问题:打开本地html文件时,,报错如下 Cross origin requests are only supported for protocol schemes: http, data,chrome-extension, https, chrome-extension-resource. 做本地文件上传,浏览器为了安全性考虑,默认对跨域访问禁止. 出现跨域,给浏览器传入启动参数(allow-file-access-from-files),允许跨域访问. Windows下,运行"C:/Prog