用matplotlib进行标题命名的时候出现Warning (from warnings module): File "C:\Program Files\Python310\lib\tkinter\__init__.py", line 839 func(*args) UserWarning: Glyph 20154 (\N{CJK UNIFIED IDEOGRAPH-4EBA}) missing from current font.
时间: 2023-06-24 17:08:23 浏览: 324
这个Warning是因为matplotlib无法找到所需的字体,导致某些字符无法显示。你可以尝试安装中文字体来解决这个问题。在Windows系统下,可以使用以下代码安装思源宋体字体:
```python
import matplotlib.pyplot as plt
# 设置中文字体
plt.rcParams['font.family'] = ['Source Han Serif CN']
# 绘制图形
plt.plot([1, 2, 3], [4, 5, 6])
plt.title('中文标题')
plt.show()
```
如果你使用的是MacOS或Linux系统,可以参考这篇文章:https://blog.csdn.net/cxmscb/article/details/111616361。
相关问题
from matplotlib import pyplot as plt出现Traceback (most recent call last): File "D:\Python\pythonProject\pythonProject1\second_work.py", line 3, in <module> from matplotlib import pyplot as plt File "D:\Python\pythonProject\pythonProject1\lib\site-packages\matplotlib\pyplot.py", line 52, in <module> import matplotlib.colorbar File "D:\Python\pythonProject\pythonProject1\lib\site-packages\matplotlib\colorbar.py", line 19, in <module> from matplotlib import _api, cbook, collections, cm, colors, contour, ticker File "D:\Python\pythonProject\pythonProject1\lib\site-packages\matplotlib\contour.py", line 13, in <module> from matplotlib.backend_bases import MouseButton File "D:\Python\pythonProject\pythonProject1\lib\site-packages\matplotlib\backend_bases.py", line 45, in <module> from matplotlib import ( File "D:\Python\pythonProject\pythonProject1\lib\site-packages\matplotlib\text.py", line 18, in <module> from .textpath import TextPath, TextToPath # noqa # Logically located here File "D:\Python\pythonProject\pythonProject1\lib\site-packages\matplotlib\textpath.py", line 12, in <module> from matplotlib.mathtext import MathTextParser File "D:\Python\pythonProject\pythonProject1\lib\site-packages\matplotlib\mathtext.py", line 25, in <module> from matplotlib import _api, _mathtext File "D:\Python\pythonProject\pythonProject1\lib\site-packages\matplotlib\_mathtext.py", line 13, in <module> import unicodedata ModuleNotFoundError: No module named 'unicodedata'报错
这个错误提示是说找不到名为 "unicodedata" 的模块,这个模块是 Python 内置的模块,用于对 Unicode 字符数据进行访问和操作。您可以尝试重新安装 Python,并确保您的 Python 版本是最新的。如果问题仍然存在,您可以尝试在命令行中输入 "pip install unicodedata" 来安装这个模块。如果这些方法都无法解决问题,那么您可能需要考虑使用其他的可视化库。
Traceback (most recent call last): File "pyfiles/20230707/1849.py", line 16, in <module> plt.pie(x=color_percent,labels=color_class,autopct='%1.2f%%') File "C:\Program Files\Python37\lib\site-packages\matplotlib\pyplot.py", line 2755, in pie data is not None else {})) File "C:\Program Files\Python37\lib\site-packages\matplotlib\__init__.py", line 1565, in inner return func(ax, *map(sanitize_sequence, args), **kwargs) File "C:\Program Files\Python37\lib\site-packages\matplotlib\axes\_axes.py", line 2929, in pie raise ValueError("'label' must be of length 'x'") ValueError: 'label' must be of length 'x'
根据错误信息,看起来是由于 `labels` 参数的长度与 `x` 参数的长度不一致导致的错误。确保 `labels` 参数与 `x` 参数具有相同的长度,以匹配每个数据点的标签和数值。
请检查一下你的 `color_class` 和 `color_percent` 列表的长度是否一致。如果它们的长度不同,你需要确保每个数据点都有对应的标签和数值。
以下是一个修正后的示例代码,假设 `color_class` 和 `color_percent` 的长度相同:
```python
import matplotlib.pyplot as plt
color_percent = [30, 40, 20, 10] # 颜色占比
color_class = ['Red', 'Blue', 'Green', 'Yellow'] # 颜色类别
plt.pie(x=color_percent, labels=color_class, autopct='%1.2f%%')
plt.show()
```
如果你的问题还未解决,请提供更多的信息,我将尽力帮助你解决问题!
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