1.找到宝塔的nginx配置文件

宝塔有一点不同，nginx配置文件不在nginx的安装目录中，应当去/www/server/panel/vhost/nginx找到

2.添加你要跨域的地址

location /api {
    proxy_pass http://localhost:8080;
    proxy_set_header Host $host;
    proxy_set_header X-Real-Ip $remote_addr;
    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    proxy_set_header X-Forwarded-Proto $scheme;
    rewrite ^/api/(.*)$ /$1 break;
}