张军修改EIP版

MainForm/ClassFile/Inovance_EIP.cs

@@ -2942,6 +2942,49 @@ namespace EIP_Protocol
             return (nRet, "OK");
         }
 
+        /// <summary>
+        /// 一次读取单个标签
+        /// </summary>
+        /// <typeparam name="T">需要读取的标签结构</typeparam>
+        /// <param name="strTagName">需要读取的标签名</param>
+        /// <param name="nCount">读取标签的个数</param>
+        /// <param name="outObj">返回相应标签值对象</param>
+        /// <returns></returns>
+        public (int, string) Read_SingleTag<T>(string strTagName, int nCount, out T outObj)
+        {
+            outObj = default(T);
+            byte[] pBuf = null;
+            int nRet = 0;
+            string strRet = "";
+            try
+            {
+                (nRet, strRet) = Read_Tag(strTagPrefix + strTagName, nCount, out pBuf);
+                if (nRet != 0) return (nRet, strRet);
+
+                string str = typeof(T).Name;
+                string[] substrings = { "Boolean", "SByte", "Byte", "Int16", "UInt16", "Int32", "UInt32", "Int64", "UInt64", "Single", "Double", "String" };
+
+                bool containsAny = substrings.Any(substring => str.Contains(substring));
+                if (containsAny)
+                {
+                    if (str != strRet) return (120, "变量类型不一致");
+                }
+
+                if (str == "String")
+                {
+                    outObj = (T)(object)System.Text.Encoding.UTF8.GetString(pBuf);
+                    return (0, "OK");
+                }
+                outObj = (T)ByteToStruct(pBuf, typeof(T));
+            }
+            catch (Exception ex)
+            {
+                return (110, ex.ToString());
+            }
+            return (0, "OK");
+        }
+
+
         private Form _processingForm;
 
         private void ShowProcessingDialog(Control uiControl)