/// <summary>
/// 根据一个实体的所有属性，找到符合特性条件的所有列
/// </summary>
/// <param name="properites"></param>
/// <param name="type"></param>
/// <returns></returns>
protected virtual List <string> GetColumnsByAttribute(PropertyInfo[] properites, ColumnAttribute type)
{
List <string> columnList = new List <string>();
foreach (var item in properites)
{
//获取当前属性中所定义的特性，然后再次遍历这个特性
var attributes = item.GetCustomAttributes(false);
foreach (var attribute in attributes)
{
//判断自定义的特性和我们要找的特性是不是一致
if (attribute.GetType().Name.Equals(type.ToString()))
{
columnList.Add(item.Name);//将找到的列名称添加到集合
break;
}
}
}
return(columnList);
}
static void Main(string[] args)
{
Directory.SetCurrentDirectory(AppDomain.CurrentDomain.BaseDirectory);
Console.WriteLine("Your model assembly name:");
var assemblyName = Console.ReadLine();
var asm = Assembly.Load(assemblyName);
var classes = asm.GetTypes().Where(p => p.IsClass).ToList();
foreach (var item in classes)
{
// Just grabbing this to get hold of the type name:
var type = item.GetType();
// Get the PropertyInfo object:
var properties = item.GetProperties();
if (HasEFDataAnnotaion(properties))
{
Console.WriteLine("");
Console.WriteLine("Found Data Annotations attributes at {0} ...", item.FullName);
foreach (var property in properties)
{
var attributes = property.GetCustomAttributes(false);
// Using reflection.
Attribute[] attrs = System.Attribute.GetCustomAttributes(property);
// Displaying output.
foreach (Attribute attr in attrs)
{
if (attr is KeyAttribute)
{
KeyAttribute a = (KeyAttribute)attr;
Console.WriteLine("attribute {0} on {1} ", a.ToString(), property.Name);
}
if (attr is ForeignKeyAttribute)
{
ForeignKeyAttribute a = (ForeignKeyAttribute)attr;
Console.WriteLine("attribute {0} on {1} ", a.ToString(), property.Name);
}
if (attr is IndexAttribute)
{
IndexAttribute a = (IndexAttribute)attr;
Console.WriteLine("attribute {0} on {1} ", a.GetType().FullName + a.ToString(), property.Name);
}
if (attr is RequiredAttribute)
{
RequiredAttribute a = (RequiredAttribute)attr;
Console.WriteLine("attribute {0} on {1} ", a.ToString(), property.Name);
}
if (attr is TimestampAttribute)
{
TimestampAttribute a = (TimestampAttribute)attr;
Console.WriteLine("attribute {0} on {1} ", a.ToString(), property.Name);
}
if (attr is ConcurrencyCheckAttribute)
{
ConcurrencyCheckAttribute a = (ConcurrencyCheckAttribute)attr;
Console.WriteLine("attribute {0} on {1} ", a.ToString(), property.Name);
}
if (attr is MinLengthAttribute)
{
MinLengthAttribute a = (MinLengthAttribute)attr;
Console.WriteLine("attribute {0} on {1} ", a.ToString(), property.Name);
}
if (attr is MaxLengthAttribute)
{
MaxLengthAttribute a = (MaxLengthAttribute)attr;
Console.WriteLine("attribute {0} on {1} ", a.ToString(), property.Name);
}
if (attr is StringLengthAttribute)
{
StringLengthAttribute a = (StringLengthAttribute)attr;
Console.WriteLine("attribute {0} on {1} ", a.ToString(), property.Name);
}
if (attr is TableAttribute)
{
TableAttribute a = (TableAttribute)attr;
Console.WriteLine("attribute {0} on {1} ", a.ToString(), property.Name);
}
if (attr is ColumnAttribute)
{
ColumnAttribute a = (ColumnAttribute)attr;
Console.WriteLine("attribute {0} on {1} ", a.ToString(), property.Name);
}
if (attr is DatabaseGeneratedAttribute)
{
DatabaseGeneratedAttribute a = (DatabaseGeneratedAttribute)attr;
Console.WriteLine("attribute {0} on {1} ", a.ToString(), property.Name);
}
if (attr is ComplexTypeAttribute)
{
ComplexTypeAttribute a = (ComplexTypeAttribute)attr;
Console.WriteLine("attribute {0} on {1} ", a.ToString(), property.Name);
}
}
}
}
}
}
