在.htaccess文件里面添加下面代码：

<IfModule mod_headers.c>

    Header set Access-Control-Allow-Origin "*"

</IfModule>

在 web.config文件设置：

<system.webServer>

  ...

    <httpProtocol>

        <customHeaders>

            <!-- Enable Cross Domain AJAX calls -->

            <remove name="Access-Control-Allow-Origin" />

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

        </customHeaders>

    </httpProtocol>

</system.webServer>

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