首先打开后端的站点

在站点设置内打开 "配置文件" 然后在 “server_name 本机ip ”下方添加跨域配置,添加成功后重启nginx即可

 add_header 'Access-Control-Allow-Origin' '*';
add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS, PUT, DELETE';
add_header 'Access-Control-Allow-Credentials' 'true';
  add_header 'Access-Control-Allow-Headers' 'DNT,X-Mx-ReqToken,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Authorization';