Graphics g) {
Graphics2D g2d = (Graphics2D) g;
g2d.setFont(getFont().deriveFont(Font.BOLD));
g2d.setColor(Color.BLACK);
g2d.fillRect(0, 0, screenSize.width, screenSize.height);
//当前列
int currentColumn = 0;
for (int x = 0; x < screenSize.width; x += gap) {
int endPos = posArr[currentColumn];
g2d.setColor(Color.CYAN);
g2d.drawString(String.valueOf(getChr()), x, endPos * gap);
int cg = 0;
for (int j = endPos - 15; j < endPos; j++) {
//颜色渐变
cg += 20;
if (cg > 255) {
cg = 255;
}
g2d.setColor(new Color(0, cg, 0));
g2d.drawString(String.valueOf(getChr()), x, j * gap);
}
//每放完一帧，当前列上雨点的位置随机下移1~5行
posArr[currentColumn] += random.nextInt(5);
//当雨点位置超过屏幕高度时，重新产生一个随机位置
if (posArr[currentColumn] * gap > getHeight()) {
posArr[currentColumn] = random.nextInt(lines);
}
currentColumn++;
}
}
}
private class KeyPressListener extends KeyAdapter {
@Override
public void keyPressed(KeyEvent e) {
if (e.getKeyCode() == KeyEvent.VK_ESCAPE) {
System.exit(0);
}
}
}
public static void main(String[] args) {
new test();
}
}
使用步骤:
1.如一二所示,建立Java文件
2.编译运行
4.c++篇
#include <stdio.h>
#include <time.h>
#include <Windows.h>
#include <graphics.h>
#define WIDTH 960
#define HEIGHT 640
#define STR_SIZE 20
#define STR_NUM 128
#define STR_WIDTH 15
typedef struct Rain
{
int x;
int y;
int speed;
TCHAR str[STR_SIZE];
}Rain;
Rain rain[STR_NUM];
// 随机生成一个字符
char CreateCh()
{
char ch = 0;
int flag = rand() % 3; // 0~2
if (flag == 0)
ch = rand() % 26 + 'a'; // 产生小写字母a~z
else if (flag == 1)
ch = rand() % 26 + 'A'; // 产生大写字母A~Z
else
ch = rand() % 10 + '0'; // 产生数字0~9
return ch;
}
// 初始化结构体成员
void InitRain()
{
// 初始化字符的位置和速度
for (int i = 0; i < STR_NUM; ++i)
{
rain[i].x = i * STR_WIDTH;
rain[i].y = rand() % HEIGHT;
rain[i].speed = rand() % 5 + 5;
}
// 获取随机字符填充进数组
for (int i = 0; i < STR_NUM; i++)
{
for (int j = 0; j < STR_SIZE; j++)
{
rain[i].str[j] = CreateCh();
}
}
}
// 输出到窗口中
void DrawRain()
{
cleardevice();
for (int i = 0; i < STR_NUM; i++)
{
for (int j = 0; j < STR_SIZE; j++)
{
outtextxy(rain[i].x, rain[i].y - STR_WIDTH * j, rain[i].str[j]);
settextcolor(RGB(0, 255 - j * 13, 0));
}
}
}
// 移动字符
void MoveRain()
{
for (int i = 0; i < STR_NUM; i++)
{
rain[i].y += rain[i].speed;
if (rain[i].y - STR_WIDTH * STR_SIZE > HEIGHT)
{
rain[i].y = 0;
}
}
}
// 随机改变字符
void ChangeCh()
{
for (int i = 0; i < STR_NUM; i++)
{
rain[rand() % STR_NUM].str[rand() % STR_SIZE] = CreateCh();
}
}
int main()
{
srand((unsigned int)time(NULL)); // 初始化随机数种子
initgraph(WIDTH, HEIGHT);
InitRain();
DWORD t1, t2;
t1 = GetTickCount();
t2 = t1;
while (1)
{
BeginBatchDraw(); // 双缓冲机制
DrawRain();
ChangeCh();
if (t2 - t1 > 20)
{
MoveRain();
t1 = t2;
}
t2 = GetTickCount();
EndBatchDraw();
}
getchar();
closegraph();
return 0;
}
5.python篇
import random
import pygame
from pygame.locals import *
from sys import exit
PANEL_width = 1920
PANEL_highly = 1080
FONT_PX = 20
pygame.init()
# 创建一个可是窗口
winSur = pygame.display.set_mode((PANEL_width, PANEL_highly), FULLSCREEN, 32)
font = pygame.font.SysFont("123.ttf", 25)
bg_suface = pygame.Surface((PANEL_width, PANEL_highly), flags=pygame.SRCALPHA)
pygame.Surface.convert(bg_suface)
bg_suface.fill(pygame.Color(0, 0, 0, 16))
winSur.fill((0, 0, 0))
# 数字版
# texts = [font.render(str(i), True, (0, 255, 0)) for i in range(10)]
# # 二进制版
# letter = ['1', '0', '1', '1', '1', '0', '0', '0', '1', '0', '1', '0', '1', '0', '0', '1', '1', '0', '0', '0', '1', '1'
# ,'1', '0', '1', '0', '0', '1', '0', '1']
# # 汉字版,你看不到字
# letter = ['我', '爱', '你', '我', '爱你', '我爱你', '我非常爱你', '我爱你', '我爱', '我', '爱', '你',
# '我爱你', '爱', '我', '爱你', '我', '我爱', '爱你', '你']
#
# 字母版
letter = ['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v'
,'w', 'x', 'y', 'z']
texts = [
font.render(str(letter[i]), True, (0, 255, 0)) for i in range(20)
]
# 按屏幕的宽带计算可以在画板上放几列坐标并生成一个列表
column = int(PANEL_width / FONT_PX)
drops = [0 for i in range(column)]
while True:
# 从队列中获取事件
for event in pygame.event.get():
if event.type == pygame.QUIT:
exit()
elif event.type == pygame.KEYDOWN:
chang = pygame.key.get_pressed()
if (chang[32]):
exit()
# 将暂停一段给定的毫秒数
pygame.time.delay(30)
# 重新编辑图像第二个参数是坐上角坐标
winSur.blit(bg_suface, (0, 0))
for i in range(len(drops)):
text = random.choice(texts)
# 重新编辑每个坐标点的图像
winSur.blit(text, (i * FONT_PX, drops[i] * FONT_PX))
drops[i] += 1
if drops[i] * 10 > PANEL_highly or random.random() > 0.95:
drops[i] = 0
pygame.display.flip()
有同学问到，怎么在手机上使用呀，现在就告诉大家
链接：https://pan.baidu.com/s/12eel9ARFw8xSts3nQljneg
提取码：x052
1．最简单的方法就是用HTML，在网盘下载之后会有一个叫做***代码雨.html***的文件，只需要用浏览器打开就可以了，如果出现打不开的情况，多尝试几遍，或者用不同的浏览器就好了。
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