matplotlib绘制条形图

Posted 2020-12-08 kmirror

1. 普通条形图

import numpy as np
import matplotlib.pyplot as plt
from matplotlib import font_manager

my_font = font_manager.FontProperties(fname=r‘C:/Windows/Fonts/simkai.ttf‘)  # 设置字体

a = ["战狼2", "速度与激情8", "功夫瑜伽", "西游伏妖篇", "变形金刚5：
最后的骑士", "摔跤吧！爸爸", "加勒比海盗5：
死无对证", "金刚：
骷髅岛", "极限特工：
终极回归",
     "生化危机6：
终章", "乘风破浪", "神偷奶爸3", "智取威虎山", "大闹天竺", "金刚狼3：
殊死一战", "蜘蛛侠：
英雄归来", "悟空传", "银河护卫队2", "情圣", "新木乃伊", ]

b = [56.01, 26.94, 17.53, 16.49, 15.45, 12.96, 11.8, 11.61, 11.28, 11.12, 10.49, 10.3, 8.75, 7.55, 7.32, 6.99, 6.88,
     6.86, 6.58, 6.23]
# 设置图形大小
fig = plt.figure(figsize=(16, 8), dpi=100)
# 绘制条形图
plt.bar(a, b, width=0.3)
# 设置字符串到x轴
plt.xticks(fontproperties=my_font, rotation=-45)
plt.savefig(‘1.png‘)
plt.show()

结果:

2. 横向条形图

# 绘制横着的条形图
import numpy as np
import matplotlib.pyplot as plt
from matplotlib import font_manager

my_font = font_manager.FontProperties(fname=r‘C:/Windows/Fonts/simkai.ttf‘)  # 设置字体

a = ["战狼2", "速度与激情8", "功夫瑜伽", "西游伏妖篇", "变形金刚5：最后的骑士", "摔跤吧！爸爸", "加勒比海盗5：死无对证", "金刚：骷髅岛", "极限特工：终极回归",
     "生化危机6：终章", "乘风破浪", "神偷奶爸3", "智取威虎山", "大闹天竺", "金刚狼3：殊死一战", "蜘蛛侠：英雄归来", "悟空传", "银河护卫队2", "情圣", "新木乃伊", ]

b = [56.01, 26.94, 17.53, 16.49, 15.45, 12.96, 11.8, 11.61, 11.28, 11.12, 10.49, 10.3, 8.75, 7.55, 7.32, 6.99, 6.88,
     6.86, 6.58, 6.23]
# 设置图形大小
fig = plt.figure(figsize=(16, 8), dpi=100)
# 绘制横着的条形图
plt.barh(a, b, height=0.3, color=‘orange‘)    # 宽度边高度
# 设置字符串到y轴
plt.yticks(fontproperties=my_font)
plt.xticks(np.arange(60))
plt.grid(alpha=0.2)
plt.savefig(‘2.png‘)
plt.show()

结果:

3. 比较条形图

# 绘制比较条形图
import numpy as np
import matplotlib.pyplot as plt
from matplotlib import font_manager

my_font = font_manager.FontProperties(fname=r‘C:/Windows/Fonts/simkai.ttf‘)  # 设置字体

a = ["猩球崛起3：终极之战", "敦刻尔克", "蜘蛛侠：英雄归来", "战狼2"]
b_16 = [15746, 312, 4497, 319]
b_15 = [12357, 156, 2045, 168]
b_14 = [2358, 399, 2358, 362]

plt.figure(figsize=(16, 8), dpi=100)

bar_width = 0.2
x = list(range(len(a)))
plt.bar(x, b_14, width=bar_width, label=‘2017-09-14‘)
plt.bar([i + bar_width for i in x], b_15, width=bar_width, label=‘2017-09-15‘)
plt.bar([i + bar_width * 2 for i in x], b_16, width=bar_width, label=‘2017-09-16‘)

plt.title(‘9月14,15,16三天票房情况‘, fontproperties=my_font)
plt.xticks([i + bar_width for i in x], a, fontproperties=my_font)   # 让下标位置定位到中间

plt.legend(prop=my_font)
plt.savefig(‘3.png‘)
plt.show()

结果: