nginx接口反向代理配置介绍

最核心的问题就是，登录时，无法写入cookie的问题，为了解决这个问题，走了不少弯路。

worker_processes  1; events {     worker_connections  1024; } http {     include       mime.types;     default_type  application/octet-stream;     sendfile      on;     keepalive_timeout 10;     server {         listen  80;         server_name  localhost;                  location =/ {             add_header X-Frame-Options SAMEORIGIN;             root        D:/workspace/;             index index.html;         }          location ~* \.(html|htm|gif|jpg|jpeg|bmp|png|ico|txt|js|css|swf|woff|woff2|ttf|json|svg|cur|vue|otf|eot)$ {             charset     utf-8;             root        D:/workspace/;             expires     3d;         }                  location = /socket/v2 {             proxy_pass   http://test.com;             proxy_redirect off;             proxy_http_version 1.1;             proxy_set_header Upgrade $http_upgrade;             proxy_set_header Connection "upgrade";             proxy_set_header Host test.com;             proxy_set_header X-Real-IP $remote_addr;             proxy_set_header REMOTE-HOST $remote_addr;             proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;             proxy_connect_timeout 30;             proxy_send_timeout 30;             proxy_read_timeout 60;             proxy_buffer_size 256k;             proxy_buffers 4 256k;         }                  location / {             proxy_pass   http://test.com;             proxy_set_header Cookie $http_cookie;             proxy_cookie_domain test.com localhost;             proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;             proxy_set_header Host test.com;             proxy_set_header X-Real-IP $remote_addr;             proxy_set_header REMOTE-HOST $remote_addr;         }     } }

核心代码在三行代码上：proxy_set_header Cookie $http_cookie;proxy_cookie_domain test.com localhost;proxy_set_header Host test.com;

具体解释我也是一知半解：第一个是携带cookie，第二个设置cookie 的 domain第三个 设置真实的host

重要提示：以上3个的顺序不要颠倒，否则代理失败，我也不知道为什么。

如何在手机上调试呢？

手机上不可能直接访问localhost,可以把手机和电脑连接到同一个网段，使用电脑的ip进行访问。

但是这里只代理了localhost,并没有代理电脑的ip

所以，需要把是上面的server{...}拷贝一份，只需要把里面的localhost全部改成你的电脑ip就可以了，最终代码：

worker_processes  1; events {     worker_connections  1024; } http {     include       mime.types;     default_type  application/octet-stream;     sendfile      on;     keepalive_timeout 10;     server {         listen  80;         server_name  localhost;                  location =/ {             add_header X-Frame-Options SAMEORIGIN;             root        D:/workspace/;             index index.html;         }          location ~* \.(html|htm|gif|jpg|jpeg|bmp|png|ico|txt|js|css|swf|woff|woff2|ttf|json|svg|cur|vue|otf|eot)$ {             charset     utf-8;             root        D:/workspace/;             expires     3d;         }                  location = /socket/v2 {             proxy_pass   http://test.com;             proxy_redirect off;             proxy_http_version 1.1;             proxy_set_header Upgrade $http_upgrade;             proxy_set_header Connection "upgrade";             proxy_set_header Host test.com;             proxy_set_header X-Real-IP $remote_addr;             proxy_set_header REMOTE-HOST $remote_addr;             proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;             proxy_connect_timeout 30;             proxy_send_timeout 30;             proxy_read_timeout 60;             proxy_buffer_size 256k;             proxy_buffers 4 256k;         }                  location / {             proxy_pass   http://test.com;             proxy_set_header Cookie $http_cookie;             proxy_cookie_domain test.com localhost;             proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;             proxy_set_header Host test.com;             proxy_set_header X-Real-IP $remote_addr;             proxy_set_header REMOTE-HOST $remote_addr;         }     }     server {         listen  8080;         server_name  xx.xx.xx.xx;                  location =/ {             add_header X-Frame-Options SAMEORIGIN;             root        D:/workspace/;             index index.html;         }          location ~* \.(html|htm|gif|jpg|jpeg|bmp|png|ico|txt|js|css|swf|woff|woff2|ttf|json|svg|cur|vue|otf|eot)$ {             charset     utf-8;             root        D:/workspace/;             expires     3d;         }                  location = /socket/v2 {             proxy_pass   http://test.com;             proxy_redirect off;             proxy_http_version 1.1;             proxy_set_header Upgrade $http_upgrade;             proxy_set_header Connection "upgrade";             proxy_set_header Host test.com;             proxy_set_header X-Real-IP $remote_addr;             proxy_set_header REMOTE-HOST $remote_addr;             proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;             proxy_connect_timeout 30;             proxy_send_timeout 30;             proxy_read_timeout 60;             proxy_buffer_size 256k;             proxy_buffers 4 256k;         }                  location / {             proxy_pass   http://test.com;             proxy_set_header Cookie $http_cookie;             proxy_cookie_domain test.com xx.xx.xx.xx;             proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;             proxy_set_header Host test.com;             proxy_set_header X-Real-IP $remote_addr;             proxy_set_header REMOTE-HOST $remote_addr;         }     } }

