IIS7 http自动跳转到https

1.下载安装URL重写模块：Microsoft URL Rewrite Module

32位：http://download.microsoft.com/download/4/9/C/49CD28DB-4AA6-4A51-9437-AA001221F606/rewrite_x86_zh-CN.msi

64位：http://download.microsoft.com/download/4/E/7/4E7ECE9A-DF55-4F90-A354-B497072BDE0A/rewrite_x64_zh-CN.msi

2.SSL设置不要勾选（很重要）

3.Web.config添加

<system.webServer>
   <rewrite>
     <rules>
       <rule name="HTTP to HTTPS redirect" stopProcessing="true">
         <match url="(.*)" />
         <conditions>
           <add input="{HTTPS}" pattern="off" ignoreCase="true" />
         </conditions>
         <action type="Redirect" redirectType="Found" url="https://{HTTP_HOST}/{R:1}" />
       </rule>
     </rules>
   </rewrite>
 </system.webServer>