下面的负载均衡采用轮询的方式。

worker_processes  1;events {worker_connections  1024;
}http {include       mime.types;default_type  application/json;sendfile        on;keepalive_timeout  65;server {listen       8080;server_name  localhost;# 指定前端项目所在的位置location / {root   html/hmdp;index  index.html index.htm;}error_page   500 502 503 504  /50x.html;location = /50x.html {root   html;}location /api {  default_type  application/json;#internal;  keepalive_timeout   30s;  keepalive_requests  1000;  #支持keep-alive  proxy_http_version 1.1;  rewrite /api(/.*) $1 break;  proxy_pass_request_headers on;#more_clear_input_headers Accept-Encoding;  proxy_next_upstream error timeout;  proxy_pass http://127.0.0.1:8081;#proxy_pass http://backend;}}upstream backend {server 127.0.0.1:8081 max_fails=5 fail_timeout=10s weight=1;#server 127.0.0.1:8082 max_fails=5 fail_timeout=10s weight=1;}  
}