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  • 腾讯阿里第三方接入

    腾讯短信验证

    pip install qcloudsms_py
    
    
    #!/usr/bin/env python
    # -*- coding:utf-8 -*-
    import ssl
    # ssl._create_default_https_context = ssl._create_unverified_context
    from qcloudsms_py import SmsMultiSender, SmsSingleSender
    from qcloudsms_py.httpclient import HTTPError
    def send_sms_single(phone_num, template_id, template_param_list):
        """
        单条发送短信
        :param phone_num: 手机号
        :param template_id: 腾讯云短信模板ID
        :param template_param_list: 短信模板所需参数列表,例如:【验证码:{1},描述:{2}】,则传递参数 [888,666]按顺序去格式化模板
        :return:
        """
        appid = 112142311  # 自己应用ID
        appkey = "8cc5b87123y423423412387930004"  # 自己应用Key
        sms_sign = "Python之路"  # 自己腾讯云创建签名时填写的签名内容(使用公众号的话这个值一般是公众号全称或简称)
        sender = SmsSingleSender(appid, appkey)
        try:
            response = sender.send_with_param(86, phone_num, template_id, template_param_list, sign=sms_sign)
        except HTTPError as e:
            response = {'result': 1000, 'errmsg': "网络异常发送失败"}
        return response
    def send_sms_multi(phone_num_list, template_id, param_list):
        """
        批量发送短信
        :param phone_num_list:手机号列表
        :param template_id:腾讯云短信模板ID
        :param param_list:短信模板所需参数列表,例如:【验证码:{1},描述:{2}】,则传递参数 [888,666]按顺序去格式化模板
        :return:
        """
        appid = 112142311
        appkey = "8cc5b87123y423423412387930004"
        sms_sign = "Python之路"
        sender = SmsMultiSender(appid, appkey)
        try:
            response = sender.send_with_param(86, phone_num_list, template_id, param_list, sign=sms_sign)
        except HTTPError as e:
            response = {'result': 1000, 'errmsg': "网络异常发送失败"}
        return response
    if __name__ == '__main__':
        result1 = send_sms_single("15131255089", 548760, [666, ])
        print(result1)
        result2 = send_sms_single( ["15131255089", "15131255089", "15131255089", ],548760, [999, ])
        print(result2)
    

    腾讯云cos

    ## settings.py
    TENCENT_COS_SECRET_ID = 'AKIDEH8j4WuhRtBF'  # 替换为用户的 secretId
    TENCENT_COS_SECRET_KEY = '5apoY5XilhVd'  # 替换为用户的 secretKey
    
    # -*- coding=utf-8
    # appid 已在配置中移除,请在参数 Bucket 中带上 appid。Bucket 由 BucketName-APPID 组成
    # 1. 设置用户配置, 包括 secretId,secretKey 以及 Region
    from qcloud_cos import CosConfig
    from qcloud_cos import CosS3Client
    from django.conf import settings
    
    
    def create_bucket(bucket, region='ap-shanghai'):
    
        # token = None                # 使用临时密钥需要传入 Token,默认为空,可不填
        # scheme = 'https'            # 指定使用 http/https 协议来访问 COS,默认为 https,可不填
        config = CosConfig(Region=region, SecretId=settings.TENCENT_COS_SECRET_ID, SecretKey=settings.TENCENT_COS_SECRET_KEY)
        # 2. 获取客户端对象
        client = CosS3Client(config)
    
        # 创建存储桶
        client.create_bucket(
            Bucket = bucket, # 桶名称
            ACL = "public-read", # private / public-read / public-read-write
        )
    
