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  • 外部调用C#一般处理程序返回405 method not allowed解决办法

    在做跨域接口调用的时候,写了个handler,在本地部署好了之后测试是可以用的,但是供外部链接调用的时候返回了405 method not allowed,解决办法如下:

    <system.webServer>
       <httpProtocol>
        <customHeaders>
           <add name="Access-Control-Allow-Origin" value="*" />
           <add name="Access-Control-Allow-Headers" value="X-Requested-With,Content-Type" />
           <add name="Access-Control-Allow-Methods" value="GET, POST, PUT, DELETE, OPTIONS" />
        </customHeaders>
      </httpProtocol>
      <handlers>
        <remove name="WebDAV" />
        <remove name="ExtensionlessUrlHandler-ISAPI-4.0_32bit" />
        <remove name="ExtensionlessUrlHandler-ISAPI-4.0_64bit" />
        <remove name="ExtensionlessUrlHandler-Integrated-4.0" />
        <add name="ExtensionlessUrlHandler-ISAPI-4.0_32bit" path="*." verb="GET,HEAD,POST,DEBUG,PUT,DELETE,PATCH,OPTIONS" modules="IsapiModule" scriptProcessor="%windir%Microsoft.NETFrameworkv4.0.30319aspnet_isapi.dll" preCondition="classicMode,runtimeVersionv4.0,bitness32" responseBufferLimit="0" />
         <add name="ExtensionlessUrlHandler-ISAPI-4.0_64bit" path="*." verb="GET,HEAD,POST,DEBUG,PUT,DELETE,PATCH,OPTIONS" modules="IsapiModule" scriptProcessor="%windir%Microsoft.NETFramework64v4.0.30319aspnet_isapi.dll" preCondition="classicMode,runtimeVersionv4.0,bitness64" responseBufferLimit="0" />
         <add name="ExtensionlessUrlHandler-Integrated-4.0" path="*." verb="GET,HEAD,POST,DEBUG,PUT,DELETE,PATCH,OPTIONS" type="System.Web.Handlers.TransferRequestHandler" preCondition="integratedMode,runtimeVersionv4.0" />
         <add name="handler" path="handler.ashx" verb="*" type="WebApp.handler"/>
         <remove name="OPTIONSVerbHandler" />
       </handlers>
       <modules runAllManagedModulesForAllRequests="true">
         <remove name="WebDAVModule" />
       </modules>
    </system.webServer>

      

    注意:

    上述配置中,青色部分是结决跨域问题红色部分是解决405错误的,

    尤其要注意加粗部分,添加对应的handler文件,后面的type是"命名空间.类名",如

    namespace WebApp
    {
    /// <summary>
    /// handler 的摘要说明
    /// </summary>
    public class handler : IHttpHandler
    {

      ...

    }

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  • 原文地址:https://www.cnblogs.com/Leawee/p/4812864.html
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