一款用 C# 编写的网络爬虫。用户可以通过设置线程数、线程等待时间，连接超时时间，可爬取文件类型和优先级、下载目录等参数，获得网络上URL,下载得到的数据存储在数据库中。-Using a web crawler written in C#. Users can set the number of threads, thread waiting time, connection time, crawling file types can be Type and priority, the do

数据库开发，网络pcap包读取，日志记录-Database development, network pcap packet read, log

利用NetFlow Simulator产生仿真网络流量，用Java NetFlow Collect-Analyzer采集数据并导入数据库。在此基础上针对相关数据作出分析和展示，并提供相关预测（如异常检测）。-we develop the Network Traffic Analysis System based on Cisco NetFlow. The project provide user-friendly web page, it contains charts ,tables and