How to access the top-level domain name and automatically jump to the secondary domain name?

Requirements describe ：

For example, you need to implement access qq.com, Jump to www.qq.com.

Implementation method ：

1、nginx Realization

nginx Redirect configuration top-level domain name to www Two level domain name

if ($http_host ~ "^qq.com$") {
    rewrite  ^(.*)    https://www.qq.com$1 permanent;
}

2、 The parsing layer implements

dominance url To configure ：

https://cloud.tencent.com/document/product/302/12649

Rule reference ：

3、cdn Configuration to realize

• hold qq.com Also in the cdn Do domain name access , Add the following configuration ： Source station filling www The origin information of the domain name ,host Also fill in www domain name ：

Basic configuration -- Origin information

• Cache configuration -- visit url Rewrite and add the following configuration ：

Cache configuration -- visit url rewrite

———————————————————————————————————————————— In the above ways, you can access the top-level domain name and jump to www Secondary domain name requirements .