448 lines
16 KiB
C#
448 lines
16 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Web;
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using System.Diagnostics;
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using System.IO;
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using System.Threading;
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using System.Text;
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using BLL;
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namespace RLSB
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{
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public class LabelImage
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{
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public string Label { get; set; }
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public string Image { get; set; }
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}
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public class LabelImageResult
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{
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public List<LabelImage> list { get; set; }
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public int err { get; set; }
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}
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public class LabelResult
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{
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public string[] list { get; set; }
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public int err { get; set; }
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public string desc { get; set; }
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}
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/// <summary>
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/// RLSBProccess 的摘要说明
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/// </summary>
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public class RLSBProccess : IHttpHandler, System.Web.SessionState.IRequiresSessionState
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{
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public void ProcessRequest(HttpContext context)
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{
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try
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{
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if (context.Request.HttpMethod == "POST")
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{
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DoProccess(context);
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}
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else
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{
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DoGetProccess(context);
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}
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}
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catch (ThreadAbortException ex)
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{
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//忽略此异常!
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}
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catch (Exception ex)
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{
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context.Response.Write(ex.ToString());
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try { context.Response.End(); }
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catch { }
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}
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//context.Response.ContentType = "text/plain";
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//context.Response.Write("Hello World");
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}
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Object m_GetObj = null;
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HttpContext m_tmpContext = null;
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void GetCallBackLabel(int err, string content)
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{
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if (m_GetObj != null)
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{
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LabelResult lr = m_GetObj as LabelResult;
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if (lr != null)
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{
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lr.list = content.Split(';');
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lr.err = 0;
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lr.desc = "";
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if (m_tmpContext != null)
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m_tmpContext.Response.Write(JsonHelper.JsonSerializer(lr));
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}
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}
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}
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void GetCallBackLabelImage(int err, string content)
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{
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if (m_GetObj != null)
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{
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LabelImageResult lr = m_GetObj as LabelImageResult;
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if (lr != null)
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{
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string[] aliAry = content.Split(';');
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lr.list = new List<LabelImage>();
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foreach (var s in aliAry)
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{
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LabelImage li = new LabelImage();
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string[] tmp = s.Split(',');
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if (tmp.Count() == 2)
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{
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li.Image = tmp[1];
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li.Label = tmp[0];
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lr.list.Add(li);
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}
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}
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if (m_tmpContext != null)
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m_tmpContext.Response.Write(JsonHelper.JsonSerializer(lr));
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}
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}
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}
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/// <summary>
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/// 新加方法
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/// </summary>
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/// <param name="context"></param>
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void GetCallBackLabelImageByLabel(int err, string content)
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{
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string[] aliAry = content.Split(';'); // format: label,image;label,image
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foreach (var s in aliAry)
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{
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LabelImage li = new LabelImage();
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string[] tmp = s.Split(',');
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if (tmp.Count() == 2)
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{
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if (tmp[0].Equals(searchLabel))
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{
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searchImage = tmp[1];
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break;
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}
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}
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}
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}
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/// <summary>
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/// 新加方法
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/// </summary>
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/// <param name="context"></param>
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void GetAllCallBackLabelImageByLabel(int err, string content)
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{
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string[] aliAry = content.Split(';'); // format: label,image;label,image
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foreach (var s in aliAry)
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{
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LabelImage li = new LabelImage();
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string[] tmp = s.Split(',');
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if (tmp.Count() == 2)
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{
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if (tmp[0].Equals(searchLabel))
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{
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allSearchImage += tmp[1] + ",";
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}
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}
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}
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if (!string.IsNullOrEmpty(allSearchImage))
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{
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allSearchImage = allSearchImage.Substring(0,allSearchImage.LastIndexOf(","));
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}
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}
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string searchLabel;
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string searchImage;
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string allSearchImage;
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/// <summary>
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/// 新加方法根据标签获取图片封装
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/// </summary>
