为啥要整这个

之前有想过，如果遇到特殊的节日，比如国庆、清明或者自己的生日，女朋友的生日

如果能一键切换主题的所有图片，肯定很有意思

而且女朋友比较排斥二次元orz，是本宅的错了

怎么整

看了看好像还没有人用js实现

而且本人也没学过js

看起来不太好实现的鸭子

那只能用咱会的办法

写了个python脚本，能够更换所有md文件中的cover词条，实现封面的手动切换

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path='~~~~~/source/_posts/'
files=[name for name in os.listdir( path ) if name.endswith('.md') ]
import sys,os
for file in files:
    with open(path+file, encoding='UTF8') as f:#我这里是utf-8编码，不一定所有人都是
        lines = f.readlines()
    begin=0
    count=0
    for line in lines:
        if line.startswith('---') and begin==0:#这里是防止正文里有cover开头的行也给误伤了
            begin=1
        elif line.startswith('---') and begin==1:
            break
        elif line.startswith('cover'):
            print(line)
            lines[count]='cover: '+imgs[numpy.random.randint(len(imgs))]+'\n'#加入自己的图片数组，这里用随机数是为了避免图集图片不够多
        count+=1
    f=open(path+file,'w', encoding='utf-8')
    f.writelines(lines)
    f.close()
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#图集数组(水墨画)
imgs=[
'https://pic.dogimg.com/2022/04/24/62652735d9300.jpg',
'https://pic.dogimg.com/2022/04/24/62652737efdd0.jpg',
'https://pic.dogimg.com/2022/04/24/62652738c28f7.jpg',
'https://pic.dogimg.com/2022/04/24/62652739b288a.jpg',
'https://pic.dogimg.com/2022/04/24/6265273a7be67.jpg',
'https://pic.dogimg.com/2022/04/24/62652739f3959.jpg',
'https://pic.dogimg.com/2022/04/24/6265273bb8831.jpg',
'https://pic.dogimg.com/2022/04/24/6265273c78754.jpg',
'https://pic.dogimg.com/2022/04/24/6265273cb9009.jpg',
'https://pic.dogimg.com/2022/04/24/6265273d7cec7.jpg',
'https://pic.dogimg.com/2022/04/24/6265273de65c3.jpg',
'https://pic.dogimg.com/2022/04/24/6265273e688ed.jpg',
'https://pic.dogimg.com/2022/04/24/6265273ec059e.jpg',
]

