Nginx proxy axios request and precautions

# Set up the http server and use its reverse proxy function to provide load balancing support http {
 #Connection timeout keepalive_timeout 120;
 
 #gzip compression switch and related configuration gzip on;
 gzip_min_length 1k;
 gzip_buffers 4 32k;
 gzip_http_version 1.1;
 gzip_comp_level 2;
 gzip_types text/plain application/x-javascript text/css application/xml;
 gzip_vary on;
 gzip_disable "MSIE [1-6].";

 #Set the actual server list upstream zp_server{
 server 127.0.0.1:8089;
 }
 
 #HTTP server {
 #Listen port 80
 
 #Define the service name server_name localthost;
 
 #Homepageindex index.html
 
 #Point to the project root directory root D:\project\src\main\webapp;
 
 #Encoding format charset utf-8;
 
 #Proxy path (bound to upstream), set the mapped path after location location / {
  #Proxy configuration parameters proxy_connect_timeout 180;
  proxy_send_timeout 180;
  proxy_read_timeout 180;
  proxy_set_header Host $host;
  proxy_set_header X-Forwarder-For $remote_addr;
  proxy_pass http://zp_server/;
  
  #Cross-domain related settings add_header 'Access-Control-Allow-Origin' '*' always;
  add_header 'Access-Control-Allow-Credentials' 'true';
  add_header 'Access-Control-Allow-Headers' 'Origin, X-Requested-With, Content-Type, Accept' always;
  }
  
  #Configure static resources to solve the problem that js css files cannot be loaded and accessed. Note that there should be no / at the end.
  location ~ .*\.(js|css|jpg|png)$ {
  proxy_pass http://zp_server;
  } 
 }
}

location /api1/ {
 proxy_pass http://localhost:8080;
}

location /api2/ {
 proxy_pass http://localhost:8080/;
}

server {
 listen 80;
 server_name localhost;

 location /api1/ {
  proxy_pass http://localhost:8080;
 }
 # http://localhost/api1/xxx -> http://localhost:8080/api1/xxx


 location /api2/ {
  proxy_pass http://localhost:8080/;
 }
 # http://localhost/api2/xxx -> http://localhost:8080/xxx


 location /api3 {
  proxy_pass http://localhost:8080;
 }
 # http://localhost/api3/xxx -> http://localhost:8080/api3/xxx


 location /api4 {
  proxy_pass http://localhost:8080/;
 }
 # http://localhost/api4/xxx -> http://localhost:8080//xxx, please pay attention to the double slashes here and analyze it carefully.


 location /api5/ {
  proxy_pass http://localhost:8080/haha;
 }
 # http://localhost/api5/xxx -> http://localhost:8080/hahaxxx. Please note that there is no slash between haha ​​and xxx. Let's analyze the reason.

 location /api6/ {
  proxy_pass http://localhost:8080/haha/;
 }
 # http://localhost/api6/xxx -> http://localhost:8080/haha/xxx

 location /api7 {
  proxy_pass http://localhost:8080/haha;
 }
 # http://localhost/api7/xxx -> http://localhost:8080/haha/xxx

 location /api8 {
  proxy_pass http://localhost:8080/haha/;
 }
 # http://localhost/api8/xxx -> http://localhost:8080/haha//xxx, please note the double slashes here.
}