图示

甘特图代码

import matplotlib.pyplot as plt
import numpy as np


class ProjectEmement:
    def __init__(self, name_, starttime_: float, endtime_: float, fact_endtime_: float, grade_, rootlist_: list, keylist_: list, isover_=-1):
        self.name = name_
        self.starttime = starttime_
        self.endtime = endtime_
        self.fact_endtime = fact_endtime_
        self.grade = grade_
        self.rootlist = rootlist_
        self.keylist = keylist_
        self.isover = isover_

        # 预处理
        self.preprocess()
        pass

    def preprocess(self):
        self.starttime = min(self.starttime, self.endtime)
        self.fact_endtime = max(self.starttime, self.fact_endtime)
        self.costtime = self.fact_endtime - self.starttime
        pass


class GanttImage:
    def __init__(self, elementlist_: list):
        self.elementlist = elementlist_
        self