这里用的是一组水墨画的壁纸，已经经过压缩并且上传到了狗图来降低服务器的负荷

Group Image Gallery
水墨封面套图

水墨画还挺有意思的，文件存在了狗图上，此处文件经过了压缩

Group Image Gallery
wlop部分（压缩）

精选了一些适合做封面的，画风比较统一的

Group Image Gallery
地平线（压缩）

精选了一些适合做封面的，画风比较统一的

Group Image Gallery
原神（未压缩）

好看的OP图！

这里留下几套觉得不错的套图集，这样以后自己能随时来这查找代码，并且更换。

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# 这里是wlop的部分图（好像有的压坏了）
imgs=[
'https://pic.dogimg.com/2022/04/24/626530396da3b.jpg',
'https://pic.dogimg.com/2022/04/24/6265303971fe2.jpg',
'https://pic.dogimg.com/2022/04/24/6265303a46c3b.jpg',
'https://pic.dogimg.com/2022/04/24/6265303b1f960.jpg',
'https://pic.dogimg.com/2022/04/24/6265303b7f96e.jpg',
'https://pic.dogimg.com/2022/04/24/6265303ab08a1.jpg',
'https://pic.dogimg.com/2022/04/24/6265303d2b3f7.jpg',
'https://pic.dogimg.com/2022/04/24/6265303dcbb20.jpg',
'https://pic.dogimg.com/2022/04/24/6265303d52b2f.jpg',
'https://pic.dogimg.com/2022/04/24/6265303e4baee.jpg',
'https://pic.dogimg.com/2022/04/24/6265303eb3bd3.jpg',
'https://pic.dogimg.com/2022/04/24/6265303fba34c.jpg',
'https://pic.dogimg.com/2022/04/24/62653040101d6.jpg',
'https://pic.dogimg.com/2022/04/24/626530410a178.jpg',
'https://pic.dogimg.com/2022/04/24/6265304182f98.jpg',
'https://pic.dogimg.com/2022/04/24/62653042ebd29.jpg',
'https://pic.dogimg.com/2022/04/24/62653043ad5d6.jpg',
'https://pic.dogimg.com/2022/04/24/6265304459d51.jpg',
'https://pic.dogimg.com/2022/04/24/62652ff1b246a.png',
'https://pic.dogimg.com/2022/04/24/62652ff1703d0.png',
'https://pic.dogimg.com/2022/04/24/62652ff258ec8.png',
'https://pic.dogimg.com/2022/04/24/62652ff649c50.jpg',
'https://pic.dogimg.com/2022/04/24/62652ff49adda.jpg',
'https://pic.dogimg.com/2022/04/24/62652ff36be5c.jpg',
'https://pic.dogimg.com/2022/04/24/62652ff3de570.png',
'https://pic.dogimg.com/2022/04/24/62652ff6b1615.jpg',
'https://pic.dogimg.com/2022/04/24/62652ff7297d2.jpg',
'https://pic.dogimg.com/2022/04/24/62652ff798674.jpg',
'https://pic.dogimg.com/2022/04/24/62652ff8bfdcd.jpg',
'https://pic.dogimg.com/2022/04/24/62652ff2596fd.jpg',
'https://pic.dogimg.com/2022/04/24/62652ff4522e2.jpg',
'https://pic.dogimg.com/2022/04/24/6265309208476.jpg',
'https://pic.dogimg.com/2022/04/24/626530939fb48.jpg',
'https://pic.dogimg.com/2022/04/24/62653092e4e1a.jpg',
'https://pic.dogimg.com/2022/04/24/6265309317d72.jpg',
'https://pic.dogimg.com/2022/04/24/626530946d245.jpg',
'https://pic.dogimg.com/2022/04/24/62653094c2887.jpg',
'https://pic.dogimg.com/2022/04/24/62653097ac0e9.jpg',
'https://pic.dogimg.com/2022/04/24/62653095501c7.jpg',
'https://pic.dogimg.com/2022/04/24/62653097a6bff.jpg'
]
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# 这里是西之绝境的图，都是我玩游戏时截取的
imgs=[
'https://pic.dogimg.com/2022/04/24/626532f22f22f.jpg',
'https://pic.dogimg.com/2022/04/24/626532f2c1aac.jpg',
'https://pic.dogimg.com/2022/04/24/626532f3511fb.jpg',
'https://pic.dogimg.com/2022/04/24/626532f3cca0c.jpg',
'https://pic.dogimg.com/2022/04/24/626532f45718c.jpg',
'https://pic.dogimg.com/2022/04/24/626532f4e870d.jpg',
'https://pic.dogimg.com/2022/04/24/626532f6aa8f2.jpg',
'https://pic.dogimg.com/2022/04/24/626532f839b5f.jpg',
'https://pic.dogimg.com/2022/04/24/626532f905528.jpg',
'https://pic.dogimg.com/2022/04/24/626532f97692d.jpg',
'https://pic.dogimg.com/2022/04/24/626532fa6b8d0.jpg',
'https://pic.dogimg.com/2022/04/24/626532fb521cd.jpg',
'https://pic.dogimg.com/2022/04/24/626532fbb2077.jpg',
'https://pic.dogimg.com/2022/04/24/626532fc4b34f.jpg',
'https://pic.dogimg.com/2022/04/24/626532fd4e63a.jpg',
'https://pic.dogimg.com/2022/04/24/626532fe6e5c6.jpg',
'https://pic.dogimg.com/2022/04/24/626532ff0000e.jpg',
'https://pic.dogimg.com/2022/04/24/626532ff95523.jpg',
