JavaScript跨域访问CORS问题

在尝试从一个web前端使用HTTP Request请求访问REST服务端时，遇到错误: XMLHttpRequest cannot load https://localhost:8080/ping. No 'Access-Control-Allow-Origin' header is present on the requested resource. Origin 'https://localhost:63342' is therefore not allowed access.在尝试从一个web前端使用HTTP Request请求访问REST服务端时，遇到错误:&nbs