C# 上传至imgur.com
是一个图片上传网站,提供 我的代码看起来与他们作为示例提供的PHP代码一模一样。然而,在php代码中,它们是http\u build\u query($pvars)代码> 他们似乎在发布查询之前对其进行URL编码。编辑:请注意,我已更改为完整的.NET 3.5,而不是客户端配置文件。这使我能够访问C# 上传至imgur.com,c#,httpwebrequest,C#,Httpwebrequest,是一个图片上传网站,提供 我的代码看起来与他们作为示例提供的PHP代码一模一样。然而,在php代码中,它们是http\u build\u query($pvars) 他们似乎在发布查询之前对其进行URL编码。编辑:请注意,我已更改为完整的.NET 3.5,而不是客户端配置文件。这使我能够访问system.web,因此我使用了httputliity.urlencode()。这使得api返回一个“失败”和一个“未发送图像”。如果我没有编码,那么API会返回一个带有图片链接的“OK”,但是不会上传任何
system.web
,因此我使用了httputliity.urlencode()
。这使得api返回一个“失败”和一个“未发送图像”。如果我没有编码,那么API会返回一个带有图片链接的“OK”,但是不会上传任何图片(比如空白文件)
我如何修复我的代码,使其在API上正常工作
Image image = Image.FromFile("C:\\Users\\Affan\\Pictures\\1509310.jpg");
MemoryStream ms = new MemoryStream();
// Convert Image to byte[]
image.Save(ms, System.Drawing.Imaging.ImageFormat.Jpeg);
byte[] imageBytes = ms.ToArray();
WebRequest wb = WebRequest.Create(new Uri("http://imgur.com/api/upload.xml"));
wb.ContentType = "application/x-www-form-urlencoded";
wb.Method = "POST";
wb.Timeout = 10000;
Console.WriteLine(imageBytes.Length);
string parameters = "key=433a1bf4743dd8d7845629b95b5ca1b4&image=" + Convert.ToBase64String(imageBytes);
Console.WriteLine("parameters: " + parameters.Length);
System.Text.UTF8Encoding encoding = new System.Text.UTF8Encoding();
byte[] bytes = encoding.GetBytes(parameters);
// byte[] bytes = Convert.FromBase64String(parameters);
System.IO.Stream os = null;
try { // send the Post
wb.ContentLength = bytes.Length; //Count bytes to send
os = wb.GetRequestStream();
os.Write(bytes, 0, bytes.Length); //Send it
} catch (WebException ex) {
MessageBox.Show(ex.Message, "HttpPost: Request error");
Console.WriteLine(ex.Message);
} finally {
if (os != null) {
// os.Close();
}
}
try { // get the response
WebResponse webResponse = wb.GetResponse();
StreamReader sr = new StreamReader(webResponse.GetResponseStream());
//MessageBox.Show(sr.ReadToEnd().Trim());
Console.WriteLine(sr.ReadToEnd().Trim());
} catch (WebException ex) {
MessageBox.Show(ex.Message, "HttpPost: Response error");
}
我刚刚上传了这张图片 使用此代码:
using (var w = new WebClient())
{
var values = new NameValueCollection
{
{ "key", "433a1bf4743dd8d7845629b95b5ca1b4" },
{ "image", Convert.ToBase64String(File.ReadAllBytes(@"hello.png")) }
};
byte[] response = w.UploadValues("http://imgur.com/api/upload.xml", values);
Console.WriteLine(XDocument.Load(new MemoryStream(response)));
}
您现在可能需要更改API密钥:-)
结果是:
<rsp stat="ok">
<image_hash>IWg2O</image_hash>
<delete_hash>fQAXiR2Fdq</delete_hash>
<original_image>http://i.imgur.com/IWg2O.png</original_image>
<large_thumbnail>http://i.imgur.com/IWg2Ol.jpg</large_thumbnail>
<small_thumbnail>http://i.imgur.com/IWg2Os.jpg</small_thumbnail>
<imgur_page>http://imgur.com/IWg2O</imgur_page>
<delete_page>http://imgur.com/delete/fQAXiR2Fdq</delete_page>
</rsp>
IWg2O
fQAXiR2Fdq
http://i.imgur.com/IWg2O.png
http://i.imgur.com/IWg2Ol.jpg
http://i.imgur.com/IWg2Os.jpg
http://imgur.com/IWg2O
http://imgur.com/delete/fQAXiR2Fdq
以下是dtb针对v3 API的答案的更新版本,使用匿名上传(您需要在注册应用程序以获取客户端ID):
使用(var w=new WebClient())
{
字符串clientID=“”;
w、 添加(“授权”、“客户端ID”+客户端ID);
var values=新的NameValueCollection
{
{“image”,Convert.ToBase64String(File.ReadAllBytes(@“hello.png”)}
};
字节[]响应=w.上传值(“https://api.imgur.com/3/upload.xml“、价值观);
Console.WriteLine(XDocument.Load(newmemoryStream(response));
}
现在的回答是这样的(参见):
SbBGk
1341533193
图像/jpeg
假的
2559
1439
521916
1.
