js格式验证大全，包括邮箱，电话，手机号，url，各种号码，输入框文本验证-js format validation Daquan, including email, phone, phone number, url, various numbers, text input box validation

用javascr ipt原生ajax实现邮箱是否已被注册的异步验证-Ajax using javascr ipt to achieve native-mail has been registered whether asynchronous verification

正则验证各种数据格式，邮箱，电话，Ip-Regular validation of a variety of data format, email, phone, Ip, and so on

用java实现的网络爬虫 可以爬取网页邮箱信息，有界面-A webspider implemented by Java.

数据库编程，程序以图形界面方式运行，在数据库中建立以自己学号末三位命名的表名，并写入个人信息，包括，学号、姓名、邮箱等信息。数据库地址和端口：210.26.111.64：3306，数据库名：java(Database programming, the program to graphical interface to operate, in the database to establish their own student number at the end of three named t