ajax調用.net API項目跨域問題解決

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ajax調用.net API項目，經常提示跨域問題。添加如下節點代碼解決: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" />    <!--解決webpage ajax 跨域等問題-->    <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>

 

ajax調用.net API項目跨域問題解決