不带URI方式:只包含IP和端口号的,不带uri(单个/也算uri),比如proxy_pass http://localhost:8080;

带URI方式:在端口号之后有其他路径的,包含了只有单个/的如proxy_pass http://localhost:8080/,以及其他路径,比如proxy_pass http://localhost:8080/ab带URI方式:在端口号之后有其他路径的,包含了只有单个/的如proxy_pass http://localhost:8080/,以及其他路径,比如proxy_pass http://localhost:8080/ab

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,请注意这里的双斜线,好好分析一下。


   location /api5/ {
           proxy_pass http://localhost:8080/haha;
        }
   # http://localhost/api5/xxx -> http://localhost:8080/hahaxxx,请注意这里的haha和xxx之间没有斜杠,分析一下原因。

   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,请注意这里的双斜杠。
}