闸机返回车牌号

BrakeMachine/Brack/BrackMgr.cs

@@ -20,6 +20,29 @@ namespace BrakeMachine.Brack
 
         private const int m_WaitTime = 5000;
 
+        public static DateTime dateTime = System.DateTime.Now;
+        /// <summary>
+        /// 
+        /// </summary>
+        /// <returns></returns>
+        public static string PlateNumber
+        {
+            get
+            {
+                if ((System.DateTime.Now - dateTime).Seconds >= 30)
+                {
+                    return "";
+                }
+
+                return PlateNumber;
+            }
+            
+            set
+            {
+                value = PlateNumber;
+            }
+        }
+        
         #region 连接
 
         /// <summary>
@@ -63,6 +86,8 @@ namespace BrakeMachine.Brack
                         eventInfo.Index = info.stuFileInfo.bIndex.ToString();
                         eventInfo.Count = info.stuFileInfo.bCount.ToString();
                         eventInfo.PlateNumber = info.stTrafficCar.szPlateNumber;
+                        PlateNumber=info.stTrafficCar.szPlateNumber;
+                        dateTime = DateTime.Now;
                         eventInfo.PlateColor = info.stTrafficCar.szPlateColor;
                         eventInfo.PlateType = info.stTrafficCar.szPlateType;
                         eventInfo.VehicleColor = info.stTrafficCar.szVehicleColor;

BrakeMachine/Brack/EventInfo.cs

@@ -10,6 +10,9 @@ public class EventInfo
     public string GroupID { get; set; }
     public string Index { get; set; }
     public string Count { get; set; }
+    /// <summary>
+    /// 车牌
+    /// </summary>
     public string PlateNumber { get; set; }
     public string PlateType { get; set; }
     public string PlateColor { get; set; }

BrakeMachine/Brack/HttpHandler.cs

@@ -8,58 +8,65 @@ using log4net;
 
 namespace BrakeMachine.Brack
 {
-    public class HttpHandler: SimpleChannelInboundHandler<DefaultHttpRequest>
+    public class HttpHandler : SimpleChannelInboundHandler<DefaultHttpRequest>
     {
         private static readonly ILog Log = LogManager.GetLogger(typeof(HttpHandler));
 
-    static readonly AsciiString TypePlain = AsciiString.Cached("text/plain; charset=utf-8");
+        static readonly AsciiString TypePlain = AsciiString.Cached("text/plain; charset=utf-8");
-    static readonly AsciiString TypeJson = AsciiString.Cached("application/json; charset=utf-8");
+        static readonly AsciiString TypeJson = AsciiString.Cached("application/json; charset=utf-8");
-    static readonly AsciiString OkLength = AsciiString.Cached(Encoding.UTF8.GetBytes("true").Length.ToString());
+        static readonly AsciiString OkLength = AsciiString.Cached(Encoding.UTF8.GetBytes("true").Length.ToString());
-    static readonly AsciiString FailLength = AsciiString.Cached(Encoding.UTF8.GetBytes("false").Length.ToString());
+        static readonly AsciiString FailLength = AsciiString.Cached(Encoding.UTF8.GetBytes("false").Length.ToString());
-    static readonly AsciiString ServerName = AsciiString.Cached("Netty");
+        static readonly AsciiString ServerName = AsciiString.Cached("Netty");
-    static readonly AsciiString ContentTypeEntity = HttpHeaderNames.ContentType;
+        static readonly AsciiString ContentTypeEntity = HttpHeaderNames.ContentType;
-    static readonly AsciiString DateEntity = HttpHeaderNames.Date;
+        static readonly AsciiString DateEntity = HttpHeaderNames.Date;
-    static readonly AsciiString ContentLengthEntity = HttpHeaderNames.ContentLength;
+        static readonly AsciiString ContentLengthEntity = HttpHeaderNames.ContentLength;
-    static readonly AsciiString ServerEntity = HttpHeaderNames.Server;
+        static readonly AsciiString ServerEntity = HttpHeaderNames.Server;
 
