按链接下载个微文件

个微（微信）侧的媒体只给了下载链接时，凭 url 与 aesKey 取回文件；有 fileId 的附件用 cdn/download。

请求参数

参数	必填	类型	说明
appid	是	string	实例 appid，标识操作哪个已登录账号。示例：we_xxxxxxxxxxxxxxx
url	是	string	媒体文件的下载链接，原样传入。示例：https://imunion.weixin.qq.com/cgi-bin/mmae-bin/tpdownload…
aesKey	是	string	文件 AESKey。示例：1a267f9b3613c512cb68095bd7b86411

请求示例

HTTP

POST {BASE_URL}/api/cdn/urlDownload
Authorization: Bearer <你的调用凭证>
Content-Type: application/json

{
  "appid": "we_xxxxxxxxxxxxxxx",
  "url": "https://imunion.weixin.qq.com/cgi-bin/mmae-bin/tpdownloadmedia?param=...",
  "aesKey": "1a267f9b3613c512cb68095bd7b86411"
}

curl

curl -X POST '{BASE_URL}/api/cdn/urlDownload' \
  -H 'Authorization: Bearer <你的调用凭证>' \
  -H 'Content-Type: application/json' \
  --data-raw '{
  "appid": "we_xxxxxxxxxxxxxxx",
  "url": "https://imunion.weixin.qq.com/cgi-bin/mmae-bin/tpdownloadmedia?param=...",
  "aesKey": "1a267f9b3613c512cb68095bd7b86411"
}'

Python

import requests

url = "{BASE_URL}/api/cdn/urlDownload"
headers = {"Authorization": "Bearer <你的调用凭证>", "Content-Type": "application/json"}
body = """{
  "appid": "we_xxxxxxxxxxxxxxx",
  "url": "https://imunion.weixin.qq.com/cgi-bin/mmae-bin/tpdownloadmedia?param=...",
  "aesKey": "1a267f9b3613c512cb68095bd7b86411"
}"""

resp = requests.post(url, headers=headers, data=body.encode("utf-8"))
print(resp.text)

Java

import java.net.URI;
import java.net.http.HttpClient;
import java.net.http.HttpRequest;
import java.net.http.HttpResponse;

String url = "{BASE_URL}/api/cdn/urlDownload";
String body = "{\n" +
    "  \"appid\": \"we_xxxxxxxxxxxxxxx\",\n" +
    "  \"url\": \"https://imunion.weixin.qq.com/cgi-bin/mmae-bin/tpdownloadmedia?param=...\",\n" +
    "  \"aesKey\": \"1a267f9b3613c512cb68095bd7b86411\"\n" +
    "}";

HttpClient client = HttpClient.newHttpClient();
HttpRequest request = HttpRequest.newBuilder(URI.create(url))
    .header("Authorization", "Bearer <你的调用凭证>")
    .header("Content-Type", "application/json")
    .POST(HttpRequest.BodyPublishers.ofString(body))
    .build();
HttpResponse<String> response = client.send(request, HttpResponse.BodyHandlers.ofString());
System.out.println(response.body());

PHP

<?php

$url = '{BASE_URL}/api/cdn/urlDownload';
$body = <<<'JSON'
{
  "appid": "we_xxxxxxxxxxxxxxx",
  "url": "https://imunion.weixin.qq.com/cgi-bin/mmae-bin/tpdownloadmedia?param=...",
  "aesKey": "1a267f9b3613c512cb68095bd7b86411"
}
JSON;

$ch = curl_init($url);
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_POSTFIELDS, $body);
curl_setopt($ch, CURLOPT_HTTPHEADER, [
    'Authorization: Bearer <你的调用凭证>',
    'Content-Type: application/json',
]);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$response = curl_exec($ch);
curl_close($ch);
echo $response;

响应示例

解析响应前确认字段

返回字段见CDN 文件模块总览。完整响应格式及未列出的字段，请通过开通与支持联系客服确认后再解析。

响应字段

字段	类型	说明
code	int64	统一封套状态码：0=成功，负数=失败
detail	string	附加明细，通常为空
message	string	文案：成功为 ok；失败形如 -码|描述
time	string	服务端处理时间 YYYY-MM-DD HH:MM:SS

下一步

• CDN 文件模块总览
• 错误码
• 快速开始