toupiao2.jsp

实例大全

<!--toupiao2.jsp-->
<%@ page import="java.util.* " %>
<%@ page import="java.lang.* " %>
<%@ page import=" java.io.*" %>
<%
String action=request.getParameter("action");
String toup=request.getParameter("toupiao");
String mydata="";
if(action.compareTo("toupiao")==0) 
{
	String resultsDir="D:";
	FileWriter resultsFile=new FileWriter(resultsDir+
		System.getProperty("file.separator")+"EE.txt",true);
	File myfile=new File(resultsDir+System.getProperty("file.separator")+"EE.txt");
	
	if(!(myfile.exists()))
	{
		PrintWrite toFile=new PrintWriter(resultsFile);
		if(toup.compareTo("one")==0) mydata="1:0:0";
		if(toup.compareTo("two")==0) mydata="0:1:0";
		if(toup.compareTo("three")==0) mydata="0:0:1";
		toFile.println(mydata);
		resultsFile.close();
		out.println(mydata);
	}
	else
	{
		FileInputStream tfile=new FileInputStream(resultsDir+
			System.getProperty("file.separator")+"EE.txt");
		String str="";
		int c;
		while((c=tfile.read())!=-1)
		{
			str=str+(char)c;
		}
		int first=str.indexOf(":");
		int last=str.lastIndexOf(":");
		int lenth=str.length();
		String First=str.substring(0,first);
		String Next=str.substring(first+1,last);
		String Last=str.substring(last+1,lenth);
		tfile.close();
		
		Long a1=new Long(First);
		Long a2=new Long(Next);
		Long a3=new Long(Last);
		
		long b1=a1.longValue();
		long b2=a2.longValue();
		long b2=a2.longValue();

		if(toup.compareTo("one")==0) b1=b1+1;
		if(toup.compareTo("two")==0) b2=b2+1;
		if(toup.compareTo("three")==0) b3=b3+1;

		Long c1=new Long(b1);
		Long c2=new Long(b2);
		Long c3=new Long(b3);

		String d1=c1.toString();
		String d2=c2.toString();
		String d3=c3.toString();

		str=d1+":"+d2+":"+d3;
		RandomAccessFile savafile=new RandomAccessFile(resultsDir+
			System.getProperty("file.separator")+"EE.txt","rw");
		savefile.writeBytes(str);
		savefile.close();
	}
%>
<SCRIPT LANGUAGE="JavaScript">
alert("Thank you!");
self.location="tou1.jsp";
</SCRIPT>

<%
}
%>