'https://pic.dogimg.com/2022/04/24/6265331142f18.jpg',
'https://pic.dogimg.com/2022/04/24/62653311cef68.jpg',
'https://pic.dogimg.com/2022/04/24/6265331238307.jpg',
'https://pic.dogimg.com/2022/04/24/6265335d82370.jpg',
'https://pic.dogimg.com/2022/04/24/626533602d5ca.jpg',
'https://pic.dogimg.com/2022/04/24/6265336124db3.jpg',
'https://pic.dogimg.com/2022/04/24/626533622b58d.jpg',
'https://pic.dogimg.com/2022/04/24/626533642bdb2.jpg',
'https://pic.dogimg.com/2022/04/24/62653364b7dfe.jpg',
'https://pic.dogimg.com/2022/04/24/62653366a6af5.jpg',
'https://pic.dogimg.com/2022/04/24/626533678bf1f.jpg',
'https://pic.dogimg.com/2022/04/24/626533673acac.jpg',
'https://pic.dogimg.com/2022/04/24/62653369a034a.jpg',
'https://pic.dogimg.com/2022/04/24/6265336a19edf.jpg',
'https://pic.dogimg.com/2022/04/24/6265336ab11d5.jpg',
'https://pic.dogimg.com/2022/04/24/6265336b5b6ff.jpg',
'https://pic.dogimg.com/2022/04/24/6265336c8761b.jpg',
'https://pic.dogimg.com/2022/04/24/6265336beeec4.jpg',
]
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#这里是OP的图，都是网图，但是好看呢！
imgs=[
'http://106.13.30.205:8322/i/2022/04/24/x3okak.jpg',
'http://106.13.30.205:8322/i/2022/04/24/x3oz0o.jpg',
'http://106.13.30.205:8322/i/2022/04/24/x3p6cd.jpg',
'http://106.13.30.205:8322/i/2022/04/24/x3p603.jpg',
'http://106.13.30.205:8322/i/2022/04/24/x3xw5x.jpg',
'http://106.13.30.205:8322/i/2022/04/24/x3xxrq.jpg',
'http://106.13.30.205:8322/i/2022/04/24/x3y87k.jpg',
'http://106.13.30.205:8322/i/2022/04/24/x3y6sc.jpg',
'http://106.13.30.205:8322/i/2022/04/24/x3yaj9.jpg',
'http://106.13.30.205:8322/i/2022/04/24/x3y9nd.jpg',
'http://106.13.30.205:8322/i/2022/04/24/x3ylpi.jpg',
'http://106.13.30.205:8322/i/2022/04/24/x3z1bb.jpg',
'http://106.13.30.205:8322/i/2022/04/24/x3z52g.jpg',
'http://106.13.30.205:8322/i/2022/04/24/x3ze3w.jpg',
'http://106.13.30.205:8322/i/2022/04/24/x3zkay.png',
'http://106.13.30.205:8322/i/2022/04/24/x3zx8s.jpg',
'http://106.13.30.205:8322/i/2022/04/24/x3zzef.jpg',
'http://106.13.30.205:8322/i/2022/04/24/x408cy.jpg',
'http://106.13.30.205:8322/i/2022/04/24/x40bj2.png',
'http://106.13.30.205:8322/i/2022/04/24/x4m772.png',
'http://106.13.30.205:8322/i/2022/04/24/x4mlfr.jpg',
'http://106.13.30.205:8322/i/2022/04/24/x4n39x.png',
'http://106.13.30.205:8322/i/2022/04/24/x4nq9m.jpg',
'http://106.13.30.205:8322/i/2022/04/24/x4o2xr.jpg',
'http://106.13.30.205:8322/i/2022/04/24/x4oju5.jpg',
'http://106.13.30.205:8322/i/2022/04/24/x4oud8.png',
'http://106.13.30.205:8322/i/2022/04/24/x4pda6.png',
'http://106.13.30.205:8322/i/2022/04/24/x4pu2z.jpg',
'http://106.13.30.205:8322/i/2022/04/24/x4qcwj.jpg',
'http://106.13.30.205:8322/i/2022/04/24/x4qqr0.png',
'http://106.13.30.205:8322/i/2022/04/24/x4r2dl.jpg',
'http://106.13.30.205:8322/i/2022/04/24/x4rsrr.jpg',
'http://106.13.30.205:8322/i/2022/04/24/x4rud5.jpg',
'http://106.13.30.205:8322/i/2022/04/24/x4sfyj.jpg',
'http://106.13.30.205:8322/i/2022/04/24/x4sl5z.png',
'http://106.13.30.205:8322/i/2022/04/24/x4szpv.jpg',
'http://106.13.30.205:8322/i/2022/04/24/x4taqb.jpg',
'http://106.13.30.205:8322/i/2022/04/24/x4tktd.jpg',
'http://106.13.30.205:8322/i/2022/04/24/x4tsgt.png',
'http://106.13.30.205:8322/i/2022/04/24/x4uvmv.jpg',
'http://106.13.30.205:8322/i/2022/04/24/x4vl8l.jpg',
'http://106.13.30.205:8322/i/2022/04/24/x54zff.jpg',
'http://106.13.30.205:8322/i/2022/04/24/x55x0p.jpg',
'http://106.13.30.205:8322/i/2022/04/24/x56l7u.png',
'http://106.13.30.205:8322/i/2022/04/24/x57jlh.jpg',
'http://106.13.30.205:8322/i/2022/04/24/x585qx.jpg',
'http://106.13.30.205:8322/i/2022/04/24/x58l6e.jpg',
]

后记

终于实现了封面自定义自由

以后女朋友查岗就提前换一下好了