IIs中实现Http自动转换到Https方法介绍 (403跳转对SEO有一定影响)
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
