[Servlet] 구구단 출력

Java/JSP&Servlet

[Servlet] 구구단 출력

퓨어맨 2022. 5. 13. 17:42

<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
</head>
<body>
	<form action="ex08mul">
		<span>출력을 원하는 구구단 수를 입력하세요</span>
		<input type = "text" name="mul">
		<input type = "submit" value="send">
	</form>
</body>
</html>

import java.io.IOException;
import java.io.PrintWriter;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;


@WebServlet("/ex08mul")
public class ex08mul extends HttpServlet {
	private static final long serialVersionUID = 1L;

	protected void service(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		String mul = request.getParameter("mul");
		
		response.setContentType("text/html; charset=utf-8");
		
		int num = Integer.parseInt(mul);
		
		PrintWriter out = response.getWriter();
		
		out.print("<html>");
		out.print("<head> </head>");
		out.print("<body>");
		out.print("<table border='1'>");
		
		for(int i=1;i<10;i++) {			
			out.print("<tr>");
			out.print("<td>"+mul+"*"+i+"="+(num*i));
			out.print("</tr>");
		}
		
		out.print("</table>");
		out.print("</body>");
		out.print("</html>");
	}
	

}

5단 출력하기

결과화면