访问方法：

http://xx.xx.xx.xx:8080 即可

如果是打包工具生成增这个配置的话，可以用nodejs动态获取你电脑的ip

function  getIPAdress() {           var  interfaces  =  require('os').networkInterfaces();           for (var  devName  in  interfaces) {                     var  iface  =  interfaces[devName];                     for (var  i = 0; i < iface.length; i++) {                              var  alias  =  iface[i];                              if (alias.family  ===  'IPv4'  &&  alias.address  !==  '127.0.0.1'  &&  !alias.internal) {                                        return  alias.address;             }                     }           }   }

所以，这里贴出来一个动态生成nginx.config的工具

function buildNginxConfig(config) {     function  getIPAdress() {               var  interfaces  =  require('os').networkInterfaces();               for (var  devName  in  interfaces) {                         var  iface  =  interfaces[devName];                         for (var  i = 0; i < iface.length; i++) {                                  var  alias  =  iface[i];                                  if (alias.family  ===  'IPv4'  &&  alias.address  !==  '127.0.0.1'  &&  !alias.internal) {                                            return  alias.address;                                  }                         }               }       }     var cwd = process.cwd().replace(/\\/g, '/') + '/app';     var protocol = /https|443/.test(config.ip) ? 'https' : 'http';     var servers = [{         browserIp: 'localhost',         port: 80,         root: cwd,         serverIp: config.ip,         protocol: protocol,     }, {         browserIp: getIPAdress(),         port: 8080,         root: cwd,         serverIp: config.ip,         protocol: protocol,     }].map(function(item) {         return `     server {         listen  ${item.port};         server_name  ${item.browserIp};                  location =/ {             add_header X-Frame-Options SAMEORIGIN;             root        ${item.root};             index index.html;         }         location ~* \\.(html|htm|gif|jpg|jpeg|bmp|png|ico|txt|js|css|swf|woff|woff2|ttf|json|svg|cur|vue|otf|eot)$ {             charset     utf-8;             root        ${item.root};             expires     3d;         }                  location = /socket/v2 {             proxy_pass   ${item.protocol}://${item.serverIp};             proxy_redirect off;             proxy_http_version 1.1;             proxy_set_header Upgrade $http_upgrade;             proxy_set_header Connection "upgrade";             proxy_set_header Host ${item.serverIp};             proxy_set_header X-Real-IP $remote_addr;             proxy_set_header REMOTE-HOST $remote_addr;             proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;             proxy_connect_timeout 30;             proxy_send_timeout 30;             proxy_read_timeout 60;             proxy_buffer_size 256k;             proxy_buffers 4 256k;         }                  location / {             proxy_pass   ${item.protocol}://${item.serverIp};             proxy_set_header Cookie $http_cookie;             proxy_cookie_domain ${item.serverIp} ${item.browserIp};             proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;             proxy_set_header Host ${item.serverIp};             proxy_set_header X-Real-IP $remote_addr;             proxy_set_header REMOTE-HOST $remote_addr;         }     }`;     }).join('\n');     var str = `worker_processes  1; events {     worker_connections  1024; } http {     include       mime.types;     default_type  application/octet-stream;     sendfile      on;     keepalive_timeout 10;     ${servers} }`;     return str; } exports = module.exports = buildNginxConfig;

有了这个万能反向代理，可以随心所欲的玩转任何网站接口了

推荐教程：nginx教程

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