computerfactor.java

来自「可以让初学者有一个感性的认识」· Java 代码 · 共 35 行

JAVA
35
字号
import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;

public class ComputerFactor extends HttpServlet
{
	public void init(ServletConfig config) throws ServletException
	{
		super.init(config);
	}

	public void doPost(HttpServletRequest request,HttpServletResponse response) throws IOException,ServletException
	{
		PrintWriter out=response.getWriter();
		response.setContentType("text/html;charset=GB2312");
		out.println("<HTML><BODY>");
		String number=request.getParameter("number");
		double n=0;
		try
		{
			n=Double.parseDouble(number);
			out.println("<H1>factors of "+n+":</H1>");
			for(int i=1;i<=n;i++)
				if(n%i==0)out.println(i);
		}catch(NumberFormatException e)
		{out.print("<H1>input number letter please!</H1>");}
	}

	public void doGet(HttpServletRequest request,HttpServletResponse response) throws IOException,ServletException
	{
		doPost(request,response);
	}

}

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