我有一个REST API试图从我的web api调用(获取)一个字节数组。 这是我的客户代码:
left join
这是我的服务器API:
Uri uri = new Uri(URL);
httpClient.DefaultRequestHeaders.Accept.Clear();
httpClient.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("application/Binary"));
HttpResponseMessage response = await httpClient.GetAsync(uri + route + "?" + COMPANY_REF + "=" + ApplicationObject.CompanyRef);
response.EnsureSuccessStatusCode();
var result = response.Content.ReadAsByteArrayAsync().Result
服务器返回的字节数组是:
客户端收到的字节数组是:
正如您所看到的那样,它的大小和价值都是错误的。
我假设这是媒体标题,目前设置为:
[HttpGet]
public byte[] Get(Guid companyRef)
{
Mapper.CreateMap<Services.Group,Models.Group>();
var test = Mapper.Map<List<Models.Group>>(groupRepository.Get(companyRef));
var t = Compression.Serialize(test);
return t;
}
public static byte[] Serialize(this Object obj)
{
if (obj == null)
{
return null;
}
using (var memoryStream = new MemoryStream())
{
var binaryFormatter = new BinaryFormatter();
binaryFormatter.Serialize(memoryStream, obj);
var compressed = Compression.Zip(memoryStream.ToArray());
return compressed;
}
}
使用Fiddler似乎认为它正在期待Json。所以我把它改成了 '应用程序/ JSON'
那不行。
我也使用了base64Binary,但也没用。
我还能尝试什么?
附加: 我直接在浏览器中输入api的结果:
httpClient.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("application/Binary"));
更多信息:
如果改变这个:
<base64Binary xmlns="http://schemas.microsoft.com/2003/10/Serialization/">
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
</base64Binary>
对此:
var result = response.Content.ReadAsByteArrayAsync().Result;
byte[] resultFromServer = Encoding.ASCII.GetBytes("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");
byte[] actualBytes = Convert.FromBase64String(Encoding.ASCII.GetString(resultFromServer));
我收到错误:
输入不是有效的Base-64字符串,因为它包含非基本64个字符,两个以上的填充字符或填充字符中的非法字符。
这是结果的值
“H4sIAAAAAAAEAKWS32vUQBDHN3u5TXJRUSr1B4pBX49g / 4CDlhb64K9Dq304jjWXTK / rbXePb CKc4N8qCIIgCILvOnO92KDNkxP2m2SYz8zszjKPMfYLjd5kVzjK7jHMxrasMj1M3kDplDWjnfQ xPcNkv9ZVXcLIQF2VFDGuZ1rlT2B1ZBdgRqbW2qd0H1 + tXAVn6b7VGvIKk7j0EAyUKk + fKle93ZlM / hRKn9kCNAaUtl4Ok / 9tYDrtYQdCKmzA9aVTHyCU788z + YzdvrzuZEq7D8OI4BBXhCugH + ZtPP725SiBkU / SJxEkAck6DeWJBiQxSp / iOvKsK6 + / XsKJ / zw7g / gAXF6qJR1gz / Pizake1qq gov5PnF7bSRW4zLiccZlzWXAJXJ5wOefylEvF5TsuF + zCwiDgG2N / mbiKEh / ZIlu55NiWC3GNvOfFPNoo7cT7gR1QF // g11F6e1qLGy1MNNj3LmwLZfD aZM6puYFC3GzRQUN / 66K3KeLFEoy41eLChvvaxd2hWY / BFMrMxd0WGjXoly70HqF7M5wmdnu / h的 Q4a9HMX + oAiDqwBkbS4uOE + dXEPKcLg9RCPaEbFxR2JfwNB64eo1AMAAA ==“
来自Debug.Write:
“H4sIAAAAAAAEAKWS32vUQBDHN3u5TXJRUSr1B4pBX49g / 4CDlhb64K9Dq304jjWXTK / rbXePbCKc4N8qCIIgCILvOnO92KDNkxP2m2SYz8zszjKPMfYLjd5kVzjK7jHMxrasMj1M3kDplDWjnfQxPcNkv9ZVXcLIQF2VFDGuZ1rlT2B1ZBdgRqbW2qd0H1 + tXAVn6b7VGvIKk7j0EAyUKk + fKle93ZlM / hRKn9kCNAaUtl4Ok / 9tYDrtYQdCKmzA9aVTHyCU788z + YzdvrzuZEq7D8OI4BBXhCugH + ZtPP725SiBkU / SJxEkAck6DeWJBiQxSp / iOvKsK6 + / XsKJ / zw7g / gAXF6qJR1gz / Pizake1qqgov5PnF7bSRW4zLiccZlzWXAJXJ5wOefylEvF5TsuF + zCwiDgG2N / mbiKEh / ZIlu55NiWC3GNvOfFPNoo7cT7gR1QF // g11F6e1qLGy1MNNj3LmwLZfDaZM6puYFC3GzRQUN / 66K3KeLFEoy41eLChvvaxd2hWY / BFMrMxd0WGjXoly70HqF7M5wmdnu / hQ4a9HMX + oAiDqwBkbS4uOE + dXEPKcLg9RCPaEbFxR2JfwNB64eo1AMAAA ==“
为了使这最终成功,我必须这样做:
var result = response.Content.ReadAsStringAsync().Result;
byte[] resultFromServer = Encoding.ASCII.GetBytes(result);
byte[] actualBytes = Convert.FromBase64String(Encoding.ASCII.GetString(resultFromServer));
由于
答案 0 :(得分:2)
由于您以字符串形式获取响应,因此只需解码该Base64字符串。
var result = response.Content.ReadAsStringAsync()。Result; byte [] actualBytes = Convert.FromBase64String(result);
答案 1 :(得分:2)
经过一番研究,我发现asp网络核心团队不想解决此问题(https://github.com/aspnet/Mvc/issues/7926),要解决您的问题,您必须返回“ FileStreamResult”。
以此更改您的控制器
[HttpGet]
public FileStreamResult Get(Guid companyRef)
{
Mapper.CreateMap<Services.Group, Models.Group>();
var test = Mapper.Map<List<Models.Group>>(groupRepository.Get(companyRef));
var t = Compression.Serialize(test);
return File(new MemoryStream(t), "application/octet-stream");
}