一个电话本。 可以实现输入，通过人名查找号码，通过号码查找人名，删除，自动删除号码位数不符合要求的号码，生成和引用文本文档的功能。-A phone book. Can achieve input, by name search number, delete the number lookup names,, automatically delete the numbers do not meet the requirements of the number, the generation