一、nginx配置文件：
server {
listen 80;
server_name a;
root /a;
index index.php index.htm index.html;
location / {
try_files $uri $uri/ /index.php$is_args$args;
}
location ^~ /b/ {
proxy_pass http://127.0.0.1:自定义/;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
proxy_set_header Host $host;
proxy_set_header X-Real-IP $remote_addr;
}
location ~ \.php$ {
try_files $uri /index.php =404;
fastcgi_pass 127.0.0.1:9000;
fastcgi_index index.php;
fastcgi_buffers 16 16k;
fastcgi_buffer_size 32k;
fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
fastcgi_read_timeout 600;
include fastcgi_params;
}</