简单时间抽取，即年月日同时出现

        Keyword arguments:
        string              -- 含有时间的文本，str类型

def easy_time_extrator(self, string):
        """简单时间抽取，即年月日同时出现

        Keyword arguments:
        string              -- 含有时间的文本，str类型
        """
        try:
            if not self.year_check and not self.month_check and not self.day_check:
                str_all = re.search('([\u4e00-\u9fa5〇○]{4})年([\u4e00-\u9fa5]{1,3})月([\u4e00-\u9fa5]{1,3})日', string)
                str_year = self.str_to_num(str_all.group(1))
                str_month = self.str_to_num(str_all.group(2))
                str_day = self.str_to_num(str_all.group(3))
                check_year = datetime.datetime.now().year
                if str_year in range(1970, check_year + 1) and str_month in range(1, 13) and str_day in range(1,
                                                                                                              32):
                    self.year = str_year
                    self.month = str_month
                    self.day = str_day
                    self.year_check = True
                    self.month_check = True
                    self.day_check = True
        except:
            pass
        try:
            if not self.year_check and not self.month_check and not self.day_check:
                str_all = re.search('(\d{4})[-._年](\d{1,2})[-._月](\d{1,2})', string)
                str_year = int(str_all.group(1))
                str_month = int(str_all.group(2))
                str_day = int(str_all.group(3))
                check_year = datetime.datetime.now().year
                if str_year in range(1970, check_year + 1) and str_month in range(1, 13) and str_day in range(1,
                                                                                                              32):
                    self.year = str_year
                    self.month = str_month
                    self.day = str_day
                    self.year_check = True
                    self.month_check = True
                    self.day_check = True
        except:
            pass