一款供大家学习的小例子 实现了在线聊天室的功能。 此为源代码可导入eclipse中发布到tomact下查看效果，登陆localhost:8080/login.jsp 即可进入系统，比较适合学习，嘿嘿~希望能帮到大家吧~就这些介绍咯~-A small example for everyone to learn to achieve an online chat room feature. This is the source code into eclipse viewing the resu