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/// <param name="context"></param>
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public string GetImageByLabel(string label)
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{
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searchLabel = label;
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searchImage = "未找到匹配的图片";
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libFace.GetAllLabelAndImage(GetCallBackLabelImageByLabel);
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//searchImage;//此时searchImage就是对应标签的图片文件名
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return searchImage;
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}
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/// <summary>
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/// 新加方法根据标签获取所有图片封装
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/// </summary>
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/// <param name="context"></param>
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public string GetAllImageByLabel(string label)
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{
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searchLabel = label;
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libFace.GetAllLabelAndImage(GetAllCallBackLabelImageByLabel);
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if (string.IsNullOrEmpty(allSearchImage))
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{
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allSearchImage = "未找到匹配的图片";
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}
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//allSearchImage;//此时allSearchImage就是对应标签的所有图片文件名
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return allSearchImage;
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}
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void DoGetProccess(HttpContext context)
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{
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string action = context.Request.Params["action"];
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switch (action)
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{
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case "alllabel":
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LabelResult lr = new LabelResult();
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m_GetObj = lr;
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m_tmpContext = context;
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libFace.GetAllLabel(GetCallBackLabel);//.Split(';');
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//lr.list
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break;
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case "alllabelimage":
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m_GetObj = new LabelImageResult();
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m_tmpContext = context;
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libFace.GetAllLabelAndImage(GetCallBackLabelImage);
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break;
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case "getimage":
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string filename = context.Request.Params["name"].Trim();
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if (filename == "")
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{
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context.Response.End();
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break;
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}
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string filepath = context.Server.MapPath("~/SeetaFaceDir/modelimages/" + filename);
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context.Response.ContentType = "image/jpg";
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try
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{
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context.Response.WriteFile(filepath);
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}
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catch { }
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break;
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default:
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//LabelResult
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lr = new LabelResult();
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lr.err = 3;
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lr.desc = "无效的action请求!";
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context.Response.Write(JsonHelper.JsonSerializer(lr));
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break;
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}
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context.Response.End();
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}
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void GetCallBackLabelQuickShiBie(int err, string content)
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{
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if (null != m_GetObj)
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{
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StringBuilder sb = m_GetObj as StringBuilder;
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if (sb != null)
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{
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sb.Append(content);
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}
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}
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}
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/// <summary>
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/// 文件内容是十六进制的字符串，需要读出来传递给库
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/// </summary>
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/// <param name="filename"></param>
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/// <returns></returns>
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string QuickShiBie(string filename)
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{
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try
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{
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FileStream stream = File.OpenRead(filename);
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StreamReader sr = new StreamReader(stream);
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string strFeature = sr.ReadToEnd();
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StringBuilder sb = new StringBuilder();
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m_GetObj = sb;
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libFace.GetNameByFeature(strFeature, 3, GetCallBackLabelQuickShiBie);
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sr.Close();
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return sb.ToString();
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}
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catch (Exception)
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{
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return "ERR:识别异常!";
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}
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}
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string TrainFile(HttpServerUtility server, string filename, string label)
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{
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try
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{
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//bool b = libFace.AddFileLabel(filename, label);
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//由于训练图片需要时间，这里加个线程处理，即时返回客户端，但并不表示马上训练成功，防止上传图时被柱塞
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new Thread(() =>
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{
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try
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{
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bool b = libFace.TrainFileLabel(filename, label);
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System.IO.File.Delete(filename);
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//修改焊工是否已训练
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Model.HJGL_BS_Welder welder = BLL.HJGL_PersonManageService.GetWelderByIdentityCard(label);
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if (welder != null)
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{
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welder.IsFaceTrain = true;
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BLL.HJGL_PersonManageService.UpdateBSWelderIsFaceTrain(welder);
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}
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//修改保管员是否已训练
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Model.Weld_Storeman storeman = BLL.StoremanInfoService.GetStoremanByIdentityCard(label);
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if (storeman != null)
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{
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storeman.IsFaceTrain = true;
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BLL.StoremanInfoService.UpdateStoreManIsFaceTrain(storeman);
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}
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Logger.WriteLog(server, "TrainFile " + filename + " " + (b ? "成功" : "失败"));
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}
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catch (Exception ex)
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{
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string log = string.Format("TrainFile {0}Exception:" + ex.ToString(), filename);
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Logger.WriteLog(server, log);
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System.IO.File.Delete(filename);
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}
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}).Start();
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return "上传图已加入训练队列!服务器正处理中，稍后将生效!";
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}
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catch (Exception)
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{
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return "训练异常!";
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}
