dopost.java

IBM AGLET及JAVA实现的电子商务系统源码

public void doPost(HttpServletRequest req,HttpServletResponse res)
	throw ServletException,IOException
	{
	res.setContentType("text/html");
	PrintWriter toClient=res.getWriter();
	try{
	String surveyName=req.getParameterValues("survey")[0];
	FileWriter resultsFile=newFileWriter(resultsDir+System.getProperty("file.separator")+surveyName+".txt",true);
	PrintWriter toFile=new PrintWriter(resultsFile);
	toFile.println("");
	Enumeration values=req.getParameterNames();
	while(values.hasMoreElement()){
		String name=(String)values.nextElement();
		String value=req.getParameterValues(name)[0];
		if(name.compareTo("submit")!=0){
			toFile.println(name+":"+value);
		}
	}
	toFile.println("");
	resultsFile.close();
	toClient.println("");
	toClient.println("");
	toClient.println("Thank you for participating");
	toClient.println("");	
	}catch(IOEception e){
		e.printStackTrace();
		toClient.println("A problem occured while recording your answers."+"Please try again.");
	}
	toClien.close();
	}