python json 去掉u python json删除字段

import json
class GetJsonData:
    def json_data(self, *json_file):
        '''
        :description:获取json文件数据
        :param json_file: 输入json文件名，默认为ranzidata.json
        :return: 返回数据类型为dict
        '''
        if len(json_file) == 1:
            part_path = 'ranzi/ranzi_config/' + str(json_file[0])
            file_path = GetPath().get_path(part_path)
        else:
            file_path = GetPath().get_path('ranzi/ranzi_config/ranzidata.json')
        #读取json文件
        with open(file_path, mode='r', encoding='utf-8') as jf:
            jd = json.load(jf)
            return jd

    def excel_to_json(self, excel_file_path, sheet_name, key_name):
        '''
        :description:将excel数据转化成json文件数据格式输出
        :param excel_file_path: excel文件路径
        :param sheet_name: 工作表名
        :param key_name: 定义键值
        :return:
        '''
        wb = openpyxl.load_workbook(excel_file_path)
        get_sheet = wb[sheet_name]
        list_tmp = []
        list_data = []
        stat = True
        json_data = {}
        for get_row in get_sheet:
            if stat:
                stat = False
                continue
            for get_cell in get_row:
                list_tmp.append(str(get_cell.value))
            list_data.append(list_tmp)
            list_tmp = []
        json_data[key_name] = list_data
        return json_data

    def json_to_excel(self, json_file, excel_path):
        wb = Workbook()
        data = self.json_data(json_file)
        k = data.keys()
        for sheet_name in k:
            try:
                wb.remove(sheet_name)  # 如表已存在则移除工作表
            except:
                pass
            wb.create_sheet(sheet_name, 0)#创建表
            ws = wb[sheet_name]#操作指定表
            sheet_data = data[sheet_name]#获取表要写入的数据
            for t in range(1, len(sheet_data) + 1):  # 遍历要写入的行数
                i = 65  # ASCII码'65'表示'A'
                for j in range(1, len(sheet_data[t - 1]) + 1):  # 遍历每行要写入的数量
                    ws['%s%d' % (chr(i), t)] = sheet_data[t - 1][j - 1]
                    i += 1
        wb.save(excel_path)

    def json_update(self, dict_new, *json_file):
        if len(json_file) == 1:
            part_path = 'ranzi/ranzi_config/' + str(json_file[0])
            file_path = GetPath().get_path(part_path)
        else:
            file_path = GetPath().get_path('ranzi/ranzi_config/ranzidata.json')
        json_data = self.json_data()
        json_data.update(dict_new)
        with open(file_path, mode='w', encoding='utf-8') as jf:
            json.dump(json_data, jf, indent=2, sort_keys=True, ensure_ascii=False)

    def json_del(self, key, *json_file):
        if len(json_file) == 1:
            part_path = 'ranzi/ranzi_config/' + str(json_file)
            file_path = GetPath().get_path(part_path)
        else:
            file_path = GetPath().get_path('ranzi/ranzi_config/ranzidata.json')
        json_dict = self.json_data(file_path)
        json_data = json_dict.pop(key)
        print(json_data, 'delete success')
        with open(file_path, mode='w', encoding='utf-8') as jf:
            json.dump(json_dict, jf, indent=2, sort_keys=True, ensure_ascii=False)