hashtable.remove("log");
}
return true;
}
private Hashtable getConfig(String s)//取得配置
{
Hashtable hashtable = (Hashtable)cfgs.get(s);
if(hashtable != null)//如果配置不为空
try
{
String s1 = (String)hashtable.get("edited");
File file = new File(s);
if(!s1.equals(String.valueOf(file.lastModified()))){
file://如果s1的值不等于文件最后一次修改的值，则hashtable的内容为空值
hashtable = null;
}
catch(Exception _ex)//捕获Exception _ex错误
{
hashtable = null;
}
if(hashtable != null)
return hashtable;
hashtable = new Hashtable();
if(!readConfig(s, hashtable))
{
return null;
}
else
{
cfgs.put(s, hashtable);
return hashtable;
}
}
public void init(ServletConfig servletconfig)//初始化配置参数
throws ServletException {
file://如果出错，抛出一个ServletException错误
super.init(servletconfig);
separator = System.getProperty("file.separator");//取得分隔符
cfgs = new Hashtable();//设置配置变量
logs = new Hashtable();//设置日志变量
System.out.println("© Wayne Zheng ");//屏幕输出我的邮箱地址
}
public void destroy()
{
}
public void doPost(HttpServletRequest request, HttpServletResponse response)
file://发送POST请求
throws ServletException, IOException
{ doGet(request, response); }
public void doGet(HttpServletRequest httpservletrequest, HttpServletResponse httpservletresponse)
file://读取GET
throws ServletException, IOException
{
String strConfig = httpservletrequest.getQueryString();
file://读取请求字符串
if(strConfig == null)//如果字符串为空
strConfig = "";//那么设置strConfig为空
if(strConfig.length() == 0)
file://如果strConfig长度为零，那么显示错误信息
{
errorMessage("无配置信息！", httpservletresponse);
return;
}
String strConfig1 = getFromQuery(s, "config=");//同上
if(strConfig1.length() == 0){
strConfig1 = strConfig;
Hashtable hashtable = getConfig(strConfig1);
if(hashtable == null)
{
errorMessage("配置信息错误！", httpservletresponse);
return;
}
if(hashtable.get("dir") == null)
file://如果哈希表中dir为空值，则输出错误信息
{
errorMessage("不能打开数据目录", httpservletresponse);
return;
}
String strConfigMode2 = getFromQuery(strConfig, "mode=");//读取配置中的mode值
if(strConfigMode2.length() == 0){//如果没有mode值
strConfigMode2 = "1";//则设mode值为1
String strConfigId3 = getFromQuery(strConfig, "id=");//读取配置中的id值
if(strConfigId3.length() == 0){
file://如果没有id值
strConfigId3 = "1";//则设id值为1
HttpSession httpsession = httpservletrequest.getSession(true);
if(strConfigMode2.equals("1"))
file://如果strConfigMode2的值为1，则显示banner广告
{
showBanner(hashtable, strConfigId3, httpsession, httpservletrequest, httpservletresponse);
return;
}
else
file://否则转向banner所指的站点
{
goToSite(hashtable, strConfigId3, httpsession, httpservletrequest, httpservletresponse);
return;
}
}
private void goToSite
(Hashtable hashtable, String s, HttpSession httpsession,
HttpServletRequest httpservletrequest, HttpServletResponse
httpservletresponse)//转向站点
throws IOException file://如果有任何错误，抛出IOException错误
{
String sitename1;//定义站点名
if(httpsession == null)//如果httpsession为空