用JavaServlet构建广告系统(3)
点击次数：32 次 发布日期：2008-11-26 16:26:38 作者：源代码网
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{ sitename1 = getFirstSite(hashtable);//站点名为哈希表中的第一个站点名 } else file://否则 { Hashtable hashtable1 = (Hashtable)httpsession.getValue("旗帜广告系统 ,Wayne Zheng"); if(hashtable1 == null){ file://如果哈希表hashtable1为空值，则 sitename1 = getFirstSite(hashtable);// 站点名为哈希表（hashtable）中的第一个站点名 else sitename1 = (String)hashtable1.get(s); } if(sitename1 == null) file://如果站点名为空值则站点名为默认值http://www.yesky.com sitename1 = "http://www.yesky.com"; String s2; if(hashtable.get("log") != null && (s2 = getFileByUrl(hashtable, s1)) != null){ writeLog(hashtable, s2, sitename1, "c", httpservletrequest); httpservletresponse.sendRedirect(sitename1); } private void showBanner(Hashtable hashtable, String s, HttpSession httpsession, HttpServletRequest httpservletrequest, HttpServletResponse httpservletresponse) throws IOException { String s1 = (String)hashtable.get("dir"); File file = new File(s1); Vector vector; if(file == null) { vector = new Vector(); } else { String as[] = file.list(); vector = getGraphFiles(as); } if(vector.size() == 0) { httpservletresponse.setContentType("text/html"); PrintWriter out = httpservletresponse.getWriter(); out.println("目录是空的！"); out.flush(); out.close(); return; } int i; if(httpsession != null) synchronized(hashtable.get("dir")) { Integer integer; int j; if((integer = (Integer)httpsession.getValue("bi")) == null){ j = 0; else j = integer.intValue(); if(j >= vector.size()) { j = 0; i = j; if(++j >= 3){ j = 0; httpsession.putValue("bi", new Integer(j)); } else i = 0; String s2 = (String)vector.elementAt(i); String s3; if(httpsession != null && (s3 = getUrl(hashtable, s2)) != null) { Hashtable hashtable1; if((hashtable1 = (Hashtable)httpsession.getValue("旗帜广告系统 ,Wayne Zheng")) == null){ hashtable1 = new Hashtable(); hashtable1.put(s, s3); httpsession.putValue("旗帜广告系统 ,Wayne Zheng", hashtable1); } if(hashtable.get("log") != null) { writeLog(hashtable, s2, "v", httpservletrequest); outputBanner(s2, hashtable, httpservletresponse); vector = null; } private void writeLog(Hashtable logHashtable, String logString, String logString1, String logString2, HttpServletRequest httpservletrequest)//写日志的函数 { String logString3 = (String)hashtable.get("log"); String logString4 = getLogString(logString, httpservletrequest) + " "" + logString1 + """; GregorianCalendar gregoriancalendar = new GregorianCalendar(); file://获取当前的时间 gregoriancalendar.setTime(new Date()); String logString5 = logString3 + stringDate(gregoriancalendar) + logString2 + ".txt";//以时间戳和“c”或“v”为文件名来写日志文件 saveLog(hashtable, logString5, logString4); } private void writeLog(Hashtable logHashtable, String logString, String logString1, HttpServletRequest httpservletrequest) file://写日志文件 { String logString2 = (String)logHashtable.get("log"); String logString3 = getLogString(logString, httpservletrequest); GregorianCalendar gregoriancalendar = new GregorianCalendar(); gregoriancalendar.setTime(new Date()); 源代码网供稿. |
