static public object ChangeType(object value, Type type) { if (value == null && type.IsGenericType) return Activator.CreateInstance(type); if (value == null) return null; if (type == value.GetType()) return value; if (type.IsEnum) { if (value is string) return Enum.Parse(type, value as string); else return Enum.ToObject(type, value); } if (!type.IsInterface && type.IsGenericType) { Type innerType = type.GetGenericArguments()[0]; object innerValue = ChangeType(value, innerType); return Activator.CreateInstance(type, new object[] { innerValue }); } if (value is string && type == typeof(Guid)) return new Guid(value as string); if (value is string && type == typeof(Version)) return new Version(value as string); if (!(value is IConvertible)) return value; return Convert.ChangeType(value, type); }
C#通用类型转换 Convert.ChangeType 转自网络
时间: 2024-10-08 20:42:21