怎样将matplotlib生成的图形通过Flask输出到页面

301-e001/

301-e001/apps/

301-e001/apps/dataeshows/

301-e001/apps/dataeshows/__init__.py

301-e001/apps/dataeshows/__pycache__/

301-e001/apps/dataeshows/__pycache__/__init__.cpython-37.pyc

301-e001/apps/dataeshows/__pycache__/views.cpython-37.pyc

301-e001/apps/dataeshows/e001/

301-e001/apps/dataeshows/e001/__init__.py

301-e001/apps/dataeshows/e001/__pycache__/

301-e001/apps/dataeshows/e001/__pycache__/__init__.cpython-37.pyc

301-e001/apps/dataeshows/e001/__pycache__/flask_show_matplot.cpython-37.pyc

301-e001/apps/dataeshows/e001/flask_show_matplot.py

301-e001/apps/dataeshows/views.py

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301-e001/static/datafiles/

301-e001/static/datafiles/301/

301-e001/static/datafiles/301/001/

301-e001/static/datafiles/301/001/学生基本信息表.xls

301-e001/static/datafiles/301/001/学生期末考试成绩排名表.xls

301-e001/static/datafiles/301/001/期末考试成绩表.xls

301-e001/templates/

301-e001/templates/301/

301-e001/templates/301/001/

301-e001/templates/301/001/show_matplotlib.html

301-e001/utils/

301-e001/utils/xlrd_ExcelUtil.py