        # 解决跨域问题
        cors_config = {
            'CORSRule':[
                {
                    'AllowedOrigin':'*',
                    'AllowedMethod':['GET', 'POST', 'PUT', 'DELETE', 'HEAD'],
                    'AllowedHeader':'*',
                    'ExposeHeader':'*',
                    'MaxAgeSeconds':500
                }
            ]
        }
    
        client.put_bucket_cors(Bucket=bucket, CORSConfiguration=cors_config)
    
    
    def upload_file(bucket, file_obj, key, region='ap-shanghai'):
        config = CosConfig(Region=region, SecretId=settings.TENCENT_COS_SECRET_ID,
                           SecretKey=settings.TENCENT_COS_SECRET_KEY)
        # 2. 获取客户端对象
        client = CosS3Client(config)
        #### 高级上传接口(推荐)
        # 根据文件大小自动选择简单上传或分块上传,分块上传具备断点续传功能。
        response = client.upload_file_from_buffer(
            Bucket=bucket,
            Body = file_obj, # 本地文件的路径
            Key=key, # 上传到桶之后的文件名
        )
        ## 返回图片路径
        # https://saas-1259576896.cos.ap-shanghai.myqcloud.com/QQ%E5%9B%BE%E7%89%8720190706214717.jpg
        return 'https://{}.cos.{}.myqcloud.com/{}'.format(bucket, region, key)
    
    def delete_file(bucket, key, region='ap-shanghai'):
        config = CosConfig(Region=region, SecretId=settings.TENCENT_COS_SECRET_ID,
                           SecretKey=settings.TENCENT_COS_SECRET_KEY)
        client = CosS3Client(config)
        client.delete_object(
            Bucket=bucket,
            Key=key, # 文件名
        )
    
    

    自写邮箱验证

    
    ## settings.py
    EMAIL_HOST = "smtp.163.com"     # 服务器
    EMAIL_PORT = 25                 # 一般情况下都为25
    EMAIL_HOST_USER = "m18055559006@163.com"     # 账号
    EMAIL_HOST_PASSWORD = "MUQSSTXASITFJCUE"          # 密码 (注意:这里的密码指的是授权码)
    EMAIL_USE_TLS = False       # 一般都为False
    EMAIL_FROM = "m18055559006@163.com"      # 邮箱来自
    
    
    from random import Random  # 用于生成随机码
    from django.core.mail import send_mail  # 发送邮件模块
    from django.conf import settings  # setting.py添加的的配置信息
    def random_str(randomlength=8):
        """
        随机字符串
        :param randomlength: 字符串长度
        :return: String 类型字符串
        """
        str = ''
        chars = 'AaBbCcDdEeFfGgHhIiJjKkLlMmNnOoPpQqRrSsTtUuVvWwXxYyZz0123456789'
        length = len(chars) - 1
        random = Random()
        for i in range(randomlength):
            str += chars[random.randint(0, length)]
        return str
    
    
    email_title = "注册激活"
    # email_body = "请点击下面的链接激活你的账号:http://127.0.0.1:8000/active/{0}".format(code)
    email_body = "您的邮箱注册验证码为:{0}, 该验证码有效时间为两分钟,请及时进行验证。".format(random_str(16))
    # 发送邮件
    email = '1241880457@qq.com'
    send_status = send_mail(email_title, email_body, settings.EMAIL_FROM, [email])
    print(send_status)
    

    阿里云邮箱推送

    pip install aliyun-python-sdk-core-v3
    pip install idna # 如果报没有idna包安装此包
    
    from aliyunsdkcore.client import AcsClient
    from aliyunsdkcore.request import CommonRequest
    
    
    def ali_send_email():
        client = AcsClient('<accessKeyId>', '<accessSecret>', 'cn-hangzhou')
    
        request = CommonRequest()
        request.set_accept_format('json')
        request.set_domain('dm.aliyuncs.com')
        request.set_method('POST')
        request.set_protocol_type('https')
        request.set_version('2015-11-23')
        request.set_action_name('SingleSendMail')
    
        request.add_query_param('RegionId', "cn-hangzhou")
        request.add_query_param('AccountName', "admin@chenwenyin.top")
        request.add_query_param('AddressType', "1")
        request.add_query_param('ReplyToAddress', "false")
        request.add_query_param('ToAddress', "m17857589080@163.com")
        request.add_query_param('Subject', "注册")
        request.add_query_param('TagName', "注册")
        code = random_str()
        email_body = "您的邮箱注册验证码为:{0}, 该验证码有效时间为两分钟,请及时进行验证。".format(code)
        request.add_query_param('TextBody', email_body)
    
        response = client.do_action_with_exception(request)
        print(str(response, encoding = 'utf-8'))
        return response
    ali_send_email()
    

