背景: NODE 做的后台 环境:在非 Chrome 下都能正常运行提交数据,只有 chrome 不行 警告语句: XMLHttpRequest cannot load http://XXX.com/login. No 'Access-Control-Allow-Origin' header is present on the requested resource. Origin 'http://www.XXX.com' is therefore not allowed access.
请教一下这是怎么回事?