def read_file(self):        """        读取文件，获得实体，实体关系        :return:        """        # cols = ["name", "alias", "part", "age", "infection", "insurance", "department", "checklist", "symptom",        #         "complication", "treatment", "drug", "period", "rate", "money"]        # 实体        diseases = []  # 疾病        aliases = []  # 别名        symptoms = []  # 症状        parts = []  # 部位        departments = []  # 科室        complications = []  # 并发症        drugs = []  # 药品

        # 疾病的属性：age, infection, insurance, checklist, treatment, period, rate, money        diseases_infos = []        # 关系        disease_to_symptom = []  # 疾病与症状关系        disease_to_alias = []  # 疾病与别名关系        diseases_to_part = []  # 疾病与部位关系        disease_to_department = []  # 疾病与科室关系        disease_to_complication = []  # 疾病与并发症关系        disease_to_drug = []  # 疾病与药品关系

        all_data = pd.read_csv(self.data_path, encoding='gb18030').loc[:, :].values        for data in all_data:            disease_dict = {}  # 疾病信息            # 疾病            disease = str(data[0]).replace("...", " ").strip()            disease_dict["name"] = disease            # 别名            line = re.sub("[，、；,.;]", " ", str(data[1])) if str(data[1]) else "未知"            for alias in line.strip().split():                aliases.append(alias)                disease_to_alias.append([disease, alias])            # 部位            part_list = str(data[2]).strip().split() if str(data[2]) else "未知"            for part in part_list:                parts.append(part)                diseases_to_part.append([disease, part])            # 年龄            age = str(data[3]).strip()            disease_dict["age"] = age            # 传染性            infect = str(data[4]).strip()            disease_dict["infection"] = infect            # 医保            insurance = str(data[5]).strip()            disease_dict["insurance"] = insurance            # 科室            department_list = str(data[6]).strip().split()            for department in department_list:                departments.append(department)                disease_to_department.append([disease, department])            # 检查项            check = str(data[7]).strip()            disease_dict["checklist"] = check            # 症状            symptom_list = str(data[8]).replace("...", " ").strip().split()[:-1]            for symptom in symptom_list:                symptoms.append(symptom)                disease_to_symptom.append([disease, symptom])            # 并发症            complication_list = str(data[9]).strip().split()[:-1] if str(data[9]) else "未知"            for complication in complication_list:                complications.append(complication)                disease_to_complication.append([disease, complication])            # 治疗方法            treat = str(data[10]).strip()[:-4]            disease_dict["treatment"] = treat            # 药品            drug_string = str(data[11]).replace("...", " ").strip()            for drug in drug_string.split()[:-1]:                drugs.append(drug)                disease_to_drug.append([disease, drug])            # 治愈周期            period = str(data[12]).strip()            disease_dict["period"] = period            # 治愈率            rate = str(data[13]).strip()            disease_dict["rate"] = rate            # 费用            money = str(data[14]).strip() if str(data[14]) else "未知"            disease_dict["money"] = money

            diseases_infos.append(disease_dict)

        return set(diseases), set(symptoms), set(aliases), set(parts), set(departments), set(complications), \                set(drugs), disease_to_alias, disease_to_symptom, diseases_to_part, disease_to_department, \                disease_to_complication, disease_to_drug, diseases_infos