站點根目錄的配置文件設置

1.新建一個txt

2.把下面代碼寫入到文件里

3.文件和后綴名改成 web.config

<?xml version="1.0" encoding="UTF-8"?>
<configuration>
    <system.webServer>
        <httpProtocol>
            <customHeaders>
                <add name="Access-Control-Allow-Origin" value="*" />
                <add name="Access-Control-Allow-Methods" value="GET, POST, PUT, DELETE, OPTIONS" />
                <add name="Access-Control-Allow-Headers" value="AuthToken, Content-Type, Accept, X-Requested-With" />
            </customHeaders>
        </httpProtocol>
    </system.webServer>
</configuration>