/// <summary>
/// 获取所有参数的描述信息
/// </summary>
/// <param name="actionDescriptor"></param>
/// <returns></returns>
public static IEnumerable <ParameterDisplay> Parameters(this MethodDescriptor actionDescriptor)
{
var pas = actionDescriptor.Method.GetCustomAttributes <ParameterDisplayAttribute>();
return(actionDescriptor.Method.GetParameters()
.Select(t => {
if (!pas.Any(p => p.Name == t.Name))
{
return new ParameterDisplay()
{
name = t.Name,
type = t.ParameterType.Name,
required = !t.IsOptional
}
}
;
var arribute = pas.FirstOrDefault(p => p.Name == t.Name);
var propertys = new ParameterDisplay[] { };
if (t.ParameterType.IsArray)
{
propertys = t.ParameterType.GetElementType().GetProperties()
.Select(filed =>
{
var p = filed.GetCustomAttribute <ParameterDisplayAttribute>(true);
if (p == null)
{
return new ParameterDisplay()
{
name = filed.Name,
type = filed.PropertyType.Name
}
}
;
return new ParameterDisplay()
{
name = p.Name,
type = p.Type,
required = p.Required,
@default = p.Default,
display = p.Display
};
}).ToArray();
}
return new ParameterDisplay()
{
name = arribute.Name,
type = arribute.Type,
required = arribute.Required,
@default = arribute.Default,
display = arribute.Display,
Propertys = propertys
};
}));
}
/// <summary>
/// 返回值描述
/// </summary>
/// <param name="actionDescriptor"></param>
/// <returns></returns>
public static ParameterDisplay ResultParameters(this MethodDescriptor actionDescriptor)
{
var returnType = actionDescriptor.Method.ReturnType;
var display = returnType.GetCustomAttribute <ParameterDisplayAttribute>();
if (display == null)
{
display = new ParameterDisplayAttribute()
{
Name = actionDescriptor.Method.ReturnParameter.Name,
Type = actionDescriptor.Method.ReturnType.Name
}
}
;
var returnParameter = new ParameterDisplay()
{
name = display.Name,
@default = display.Default,
display = display.Display,
required = display.Required,
type = display.Type
};
if (returnType.IsPrimitive || returnType.ReflectedType == typeof(string) || returnType.IsEnum)
{
return(returnParameter);
}
var properties = returnType.GetProperties();
if (returnType.IsGenericType)
{
properties = returnType.GetGenericArguments()[0]?.GetProperties();
}
if (returnType.IsArray)
{
properties = returnType.GetElementType().GetProperties();
}
if (returnType == typeof(Task))
{
return(returnParameter);
}
returnParameter.Propertys = properties.Select(filed =>
{
var p = filed.GetCustomAttribute <ParameterDisplayAttribute>(true);
if (p == null)
{
return new ParameterDisplay()
{
name = filed.Name,
type = filed.PropertyType.Name
}
}
;
return(new ParameterDisplay()
{
name = p.Name,
type = p.Type,
required = p.Required,
@default = p.Default,
display = p.Display
});
});
return(returnParameter);
}
