对话框及控件,是一个简单的对话框。 对话框里没有内容，但有菜单栏-Dialog box and controls, is a simple dialog box. There is no dialog, but there is the menu bar

单文件上传源码，带进度条以及上传字节显示，源码可以自定义调整上传类型。-Single source file upload with progress bar and upload bytes show source can customize adjusted upload type.