寻求ACC与BIM 360 Sheets文件上传示例及C#转APS开发指导

一、ACC图纸上传核心逻辑拆解 #

官方教程的流程可转化为C#可落地的4个关键步骤：

• 认证获取带ACC权限的令牌：通过APS OAuth2客户端凭证模式，申请包含data:write、bucket:create等必要权限的access token
• 创建/指定OBS存储桶：ACC图纸需存储在对应项目关联的对象存储桶中，可调用OSS API创建或复用已有桶
• 上传图纸文件：将本地DWG/PDF等文件通过OSS API上传到指定桶，获取文件的object ID
• 关联至ACC图纸集：调用ACC Sheets API，将上传的文件关联到目标项目的图纸集，完成图纸入库

二、C# 实现代码示例 #

以下是简化版核心代码片段，可直接在Visual Studio中调试：

1. 获取APS访问令牌 #

using System.Net.Http;
using System.Net.Http.Headers;
using System.Threading.Tasks;
using System.Text.Json;

public async Task<string> GetApsAccessToken(string clientId, string clientSecret, string scope)
{
    using var client = new HttpClient();
    var requestContent = new FormUrlEncodedContent(new[]
    {
        new KeyValuePair<string, string>("grant_type", "client_credentials"),
        new KeyValuePair<string, string>("client_id", clientId),
        new KeyValuePair<string, string>("client_secret", clientSecret),
        new KeyValuePair<string, string>("scope", scope)
    });

    var response = await client.PostAsync("https://developer.api.autodesk.com/authentication/v1/authenticate", requestContent);
    response.EnsureSuccessStatusCode();
    
    var authResult = await response.Content.ReadFromJsonAsync<AuthResponse>(new JsonSerializerOptions { PropertyNameCaseInsensitive = true });
    return authResult.AccessToken;
}

public class AuthResponse
{
    public string AccessToken { get; set; }
    public string TokenType { get; set; }
    public int ExpiresIn { get; set; }
}

2. 上传文件至OBS桶 #

public async Task<string> UploadFileToObs(string accessToken, string bucketKey, string objectName, string filePath)
{
    using var client = new HttpClient();
    client.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("Bearer", accessToken);
    
    using var fileStream = new FileStream(filePath, FileMode.Open);
    var response = await client.PutAsync($"https://developer.api.autodesk.com/oss/v2/buckets/{bucketKey}/objects/{objectName}", new StreamContent(fileStream));
    response.EnsureSuccessStatusCode();
    
    var uploadResult = await response.Content.ReadFromJsonAsync<UploadResponse>(new JsonSerializerOptions { PropertyNameCaseInsensitive = true });
    return uploadResult.ObjectId;
}

public class UploadResponse
{
    public string ObjectId { get; set; }
    public string ObjectKey { get; set; }
}

3. 将文件关联至ACC图纸集 #

public async Task CreateAccSheet(string accessToken, string projectId, string sheetSetId, string objectId, string sheetName)
{
    using var client = new HttpClient();
    client.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("Bearer", accessToken);
    client.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("application/vnd.api+json"));

    var requestBody = new
    {
        data = new
        {
            type = "sheets",
            attributes = new
            {
                name = sheetName,
                sourceFile = new
                {
                    type = "objects",
                    id = objectId
                }
            },
            relationships = new
            {
                sheetSet = new
                {
                    data = new
                    {
                        type = "sheetSets",
                        id = sheetSetId
                    }
                }
            }
        }
    };

    var response = await client.PostAsync($"https://developer.api.autodesk.com/acc/v1/projects/{projectId}/sheets", 
        JsonContent.Create(requestBody));
    response.EnsureSuccessStatusCode();
}

三、无示例时的自主实现方法 #

• 聚焦API端点细节：官方文档中每个API的请求方法、参数格式、请求体结构都有明确说明，直接对应到C#的HttpClient请求逻辑即可
• 用Postman调试：官方提供的Postman集合可快速验证每个API的正确性，调试通过后再转成C#代码，比纯看文档更高效
• 迁移Revit API思路：把Revit中“操作元素、事务提交”的逻辑，对应到APS的“资源CRUD、HTTP请求提交”，核心都是调用接口+处理数据模型
• 拆解任务分步实现：把复杂功能拆成独立小任务（比如先搞定认证，再做文件上传，最后关联图纸集），逐个突破后再串联整体流程

内容的提问来源于stack exchange，提问作者DanTartaglia