#!/user/bin/env python
# coding=utf-8
"""
@project : csdn
@author  : 劍客阿良_ALiang
@file   : draw_pic.py
@ide    : PyCharm
@time   : 2022-03-23 09:38:28
"""
import pandas as pd
from matplotlib import pyplot as plt
 
_dates = ['2022-03-22 16:45:08', '2022-03-22 16:46:08', '2022-03-22 16:47:08', '2022-03-22 16:48:08',
          '2022-03-22 16:49:08', '2022-03-22 16:50:08', '2022-03-22 16:51:08', '2022-03-22 16:52:08',
          '2022-03-22 16:53:08', '2022-03-22 16:54:08']
_data1 = [1, 2, 4, 6, 3, 2, 5, 7, 8, 0]
_data2 = [0, 9, 8, 2, 1, 0, 6, 5, 2, 1]
 
di = pd.DatetimeIndex(_dates,
                      dtype='datetime64[ns]', freq=None)
 
pd.DataFrame({'data1': _data1},
             index=di).plot.line()  # 圖形橫坐標默認為數據索引index。
#
plt.savefig(r'data/p1.png', dpi=200)
plt.show()  # 顯示當前正在編譯的圖像
 
pd.DataFrame({'data1': _data1, 'data2': _data2},
             index=di).plot.line()  # 圖形橫坐標默認為數據索引index。
#
plt.savefig(r'data/p2.png', dpi=200)
plt.show()  # 顯示當前正在編譯的圖像