Nginx环境下WordPress伪静态（rewrite）代码规则写法

Nginx环境下WordPress伪静态（rewrite）代码规则写法：

if (-f $request_filename/index.html){
rewrite (.*) $1/index.html break;
}
if (-f $request_filename/index.php){
rewrite (.*) $1/index.php;
}
if (!-f $request_filename){
rewrite (.*) /index.php;
}