HelloServlet.java
package servlet.hello;
import java.io.IOException;
import java.io.PrintWriter;
import java.text.SimpleDateFormat;
import java.util.Date;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
public class HelloServlet extends HttpServlet{
public void doGet(HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException {
response.setContentType("text/html; charset=utf-8");
PrintWriter out = response.getWriter();
String time = getNow();
out.println("<html><head><title>HelloServlet</title></head>");
out.println("<body>안녕하세요...<br>");
out.println("현재시간 : "+ time+" 입니다");
out.println("</body></html>");
}
public String getNow() {
//yyyy.MM.dd HH:mm:ss
SimpleDateFormat sd = new SimpleDateFormat("yyyy.MM.dd HH:mm:ss"); //년월일 시분초를 조회하기 위한 클래스
String date = sd.format(new Date()); //Date 객체를 조회하면 현재 시간을 조회
return date;
}
}
web.xml
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" id="WebApp_ID" version="2.5">
<servlet>
<servlet-name>hello</servlet-name>
<servlet-class>servlet.hello.HelloServlet</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>hello</servlet-name>
<url-pattern>/helloServlet</url-pattern>
</servlet-mapping>
</web-app>
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