    支付宝

    https://github.com/fzlee/alipay

    
    # 安装
    pip install python-alipay-sdk
    
    # alipay_public_key.pem
    -----BEGIN PUBLIC KEY-----
    拿应用公钥跟支付宝换来的支付宝公钥
    -----END PUBLIC KEY-----
    
    
    # app_private_key.pem
    -----BEGIN RSA PRIVATE KEY-----
    通过支付宝公钥私钥签发软件签发的应用私钥
    -----END RSA PRIVATE KEY-----
    
    
    
    开发:https://openapi.alipay.com/gateway.do
    沙箱:https://openapi.alipaydev.com/gateway.do
    
    
    
    
    # pay.py
    from alipay import AliPay
    from . import settings
    
    # 支付对象
    alipay = AliPay(
        appid=settings.APP_ID,
        app_notify_url=None,
        app_private_key_string=settings.APP_PRIVATE_KEY_STRING,
        alipay_public_key_string=settings.ALIPAY_PUBLIC_KEY_STRING,
        sign_type=settings.SIGN,
        debug=settings.DEBUG
    )
    
    # 支付网关
    gateway = settings.GATEWAY
    
    
    
    ## 支付宝回调
    from utils.logging import logger
    # 支付回调接口
    class SuccessViewSet(ViewSet):
        authentication_classes = ()
        permission_classes = ()
    
        # 支付宝同步回调给前台,在同步通知给后台处理
        def get(self, request, *args, **kwargs):
            # return Response('后台已知晓,Over!!!')
    
            # 不能在该接口完成订单修改操作
            # 但是可以在该接口中校验订单状态(已经收到支付宝post异步通知,订单已修改),告诉前台
            # print(type(request.query_params))  # django.http.request.QueryDict
            # print(type(request.query_params.dict()))  # dict
    
            out_trade_no = request.query_params.get('out_trade_no')
            try:
                models.Order.objects.get(out_trade_no=out_trade_no, order_status=1)
                return APIResponse(result=True)
            except:
                return APIResponse(1, 'error', result=False)
    
    
        # 支付宝异步回调处理
        def post(self, request, *args, **kwargs):
            try:
                result_data = request.data.dict()
                out_trade_no = result_data.get('out_trade_no')
                signature = result_data.pop('sign')
                from libs import iPay
                result = iPay.alipay.verify(result_data, signature)
                if result and result_data["trade_status"] in ("TRADE_SUCCESS", "TRADE_FINISHED"):
                    # 完成订单修改:订单状态、流水号、支付时间
                    models.Order.objects.filter(out_trade_no=out_trade_no).update(order_status=1)
                    # 完成日志记录
                    logger.warning('%s订单支付成功' % out_trade_no)
                    return Response('success')
                else:
                    logger.error('%s订单支付失败' % out_trade_no)
            except:
                pass
            return Response('failed')
    

    阿里tablestore

    # settings.py
    OTS_ID = "LTAI4G9b9XpoZyERTEQ1Xmz"
    OTS_SECRET = "JkUTv1nEWhGGERhjE09mmUbqjkVODdh"
    OTS_INSTANCE = "cwy-renran"
    OTS_ENDPOINT = "https://cwy-renran.cn-hangzhou.ots.aliyuncs.com"
    
