<system.webServer>
<security>
<requestFiltering>
<requestLimits maxAllowedContentLength="2147483647"/>
</requestFiltering>
</security>
</system.webServer>
???<httpRuntime targetFramework="4.5" ?maxRequestLength="1111048576"/>
web上传文件大小限制
原文地址:https://www.cnblogs.com/slqd/p/9586067.html