<%
try {
java.io.FileReader fr=new java.io.FileReader(request.getRealPath("/")+"\\counter.txt");
java.io.BufferedReader br = new java.io.BufferedReader(fr);
String countno = br.readLine();
if (countno == null) {
java.io.FileWriter fw=new java.io.FileWriter(request.getRealPath("/")+"\\counter.txt");
java.io.PrintWriter pw=new java.io.PrintWriter(fw);
pw.print("1");
pw.close();
fw.close();
}
else{
out.println("本页面是第"+countno+"次被访问！！");
java.io.FileWriter fw=new java.io.FileWriter(request.getRealPath("/")+"\\counter.txt");
java.io.PrintWriter pw=new java.io.PrintWriter(fw);
pw.print(String.valueOf(Integer.parseInt(countno)+1) );
pw.close();
fw.close();
}}
catch(Exception e){
java.io.FileWriter fw=new java.io.FileWriter(request.getRealPath("/")+"\\counter.txt");
java.io.PrintWriter pw=new java.io.PrintWriter(fw);
pw.print("1");
out.println("本页面是第"+1+"次被访问！！");
pw.close();
fw.close();
}
%>
建同目录文件counter.txt写入值0用于保存访问次数！