    # 安装
    pip install tablestore
    
    
    # utils.py
    from tablestore import *
    from django.conf import settings
    
    class OTS(object):
        """工具类: 表格存储"""
        def __init__(self):
            self.client = OTSClient(settings.OTS_ENDPOINT, settings.OTS_ID, settings.OTS_SECRET, settings.OTS_INSTANCE)
    
        def list_table(self):
            """列出所有的存储表"""
            return self.client.list_table()
    
        def create_table(self, table_name, schema_of_primary_key):
            """
            :param table_name: 字符串,表名
            :param schema_of_primary_key: 列表,每一个成员是一个元祖,表示字段的名称和类型
            :return:
            """
            # 通过表名和主键列的schema创建一个tableMeta。
            table_meta = TableMeta(table_name, schema_of_primary_key)
            # 创建TableOptions,数据保留31536000秒,超过后自动删除;最大3个版本;写入时指定的版本值和当前标准时间相差不能超过1天。
            table_options = TableOptions(31536000, 3, 86400)
            # 设置预留读吞吐量为0,预留写吞吐量为0。
            reserved_throughput = ReservedThroughput(CapacityUnit(0, 0))
    
            try:
                self.client.create_table(table_meta, table_options, reserved_throughput)
                return True
            # 处理异常。
            except Exception:
                return False
    
        def delete_table(self, table_name):
            """
            删除表
            :param table_name: 参数如果是字符串,则表示删除一张表,
                               参数如果是列表,则表示删除多张表
            :return:
            """
            tables = []
            if type(table_name) is str:
                tables.append(table_name)
            else:
                tables = table_name
    
            ret = {
                "success": [],
                "fails": []
            }
            for table in tables:
                try:
                    self.client.delete_table(table)
                    ret["success"].append(table)
                except Exception:
                    ret["fails"].append(table)
    
            return ret
    
        def put_row(self, table_name, primary_key, attribute_columns={}):
            """
            添加一条数据
            :param table_name: 本次添加数据的表名
            :param primary_key: 主键列
            :param attribute_columns: 其他属性列
            :return: 新增数据的主键
            """
    
            primary_key_list = []
            for key, value in primary_key.items():
                primary_key_list.append((key, value))
    
            attribute_columns_list = []
            for key, value in attribute_columns.items():
                attribute_columns_list.append((key, value))
    
            row = Row(primary_key_list, attribute_columns_list)
            # 添加数据的条件
            # EXPECT_NOT_EXIST 如果主键重复,则报错!
            condition = Condition(RowExistenceExpectation.EXPECT_NOT_EXIST)
            try:
                # 调用put_row方法, ReturnType.RT_PK表示返回新增数据的主键信息,如果不设置则返回None
                consumed, return_row = self.client.put_row(table_name, row, condition, ReturnType.RT_PK)
                return True, return_row.primary_key
            except OTSClientError as e:
                """网络异常"""
                return False, "put row failed, http_status:%d, error_message:%s" % (
                e.get_http_status(), e.get_error_message())
    
            # 服务端异常,一般为参数错误或者流控错误。
            except OTSServiceError as e:
                """参数有误"""
                return False, "put row failed, http_status:%d, error_code:%s, error_message:%s, request_id:%s" % (
                    e.get_http_status(), e.get_error_code(), e.get_error_message(), e.get_request_id())
            except Exception as e:
                """其他错误"""
                return False, "未知的异常"
    
        def get_row(self, table_name, primary_key, columns_to_get=[], column_filter=None):
            """"""
            # 指定查询结果返回的属性列
            # 过滤条件
            """
            # ====================== 多条件 ========================
            # 逻辑条件
            cond = CompositeColumnCondition(LogicalOperator.AND)
            cond = CompositeColumnCondition(LogicalOperator.OR)
            cond = CompositeColumnCondition(LogicalOperator.NOT)
            # 比较条件
            ComparatorType.NOT_EQUAL  !=
            ComparatorType.EQUAL      ==
            GREATER_THAN              >
            GREATER_EQUAL             >=
            LESS_THAN                 <
            LESS_EQUAL                <=
            举例:
              查询一个学生信息,性别为男的,小于20岁===>   (sex=男 and age < 20) or (sex=女 and age < 17) 
                cond = CompositeColumnCondition(LogicalOperator.AND)
                cond.add_sub_condition(SingleColumnCondition("sex", '男', ComparatorType.EQUAL))
                cond.add_sub_condition(SingleColumnCondition("age", 20, ComparatorType.LESS_THAN))
    
