import matplotlib.pyplot as plt import numpy as np # 准备数据 x = np.linspace(0, 10, 100) # 线形图数据 y = np.sin(x) sizes = [27.6, 17.2, 24.1, 31.0] # 饼状图数据 labels = ['A', 'B', 'C', 'D'] bar_x = ['条形图1', '条形图2'] # 条形图数据 bar_y = [10, 40] scatter_x = np.random.rand(20) # 散点图数据 scatter_y = np.random.rand(20) # 创建画布和子图 fig, axs = plt.subplots(2, 2, figsize=(12, 10)) # 绘制线形图 axs[0, 0].plot(x, y, label='sin(x)', color='b') axs[0, 0].set_title('线形图') axs[0, 0].legend() # 绘制饼状图 axs[0, 1].pie(sizes, labels=labels, autopct='%1.1f%%', startangle=140) axs[0, 1].set_title('饼状图') # 绘制条形图 axs[1, 0].bar(bar_x, bar_y, color=['r', 'g']) axs[1, 0].set_title('条形图') axs[1, 0].set_ylabel('值') # 绘制散点图 axs[1, 1].scatter(scatter_x, scatter_y, color='purple', alpha=0.5) axs[1, 1].set_title('散点图') axs[1, 1].set_xlabel('X轴') axs[1, 1].set_ylabel('Y轴') # 调整布局 plt.tight_layout() # 显示图表 plt.show()