增加西门子gb2312字符串读写

Plugins/Drivers/PLC.SiemensS7/DeviceSiemensS7.cs

@@ -3,6 +3,7 @@ using System.Text;
 using S7.Net.Types;
 using PluginInterface;
 using Microsoft.Extensions.Logging;
+using System.IO;
 
 namespace PLC.SiemensS7
 {
@@ -47,6 +48,7 @@ namespace PLC.SiemensS7
             _device = device;
             _logger = logger;
 
+            Encoding.RegisterProvider(CodePagesEncodingProvider.Instance);
             _logger.LogInformation($"Device:[{_device}],Create()");
         }
 
@@ -132,27 +134,21 @@ namespace PLC.SiemensS7
         [Method("读西门子PLC标准地址", description: "读西门子PLC标准地址")]
         public DriverReturnValueModel Read(DriverAddressIoArgModel ioArg)
         {
+            var encodeArr = System.Text.Encoding.GetEncodings();
             var ret = new DriverReturnValueModel { StatusType = VaribaleStatusTypeEnum.Good };
 
             if (_plc is { IsConnected: true })
             {
                 try
                 {
-                    if (ioArg.ValueType == DataTypeEnum.AsciiString)
+                    if (ioArg.ValueType == DataTypeEnum.AsciiString || ioArg.ValueType == DataTypeEnum.Utf8String || ioArg.ValueType == DataTypeEnum.Gb2312String)
                     {
                         var str = string.Empty;
                         var dataItem = S7.Net.Types.DataItem.FromAddress(ioArg.Address);
                         var head = _plc.ReadBytes(dataItem.DataType, dataItem.DB, dataItem.StartByteAdr, 2);
                         var strBytes = _plc.ReadBytes(dataItem.DataType, dataItem.DB, dataItem.StartByteAdr + 2, head[1]);
-                        var strRaw = Encoding.ASCII.GetString(strBytes).TrimEnd(new char[] { '\0' });
-                        if (strRaw.Any())
-                        {
-                            foreach (var chart in strRaw)
-                            {
-                                if (chart >= 0x20 && chart <= 0x7E)
-                                    str += chart;
-                            }
-                        }
+                        var strRaw = GetString(ioArg.ValueType, strBytes);
+                        
                         ret.Value = strRaw;
 
                     }
@@ -373,15 +369,48 @@ namespace PLC.SiemensS7
                         toWriteString = toWriteString.Take(length).ToString();
                 }
 
+
+                switch (ioArg.ValueType)
+                {
+                    case DataTypeEnum.Utf8String:
+                        return Encoding.UTF8.GetBytes(toWriteString);
+                    case DataTypeEnum.Gb2312String:
+                        Encoding toEcoding = Encoding.GetEncoding("gb2312");
+                        byte[] fromBytes = Encoding.UTF8.GetBytes(toWriteString);
+                        return Encoding.Convert(Encoding.UTF8, toEcoding, fromBytes);
+                    case DataTypeEnum.AsciiString:
+                    default:
+                        return Encoding.ASCII.GetBytes(toWriteString);
+                }
             }
             catch (Exception e)
             {
                 throw new Exception("字符串解析异常");
             }
-
-            return Encoding.ASCII.GetBytes(toWriteString);
         }
 
+
+        private string GetString(DataTypeEnum dataType, byte[] strBytes)
+        {
+            string? str = string.Empty;
+            switch (dataType)
+            {
+                case DataTypeEnum.Utf8String:
+                    str = Encoding.UTF8.GetString(strBytes);
+                    break;
+                case DataTypeEnum.Gb2312String:
+                    Encoding fromEncoding = Encoding.GetEncoding("gb2312");
+                    byte[] toBytes = Encoding.Convert(fromEncoding, Encoding.UTF8, strBytes);
+                    str = Encoding.UTF8.GetString(toBytes);
+                    break;
+                case DataTypeEnum.AsciiString:
+                default:
+                    var strRaw = Encoding.ASCII.GetString(strBytes.Where(x => x is >= 0x20 and <= 0x7E).ToArray());
+                    break;
+            }
+
+            return str.TrimEnd(new char[] { '\0' });
+        }
         #endregion
 
     }

Plugins/Drivers/PLC.SiemensS7/PLC.SiemensS7.csproj

@@ -6,6 +6,10 @@
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
   </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="System.Text.Encoding.CodePages" Version="6.0.0" />
+  </ItemGroup>
   
   <ItemGroup>
     <ProjectReference Include="..\..\PluginInterface\PluginInterface.csproj" />

Plugins/PluginInterface/DataTypeEnum.cs

@@ -59,5 +59,7 @@ namespace PluginInterface
         Custome4,
         [Display(Name = "自定义5")]
         Custome5,
+        [Display(Name = "Gb2312")]
+        Gb2312String,
     }
 }

drivers/net6.0/PLC.SiemensS7.deps.json

@@ -8,7 +8,8 @@
     ".NETCoreApp,Version=v6.0": {
       "PLC.SiemensS7/1.0.0": {
         "dependencies": {
-          "PluginInterface": "1.0.0"
+          "PluginInterface": "1.0.0",
+          "System.Text.Encoding.CodePages": "6.0.0"
         },
         "runtime": {
           "PLC.SiemensS7.dll": {}
@@ -30,6 +31,12 @@
           }
         }
       },
+      "System.Runtime.CompilerServices.Unsafe/6.0.0": {},
+      "System.Text.Encoding.CodePages/6.0.0": {
+        "dependencies": {
+          "System.Runtime.CompilerServices.Unsafe": "6.0.0"
+        }
+      },
       "PluginInterface/1.0.0": {
         "dependencies": {
           "Microsoft.Extensions.Logging.Abstractions": "6.0.2",
@@ -61,6 +68,20 @@
       "path": "newtonsoft.json/13.0.1",
       "hashPath": "newtonsoft.json.13.0.1.nupkg.sha512"
     },
+    "System.Runtime.CompilerServices.Unsafe/6.0.0": {
+      "type": "package",
+      "serviceable": true,
+      "sha512": "sha512-/iUeP3tq1S0XdNNoMz5C9twLSrM/TH+qElHkXWaPvuNOt+99G75NrV0OS2EqHx5wMN7popYjpc8oTjC1y16DLg==",
+      "path": "system.runtime.compilerservices.unsafe/6.0.0",
+      "hashPath": "system.runtime.compilerservices.unsafe.6.0.0.nupkg.sha512"
+    },
+    "System.Text.Encoding.CodePages/6.0.0": {
+      "type": "package",
+      "serviceable": true,
+      "sha512": "sha512-ZFCILZuOvtKPauZ/j/swhvw68ZRi9ATCfvGbk1QfydmcXBkIWecWKn/250UH7rahZ5OoDBaiAudJtPvLwzw85A==",
+      "path": "system.text.encoding.codepages/6.0.0",
+      "hashPath": "system.text.encoding.codepages.6.0.0.nupkg.sha512"
+    },
     "PluginInterface/1.0.0": {
       "type": "project",
       "serviceable": false,