/// <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 void ProcessRequest(HttpContext context)
{
context.Response.AppendHeader("Access-Control-Allow-Origin", "*");
context.Response.ContentType = "application/x-www-form-urlencoded";
//context.Response.ContentType = "application/json";
context.Response.ContentEncoding = Encoding.UTF8;
int code = 0;
string msg = "";
string strError = "";
string strResult = "";
//图片二进制转文件
//读入已有的二进制文件
//设置打开文件的格式
/*string ConfigPth = HttpContext.Current.Server.MapPath(context.Request.ApplicationPath) + @"\test\002.dat";//获取当前路
* string binary = "";//二进制流字符串
* byte[] bytes = null;
* //使用“打开”对话框中选择的文件名实例化FileStream对象
* FileStream myStream = new FileStream(ConfigPth, FileMode.Open, FileAccess.Read);
* //使用FileStream对象实例化BinaryReader二进制写入流对象
* BinaryReader myReader = new BinaryReader(myStream);
* if (myReader.PeekChar() != -1)
* {
* //以二进制方式读取文件中的内容
* try
* {
* myReader.BaseStream.Seek(0, SeekOrigin.Begin);
* bytes = myReader.ReadBytes(Convert.ToInt32(myStream.Length.ToString()));
* binary = System.Text.Encoding.Default.GetString(bytes);
* }
* catch(EndOfStreamException ex)
* {
* msg = ex.Message;
* }
* }
* //关闭当前二进制读取流
* myReader.Close();
* //关闭当前文件流
* myStream.Close();
* strResult = "{\"binary\":\"" + binary + "\",\"msg\":\"" + msg + "\"}";
* //context.Response.Write(strResult);*/
//读取context中的二进制流,与读入已有的二进制文件二选一
byte[] bytes = new byte[context.Request.InputStream.Length];
context.Request.InputStream.Read(bytes, 0, bytes.Length);
string binary = System.Text.Encoding.Default.GetString(bytes);
//msg = "";
strResult = "{\"binary\":\"" + binary + "\",\"msg\":\"" + msg + "\"}";
//context.Response.Write(strResult);
//转化图片
int filelength = bytes.Length;//获得数组的长度
string time = DateTime.Now.ToString("yyyyMMdd-HH-mm-ss");
System.Random a = new Random(System.DateTime.Now.Millisecond); // use System.DateTime.Now.Millisecond as seed
int RandKey = a.Next(10000);
string picName = time + RandKey.ToString() + ".jpeg";
//string myUrl = "E:/STUDY/ProAPI/ProAPI/ProAPI/"+picName;//图片地址
string myUrl = HttpContext.Current.Server.MapPath(context.Request.ApplicationPath) + @"test\" + picName;//图片地址
// 创建文件流
FileStream fs = new FileStream(myUrl, FileMode.OpenOrCreate);
BinaryWriter w = new BinaryWriter(fs); //以二进制的形式将基元内写入流
w.BaseStream.Write(bytes, 0, filelength); //把数据库中的图片二进制添加到BinaryWriter
w.Flush();
w.Close();
//执行情绪识别
//参数字典
Dictionary <string, object> verifyPostParameters = new Dictionary <string, object>();
verifyPostParameters.Add("api_key", "JOjwHIfsDGiJddKzdq2Fgbc4xmrcQrFD");
verifyPostParameters.Add("api_secret", "PMJ-qFt4anrI5AZgv7waPjaBhaN1ejJw");
verifyPostParameters.Add("return_landmark", "1");
verifyPostParameters.Add("return_attributes", "emotion");
Bitmap bmp = new Bitmap(myUrl); // 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;
}
//添加图片参数
verifyPostParameters.Add("image_file", new HttpHelper4MultipartForm.FileParameter(fileImage, picName, "application/octet-stream"));
HttpWebResponse verifyResponse = HttpHelper4MultipartForm.MultipartFormDataPost("https://api-cn.faceplusplus.com/facepp/v3/detect", "", verifyPostParameters);
//context.Response.Write(verifyResponse);
//HttpWebResponse myResponse = (HttpWebResponse)verifyResponse.GetResponse();
Stream myResponseStream = verifyResponse.GetResponseStream();
StreamReader reader = new StreamReader(myResponseStream, Encoding.UTF8);
string returnjson = reader.ReadToEnd();
myResponseStream.Close();
reader.Close();
verifyResponse.Close();
//context.Response.Write(returnjson);
//return returnjson;
//上传数据库
try
{
JObject result = JObject.Parse(returnjson);//假设result为数据结构
DTOPicInfo data = new DTOPicInfo();
//data.error_message = result["error_message"].Value<string>("error_message");
data.face_num = result.Value <int>("face_num");
JArray faces = result.Value <JArray>("faces");
JObject facesjb = JObject.Parse(faces[0].ToString());
data.attributes = facesjb["attributes"]["emotion"].ToString();
DTOPicInfo model = JsonConvert.DeserializeObject <DTOPicInfo>(data.attributes);
data.anger = model.anger;
data.disgust = model.disgust;
data.happiness = model.happiness;
data.neutral = model.neutral;
data.sadness = model.sadness;
data.surprise = model.surprise;
data.fear = model.fear;
time = DateTime.Now.ToString("yyyyMMdd HH:mm:ss");
strResult = "{\"anger\":\"" + data.anger.ToString() + ",\"disgust\":\"" + data.disgust.ToString() + ",\"happiness\":\"" + data.happiness.ToString() + "\"}";
context.Response.Write(strResult);
if (strError == "")
{
//string strSql = "insert into aPicture(anger,disgust,happiness,neutral,sadness,surprise) values('" + data.anger + "','" + data.disgust + "','" + data.happiness + "','" + data.neutral + "','" + data.sadness + "','" + data.surprise + "');";
string strSql = "insert into aPicture(anger,disgust,happiness,neutral,sadness,GetInfoTime,facenum,Path,surprise,fear) values('" + data.anger + "','" + data.disgust + "','" + data.happiness + "','" + data.neutral + "','" + data.sadness + "','" + time + "','" + data.face_num + "','" + myUrl + "','" + data.surprise + "','" + data.fear + "');";
int iRows = SqlHelper.ExecInsert_Update_Delete(strSql);
if (iRows > 0)
{
code = 1;
msg = "操作成功！";
}
}
else
{
code = 0;
msg = strError;
}
}
catch (Exception ex)
{
code = 0;
msg = "操作失败！" + ex.Message;
}
strResult = "{\"code\":" + code + ",\"msg\":\"" + msg + "\"}";
context.Response.Write(strResult);
}
