/// <summary>
/// 判断表达式中是否包含的有参数
/// </summary>
/// <param name="exp">需要被判断的表达式</param>
/// <param name="paramType">参数类型</param>
/// <returns></returns>
public static bool IsExistsParameters(Expression exp, out Type paramType)
{
ExpressionParameterVisitor entity = new ExpressionParameterVisitor(exp);
if (entity.ParameterTypes.Count() > 0)
{
paramType = entity.ParameterTypes.First();
return(true);
}
else
{
paramType = null;
return(false);
}
}
/// <summary>
/// 判断表达式中是否包含的有参数
/// </summary>
/// <param name="exp">需要被判断的表达式</param>
/// <returns></returns>
public static bool IsExistsParameters(Expression exp)
{
ExpressionParameterVisitor entity = new ExpressionParameterVisitor(exp);
return(entity.ParameterTypes.Count() > 0);
}