jsp--小小聊天室.doc

导航：login.html-登录，js简单验证chat.jsp-框架页，上为show，下inputinput.jsp-输入show.jsp-显示初学jsp自己练手用的，拿出来分享大家共同学习，共同进步Part 1: login.html login.html !- userid: password: alert(hello);function ck()if(document.form1.uid.value=admin)&(document.form1.word.value)=admin)return true;else alert(您输入的密码错误！);return false; Part 2:Chat.jsp % String uid=new String(); /uid=$param.uid; uid=request.getParameter(uid);/ session.putValue(uid,uid); /out.println(session.getValue(uid); /out.println(uid); /out.println( $param.uid );/ application.setAttribute(show,); % Part 3:Input.jsp function ch()if(document.iform.chat.value=)alert(please input your words);return false;else return true;Part 4:Show.jspwelcome to our chat room!% int i,k; /application.setAttribute(i,null); String in=(String)application.getAttribute(i); String show=; if(in!=null) i=Integer.parseInt(in)+1; else i=0; application.setAttribute(i,+i); String uid=(String)session.getValue(uid); if(i=5) for(k=0;ki;k+) show=show+(String)application.getAttribute(show+k); else for(k=0;ki-1;k+) /application.removeAttribute(show+k); application.setAttribute(show+k,application.getAttribute(show+(k+1); show=show+(String)application.getAttribute(show+k); i-; application.setAttribute(i,+i) ; show+= +uid+:+request.getParameter(chat); application.setAttrib