上传文件IIS服务端配置，按此配置可以支持大文件传输。

<?xml version="1.0"?>

<configuration>
  <appSettings>
     <add key="FileUrl" value="D:\Flash Media Server 4.5\applications\vod\media"/>
     <add key="token" value="tzgovcn"/>
  </appSettings>
  <system.web>
   <httpRuntime maxRequestLength="2097151" executionTimeout="4300"/>
  </system.web>
  <system.webServer>
    <staticContent>
      <mimeMap fileExtension=".mp4" mimeType="video/mp4" />
    </staticContent>
    <security>
      <requestFiltering>
        <!--The default size is 30000000 bytes (28.6 MB). MaxValue is 4294967295 bytes (4 GB)-->
        <!-- 100 MB in bytes -->
        <requestLimits maxAllowedContentLength="314572800"/>
      </requestFiltering>
    </security>
  </system.webServer>
</configuration>