/// <summary>
/// 从当前Http请求中，获取表单中获取值
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="key"></param>
public static T GetValue <T>(string key)
{
var value = HttpContext.Request.Form[key];
if (value.IsNullOrEmpty())
{
return(Convert.To <T>(null));
}
var result = Convert.To <T>(value);
return(result);
}
/// <summary>
/// 动态创建实例
/// </summary>
/// <typeparam name="T">目标类型</typeparam>
/// <param name="type">类型</param>
/// <param name="parameters">传递给构造函数的参数</param>
public static T CreateInstance <T>(Type type, params object[] parameters)
{
return(Convert.To <T>(Activator.CreateInstance(type, parameters)));
}
/// <summary>
/// 将Id转换成主键类型字段
/// </summary>
/// <param name="id">主键ID</param>
protected TKey ToKey(object id)
{
var key = Convert.To <TKey>(id);
return(key);
}
/// <summary>
/// 获取当前应用程序标识
/// </summary>
/// <param name="session">用户会话</param>
public static T GetApplicationId <T>(this ISession session)
{
return(Convert.To <T>(HttpWeb.Identity.GetValue(IdentityClaimTypes.ApplicationId)));
}
/// <summary>
/// 获取当前操作人标识
/// </summary>
/// <param name="session">用户会话</param>
public static T GetUserId <T>(this ISession session)
{
return(Convert.To <T>(session.UserId));
}
/// <summary>
/// 获取枚举值
/// </summary>
/// <typeparam name="TResult">返回值类型</typeparam>
/// <param name="instance">枚举实例</param>
public static TResult Value <TResult>(this Enum instance)
{
return(Convert.To <TResult>(Value(instance)));
}