namespace DMS.Helper; /// /// 西门子帮助类 /// public static class SiemensHelper { /// /// 将S7数据类型字符串转换为C#数据类型字符串 /// /// S7数据类型字符串 /// 对应的C#数据类型字符串 public static string S7ToCSharpTypeString(string s7Type) { switch (s7Type.ToUpper()) { case "BOOL": return "bool"; case "BYTE": return "byte"; case "WORD": return "ushort"; case "DWORD": return "uint"; case "INT": return "short"; case "DINT": return "int"; case "REAL": return "float"; case "LREAL": return "double"; case "CHAR": return "char"; case "STRING": return "string"; case "TIMER": case "TIME": return "TimeSpan"; case "COUNTER": return "ushort"; case "DATE": return "DateTime"; case "TIME_OF_DAY": case "TOD": return "DateTime"; case "DATE_AND_TIME": case "DT": return "DateTime"; default: return "object"; } } /// /// 将S7读取到的值转换为显示值 /// /// S7读取到的原始值 /// 变量的数据类型 /// 转换规则 /// 显示值 public static string ConvertS7Value(object value, string dataType, string conversion) { if (value == null) return string.Empty; // For now, a simple conversion to string. More complex logic can be added here. // Based on dataType and conversion, you might parse, format, or apply formulas. return value.ToString(); } }