31 lines
1.1 KiB
Python
31 lines
1.1 KiB
Python
import matplotlib.pyplot as plt
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import matplotlib
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# 设置字体为支持中文的字体（如SimHei）
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matplotlib.rcParams['font.sans-serif'] = ['SimHei'] # Windows系统
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# matplotlib.rcParams['font.sans-serif'] = ['Arial Unicode MS'] # macOS系统
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matplotlib.rcParams['axes.unicode_minus'] = False # 解决负号显示问题
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# 数据
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categories = ['供应链', '天窗', 'cc', 'la', '题库', '练测', '教务', '教师', '基础', '学生端', '家长端', '活字', '转介绍']
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values = [8, 4, 13, 20, 11, 2, 22, 10, 1, 1, 14, 1, 17]
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# 创建柱状图
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plt.figure(figsize=(10, 6))
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bars = plt.bar(categories, values, color='skyblue')
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# 添加标题和标签
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plt.title('各类别数量统计', fontsize=16)
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plt.xlabel('类别', fontsize=12)
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plt.ylabel('数量', fontsize=12)
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plt.xticks(rotation=45, ha='right') # 旋转X轴标签
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# 在每个柱子上方显示数量
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for bar in bars:
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height = bar.get_height()
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plt.text(bar.get_x() + bar.get_width() / 2, height, str(height),
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ha='center', va='bottom', fontsize=10)
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# 显示图表
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plt.tight_layout()
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plt.show() |