import requests

# 请求参数的十六进制字符串
hex_string = "00 00 00 00 1A 0A 16 0A 05 70 61 70 65 72 12 06 E4 B8 AD E8 8D AF 28 01 30 14 42 01 00 10 01"

# 移除空格并将十六进制字符串转换为字节串
byte_string = bytes.fromhex(hex_string.replace(" ", ""))

headers = {
    "content-type": "application/grpc-web+proto",
    "user-agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36",
}

url = "https://s.wanfangdata.com.cn/SearchService.SearchService/search"

response = requests.post(url, data=byte_string, headers=headers)
print(response)
print(response.text)

得到的结果是序列化之后的数据

import blackboxprotobuf
import requests

# 给定的十六进制字符串
hex_string = "0A 16 0A 05 70 61 70 65 72 12 06 E4 B8 AD E8 8D AF 28 01 30 14 42 01 00 10 01"

# 移除空格并将十六进制字符串转换为字节串
byte_string = bytes.fromhex(hex_string.replace(" ", ""))
print(byte_string)

# 解析得到原始数据和消息类型
original_data, message_type = blackboxprotobuf.protobuf_to_json(byte_string)
print(original_data) # str类型
print(message_type) # dict类型

# 序列化数据
# 修改消息类型之后的数据
original_data = {
  "1": {
    "1": "paper",
    "2": "中药",
    "5": 1,
    "6": 20,
    "8": "\u0000"
  },
  "2": 1
}

form_data = bytes(blackboxprotobuf.encode_message(original_data, message_type))
print("序列化数据-->", form_data) # b'\n\x16\n\x05paper\x12\x06\xe4\xb8\xad\xe8\x8d\xaf(\x010\x14B\x01\x00\x10\x01'
print(len(form_data))


headers = {
    "content-type": "application/grpc-web+proto",
    "user-agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36",
}

url = "https://s.wanfangdata.com.cn/SearchService.SearchService/search"

response = requests.post(url, data=bytes([0,0,0,0,len(form_data)]) + form_data, headers=headers)
print(response)

# 反序列化响应结果
response_data, message_type = blackboxprotobuf.protobuf_to_json(response.content[5:])
print(response_data)