图片验证码

标签：idt   数字   pil   技术   data   绘制   index   lower   info   

生成RBG三色

# 随机生成RGB的色彩值
def rgbcolor():
    red = random.randint(0,255)
    green = random.randint(0,255)
    blue = random.randint(0,255)
    return red,green,blue

生成随机的数据(子母、数字)

# 生成随机的子母（大写小写）和数字
def getRandomChar():
    random_num = str(random.randint(0, 9))
    random_lower = chr(random.randint(97, 122))  # 小写字母a~z
    random_upper = chr(random.randint(65, 90))  # 大写字母A~Z
    random_char = random.choice([random_num, random_lower, random_upper])
    return random_char

创建图片

生成背景图

rgb_color = rgbcolor()
# 创建一张随机的背景图片
img = Image.new(mode="RGB",size=(width,height),color=rgb_color)
print(img)
img.show()

随机的背景图

在背景图上绘制数据

def createCodeImage():
    background_color = rgbcolor()
    # 创建一张随机的背景图片
    img = Image.new(mode="RGB",size=(width,height),color=background_color)
    # 设置文字的字体
    font = ImageFont.truetype(font="ahellya.ttf",size=36)

    # 图片画笔进行绘制图片
    draw = ImageDraw.Draw(img)
    # 随机生成4位验证码
    for index in range(5):
        str_or_num = getRandomChar()
        text_color = rgbcolor()
        # 防止背景的颜色和字体的颜色一致
        while text_color == background_color:
            text_color = rgbcolor()
        draw.text((10+30*index,3),text=str_or_num,fill=text_color,font=font)

    img.show()

createCodeImage()

随机生成的验证码

添加干扰项（线条、点）

绘制线条

# 绘制线条
def create_line(draw):
    for i in range(10):
        x1 = random.randint(0,width)
        x2 = random.randint(0,width)
        y1 = random.randint(0,height)
        y2 = random.randint(0,height)
        draw.line((x1,y1,x2,y2),fill=rgbcolor(),width=2)

绘制点

# 绘制随机点
def create_point(draw):
    for i in range(50):
        x_point = random.randint(0,width)
        y_point = random.randint(0,height)
        draw.point((x_point,y_point),fill=rgbcolor())

代码总

# 图片验证码

import random
from PIL import Image, ImageDraw, ImageFont


# 生成随机的子母（大写小写）和数字
def getRandomChar():
    random_num = str(random.randint(0, 9))
    random_lower = chr(random.randint(97, 122))  # 小写字母a~z
    random_upper = chr(random.randint(65, 90))  # 大写字母A~Z
    random_char = random.choice([random_num, random_lower, random_upper])
    return random_char


# 随机生成RGB的色彩值
def rgbcolor():
    red = random.randint(0, 255)
    green = random.randint(0, 255)
    blue = random.randint(0, 255)
    return red, green, blue


# 创建图片的高度和宽度

width = 160
height = 50


# 绘制线条
def create_line(draw):
    for i in range(10):
        x1 = random.randint(0, width)
        x2 = random.randint(0, width)
        y1 = random.randint(0, height)
        y2 = random.randint(0, height)
        draw.line((x1, y1, x2, y2), fill=rgbcolor(), width=2)


# 绘制随机点
def create_point(draw):
    for i in range(50):
        x_point = random.randint(0, width)
        y_point = random.randint(0, height)
        draw.point((x_point, y_point), fill=rgbcolor())


def createCodeImage():
    background_color = rgbcolor()
    # 创建一张随机的背景图片
    img = Image.new(mode="RGB", size=(width, height), color=background_color)
    # 设置文字的字体
    font = ImageFont.truetype(font="ahellya.ttf", size=36)
    # 图片画笔进行绘制图片
    draw = ImageDraw.Draw(img)
    # 随机生成5位验证码
    str_data = ""
    for index in range(5):

        str_or_num = getRandomChar()
        text_color = rgbcolor()
        # 防止背景的颜色和字体的颜色一致
        while text_color == background_color:
            text_color = rgbcolor()

        draw.text((10 + 30 * index, 3), text=str_or_num, fill=text_color, font=font)
        str_data += str_or_num
    print(str_data)  # 生成的验证码
    create_line(draw)
    create_point(draw)
    img.show()


createCodeImage()

效果如下所示：

图片验证码

标签：idt   数字   pil   技术   data   绘制   index   lower   info   

原文地址：https://www.cnblogs.com/yangchangjie150330/p/11179995.html