一个随机抽签的源代码，用C＋＋语言写的，可以在VC环境下运行，只要在一个TXT文件写上抽签的号码来源和所抽数目，即可录入并且随机抽出所需号码-a random drawing of lots of source code, C++ languages, the VC environment operation, as long as a TXT file on the ballot sources and the number of smoked number can be recorded and random numbers needed