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33 lines
990 B
Markdown
33 lines
990 B
Markdown
# 负载转换器
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输出：
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```python
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loading /home/tcaswell/mc3/envs/dd37/lib/python3.7/site-packages/matplotlib/mpl-data/sample_data/msft.csv
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```
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```python
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import numpy as np
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import matplotlib.pyplot as plt
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import matplotlib.cbook as cbook
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from matplotlib.dates import bytespdate2num
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datafile = cbook.get_sample_data('msft.csv', asfileobj=False)
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print('loading', datafile)
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dates, closes = np.loadtxt(datafile, delimiter=',',
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converters={0: bytespdate2num('%d-%b-%y')},
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skiprows=1, usecols=(0, 2), unpack=True)
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fig, ax = plt.subplots()
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ax.plot_date(dates, closes, '-')
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fig.autofmt_xdate()
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plt.show()
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```
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## 下载这个示例
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- [下载python源码: load_converter.py](https://matplotlib.org/_downloads/load_converter.py)
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- [下载Jupyter notebook: load_converter.ipynb](https://matplotlib.org/_downloads/load_converter.ipynb) |