在配置nginx反向代明白决跨域问题时，为什么location /api背面的/api 这个 - ToB企服应用市场:ToB评测及商务社交产业平台

#user nobody;
worker_processes 8;
#error_log logs/error.log;
#error_log logs/error.log notice;
#crit
#error_log logs/error.log info;
error_log /usr/local/nginx/logs/nginx_error.log error;
pid /usr/local/nginx/logs/nginx.pid;
worker_rlimit_nofile 65535;
events {
use epoll;
worker_connections 2048;
}
http {
include mime.types;
default_type application/octet-stream;
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 logs/access.log main;
sendfile on;
#tcp_nopush on;
tcp_nopush on; #仅依赖于sendfile使用，能够使得Nginx在一个数据包中尝试发送响应头，以及在数据包中发送一个完整文件
tcp_nodelay on; #启用或禁用TCP_NODELAY选项，用于keep-alive连接
#keepalive_timeout 0;
keepalive_timeout 300;
#gzip on;
gzip on;
gzip_min_length 1k;
gzip_buffers 4 16k;
#gzip_http_version 1.1;
gzip_comp_level 5;
gzip_types text/plain application/x-javascript application/javascript text/css application/xml image/jpeg image/gif image/png;
#gzip_vary on;
gzip_disable "MSIE [1-6]\."; #IE1-6版本不支持gzip压缩
proxy_connect_timeout 75;
proxy_read_timeout 300;
proxy_send_timeout 300;
proxy_buffer_size 64k;
proxy_buffers 4 64k;
proxy_busy_buffers_size 128k;
proxy_temp_file_write_size 128k;
client_max_body_size 100m;
server_tokens off;
proxy_temp_path /usr/local/nginx/temp;
#用于指定本地目录来缓冲较大的代理请求
#设定负载均衡的服务器列表
upstream myweb {
#weigth参数表示权值，权值越高被分配到的几率越大
# ip_hash;
server 172.26.5.6:5210 weight=1 max_fails=2 fail_timeout=30s;
server 172.26.5.6:6610 weight=1 max_fails=2 fail_timeout=30s;
# server 172.26.136.135:4310 weight=1 max_fails=2 fail_timeout=30s;
}
upstream mp {
server 172.26.5.6:2300 weight=1 max_fails=2 fail_timeout=30s;
}
upstream mylocal {
#weigth参数表示权值，权值越高被分配到的几率越大
# ip_hash;
server 172.26.5.6:3310 weight=1 max_fails=2 fail_timeout=30s;
}
server {
listen 80;
listen [::]:80; ## ipv6 support
server_name _;
#charset koi8-r;
rewrite ^(.*) https://www.j.com$1 permanent;
#access_log logs/host.access.log main;
# location / {
# proxy_set_header Host $proxy_host;
# proxy_set_header X-Real-IP $remote_addr;
# proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
# access_log logs/webaccess.log main ;
# client_max_body_size 20m;
# proxy_read_timeout 1500;
# client_body_buffer_size 256k;
# proxy_buffer_size 64k;
# proxy_buffers 4 64k;
# proxy_busy_buffers_size 128k;
# proxy_temp_file_write_size 256k;
# proxy_pass http://myweb/;
# }
location /console/ {
proxy_set_header Host $proxy_host;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
access_log logs/consoleaccess.log main ;
client_max_body_size 20m;
proxy_read_timeout 1500;
client_body_buffer_size 256k;
proxy_buffer_size 64k;
proxy_buffers 4 64k;
proxy_busy_buffers_size 128k;
proxy_temp_file_write_size 256k;
proxy_pass http://mylocal/;
}
location ~ .*\.(gif|jpg|jpeg|png|bmp|swf)$ {
proxy_pass http://myweb;
expires 7d;
}
location ~ .*\.(js|css)$ {
proxy_pass http://myweb;
expires 7d;
}
# redirect server error pages to the static page /50x.html
#
error_page 404 403 500 502 503 504 /404.html;
location = /404.html {
root /usr/local/nginx/html;
index 404.html;
}
# proxy the PHP scripts to Apache listening on 127.0.0.1:80
#
#location ~ \.php$ {
# proxy_pass http://127.0.0.1;
#}
# pass the PHP scripts to FastCGI server listening on 127.0.0.1:9000
#
#location ~ \.php$ {
# root html;
# fastcgi_pass 127.0.0.1:9000;
# fastcgi_index index.php;
# fastcgi_param SCRIPT_FILENAME /scripts$fastcgi_script_name;
# include fastcgi_params;
#}
# deny access to .htaccess files, if Apache's document root
# concurs with nginx's one
#
#location ~ /\.ht {
# deny all;
#}
}
server {
listen 443 ssl;
listen [::]:443 ssl;
# listen [::]:443;
server_name j.com www.j.com;
#ssl on;
ssl_certificate /usr/local/nginx/crt/j.com.pem;
ssl_certificate_key /usr/local/nginx/crt/j.com.key;
ssl_protocols TLSv1.1 TLSv1.2;
ssl_ciphers ECDHE-RSA-AES128-GCM-SHA256:HIGH:!aNULL:!MD5:!RC4:!DHE;
ssl_session_cache shared:SSL:10m;
ssl_session_timeout 10m;
ssl_stapling on;
ssl_stapling_verify on;
ssl_prefer_server_ciphers on;
location / {
proxy_set_header Host $proxy_host;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
access_log logs/webaccess.log main ;
client_max_body_size 20m;
proxy_read_timeout 1500;
client_body_buffer_size 256k;
proxy_buffer_size 64k;
proxy_buffers 4 64k;
proxy_busy_buffers_size 128k;
proxy_temp_file_write_size 256k;
proxy_pass http://myweb/;
#
}
location /docs {
root /app;
charset utf-8;
index index.htm index.html;
}
location /jlrcwpages {
root /app;
charset utf-8;
index index.htm index.html;
}
location /ysxRtxF72U.txt {
root /app/txt;
charset utf-8;
}
location /api {
proxy_pass https://hr.j.com;
proxy_set_header Host $host;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
# 允许跨域请求
add_header 'Access-Control-Allow-Origin' '*';
add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS';
add_header 'Access-Control-Allow-Headers' 'DNT,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Range';
if ($request_method = 'OPTIONS') {
add_header 'Access-Control-Max-Age' 1728000;
add_header 'Content-Type' 'text/plain; charset=utf-8';
add_header 'Content-Length' 0;
return 204;
}
}
}
}

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