创建MODEL设置默认值

private T createObj<T>()
{
    Type t = typeof(T);
    PropertyInfo[] propertys = t.GetProperties();
    object entity = t.Assembly.CreateInstance(t.FullName);
    foreach (PropertyInfo pi in propertys)
    {
        if (!pi.CanWrite) continue;
        switch (pi.PropertyType.ToString())
        {
            case "System.String": pi.SetValue(entity, "", null); break;
            case "System.Int32": pi.SetValue(entity, 0, null); break;
            case "System.Decimal": pi.SetValue(entity, Convert.ToDecimal(0), null); break;
            default: break;
        }
    }
    return (T)entity;
}

Model dddd = createObj<Model>();

var dee = System.Activator.CreateInstance<T>();