网上调查在网络中使用得非常广泛，很多电视台新闻媒体经常采用这种方式对社会上某些现象进行调查。本实例实现了在局域网中进行网上调查的功能。-Online survey in the network using the very wide range, many television news media is frequently used in certain phenomena of social investigation. This instance realized the online