/// <summary>
/// MultipartForm请求
/// </summary>
/// <param name="postUrl">服务地址</param>
/// <param name="userAgent"></param>
/// <param name="postParameters">参数</param>
/// <returns></returns>
public static HttpWebResponse MultipartFormDataPost(string postUrl, string userAgent, Dictionary <string, object> postParameters)
{
string text = string.Format("----------{0:N}", Guid.NewGuid());
string contentType = "multipart/form-data; boundary=" + text;//multipart类型
byte[] multipartFormData = HttpHelper4MultipartForm.GetMultipartFormData(postParameters, text);
return(HttpHelper4MultipartForm.PostForm(postUrl, userAgent, contentType, multipartFormData));
}
public string PostSend(string tempImg, string mergeImg)
{
try
{
//用来存储接口参数值
//Dictionary<string, object> verifyPostParameters = new Dictionary<string, object>();
Dictionary <string, object> verifyPostParameters = InitParams();
//var key = "JJ78KFXevml97OheVMKfzoanEJQsmzfb";//注册后得到的key
//var secret = "CBXHrGC7FcmR2YwUesVn4BS9M3cFBpPw";//注册后得到的secret
//var key = "Fa-KvgBUsg0ZV7STCfAFOw7RWTn1FccB";//注册后得到的key
//var secret = "yVnDEgWQu3cam6yGQ2abOleJdevV0I0d";//注册后得到的secret
////接口必须参数一
//verifyPostParameters.Add("api_key", key);
////接口必须参数二
//verifyPostParameters.Add("api_secret", secret);
//（模板图）
Bitmap bmp = new Bitmap(tempImg); // 图片地址
byte[] fileImage;
using (Stream stream1 = new MemoryStream())
{
bmp.Save(stream1, ImageFormat.Jpeg);
byte[] arr = new byte[stream1.Length];
stream1.Position = 0;
stream1.Read(arr, 0, (int)stream1.Length);
stream1.Close();
fileImage = arr;
}
//接口必须参数三 模板图的路径地址，必须以post multipart/form-data 的方式上传(此处通过调用HTTPHelper4MultipartForm的方法已实现)
verifyPostParameters.Add("template_file", new HttpHelper4MultipartForm.FileParameter(fileImage, "1.jpg", "application/octet-stream"));
//接口可选参数 脸部坐标位置
//verifyPostParameters.Add("template_rectangle", "415,225,402,402");
//（融合图）
Bitmap bmp2 = new Bitmap(mergeImg); // 图片地址
byte[] fileImage2;
using (Stream stream2 = new MemoryStream())
{
bmp2.Save(stream2, ImageFormat.Jpeg);
byte[] arr2 = new byte[stream2.Length];
stream2.Position = 0;
stream2.Read(arr2, 0, (int)stream2.Length);
stream2.Close();
fileImage2 = arr2;
}
//接口必须参数四 融合图的路径地址，必须以post multipart/form-data 的方式上传(此处通过调用HTTPHelper4MultipartForm的方法已实现)
verifyPostParameters.Add("merge_file", new HttpHelper4MultipartForm.FileParameter(fileImage2, "2.jpg", "application/octet-stream"));
//调用HttpHelper4MultipartForm的MultipartFormDataPost方法实现post提交并反馈第三方提供的返回结果
HttpWebResponse verifyResponse = HttpHelper4MultipartForm.MultipartFormDataPost("https://api-cn.faceplusplus.com/imagepp/v1/mergeface", "", verifyPostParameters);
//此处获取反馈的流来读取json格式的字符串，因为图片的字符串非常的“大”，必须循环获取，此操作在HttpHelper4MultipartForm类的MultipartFormDataPost方法中已经实现，所以在调用反馈的字符串是这个地方只需将它全部读取。
var res = verifyResponse.GetResponseStream();
StreamReader sr = new StreamReader(res, Encoding.ASCII);
string reslut = sr.ReadToEnd();
sr.Close();
res.Close();
verifyResponse.Close();
return(reslut);
}
catch (WebException ex)
{
HttpWebResponse res = (HttpWebResponse)ex.Response;
Stream myResponseStream = res.GetResponseStream();
StreamReader myStreamReader = new StreamReader(myResponseStream, Encoding.Default);
string retString = myStreamReader.ReadToEnd();
return(retString);
}
}