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}
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void GetCallBackLabelShibie(int err, string content)
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{
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if (null != m_GetObj)
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{
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StringBuilder sb = m_GetObj as StringBuilder;
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if (sb != null)
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{
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sb.Append(content);
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}
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}
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}
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/// <summary>
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/// 识别人脸，filename上传的图片所存的位置
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/// </summary>
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/// <param name="filename"></param>
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/// <returns></returns>
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string Shibie(string filename)
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{
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try
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{
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var sb = new StringBuilder();
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m_GetObj = sb;
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libFace.GetNameByFile(filename, 3, GetCallBackLabelShibie);
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return sb.ToString();
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}
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catch (Exception)
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{
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return "ERR:识别异常!";
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}
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}
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void DoProccess(HttpContext context)
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{
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string action = context.Request.Form["action"];
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string filename;
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switch (action)
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{
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//训练人脸库，上传的是图片
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case "train":
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string label = context.Request.Form["label"].Trim();
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if (string.IsNullOrEmpty(label))
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{
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context.Response.Write("失败，没有设置标签！");
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break;
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}
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if (context.Request.Files.Count != 1)
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{
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context.Response.Write("失败，没有上传一个文件（一次支持一张）！");
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break;
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}
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filename = context.Server.MapPath("~/tmpupload/" + (DateTime.Now).ToString("yyyyMMddHHmmss") + ".jpg");
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context.Request.Files[0].SaveAs(filename);
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context.Response.Write(TrainFile(context.Server, filename, label));
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//由于控件内部处理也是使用此接口，所以过滤掉控件的请求，控件不执行以下代码
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if (-1 == context.Request.UserAgent.IndexOf("ActiveXSeetaFace"))
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{
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context.Response.Write("<script type='text/javascript'>parent.OnUploadOver();</script>");
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}
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//由于使用线程处理，下面不能删文件，否则将出错!
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//////System.IO.File.Delete(filename);
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break;
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//识别人脸
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case "shibie":
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if (context.Request.Files.Count != 1)
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{
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context.Response.Write("失败，没有上传一个文件（一次支持一张）！");
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break;
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}
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{
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filename = context.Server.MapPath("~/tmpupload/" + (DateTime.Now).ToString("yyyyMMddHHmmss") + ".jpg");
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context.Request.Files[0].SaveAs(filename);
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context.Response.Write(Shibie(filename));
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System.IO.File.Delete(filename);
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}
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break;
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//快速识别，上传的是特证码（十六进制字符串)
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case "quickshibie":
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if (context.Request.Files.Count != 1)
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{
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context.Response.Write("失败，没有上传一个文件（一次支持一张）！");
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break;
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}
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{
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filename = context.Server.MapPath("~/tmpupload/" + (DateTime.Now).ToString("yyyyMMddHHmmss") + ".jpg");
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context.Request.Files[0].SaveAs(filename);
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context.Response.Write(QuickShiBie(filename));
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System.IO.File.Delete(filename);
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}
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break;
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//以标签方式删除库
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//返回JSON格式
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case "delliblabel":
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context.Response.ContentType = "application/json";
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label = context.Request.Form["label"].Trim();
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if (string.IsNullOrEmpty(label))
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{
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context.Response.Write("{\"err\":1,\"desc\":\"失败，没有设置标签！\"}");
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break;
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}
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bool bOK = libFace.DelLibByLabel(label);
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if (bOK)
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{
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context.Response.Write("{\"err\":0,\"desc\":\"删除成功!\"}");
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}
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else
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{
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context.Response.Write("{\"err\":1,\"desc\":\"删除失败或者此标签已不存在!\"}");
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}
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break;
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//以图片名方式删除库
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case "dellibfile":
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context.Response.ContentType = "application/json";
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filename = context.Request.Form["filename"];
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if (string.IsNullOrEmpty(filename))
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{
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context.Response.Write("{\"err\":1,\"desc\":\"失败，没有设置文件名！\"}");
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break;
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}
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bOK = libFace.DelLibByFileName(filename);
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if (bOK)
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{
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context.Response.Write("{\"err\":0,\"desc\":\"删除成功!\"}");
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}
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else
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{
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context.Response.Write("{\"err\":2,\"desc\":\"删除失败或者此文件已不存在!\"}");
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}
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break;
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default:
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context.Response.Write("失败，请求有误!未知的action");
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break;
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}
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context.Response.End();
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}
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public bool IsReusable
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{
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get
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{
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return false;
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}
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}
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}
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} |