最近需要做一個驗證碼的功能寥掐，在網(wǎng)上找了許多資料，都是一些靜態(tài)的驗證碼圖片汉额，即都是png或jpg的圖片曹仗。于是，借鑒網(wǎng)上的一些資料蠕搜，弄一個gif的驗證碼圖片怎茫，現(xiàn)分享給大家。

所需依賴如下：

pip3 install pillow
pip3 install imageio

完整代碼如下：

import os
import random
from io import BytesIO

import imageio
from PIL import Image
from PIL import ImageDraw
from PIL import ImageFont


class GifCodeImage(object):
    def __init__(self, width=150, height=30, code_count=4, font_size=32, point_count=20, line_count=3, frame_count=30):
        """

        :param width: 圖片寬度
        :param height: 圖片高度
        :param code_count: 驗證碼位數(shù)
        :param font_size: 字體大小
        :param point_count: 噪點數(shù)量
        :param line_count: 噪線數(shù)量
        :param frame_count: gif的幀數(shù)
        """
        self.width = width
        self.height = height
        self.code_count = code_count
        self.font_size = font_size
        self.point_count = point_count
        self.line_count = line_count
        self.frame_count = frame_count

    @staticmethod
    def get_random_color():
        """
        獲取一個隨機(jī)顏色(r,g,b)格式的
        :return:
        """
        c1 = random.randint(0, 255)
        c2 = random.randint(0, 255)
        c3 = random.randint(0, 255)
        return c1, c2, c3

    @staticmethod
    def get_random_str():
        """
        獲取一個隨機(jī)字符串妓灌，每個字符的顏色也是隨機(jī)的
        :return:
        """
        random_num = str(random.randint(0, 9))
        random_low_alpha = chr(random.randint(97, 122))
        random_upper_alpha = chr(random.randint(65, 90))
        random_char = random.choice([random_num, random_low_alpha, random_upper_alpha])
        return random_char

    def get_code_and_image(self):
        """
        生成驗證碼與動畫幀數(shù)
        :return:
        """
        code_str_list = []
        for _ in range(self.code_count):
            s = self.get_random_str()
            code_str_list.append(s)

        bg_color = self.get_random_color()

        frame_list = []
        for item in range(self.frame_count):
            image = Image.new('RGB', (self.width, self.height), bg_color)
            draw = ImageDraw.Draw(image)

            path = os.path.join(os.getcwd(), "cabourgot-bold.otf")
            font = ImageFont.truetype(path, size=self.font_size)

            for i, code in enumerate(code_str_list):
                v = random.randint(-7, 2)
                x = random.randint(14, 22)
                draw.text((x + i * 30, v), code, self.get_random_color(), font=font)

            # 噪點噪線
            # 劃線
            for i in range(self.line_count):
                x1 = random.randint(0, self.width)
                x2 = random.randint(0, self.width)
                y1 = random.randint(0, self.height)
                y2 = random.randint(0, self.height)
                draw.line((x1, y1, x2, y2), fill=self.get_random_color())

            # 畫點
            for i in range(self.point_count):
                draw.point([random.randint(0, self.width), random.randint(0, self.height)],
                           fill=self.get_random_color())
                x = random.randint(0, self.width)
                y = random.randint(0, self.height)
                draw.arc((x, y, x + 4, y + 4), 0, 90, fill=self.get_random_color())

            f = BytesIO()
            image.save(f, "png")
            data = f.getvalue()
            f.close()

            data = imageio.imread(data, format="png")
            frame_list.append(data)

        return frame_list, "".join(code_str_list)


if __name__ == "__main__":
    img = GifCodeImage()
    frame_list, code_str = img.get_code_and_image()
    imageio.mimsave("code.gif", frame_list, 'GIF', duration=0.35)
    print(code_str)

不多說轨蛤，效果如下：

code.gif