/// <summary>
/// GetType 通过完全限定的类型名来加载对应的类型。typeAndAssName如"NetWorkHelper.Filters.SourceFilter,NetWorkHelper"。
/// 如果为系统简单类型，则可以不带程序集名称。
/// </summary>
public static Type GetType(string typeAndAssName)
{
string[] names = typeAndAssName.Split(',');
if (names.Length < 2)
{
return(Type.GetType(typeAndAssName));
}
return(ReflectionHelper.GetType(names[0].Trim(), names[1].Trim()));
}
/// <summary>
/// GetTypeByFullString 通过类型的完全名称获取类型，regularName如"ESBasic.Filters.SourceFilter,ESBasic"
/// </summary>
public static Type GetTypeByRegularName(string regularName)
{
return(ReflectionHelper.GetType(regularName));
}
/// <summary>
/// ChangeType 对System.Convert.ChangeType进行了增强，支持(0,1)到bool的转换，字符串->枚举、int->枚举、字符串->Type
/// </summary>
public static object ChangeType(Type targetType, object val)
{
#region null
if (val == null)
{
return(null);
}
#endregion
if (targetType.IsAssignableFrom(val.GetType()))
{
return(val);
}
#region Same Type
if (targetType == val.GetType())
{
return(val);
}
#endregion
#region bool 1,0
if (targetType == typeof(bool))
{
if (val.ToString() == "0")
{
return(false);
}
if (val.ToString() == "1")
{
return(true);
}
}
#endregion
#region Enum
if (targetType.IsEnum)
{
int intVal = 0;
bool suc = int.TryParse(val.ToString(), out intVal);
if (!suc)
{
return(Enum.Parse(targetType, val.ToString()));
}
else
{
return(val);
}
}
#endregion
#region Type
if (targetType == typeof(Type))
{
return(ReflectionHelper.GetType(val.ToString()));
}
#endregion
if (targetType == typeof(IComparable))
{
return(val);
}
//将double赋值给数值型的DataRow的字段是可以的，但是通过反射赋值给object的非double的其它数值类型的属性，却不行
return(System.Convert.ChangeType(val, targetType));
}