nginx域名隐性(地址栏域名不变)跳转

###

1、前提

系统介绍
    系统A 
        域名： http://yhjmp.test.com
        部署服务器：192.168.56.20
        服务器名称：A-system
    系统B 
        域名： http://yh.test.com或者http://yh.test.com/B-system【本文做了301永久跳转】
        部署服务器：192.168.56.140
        服务器名称：B-system
    系统B附属系统 
        域名： http://yh.test.com/B-system-bak
        部署服务器：192.168.56.140
        服务器名称：B-system
需求
　　两套系统A、B使用统一域名 http://yhjmp.test.com
　　点击跳转按钮，可访问两套系统中内容，域名不变
　　示例：浏览器地址栏中输入yhjmp.test.com域名不变访问的内容为yh.test.com上的内容

2、B系统-前端代码

[root@B-system html]# pwd
/usr/share/nginx/html

[root@B-system html]# tree -L 2
.
├── B-system
│   └── index.html
├── B-system-bak
     └── index.html

[root@B-system html]# cat B-system/index.html 
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<h1> B ~ 系统</h1>
<button onclick="window.location.href='/A-system/index.html'" type="button" id="add">跳转A系统</button>
<br /><br />
<button onclick="window.location.href='/B-system/index.html'" type="button" id="add">跳转B系统</button>
<br /><br />
<button onclick="window.location.href='/B-system-bak/index.html'" type="button" id="add">跳转B系统附属系统</button>
<br /><br />


[root@B-system html]# cat B-system-bak/index.html 
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<h1> B ~ 系统 ~ 附属系统</h1>
<button onclick="window.location.href='/A-system/index.html'" type="button" id="add">跳转A系统</button>
<br /><br />
<button onclick="window.location.href='/B-system/index.html'" type="button" id="add">跳转B系统</button>
<br /><br />
<button onclick="window.location.href='/B-system-bak/index.html'" type="button" id="add">跳转B系统附属系统</button>
<br /><br />

3、A系统-前端代码

[root@A-system html]# pwd
/usr/share/nginx/html

[root@A-system html]# tree -L 2
.
├── A-system
     └── index.html

[root@A-system html]# cat A-system/index.html 
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<h1> A ~ 系统</h1>
<button onclick="window.location.href='/A-system/index.html'" type="button" id="add">跳转A系统</button>
<br /><br />
<button onclick="window.location.href='/B-system/index.html'" type="button" id="add">跳转B系统</button>
<br /><br />
<button onclick="window.location.href='/B-system-bak/index.html'" type="button" id="add">跳转B系统附属系统</button>
<br /><br />

4、B系统nginx配置

[root@B-system ~]# cat /etc/nginx/nginx.conf
# For more information on configuration, see:
#   * Official English Documentation: http://nginx.org/en/docs/
#   * Official Russian Documentation: http://nginx.org/ru/docs/

user nginx;
worker_processes auto;
error_log /var/log/nginx/error.log notice;
pid /run/nginx.pid;

# Load dynamic modules. See /usr/share/doc/nginx/README.dynamic.
include /usr/share/nginx/modules/*.conf;

events {
    worker_connections 1024;
}
http {
    log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
                      '$status $body_bytes_sent "$http_referer" '
                      '"$http_user_agent" "$http_x_forwarded_for"';
    access_log  /var/log/nginx/access.log  main;
    rewrite_log on;
    error_log /var/log/nginx/error.log notice;

    sendfile            on;
    tcp_nopush          on;
    tcp_nodelay         on;
    keepalive_timeout   65;
    types_hash_max_size 4096;

    include             /etc/nginx/mime.types;
    default_type        application/octet-stream;

    include /etc/nginx/conf.d/*.conf;

    server {
        server_name  yh.test.com; 
        location /B-system {
          root /usr/share/nginx/html;
          try_files $uri $uri/  /B-system/index.html;
          index  index.html index.htm;
        }
        location /B-system-bak{
          root /usr/share/nginx/html;
          try_files $uri $uri/  /B-system-bak/index.html;
          index  index.html index.htm;
        }
        location / {
          rewrite ^/(.*) http://yh.test.com/B-system permanent;
        }
    }
}

5、A系统nginx配置

[root@A-system ~]# cat /etc/nginx/nginx.conf
# For more information on configuration, see:
#   * Official English Documentation: http://nginx.org/en/docs/
#   * Official Russian Documentation: http://nginx.org/ru/docs/

user nginx;
worker_processes auto;
error_log /var/log/nginx/error.log;
pid /run/nginx.pid;

# Load dynamic modules. See /usr/share/doc/nginx/README.dynamic.
include /usr/share/nginx/modules/*.conf;

events {
    worker_connections 1024;
}

http {
    log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
                      '$status $body_bytes_sent "$http_referer" '
                      '"$http_user_agent" "$http_x_forwarded_for"';

    access_log  /var/log/nginx/access.log  main;

    sendfile            on;
    tcp_nopush          on;
    tcp_nodelay         on;
    keepalive_timeout   65;
    types_hash_max_size 4096;

    include             /etc/nginx/mime.types;
    default_type        application/octet-stream;

    include /etc/nginx/conf.d/*.conf;

    server {
        server_name yhjmp.test.com;
        location /A-system {
            root /usr/share/nginx/html;
            try_files $uri $uri/  /A-system/index.html;
            index  index.html index.htm;
        }
        # 域名不变访问B系统资源
        location  /B-system {
            proxy_next_upstream error timeout http_503 http_504 http_502;
            proxy_connect_timeout 500s;
            proxy_read_timeout 500s;
            proxy_send_timeout 500s;
            # 本次测试做了本地host解析。
            # 生产环境未做host解析的两套系统需注释proxy_set_header Host $host;这行代码
            #【proxy_set_header Host $host;含义：会代理到本机主机名下的/B-system目录寻找资源，如果没有则报错404】
            #【404报错原因：如果客户端请求头中没有携带这个头部，那么传递到后端服务器的请求也不含这个头部。 这种情况下，更好的方式是使用$host变量——它的值在请求包含“Host”请求头时为“Host”字段的值，在请求未携带“Host”请求头时为虚拟主机的主域名】
            # proxy_set_header Host $host;
            proxy_set_header X-Real-IP $remote_addr;
            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
            # 重写url：(.*)括号面的.* 既是后面的$1。此location中^(.*)$：则是代表匹配url中/B-system/后面的全部内容
            rewrite  ^(.*)$   /$1  break;  #先改写URI地址
　　　　　　　# 反向代理地址：写上域名即可，访问时后面会自行带上/B-system/$1的url
　　　　　　　proxy_pass http://yh.test.com;
        }
        location / {
          rewrite ^/(.*) http://yhjmp.test.com/A-system permanent;
        }
    }
}