nginx配置接口跨域请求

 server {
        listen      8017;
        #server_name anitt.cn;

        # Vue路由模式为history需添加的配置
        location / {
            if (!-e $request_filename) {
                rewrite ^(.*)$ /index.html?s=$1 last;
                break;
            }
            root   /opt/toncentsoft/tomcat/QRCodeByHud/;
            index  index.html;
        }

        location /txhud/ {
            proxy_pass http://ip:8085/business/versionFileUpload/getApkPath;
        }

        # 以上为完整版需要加的反向代理转发路径规则

        # 获取真实IP以及Websocket需添加的配置
        proxy_set_header Host $host;
        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_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";

        # 客户端Body大小限制（文件上传大小限制配置）
        client_max_body_size 8m;

        error_page   500 502 503 504 404  /50x.html;
        location = /50x.html {
            root   html;
        }

    }