标签：WebAPI return string C# documentation 注释 GetDocumentation public subject

主要涉及两个文件：

1，Areas->HelpPage->Models下添加MultiXmlDocumentationProvider类：

    /// <summary>A custom 
    /// <see cref="IDocumentationProvider"/> 
    /// that reads the API documentation from a collection of XML documentation files.
    /// </summary>
    public class MultiXmlDocumentationProvider : IDocumentationProvider, IModelDocumentationProvider
    {
        /*********
    ** Properties
    *********/
        /// <summary>The internal documentation providers for specific files.</summary>
        private readonly XmlDocumentationProvider[] Providers;


        /*********
        ** Public methods
        *********/
        /// <summary>Construct an instance.</summary>
        /// <param name="paths">The physical paths to the XML documents.</param>
        public MultiXmlDocumentationProvider(params string[] paths)
        {
            this.Providers = paths.Select(p => new XmlDocumentationProvider(p)).ToArray();
        }

        /// <summary>Gets the documentation for a subject.</summary>
        /// <param name="subject">The subject to document.</param>
        public string GetDocumentation(MemberInfo subject)
        {
            return this.GetFirstMatch(p => p.GetDocumentation(subject));
        }

        /// <summary>Gets the documentation for a subject.</summary>
        /// <param name="subject">The subject to document.</param>
        public string GetDocumentation(Type subject)
        {
            return this.GetFirstMatch(p => p.GetDocumentation(subject));
        }

        /// <summary>Gets the documentation for a subject.</summary>
        /// <param name="subject">The subject to document.</param>
        public string GetDocumentation(HttpControllerDescriptor subject)
        {
            return this.GetFirstMatch(p => p.GetDocumentation(subject));
        }

        /// <summary>Gets the documentation for a subject.</summary>
        /// <param name="subject">The subject to document.</param>
        public string GetDocumentation(HttpActionDescriptor subject)
        {
            return this.GetFirstMatch(p => p.GetDocumentation(subject));
        }

        /// <summary>Gets the documentation for a subject.</summary>
        /// <param name="subject">The subject to document.</param>
        public string GetDocumentation(HttpParameterDescriptor subject)
        {
            return this.GetFirstMatch(p => p.GetDocumentation(subject));
        }

        /// <summary>Gets the documentation for a subject.</summary>
        /// <param name="subject">The subject to document.</param>
        public string GetResponseDocumentation(HttpActionDescriptor subject)
        {
            return this.GetFirstMatch(p => p.GetDocumentation(subject));
        }


        /*********
        ** Private methods
        *********/
        /// <summary>Get the first valid result from the collection of XML documentation providers.</summary>
        /// <param name="expr">The method to invoke.</param>
        private string GetFirstMatch(Func<XmlDocumentationProvider, string> expr)
        {
            return this.Providers
                .Select(expr)
                .FirstOrDefault(p => !String.IsNullOrWhiteSpace(p));
        }
    }

2，修改HelpPageConfig

 加入

            config.SetDocumentationProvider(new MultiXmlDocumentationProvider(
                HttpContext.Current.Server.MapPath("~/bin/API.xml")
                ));

3，属性->生成中修改如下：

标签：WebAPI,return,string,C#,documentation,注释,GetDocumentation,public,subject
来源： https://www.cnblogs.com/li-guojiang/p/16500998.html

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