matplotlib绘制条形图

from matplotlib import pyplot as plt
import matplotlib

font = {'family': 'MicroSoft YaHei'
        }
matplotlib.rc("font",**font)

a = ["复仇者联盟","调音师","龙猫","海王","蜘蛛侠-平行世界"]
print(len(a))
b = [78.01,53.02,25.67,32.11,10.55]
plt.figure(figsize=(20,8),dpi=80)

#绘制横着的条形图
plt.barh(range(len(a)),b,height=0.3,color="orange")
plt.yticks(range(len(a)),a)
plt.grid(alpha=0.3)
# plt.bar(range(len(a)),b,width=0.3)
# plt.xticks(range(len(a)),a,rotation=90)
plt.savefig("./bar.png")
plt.show()

绘制多条条形图

from matplotlib import pyplot as plt
import matplotlib

font = {
    'family': 'MicroSoft YaHei',
}
matplotlib.rc("font",**font)
a = ["猩球崛起3","复仇者联盟3","终极之战","蜘蛛侠:英雄归来","战狼2"]
b_16 = [15746,112,4407,3190,200]
b_15 = [12357,150,2945,1600,345]
b_14 = [2350,400,2500,362,700]
x_14 = list(range(len(a)))
x_15 = [i + 0.2 for i in x_14]
x_16 = [i + 0.2*2 for i in x_14]

plt.figure(figsize=(20,8),dpi=80)

plt.bar(range(len(a)),b_14,width=0.3,label="9月14日")
plt.bar(x_15,b_15,width=0.2,label="9月15日")
plt.bar(x_16,b_16,width=0.2,label="9月16日")
plt.legend()
#设置xz轴刻度
plt.xticks(x_15,a)
plt.show()