<span><a href="https://www.gaodaima.com/tag/import" title="查看更多关于import的文章" target="_blank">import</a></span><span> pandas as pd
</span><span>import</span><span> matplotlib.pyplot as plt
list_a </span>= range(1,2) <span>#</span><span>下面那行需要参数为列表，这里取第二列</span>
data = pd.read_csv(<span>"</span><span>fw2.csv</span><span>"</span>,usecols=list_a) <span>#</span><span>从csv文件中读取第二列数据</span>
<span>
plt.rcParams[</span><span>"</span><span>font.sans-serif</span><span>"</span>]=[<span>"</span><span>SimHei</span><span>"</span>] <span>#</span><span>用来正常显示中文标签</span>
plt.title(<span>"</span><span>"CSDN看，未来‘ 10月访问量</span><span>"</span>) <span>#</span><span>标题</span>
<span>#</span><span>横纵坐标</span>
plt.xlabel(<span>"</span><span>Time</span><span>"</span><span>)
plt.ylabel(</span><span>"</span><span>PV</span><span>"</span><span>)
</span><span>#</span><span>数据、标记为o、颜色red</span>
plt.plot(data,marker=<span>"</span><span>o</span><span>"</span>,color=<span>"</span><span>r</span><span>"</span><span>)
</span><span>#</span><span>data.plot(style="r-",marker="o")</span>
plt.show()
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