521916
EYZD3NJHSBRED1
http://i.imgur.com/SbBGk.jpg
我想这个解决方案已经过时了
using (var w = new WebClient())
{
var values = new NameValueCollection
{
{"image", Convert.ToBase64String(imageData)},
{"type", "base64"}
};
w.Headers.Add("Authorization", "Client-ID xxxxxxxxx");
var response = w.UploadValues("https://api.imgur.com/3/image", values);
}
另一种方法是:
HttpWebRequest request = (HttpWebRequest)WebRequest.Create("https://api.imgur.com/3/image");
request.Headers.Add("Authorization", "Client-ID xxxxxxx");
request.Method = "POST";
ASCIIEncoding enc = new ASCIIEncoding();
string postData = Convert.ToBase64String(imageData);
byte[] bytes = enc.GetBytes(postData);
request.ContentType = "application/x-www-form-urlencoded";
request.ContentLength = bytes.Length;
Stream writer = request.GetRequestStream();
writer.Write(bytes, 0, bytes.Length);
HttpWebResponse response = (HttpWebResponse)request.GetResponse();
哇,我花了将近5个小时在那上面。。谢谢你。你能找出为什么我的方法行不通吗?回答得好!我一直喜欢“少即是多”的解决方案。诚然,你在没有错误检查的情况下只进行了简单的检查,但即使将其添加回。。。是的,不错。请注意,imgur已更改为其API的新版本。的URI是
http://api.imgur.com/2/upload
。响应XML已更改,但发出请求的C#代码与URI的区别相同。他们现在将其更改为v3。现在它似乎需要OpenAuth。您能否更新您的答案以反映这一点?->请不要将应用程序的密钥和id与代码放在一起。确认从2018年10月9日起,此操作仍能正常工作。请从URL中删除.xml,然后使用Encoding.UTF8.GetString(响应)查看JSON输出
using (var w = new WebClient())
{
var values = new NameValueCollection
{
{"image", Convert.ToBase64String(imageData)},
{"type", "base64"}
};
w.Headers.Add("Authorization", "Client-ID xxxxxxxxx");
var response = w.UploadValues("https://api.imgur.com/3/image", values);
}
HttpWebRequest request = (HttpWebRequest)WebRequest.Create("https://api.imgur.com/3/image");
request.Headers.Add("Authorization", "Client-ID xxxxxxx");
request.Method = "POST";
ASCIIEncoding enc = new ASCIIEncoding();
string postData = Convert.ToBase64String(imageData);
byte[] bytes = enc.GetBytes(postData);
request.ContentType = "application/x-www-form-urlencoded";
request.ContentLength = bytes.Length;
Stream writer = request.GetRequestStream();
writer.Write(bytes, 0, bytes.Length);
HttpWebResponse response = (HttpWebResponse)request.GetResponse();