python生成验证码

Posted 2020-12-29 zxf123

#encoding=utf-8
import random
# import matplotlib.pyplot as plt
import string
import sys
import math
from PIL import Image,ImageDraw,ImageFont,ImageFilter
filename="C:/Users/123/Desktop/yzm/"
#字体的位置，不同版本的系统会有不同BuxtonSketch.ttf
font_path = ‘C:/Windows/Fonts/Georgia.ttf‘
#font_path = ‘C:/Windows/Fonts/默陌肥圆手写体.ttf‘
#生成几位数的验证码
number = 4
#生成验证码图片的高度和宽度
size = (129,53)
#背景颜色，默认为白色
bgcolor = (255,255,255)
#字体颜色，默认为蓝色
fontcolor = (0,0,0)
#干扰线颜色。默认为红色
linecolor = (0,0,0)
#是否要加入干扰线
draw_line = True
#加入干扰线条数的上下限
line_number = (1,5)

#用来随机生成一个字符串
def gene_text():
    # source = list(string.letters)
    # for index in range(0,10):
    #     source.append(str(index))
    source = [‘0‘,‘1‘,‘2‘,‘3‘,‘4‘,‘5‘,‘6‘,‘7‘,‘8‘,‘9‘]
    # source = [ ‘A‘, ‘B‘, ‘C‘, ‘D‘, ‘E‘, ‘F‘, ‘G‘, ‘H‘,‘I‘,‘J‘, ‘K‘,‘L‘, ‘M‘, ‘N‘,‘O‘,‘P‘,‘Q‘,‘R‘,
    #           ‘S‘, ‘T‘, ‘U‘, ‘V‘, ‘W‘, ‘Z‘,‘X‘, ‘Y‘]
    return ‘‘.join(random.sample(source,number))#number是生成验证码的位数
#用来绘制干扰线
def gene_line(draw,width,height):
    # begin = (random.randint(0, width), random.randint(0, height))
    # end = (random.randint(0, width), random.randint(0, height))
    begin = (0, random.randint(0, height))
    end = (74, random.randint(0, height))
    draw.line([begin, end], fill = linecolor,width=3)

#生成验证码
def gene_code():
    width,height = size #宽和高
    image = Image.new(‘RGBA‘,(width,height),bgcolor) #创建图片
    font = ImageFont.truetype(font_path,40) #验证码的字体
    draw = ImageDraw.Draw(image)  #创建画笔
    text = gene_text() #生成字符串
    font_width, font_height = font.getsize(text)
    draw.text(((width - font_width) / number, (height - font_height) / number),text,            font= font,fill=fontcolor) #填充字符串
    if draw_line:
        gene_line(draw,width,height)
    image = image.transform((width+30,height+10), Image.AFFINE, (1,-0.3,0,-0.1,1,0),Image.BILINEAR)  #创建扭曲
    # image = image.transform((width+20,height+10), Image.AFFINE, (1,-0.3,0,-0.1,1,0),Image.BILINEAR)  #创建扭曲
    image = image.filter(ImageFilter.EDGE_ENHANCE_MORE) #滤镜，边界加强
    # a = str(m)
    aa = str(".png")
    path = filename + text + aa
    # cv2.imwrite(path, I1)
    # image.save(‘idencode.jpg‘) #保存验证码图片
    image.save(path)
x=1
# if __name__ == "__main__":
# for k in(1,1000):
while x<20:
     gene_code()
     x+=1