webapi views目录下html文件无法访问

找到views下web.config 增加如下红色标注内容

<?xml version="1.0"?>

<configuration>
<configSections>
<sectionGroup name="system.web.webPages.razor" type="System.Web.WebPages.Razor.Configuration.RazorWebSectionGroup, System.Web.WebPages.Razor, Version=3.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35">
<section name="host" type="System.Web.WebPages.Razor.Configuration.HostSection, System.Web.WebPages.Razor, Version=3.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" requirePermission="false" />
<section name="pages" type="System.Web.WebPages.Razor.Configuration.RazorPagesSection, System.Web.WebPages.Razor, Version=3.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" requirePermission="false" />
</sectionGroup>
</configSections>

<system.web.webPages.razor>
<host factoryType="System.Web.Mvc.MvcWebRazorHostFactory, System.Web.Mvc, Version=5.2.4.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" />
<pages pageBaseType="System.Web.Mvc.WebViewPage">
<namespaces>
<add namespace="System.Web.Mvc" />
<add namespace="System.Web.Mvc.Ajax" />
<add namespace="System.Web.Mvc.Html" />
<add namespace="System.Web.Optimization"/>
<add namespace="System.Web.Routing" />
<add namespace="Howell.Net.CallbackServer" />
</namespaces>
</pages>
</system.web.webPages.razor>

<appSettings>
<add key="webpages:Enabled" value="false" />
</appSettings>

<system.webServer>
<validation validateIntegratedModeConfiguration="false" />
<handlers>
<remove name="BlockViewHandler"/>
<add name="BlockViewHandler" path="*" verb="*" preCondition="integratedMode" type="System.Web.HttpNotFoundHandler" />

<remove name="BlockViewHandler"/>
<add name="js" verb="GET,HEAD" path="*.css" type="System.Web.StaticFileHandler" />
<add name="css" verb="GET,HEAD" path="*.css" type="System.Web.StaticFileHandler" />
<add name="jpg" verb="GET,HEAD" path="*.jpg" type="System.Web.StaticFileHandler" />
<add name="png" verb="GET,HEAD" path="*.png" type="System.Web.StaticFileHandler" />
<add name="html" verb="GET,HEAD" path="*.html" type="System.Web.StaticFileHandler" />

</handlers>
</system.webServer>

<system.web>
<compilation>
<assemblies>
<add assembly="System.Web.Mvc, Version=5.2.4.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" />
</assemblies>
</compilation>
</system.web>
</configuration>