通过Web.config实现301重定向

  <system.webServer>
    <validation validateIntegratedModeConfiguration="false" />
    <modules runAllManagedModulesForAllRequests="true" />
    <security>
      <requestFiltering allowDoubleEscaping="true" />
    </security>
        <rewrite>
            <rules>
                <rule name="301Redirect" stopProcessing="true">
                    <match url="(.*)" />
                    <conditions logicalGrouping="MatchAny">
                        <add input="{HTTP_HOST}" pattern="^hantianwei\.com$" />
                        <add input="{HTTP_HOST}" pattern="^www\.hantianwei\.com$" />
                    </conditions>
                    <action type="Redirect" url="http://www.hantianwei.cn/{R:0}" redirectType="Permanent" />
                </rule>
            </rules>
        </rewrite>
  </system.webServer>