微信群「斗图」总输，用Python教你做最靓的仔！！！

谁借莪１个温暖的怀抱￠ 2022-08-28 03:50 170阅读 0赞

![6413a9f9524799f62b62551f1046770d.png][]

本文转自：数据分析与统计学之美

## 微信斗图 ##

微信斗图，大家最喜欢的就是发布Gif动图了。**它的原理其实很简单**，就是一帧一帧的图片拼接在一起，组合而成的。当他们来回切换的速度很快时，就相当于在看电影。

**假如有这样一组图片：**

![bdd99b73a19e6ba84144d861f5c95dd8.png][]

**如果制作完成后，是这样的：**

![49288bfb58230e6df14d5e9a3f5c234d.gif][]

还是挺有意思的，如果换成你女友的照片，制作后发给她，肯定对你很崇拜。

## 制作过程 ##

整个制作流程很简单，共分为7步。

这里首先导入需要使用的2个库。

import os
    import imageio

#### 1. 获取当前的工作路径 ####

path = os.getcwd()
    print(path)

结果如下：

![9c13fe304ac32412d26b2b7111f1cac9.png][]

#### 2. 获取当前工作路径下的文件列表 ####

file_list = os.listdir(path)
    print(file_list)

结果如下：

![978c2f07fb5b9048b5e5f6975e358b2f.png][]

#### 3. 复制一个列表 ####

这里介绍的是列表的copy()方法，大家可以自行下去对比学习它与deepcopy()方法的区别。

png_list = file_list.copy()
    print(png_list)

结果如下：

![c161927435cfb2d711d20bd6786701f0.png][]

#### 4. 只保留结尾都是jpg的文件 ####

如果你的图片既有jpg，又有png，就需要你在这里加一个判断。

for file in file_list:
        if file[-3:]!= "jpg":
            png_list.remove(file)
    print(png_list)

结果如下：

![20a6719267e0e548f8b4e0e023047559.png][]

#### 5. 将图片文件中的数字，升序排列 ####

可以看到，我这里文件的数字都是1-7排列好的，升序排列后，数字较小的图片，位于gif动态图的最前面。

jpg_list.sort(key=lambda x: float(x[:-4]))
    jpg_list

结果如下：

![538c759a265c2338b2bacd3a5ab51378.png][]

#### 6. 拼接得到每张图片的绝对路径 ####

for jpg in jpg_list:
        image_path = os.path.join(path, jpg)
        print(image_path)

结果如下：

![dbc9df9cdf133399311e8dc45598754d.png][]

#### 7. 获取每张照片的RGB通道值，将7张照片的RGB通道值，保存在列表中 ####

frames = []
    for jpg in jpg_list:
        image_path = os.path.join(path, jpg)
        frames.append(imageio.imread(image_path))
    print(len(frames))

结果如下：

![e3482d2e5b9e6903677b6530875960ff.png][]

#### 8. 将图片保存为gif图，设置了切换时间 ####

gif_path = os.path.join(path, "my_gif.gif")
    imageio.mimsave(gif_path, frames, 'GIF', duration=0.2)

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