matplotlib 画图的 Qt 问题

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  1. This application failed to start because it could not find or load the Qt platform plugin “xcb” in “”.

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    export QT_PLUGIN_PATH="/data/software/anaconda2/plugins/"

  2. QXcbConnection: Could not connect to display

    方法一：

    • 设置环境变量
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    export QT_QPA_PLATFORM='offscreen'

    方法二：

    • python 画图脚本添加下面两行
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    import matplotlib
    matplotlib.use('Agg')
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