用nginx解决前端跨域问题

假如前端你项目部署在nginx的根目录下,然后项目需要请求后台小伙伴写的接口

nginx配置:

#user  nobody;
worker_processes 1; #error_log logs/error.log;
#error_log logs/error.log notice;
#error_log logs/error.log info; #pid logs/nginx.pid; events {
worker_connections 1024;
} 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; #keepalive_timeout 0;
keepalive_timeout 65; #gzip on; server {
listen 9511;
server_name localhost;
#charset koi8-r; #access_log logs/host.access.log main; location / {
root D:\xxx\xxx\xxx; #项目在计算机中的位置(前端你项目)
index index.html index.htm; #指定项目入口文件
try_files $uri $uri/ /index.html; #解决vue-router的history模式 刷新404问题 }
location /data/ {
proxy_pass http://139.196.xxx.xx:8083;# 代理接口地址
}
#error_page 404 /404.html; # redirect server error pages to the static page /50x.html
#
error_page 500 502 503 504 /50x.html;
location = /50x.html {
root html;
} # proxy the PHP scripts to Apache listening on 127.0.0.1:80
#
#location ~ \.php$ {
# 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;
#}
} # another virtual host using mix of IP-, name-, and port-based configuration
#
#server {
# listen 8000;
# listen somename:8080;
# server_name somename alias another.alias; # location / {
# root html;
# index index.html index.htm;
# }
#} # HTTPS server
#
#server {
# listen 443 ssl;
# server_name localhost; # ssl_certificate cert.pem;
# ssl_certificate_key cert.key; # ssl_session_cache shared:SSL:1m;
# ssl_session_timeout 5m; # ssl_ciphers HIGH:!aNULL:!MD5;
# ssl_prefer_server_ciphers on; # location / {
# root html;
# index index.html index.htm;
# }
#} }

然后在浏览器中输入localhost:9511就可以访问到项目了!!!并且可以请求到后盾接口数据!!!

列几个nginx经常用到的命令

nginx -t  测试配置文件是否正确

start nginx  启动nginx

nginx -s reload  热更新

nginx -s quit   温柔停止

nginx -s stop  粗暴停止

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