获取文档下载地址

curl -X POST "https://api.example.com/open/documents/download" \
  -H "Content-Type: application/json" \
  -H "X-Api-Access-Key: ak_live_d83e201048b94103" \
  -H "X-Api-Timestamp: 1789461000000" \
  -H "X-Api-Nonce: 00112233445566778899aabbccddeeff" \
  -H "X-Api-Signature: SIGNATURE_BASE64" \
  -H "X-Api-Enterprise-Id: 1002" \
  -d '{
    "document_id": "7c9e6679-7425-40de-944b-e07fc1f90ae7",
    "type": "signed"
  }'

<?php
use DsignSdk\DsignClient;

$client = new DsignClient([
    'base_url'      => 'https://api.example.com',
    'access_key'    => 'ak_live_d83e201048b94103',
    'secret_key'    => 'sk_live_948f2038102941029',
    'enterprise_id' => '1002',
]);

$result = $client->documents->download([
    'document_id' => '7c9e6679-7425-40de-944b-e07fc1f90ae7',
    'type'        => 'signed',
]);

echo "下载链接: " . $result['download_url'];
echo "有效时间(秒): " . $result['expires_in'];

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

public class DownloadDocumentDemo {
    public static void main(String[] args) throws Exception {
        String accessKey = "ak_live_d83e201048b94103";
        String secretKey = "sk_live_948f2038102941029";
        String enterpriseId = "1002";
        long timestampMs = System.currentTimeMillis();
        String nonce = UUID.randomUUID().toString().replace("-", "");

        String jsonBody = "{\n" +
            "  \"document_id\": \"7c9e6679-7425-40de-944b-e07fc1f90ae7\",\n" +
            "  \"type\": \"signed\"\n" +
            "}";

        String signature = DsignSigner.buildSignature(
            secretKey, "POST", "/open/documents/download", "", jsonBody,
            timestampMs, nonce, enterpriseId, ""
        );

        HttpClient client = HttpClient.newHttpClient();
        HttpRequest request = HttpRequest.newBuilder()
            .uri(URI.create("https://api.example.com/open/documents/download"))
            .header("Content-Type", "application/json; charset=utf-8")
            .header("X-Api-Access-Key", accessKey)
            .header("X-Api-Timestamp", String.valueOf(timestampMs))
            .header("X-Api-Nonce", nonce)
            .header("X-Api-Signature", signature)
            .header("X-Api-Enterprise-Id", enterpriseId)
            .POST(HttpRequest.BodyPublishers.ofString(jsonBody))
            .build();

        HttpResponse<String> response = client.send(request, HttpResponse.BodyHandlers.ofString());
        System.out.println("HTTP 状态码: " + response.statusCode());
        System.out.println("下载地址响应: " + response.body());
    }
}

import requests, json

resp = requests.post("https://api.example.com/open/documents/download",
    headers=headers,
    data=json.dumps({
        "document_id": "7c9e6679-7425-40de-944b-e07fc1f90ae7",
        "type": "signed"
    })
)
print(resp.json())

const axios = require('axios');

axios.post('https://api.example.com/open/documents/download', {
  document_id: '7c9e6679-7425-40de-944b-e07fc1f90ae7',
  type: 'signed'
}, { headers }).then(res => console.log(res.data));