            # ====================== 单条件 ======================== 
            cond = SingleColumnCondition("age", 20, ComparatorType.LESS_THAN)
            """
            primary_key_list = []
            for key, value in primary_key.items():
                primary_key_list.append((key, value))
            try:
                # 调用get_row接口查询
                consumed, return_row, next_token = self.client.get_row(table_name, primary_key_list, columns_to_get,
                                                                       column_filter, 1)
                data = {}
                if return_row is not None:
                    for att in return_row.primary_key:
                        # 打印每一个字段的内容
                        data[att[0]] = att[1]
                    if len(columns_to_get) > 0:
                        """如果有指定要返回其他属性列"""
                        for att in return_row.attribute_columns:
                            # 打印每一个字段的内容
                            data[att[0]] = att[1]
                return True, data
                # 客户端异常,一般为参数错误或者网络异常。
            except OTSClientError as e:
                return False, "网络异常,获取数据失败, http_status:%d, error_message:%s" % (e.get_http_status(), e.get_error_message())
            # 服务端异常,一般为参数错误或者流控错误。
            except OTSServiceError as e:
                return False, "参数有误,获取数据失败, http_status:%d, error_code:%s, error_message:%s, request_id:%s" % (
                    e.get_http_status(), e.get_error_code(), e.get_error_message(), e.get_request_id())
            except Exception as e:
                return False, "未知异常, http_status:%d, error_code:%s, error_message:%s, request_id:%s" % (
                    e.get_http_status(), e.get_error_code(), e.get_error_message(), e.get_request_id())
    
        def update_row(self, table_name, primary_key, attribute_columns):
            """更新一条数据"""
            primary_key_list = []
            for key, value in primary_key.items():
                primary_key_list.append((key, value))
    
            attribute_columns_list = []
            for key, value in attribute_columns.items():
                attribute_columns_list.append((key, value))
    
            update_of_attribute_columns = {
                'PUT': attribute_columns_list,
            }
    
            row = Row(primary_key_list, update_of_attribute_columns)
    
            try:
                consumed, return_row = self.client.update_row(table_name, row, condition=None, return_type=ReturnType.RT_PK)
                data = {}
                for att in return_row.primary_key:
                    # 打印每一个字段的内容
                    data[att[0]] = att[1]
    
                return True, data
            # 客户端异常,一般为参数错误或者网络异常。
            except OTSClientError as e:
                return False, "更新失败, http_status:%d, error_message:%s" % (e.get_http_status(), e.get_error_message())
    
            # 服务端异常,一般为参数错误或者流控错误。
            except OTSServiceError as e:
                return False, "更新失败, http_status:%d, error_code:%s, error_message:%s, request_id:%s" % (
                    e.get_http_status(), e.get_error_code(), e.get_error_message(), e.get_request_id())
            except Exception as e:
                return False, "未知异常"
    
        def delete_row(self, table_name, primary_key):
            """根据主键删除一条数据"""
            primary_key_list = []
            for key, value in primary_key.items():
                primary_key_list.append((key, value))
            row = Row(primary_key_list)
            try:
                consumed, return_row = self.client.delete_row(table_name, row, None)
                return True, "删除成功"
            except OTSClientError as e:
                return False, "更新失败!网络异常, http_status:%d, error_message:%s" % (e.get_http_status(), e.get_error_message())
            except OTSServiceError as e:
                return False, "更新失败,参数有误, http_status:%d, error_code:%s, error_message:%s, request_id:%s" % (
                    e.get_http_status(), e.get_error_code(), e.get_error_message(), e.get_request_id())
            except Exception as e:
                return False, "未知异常"
    
        def get_list_0(self, table_name, primary_key_list, columns_to_get=[], column_filter=None):
            """
            根据指定主键查询多条数据
            :param table: 字符串,表名
            :param primary_key_list: 主键列表
            :param columns_to_get: 返回属性字段列表
            :param column_filter: 条件
            :return: 列表, 查询结果
            """
    
            # 读取3行。
            rows_to_get = []
            for item in primary_key_list:
                primary_key = []
                for key, value in item.items():
                    primary_key.append((key, value))
                rows_to_get.append(primary_key)
    
