itchat的基本使用：
（需要注意的一点是拼接好友头像导包的时候python3以上版本的需要导入Pillow，以下的导入PIL）
createImg.jpg
getsex.png
signature.png
import itchatimport osimport PIL.Image as Imagefrom os import listdirimport mathimport matplotlib.pyplot as pltimport randomfrom wordcloud import WordCloudimport reif __name__ == '__main__': # 登录
itchat.auto_login(hotReload=True)
friends = itchat.get_friends(update=True)[0:] # 发送信息
# for item friends:
# print(item)
# print(item['NickName'])
# number = 500
# while number:
# itchat.send_msg('', friends[20]['UserName'])
# number -= 1
# 爬取拼接图片
# user = friends[0]["UserName"]
#
# print(user)
#
# os.mkdir(user)
#
# num = 0
#
# for i in friends:
# img = itchat.get_head_img(userName=i["UserName"])
#
# fileImage = open(user + "/" + str(num) + ".jpg", 'wb')
#
# fileImage.write(img)
#
# fileImage.close()
#
# num += 1
#
# pics = listdir(user)
#
# numPic = len(pics)
#
# print(numPic)
#
# eachsize = int(math.sqrt(float(640 * 640) / numPic))
#
# print(eachsize)
#
# numline = int(640 / eachsize)
#
# toImage = Image.new('RGB', (640, 640))
#
# print(numline)
#
# x = 0
#
# y = 0
#
# for i in pics:
#
# try:
#
# # 打开图片
#
# img = Image.open(user + "/" + i)
#
# except IOError:
#
# print("Error: 没有找到文件或读取文件失败")
#
# else:
#
# # 缩小图片
#
# img = img.resize((eachsize, eachsize), Image.ANTIALIAS)
#
# # 拼接图片
#
# toImage.paste(img, (x * eachsize, y * eachsize))
#
# x += 1
#
# if x == numline:
# x = 0
#
# y += 1
#
# toImage.save(user + ".jpg")
#
# itchat.send_image(user + ".jpg", 'filehelper')
# 性别统计
# sex = dict()
# for f in friends:
# if f["Sex"] == 1: # 男
# sex["man"] = sex.get("man", 0) + 1
# elif f["Sex"] == 2: #女
# sex["women"] = sex.get("women", 0) + 1
# else: #未知
# sex["unknown"] = sex.get("unknown", 0) + 1
# # 柱状图展示
# for i, key in enumerate(sex):
# plt.bar(key, sex[key])
# plt.show()
# 获取词云
itchat.login()
friends = itchat.get_friends(update=True)
file = open('sign.txt', 'a', encoding='utf-8') for f in friends:
signature = f["Signature"].strip().replace("emoji", "").replace("span", "").replace("class", "")
rec = re.compile("1fd+w*|[<>/=]")
signature = rec.sub("", signature)
file.write(signature + "n")
# 生成词云图
def create_word_cloud(filename):
# 读取文件内容
text = open("{}.txt".format(filename), encoding='utf-8').read()
# 注释部分采用结巴分词
# wordlist = jieba.cut(text, cut_all=True)
# wl = " ".join(wordlist)
# 设置词云
wc = WordCloud( # 设置背景颜色
background_color="white", # 设置最大显示的词云数
max_words=2000, # 这种字体都在电脑字体中，window在C:WindowsFonts下，mac下可选/System/Library/Fonts/PingFang.ttc 字体
font_path='C:\Windows\Fonts\simfang.ttf',
height=500,
width=500, # 设置字体最大值
max_font_size=60, # 设置有多少种随机生成状态，即有多少种配色方案
random_state=30,
)
myword = wc.generate(text) # 生成词云 如果用结巴分词的话，使用wl 取代 text， 生成词云图
# 展示词云图
plt.imshow(myword)
plt.axis("off")
plt.show()
wc.to_file('signature.png') # 把词云保存下
create_word_cloud("sign")
作者：GHope
链接：https://www.jianshu.com/p/0664da7ae037
