ajax调用.net API项目跨域问题解决

ajax调用.net API项目，经常提示跨域问题。添加如下节点代码解决:httpProtocol

<system.webServer>

    <handlers>

      <remove name="ExtensionlessUrlHandler-Integrated-4.0" />

      <remove name="OPTIONSVerbHandler" />

      <remove name="TRACEVerbHandler" />

      <add name="ExtensionlessUrlHandler-Integrated-4.0" path="*." verb="*" type="System.Web.Handlers.TransferRequestHandler" preCondition="integratedMode,runtimeVersionv4.0" />

    </handlers>

    <validation validateIntegratedModeConfiguration="false" />

    <!--解决webpage ajax 跨域等问题-->

    <httpProtocol>

      <customHeaders>

        <add name="Access-Control-Allow-Origin" value="*" />

        <add name="Access-Control-Allow-Headers" value="Content-Type" />

        <add name="Access-Control-Allow-Methods" value="GET, POST, PUT, DELETE, OPTIONS" />

      </customHeaders>

    </httpProtocol>

    <modules>

      <remove name="ApplicationInsightsWebTracking" />

      <add name="ApplicationInsightsWebTracking" type="Microsoft.ApplicationInsights.Web.ApplicationInsightsHttpModule, Microsoft.AI.Web" preCondition="managedHandler" />

    </modules>

  </system.webServer>

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ajax调用.net API项目跨域问题解决

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