文件上传简单的jsp+js实现的源代码，此方案参考实现的从本地上传到服务器上的功能-Simple file upload jsp+ js realized the source code reference implementation of this program upload from the local to the server function

VB Winsock 文件下载类，功能很全很强大，但有点复杂，欢迎大家研究下载。-VB Winsock file download class, very powerful, but a bit complicated.