京东api 不存在的方法名

Question

京东API调用，老是返回不存在的方法名，我确定方法名正确（从官方文档复制下来的），响应码200。
官方API测试也能返回数据，就是在python测试就不行。
京东工单迟迟不回复，求指点

import requests
import hashlib
import json
from datetime import datetime
from urllib.parse import urlencode

def generate_jd_sign(app_secret, method, app_key, timestamp, params):
    """生成签名（自动处理URL编码）"""
    # 序列化参数时确保无空格
    param_json = json.dumps(params, separators=(',', ':'), ensure_ascii=False)
    
    system_params = {
        "360buy_param_json": param_json,
        "app_key": app_key,
        "format": "json",
        "method": method,
        "sign_method": "md5",
        "timestamp": timestamp,
        "v": "2.0",
    }
    
    # 按参数名ASCII排序
    sign_str = app_secret + ''.join(f"{k}{v}" for k, v in (system_params.items())) + app_secret
    return hashlib.md5(sign_str.encode('utf-8')).hexdigest().upper()

# 配置信息
app_key = "..."
app_secret = "..."  # 替换为你的app_secret
method = "jd.union.open.goods.jingfen.query"
timestamp = datetime.now().strftime("%Y-%m-%d %H:%M:%S")

# 业务参数（可包含中文）
business_params = {
    "goodsReq": {
        "eliteId": 1,
        "pageSize": 10,
        "pageIndex": 1,
        "keyword": "手机"  # 测试中文参数
    }
}

# 生成签名
sign = generate_jd_sign(app_secret, method, app_key, timestamp, business_params)

# 构建请求数据
request_data = {
    "app_key": app_key,
    "format": "json",
    "method": method,
    "param_json": json.dumps(business_params, ensure_ascii=False),
    "sign": sign,
    "timestamp": timestamp,
    "v": "2.0",
}

# 对每个参数值进行URL编码
encoded_data = urlencode(request_data)

# 请求头（明确声明UTF-8）
headers = {
    "Content-Type": "application/x-www-form-urlencoded; charset=UTF-8",
    "User-Agent": "JD-API-Client"
}
# 发送请求
try:
    response = requests.post(
        url="https://api.jd.com/routerjson",  # 修正URL
        data=encoded_data,
        headers=headers
    )
    response.encoding = 'utf-8'  # 确保响应内容的编码是UTF-8
    print("响应状态码:", response.status_code)
    print("响应内容:", response.json())
except Exception as e:
    print(f"请求失败: {str(e)}")
    print("实际发送的数据:", encoded_data)

Answer 1

如果参数值是dict，要转成字符串（也算一个小坑吧）。从其他文章搜到的，亲测可行。