/// <summary>
/// 把实体类转换成数据包
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="obj"></param>
/// <returns></returns>
public static byte[] ToDataPackage <T>(this T obj)
{
var dataPackage = new byte[] { };
var type = obj.GetType();
var headers = type.GetCustomAttributes(typeof(HeaderDataPackageAttribute), false);
if (headers.Length > 0)
{
var header = headers[0];
if (header is HeaderDataPackageAttribute)
{
var data = CommonConvert.GetObjData(obj);
#region 数据包头+数据包数据=总数据包
//拼装数据包(头长度+数据长度)并转换成数组
var headerDataPackage = header as HeaderDataPackageAttribute;
//数据包总长度（递增）
var dataAllSize = headerDataPackage.HeaderLength + data.Length;
//执行字节数组转换和拼装
headerDataPackage.Operation(dataAllSize, data);
#endregion
//赋值
dataPackage = headerDataPackage.DataPackage;
}
}
return(dataPackage);
}
/// <summary>
/// 把数据包转换成实体类 （return object）
/// </summary>
/// <param name="bytes"></param>
/// <param name="type"></param>
/// <returns></returns>
public static object ToObjectPackage(this byte[] bytes, Type type)
{
var objValue = type.ExtCreateInstance <object>();
var headers = type.GetCustomAttributes(typeof(HeaderDataPackageAttribute), false);
if (headers.Length > 0)
{
var header = headers[0] as HeaderDataPackageAttribute;
if (header != null)
{
var byteDatas = new byte[bytes.Length - header.HeaderLength];
Array.Copy(bytes, header.HeaderLength, byteDatas, 0, byteDatas.Length);
CommonConvert.SetObjData(objValue, byteDatas);
}
}
return(objValue);
}
