WDA是H5ExtTransfer接口会用到的.在字段2中json请求内容名字为context_id
示例context_id: 33-9-141-W71dd244a27a4fe9a1762768491755完整代码
import hashlib
import timedef calculate_device_id():mac_all = "1C1B0D0E93981C1B0D0E9396"cpuidtxt = "3219913727" # 需要转有符号 -1077150721# 将无符号整数转换为有符号整数cpuid_unsigned = int(cpuidtxt)if cpuid_unsigned > 0x7FFFFFFF: # 如果大于最大有符号整数cpuid_signed = cpuid_unsigned - 0x100000000else:cpuid_signed = cpuid_unsigned# 使用有符号整数参与运算cpuidtxt = str(cpuid_signed)# print(cpuidtxt)# 第一次MD5mac_bytes = bytes.fromhex(mac_all)macmd5 = hashlib.md5(mac_bytes).hexdigest().lower().replace(" ", "")# 组合字符串dev_md5 = macmd5 + cpuidtxt# print(dev_md5)# 第二次MD5dev_bytes = dev_md5.encode('utf-8')dev_hex = dev_bytes.hex()dev_md5 = hashlib.md5(bytes.fromhex(dev_hex)).hexdigest().lower().replace(" ", "")# 添加前缀并截取result = "W" + dev_md5return result[:17]# 使用示例
if __name__ == "__main__":device_id = calculate_device_id()# 获取13位现行时间戳（毫秒级）timestamp = str(int(time.time() * 1000))# 组合设备ID和时间戳 33-9-141 传入参数固定的 只有部分业务 不同final_result = "33-9-141-" + device_id + timestampprint("context_id:", final_result)
