C# 反射設定屬性幫助類
阿新 • • 發佈:2021-09-08
來源:https://github.com/zhangjk1980/ModbusTcpControl_WPF
沒有標記轉載的情況下,如果有更好的優化麻煩電郵[email protected]或者留言答覆,Thank Youusing System; using System.Collections.Generic; using System.Linq; using System.Text; public static class PropertyMethodExtensions { #region[Property] public static object GetProperty(this object instance, string propertyname) { BindingFlags flag = BindingFlags.Instance | BindingFlags.NonPublic | BindingFlags.Public; Type type = instance.GetType(); PropertyInfo field = type.GetProperty(propertyname, flag); object o = field.GetValue(instance, null); return o; } /// <summary> /// 設定相應屬性的值 /// </summary> /// <param name="entity">實體</param> /// <param name="fieldName">屬性名</param> /// <param name="o">值(物件)</param> public static void SetProperty(this object entity, string fieldName, object o) { BindingFlags flag = BindingFlags.Instance | BindingFlags.NonPublic | BindingFlags.Public | BindingFlags.Default; Type entityType = entity.GetType(); PropertyInfo propertyInfo = entityType.GetProperty(fieldName, flag); if (propertyInfo == null) return; propertyInfo.SetValue(entity, o, null); } /// <summary> /// 設定相應屬性的值 /// </summary> /// <param name="entity">實體</param> /// <param name="fieldName">屬性名</param> /// <param name="fieldValue">屬性值</param> public static void SetProperty(this object entity, string fieldName, string fieldValue) { BindingFlags flag = BindingFlags.Instance | BindingFlags.NonPublic | BindingFlags.Public | BindingFlags.Default; Type entityType = entity.GetType(); PropertyInfo propertyInfo = entityType.GetProperty(fieldName, flag); if (propertyInfo == null) return; if (IsType(propertyInfo.PropertyType, "System.String")) { propertyInfo.SetValue(entity, fieldValue, null); return; } if (IsType(propertyInfo.PropertyType, "System.Boolean")) { propertyInfo.SetValue(entity, Boolean.Parse(fieldValue), null); return; } if (IsType(propertyInfo.PropertyType, "System.UInt16")) { if (fieldValue != "") propertyInfo.SetValue(entity, ushort.Parse(fieldValue), null); else propertyInfo.SetValue(entity, 0, null); return; } if (propertyInfo.PropertyType.BaseType.ToString().Equals("System.Enum")) { if (fieldValue != "") propertyInfo.SetValue(entity, Enum.Parse(propertyInfo.PropertyType,fieldValue), null); else propertyInfo.SetValue(entity, 0, null); return; } if (IsType(propertyInfo.PropertyType, "System.Int32")) { if (fieldValue != "") propertyInfo.SetValue(entity, int.Parse(fieldValue), null); else propertyInfo.SetValue(entity, 0, null); return; } if (IsType(propertyInfo.PropertyType, "System.Decimal")) { if (fieldValue != "") propertyInfo.SetValue(entity, Decimal.Parse(fieldValue), null); else propertyInfo.SetValue(entity, new Decimal(0), null); return; } if (IsType(propertyInfo.PropertyType, "System.Nullable`1[System.DateTime]")) { if (fieldValue != "") { try { propertyInfo.SetValue( entity, (DateTime?)DateTime.ParseExact(fieldValue, "yyyy-MM-dd HH:mm:ss", null), null); } catch { propertyInfo.SetValue(entity, (DateTime?)DateTime.ParseExact(fieldValue, "yyyy-MM-dd", null), null); } } else propertyInfo.SetValue(entity, null, null); return; } } /// <summary> /// 型別匹配 /// </summary> /// <param name="type"></param> /// <param name="typeName"></param> /// <returns></returns> public static bool IsType(Type type, string typeName) { if (type.ToString() == typeName) return true; if (type.ToString() == "System.Object") return false; return IsType(type.BaseType, typeName); } #endregion #region[Method] public static MethodInfo getPublicMothod(this object instance, string methodName) { BindingFlags flag = BindingFlags.Instance | BindingFlags.Public; Type type = instance.GetType(); MethodInfo field = type.GetMethod(methodName, flag); return field; } #endregion }