直接上代码
import matplotlib.pyplot as plt plt.rcParams['font.sans-serif']=['SimHei'] plt.rcParams["axes.unicode_minus"]=0 import numpy as np month=np.arange(1,13,1) d_p=[2.6,5.9,9,34,28,70,123,154,23,12,3,2] d_e=[2.3,4.6,7,23.2,25.6,76.7,135.6,162.2,32.3,20,6.4,3.3] d_t=[2,2.2,3.3,4.5,6.3,10.2,20.3,33.4,23,16.5,12,6.2]#录入数据 fig,ax=plt.subplots()#1*1的子图 bar_e=ax.bar(month,d_e,color="r",label="蒸发",alpha=0.9) bar_p=ax.bar(month,d_p,color="green",label="降水",alpha=0.7)#画图 ax.set_ylabel("水") ax.set_title("图片") ax_r=ax.twinx()#共享x轴 line=ax_r.plot(month,d_t)#画折线图 ax_r.set_ylabel("气温") plt.legend([bar_e,bar_p,line[0]],["蒸发","降水","气温"])#图例 plt.show()
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