From e174df64499d48aa11fe9844a160da051cebf7fd Mon Sep 17 00:00:00 2001
From: waterliu99 <qqcc2012game@163.com>
Date: Mon, 28 Jun 2021 10:38:58 +0800
Subject: [PATCH] =?UTF-8?q?=E5=BC=BA=E5=88=B6=E8=BD=AC=E6=8D=A2=E6=88=9020?=
=?UTF-8?q?13demo=E5=8F=8A=E6=96=87=E6=A1=A3=E7=BC=96=E5=86=99?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
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---
README.md | 7 ++++
src/JT808.Protocol.Test/Simples/Demo15.cs | 48 +++++++++++++++++++++++
2 files changed, 55 insertions(+)
create mode 100644 src/JT808.Protocol.Test/Simples/Demo15.cs
diff --git a/README.md b/README.md
index 262b28a..1f8c83f 100644
--- a/README.md
+++ b/README.md
@@ -327,6 +327,13 @@ JT808Serializer DT2JT808Serializer = new JT808Serializer(DT2JT808Config);
[可以参考Simples的Demo14](https://github.com/SmallChi/JT808/blob/master/src/JT808.Protocol.Test/Simples/Demo14.cs)
+### 举个栗子15
+
+场景:
+由于某些厂商不按要求去做，明明使用的2013的协议但是在消息头部的版本标识位置为1，导致程序认为是2019协议。从而解析报错。此时可以强制解析成2013后，然后修正版本标识，重新序列化消息，以供下游服务使用
+
+[可以参考Simples的Demo15](https://github.com/SmallChi/JT808/blob/master/src/JT808.Protocol.Test/Simples/Demo15.cs)
+
## NuGet安装
| Package Name| Version| Preview Version |Downloads|Remark|
diff --git a/src/JT808.Protocol.Test/Simples/Demo15.cs b/src/JT808.Protocol.Test/Simples/Demo15.cs
new file mode 100644
index 0000000..f48ea51
--- /dev/null
+++ b/src/JT808.Protocol.Test/Simples/Demo15.cs
@@ -0,0 +1,48 @@
+using JT808.Protocol.Enums;
+using JT808.Protocol.Interfaces;
+using JT808.Protocol.Internal;
+using JT808.Protocol.Extensions;
+using Microsoft.Extensions.DependencyInjection;
+using System;
+using System.Collections.Generic;
+using System.Text;
+using Xunit;
+using JT808.Protocol.MessageBody;
+using JT808.Protocol.Formatters;
+using JT808.Protocol.MessagePack;
+using System.Text.Json;
+using JT808.Protocol.MessageBody.CarDVR;
+using System.Linq;
+using JT808.Protocol.Test.JT808LocationAttach;
+using static JT808.Protocol.MessageBody.JT808_0x8105;
+using System.Buffers.Binary;
+using Newtonsoft.Json;
+
+namespace JT808.Protocol.Test.Simples
+{
+ public class Demo15
+ {
+ JT808Serializer JT808Serializer;
+
+ public Demo15()
+ {
+ IServiceCollection serviceDescriptors = new ServiceCollection();
+ serviceDescriptors.AddJT808Configure();
+ //通常在startup中使用app的Use进行扩展
+ IServiceProvider serviceProvider = serviceDescriptors.BuildServiceProvider();
+ JT808Serializer = serviceProvider.GetRequiredService<IJT808Config>().GetSerializer();
+ }
+
+ [Fact]
+ public void Test1()
+ {
+ var bytes = "7e0102400c01003000068109024a3130303330303030363831857e".ToHexBytes();
+ JT808Package jT808Package = JT808Serializer.Deserialize<JT808Package>(bytes, JT808Version.JTT2013Force);//强制使用2013协议转换
+ //因头部的版本标识号是2019，实际上是使用2013的协议
+ jT808Package.Header.MessageBodyProperty.VersionFlag = false;
+ //修改版本号之后，重新编码协议，以便后续服务正常使用
+ var newBytes=JT808Serializer.Serialize(jT808Package);
+ JT808Package jT808PackageNew = JT808Serializer.Deserialize<JT808Package>(newBytes);
+ }
+ }
+}