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作为前端开发,每次调试接口,把代码发到测试服务器,是很费时费事的一件事情。为了提高效率,想到了 nginx 反向代理来解决这一问题。
接口地址:test.com
访问地址:localhost
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