            # 构造批量读请求。
            request = BatchGetRowRequest()
    
            # 增加表table_name中需要读取的行,最后一个参数1表示读取最新的一个版本。
            request.add(TableInBatchGetRowItem(table_name, rows_to_get, columns_to_get, column_filter, 1))
    
            try:
                result = self.client.batch_get_row(request)
                if result.is_all_succeed():
                    """只有在获取到全部数据以后才表示读取多条数据成功"""
                    table_result = result.get_result_by_table(table_name)
                    data = []
                    for item in table_result:
                        row = {}
    
                        if item.is_ok:
                            for att in item.row.primary_key:
                                # 打印每一个字段的内容
                                row[att[0]] = att[1]
    
                            for att in item.row.attribute_columns:
                                # 打印每一个字段的内容
                                row[att[0]] = att[1]
    
                        else:
                            return False, '部分数据参数有误,读取数据失败。 error code: %s, error message: %s' % (
                            item.error_code, item.error_message)
    
                        data.append(row)
    
                    return True, data
    
                else:
                    return False, '部分数据参数有误,读取数据失败。'
    
            # 客户端异常,一般为参数错误或者网络异常。
            except OTSClientError as e:
                return False, "读取数据失败,网络异常。 http_status:%d, error_message:%s" % (e.get_http_status(), e.get_error_message())
            # 服务端异常,一般为参数错误或者流控错误。
            except OTSServiceError as e:
                return False, "读取数据失败,参数有误。 http_status:%d, error_code:%s, error_message:%s, request_id:%s" % (
                e.get_http_status(), e.get_error_code(), e.get_error_message(), e.get_request_id())
            except Exception as e:
                return False, "未知异常"
    
        def add_list(self, table_name, primary_key_list, attribute_columns_list=[]):
            """
            添加多条数据
            :param table_name: 字符串,表名
            :param primary_key_list: 主键列
            :param attribute_columns_list: 属性列
            :return:
            """
            put_row_items = self.row_items(PutRowItem, primary_key_list, attribute_columns_list)
            status, result = self.request(table_name, put_row_items)
            if status == False:
                return False, result
            # 输出每一行添加数据的结果。
            succ, fail = result.get_put()
            for item in succ:
                print('添加数据成功, consume %s write cu.' % item.consumed.write)
            for item in fail:
                print('添加数据失败, error code: %s, error message: %s' % (item.error_code, item.error_message))
    
            return True
    
        def update_list(self, table_name, primary_key_list, attribute_columns_list=[]):
            """更新多条数据"""
            update_row_items = self.row_items(UpdateRowItem, primary_key_list, attribute_columns_list)
            status, result = self.request(table_name, update_row_items)
            if status == False:
                return False, result
    
            # 输出每一行更新数据的结果
            succ, fail = result.get_update()
            for item in succ:
                print('更新数据成功, consume %s write cu.' % item.consumed.write)
            for item in fail:
                print('更新数据失败, error code: %s, error message: %s' % (item.error_code, item.error_message))
    
            return True
    
        def delete_list(self, table_name, primary_key_list):
            """删除多条数据"""
            delete_row_items = self.row_items(DeleteRowItem, primary_key_list)
            status, result = self.request(table_name, delete_row_items)
            if status == False:
                return False, result
            # 输出每一行删除数据的结果。
            succ, fail = result.get_delete()
            for item in succ:
                print('删除数据成功, consume %s write cu.' % item.consumed.write)
            for item in fail:
                print('删除数据失败, error code: %s, error message: %s' % (item.error_code, item.error_message))
    
            return True
    
        def row_items(self, cls, primary_key_list, attribute_columns_list=[]):
    
            if len(primary_key_list) != len(attribute_columns_list) and len(attribute_columns_list) != 0:
                return False, "参数有误!主键和属性列数量不对应,无法完成添加操作"
    