-    protected override void ChannelRead0(IChannelHandlerContext ctx, DefaultHttpRequest req)
+        protected override void ChannelRead0(IChannelHandlerContext ctx, DefaultHttpRequest req)
-    {
-        Log.Info($"{req.Uri}, {req}");
-
-        DefaultFullHttpResponse response = null;
-        switch (req.Uri)
         {
-              case "/Api/Manualsnap"://抓拍
+            Log.Info($"{req.Uri}, {req}");
-                  BrackMgr.Manualsnap();
-                  //this.WriteResponse(ctx, Unpooled.WrappedBuffer(Encoding.UTF8.GetBytes(closeRfid.ToString())), TypePlain, closeRfid?OkLength: FailLength);
-                  break;
-              default:
-                  response = new DefaultFullHttpResponse(HttpVersion.Http11, HttpResponseStatus.NotFound, Unpooled.Empty, false);
-                  ctx.WriteAndFlushAsync(response);
-                  break;
-        }
 
+            DefaultFullHttpResponse response = null;
+            switch (req.Uri)
+            {
+                case "/Api/Manualsnap": //抓拍
+                    BrackMgr.Manualsnap();
+                    string msg = "抓拍成功";
+                    this.WriteResponse(ctx, Unpooled.WrappedBuffer(Encoding.UTF8.GetBytes(msg)), TypePlain, OkLength);
+                    break;
+                case "/Api/LicensePlateNumber": //车牌号码
+                    if(!string.IsNullOrEmpty(BrackMgr.PlateNumber))
+                        this.WriteResponse(ctx, Unpooled.WrappedBuffer(Encoding.UTF8.GetBytes(BrackMgr.PlateNumber)), TypePlain, OkLength);
+                    else
+                        this.WriteResponse(ctx, Unpooled.WrappedBuffer(Encoding.UTF8.GetBytes(BrackMgr.PlateNumber)), TypePlain, FailLength);
+                    break;
+                default:
+                    response = new DefaultFullHttpResponse(HttpVersion.Http11, HttpResponseStatus.NotFound,
+                        Unpooled.Empty, false);
+                    ctx.WriteAndFlushAsync(response);
+                    break;
+            }
+        }
 
-    }
+        void WriteResponse(IChannelHandlerContext ctx, IByteBuffer buf, ICharSequence contentType,
-
+            ICharSequence contentLength)
-    void WriteResponse(IChannelHandlerContext ctx, IByteBuffer buf, ICharSequence contentType,
+        {
-        ICharSequence contentLength)
+            DateTime dateTime = DateTime.UtcNow;
-    {
+            // Build the response object.
-        DateTime dateTime = DateTime.UtcNow;
+            var response = new DefaultFullHttpResponse(HttpVersion.Http11, HttpResponseStatus.OK, buf, false);
-        // Build the response object.
+            HttpHeaders headers = response.Headers;
-        var response = new DefaultFullHttpResponse(HttpVersion.Http11, HttpResponseStatus.OK, buf, false);
+            headers.Set(ContentTypeEntity, contentType);
-        HttpHeaders headers = response.Headers;
+            headers.Set(ServerEntity, ServerName);
-        headers.Set(ContentTypeEntity, contentType);
+            headers.Set(DateEntity, AsciiString.Cached($"{dateTime.DayOfWeek}, {dateTime:dd MMM yyyy HH:mm:ss z}"));
-        headers.Set(ServerEntity, ServerName);
+            headers.Set(ContentLengthEntity, contentLength);
-        headers.Set(DateEntity, AsciiString.Cached($"{dateTime.DayOfWeek}, {dateTime:dd MMM yyyy HH:mm:ss z}"));
-        headers.Set(ContentLengthEntity, contentLength);
 
-        // Close the non-keep-alive connection after the write operation is done.
+            // Close the non-keep-alive connection after the write operation is done.
-        ctx.WriteAsync(response);
+            ctx.WriteAsync(response);
-    }
+        }
 
-    public override void ExceptionCaught(IChannelHandlerContext context, Exception exception) => context.CloseAsync();
+        public override void ExceptionCaught(IChannelHandlerContext context, Exception exception) =>
+            context.CloseAsync();
 
-    public override void ChannelReadComplete(IChannelHandlerContext context) => context.Flush();
+        public override void ChannelReadComplete(IChannelHandlerContext context) => context.Flush();
     }
 }