基于Smack库与HttpClient登录的实现

No matter the website or forum, or general information management system, the feature of login is an essential part of them. The login style of a traditional system is through registered as users of the system and then use the registered user name and password to login system.In order to meet the demand that customer could login system with out register. This paper presents a different way of the realization of user login, according this way, users do not need to register, you can make use of the user name and password of e-mail or instant messenger to login the system. The principle of this approach make use of the specific plug-in API or use HttpClient manner, writing a specific login code on the existing applications, for example, writing the login code of Gmail style through the Smack API provided by Apache, so that users of Gmail can, through their own mail user name and password to login the system but without having to register in the system.