            # 增加多行组件的组装。
            row_items = []
            for key0, primary_item in enumerate(primary_key_list):
                primary_row = []
                for key1, value in primary_item.items():
                    primary_row.append((key1, value))
    
                attribute_row = None
                if len(attribute_columns_list) > 0:
                    if cls == PutRowItem:
                        """添加多条"""
                        attribute_row = []
                        for key2, value in attribute_columns_list[key0].items():
                            attribute_row.append((key2, value))
                    elif cls == UpdateRowItem:
                        """更新多条"""
                        attribute_row = {"put": []}
                        for key2, value in attribute_columns_list[key0].items():
                            attribute_row["put"].append((key2, value))
    
                row = Row(primary_row, attribute_row)
                condition = Condition(RowExistenceExpectation.IGNORE)
                item = cls(row, condition)
                row_items.append(item)
    
            return row_items
    
        def request(self, table_name, put_row_items):
            """
            构造批量写请求
            :param table_name:
            :param put_row_items:
            :return:
            """
            request = BatchWriteRowRequest()
            request.add(TableInBatchWriteRowItem(table_name, put_row_items))
            try:
                result = self.client.batch_write_row(request)
                if result.is_all_succeed():
                    return True, result
    
            except OTSClientError as e:
                return False, "网络异常, http_status:%d, error_message:%s" % (e.get_http_status(), e.get_error_message())
            except OTSServiceError as e:
                return False, "参数有误, http_status:%d, error_code:%s, error_message:%s, request_id:%s" % (
                    e.get_http_status(), e.get_error_code(), e.get_error_message(), e.get_request_id())
            except Exception as e:
                return False, "未知异常"
    
        def get_list(self, table_name, start_key, end_key, columns_to_get=[], limit=90, cond=None,
                     derection=Direction.FORWARD):
            """
            根据指定范围查询数据
            :param table_name: 字符串,表名
            :param start_key: 字典,查询的开始主键位置
            :param end_key: 字典,查询的结束主键位置
            :param columns_to_get: 列表,属性列
            :param limit: 整型, 查询结果数量
            :param cond: Cond类对象,查询条件
            :param derection: 查询的排列方式,Direction.FORWARD 正序,Direction.BACKWARD 倒序
            :return:
            """
            # 设置范围查询的起始主键。
            inclusive_start_primary_key = []
            if type(start_key) is dict:
                for key, value in start_key.items():
                    inclusive_start_primary_key.append((key, value))
            else:
                inclusive_start_primary_key=start_key
    
            # 设置范围查询的结束主键。
            exclusive_end_primary_key = []
            if type(end_key) is dict:
                for key, value in end_key.items():
                    exclusive_end_primary_key.append((key, value))
            else:
                exclusive_end_primary_key=end_key
    
            try:
                # 读取数据
                consumed, next_start_primary_key, row_list, next_token = self.client.get_range(
                    table_name, derection,
                    inclusive_start_primary_key, exclusive_end_primary_key,
                    columns_to_get,
                    limit,
                    column_filter=cond,
                    max_version=1,
                )
    
                all_rows = []
                all_rows.extend(row_list)
    
                # 打印主键和属性列。
                data = []
                for row in all_rows:
                    data_item = {}
                    for att in row.primary_key:
                        data_item[att[0]] = att[1]
                    if len(columns_to_get) > 0:
                        """如果有指定要返回其他属性列"""
                        for att in row.attribute_columns:
                            data_item[att[0]] = att[1]
                    data.append(data_item)
    
                return {"status": True, "data": data, "token": next_start_primary_key}
            # 客户端异常,一般为参数错误或者网络异常。
            except OTSClientError as e:
                return False, "网络异常, http_status:%d, error_message:%s" % (e.get_http_status(), e.get_error_message())
            # 服务端异常,一般为参数错误或者流控错误。
            except OTSServiceError as e:
                return False, "参数有误, http_status:%d, error_code:%s, error_message:%s, request_id:%s" % (
                    e.get_http_status(), e.get_error_code(), e.get_error_message(), e.get_request_id())
            except Exception as e:
                return False, "未知异常"
    
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  • 原文地址:https://www.cnblogs.com/chenwenyin/p/13568807.html
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