配置跨域
<system.webServer> <httpProtocol> <customHeaders> <add name="Access-Control-Allow-Origin" value="*" /> <add name="Access-Control-Allow-Headers" value="Access-Control-Allow-Origin, AppKey, Authorization" /> <add name="Access-Control-Allow-Methods" value="GET, POST, OPTIONS" /> <add name="Access-Control-Request-Methods" value="GET, POST, OPTIONS" /> </customHeaders> </httpProtocol> </system.webServer>