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python3生成随机数实例

本文实例讲述了python3生成随机数的方法。分享给大家供大家参考。具体实现方法如下:该实例是根据一本书上看到过一个随机数的小程序,经过自己改动,变为了一个猜数字的小游戏,现在在python3下重写了一遍。

这是一个控制台下的猜数程序,winxp+python3.2+eric5和IDLE测试通过,但直接用winxp的命令行运行有问题,原因还未知,慢慢找。ubuntu+python3.1测试通过。

具体实现代码如下:

代码如下:立即学习“Python免费学习笔记(深入)

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# -*- coding: utf-8 -*-import Image,ImageDraw,ImageFont import random import math, string class RandomChar():"""用于随机生成汉字"""@staticmethod def Unicode():val = random.randint(0x4E00, 0x9FBF) return unichr(val)@staticmethod def GB2312():head = random.randint(0xB0, 0xCF) body = random.randint(0xA, 0xF) tail = random.randint(0, 0xF) val = ( head str = "%x" % val return str.decode('hex').decode('gb2312') class ImageChar():def __init__(self, fontColor = (0, 0, 0),size = (100, 40),fontPath = 'wqy.ttc',bgColor = (255, 255, 255),fontSize = 20):self.size = size self.fontPath = fontPath self.bgColor = bgColor self.fontSize = fontSize self.fontColor = fontColor self.font = ImageFont.truetype(self.fontPath, self.fontSize) self.image = Image.new('RGB', size, bgColor) def rotate(self):self.image.rotate(random.randint(0, 30), expand=0) def drawText(self, pos, txt, fill):draw = ImageDraw.Draw(self.image) draw.text(pos, txt, font=self.font, fill=fill) del draw def randRGB(self):return (random.randint(0, 255),random.randint(0, 255),random.randint(0, 255)) def randPoint(self):(width, height) = self.size return (random.randint(0, width), random.randint(0, height)) def randLine(self, num):draw = ImageDraw.Draw(self.image) for i in range(0, num):draw.line([self.randPoint(), self.randPoint()], self.randRGB()) del draw def randChinese(self, num):gap = 5 start = 0 for i in range(0, num):char = RandomChar().GB2312() x = start + self.fontSize * i + random.randint(0, gap) + gap * i self.drawText((x, random.randint(-5, 5)), RandomChar().GB2312(), self.randRGB()) self.rotate() self.randLine(18) def save(self, path):self.image.save(path)希望本文所述对大家的Python程序设计有所帮助。

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