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spring mvc : 회원가입 웹 애플리케이션(servlet)

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haerong22
2021-04-01 01:02:04 +09:00
parent aab81cebd5
commit 7896e0b470
3 changed files with 141 additions and 0 deletions
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39
spring-mvc/servlet/src/main/java/com/example/servlet/web/servlet/MemberFormServlet.java Normal file
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package com.example.servlet.web.servlet;
import com.example.servlet.domain.member.MemberRepository;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.io.PrintWriter;
@WebServlet(name = "memberFormServlet", urlPatterns = "/servlet/members/new-form")
public class MemberFormServlet extends HttpServlet {
private final MemberRepository memberRepository = MemberRepository.getInstance();
@Override
protected void service(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
resp.setContentType("text/html");
resp.setCharacterEncoding("utf-8");
PrintWriter w = resp.getWriter();
w.write("<!DOCTYPE html>\n" +
"<html>\n" +
"<head>\n" +
" <meta charset=\"UTF-8\">\n" +
" <title>Title</title>\n" +
"</head>\n" +
"<body>\n" +
"<form action=\"/servlet/members/save\" method=\"post\">\n" +
" username: <input type=\"text\" name=\"username\" />\n" +
" age: <input type=\"text\" name=\"age\" />\n" +
" <button type=\"submit\">전송</button>\n" +
"</form>\n" +
"</body>\n" +
"</html>\n");
}
}

55
spring-mvc/servlet/src/main/java/com/example/servlet/web/servlet/MemberListServlet.java Normal file
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package com.example.servlet.web.servlet;
import com.example.servlet.domain.member.Member;
import com.example.servlet.domain.member.MemberRepository;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.List;
@WebServlet(name = "memberListServlet", urlPatterns = "/servlet/members")
public class MemberListServlet extends HttpServlet {
private final MemberRepository memberRepository = MemberRepository.getInstance();
@Override
protected void service(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
List<Member> members = memberRepository.findAll();
resp.setContentType("text/html");
resp.setCharacterEncoding("utf-8");
PrintWriter w = resp.getWriter();
w.write("<html>");
w.write("<head>");
w.write(" <meta charset=\"UTF-8\">");
w.write(" <title>Title</title>");
w.write("</head>");
w.write("<body>");
w.write("<a href=\"/index.html\">메인</a>");
w.write("<table>");
w.write(" <thead>");
w.write(" <th>id</th>");
w.write(" <th>username</th>");
w.write(" <th>age</th>");
w.write(" </thead>");
w.write(" <tbody>");
for (Member member : members) {
w.write(" <tr>");
w.write(" <td>" + member.getId() + "</td>");
w.write(" <td>" + member.getUsername() + "</td>");
w.write(" <td>" + member.getAge() + "</td>");
w.write(" </tr>");
}
w.write(" </tbody>");
w.write("</table>");
w.write("</body>");
w.write("</html>");
}
}

47
spring-mvc/servlet/src/main/java/com/example/servlet/web/servlet/MemberSaveServlet.java Normal file
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package com.example.servlet.web.servlet;
import com.example.servlet.domain.member.Member;
import com.example.servlet.domain.member.MemberRepository;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.io.PrintWriter;
@WebServlet(name = "memberSaveServlet", urlPatterns = "/servlet/members/save")
public class MemberSaveServlet extends HttpServlet {
private final MemberRepository memberRepository = MemberRepository.getInstance();
@Override
protected void service(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
System.out.println("MemberSaveServlet.service");
String username = req.getParameter("username");
int age = Integer.parseInt(req.getParameter("age"));
Member member = new Member(username, age);
memberRepository.save(member);
resp.setContentType("text/html");
resp.setCharacterEncoding("utf-8");
PrintWriter w = resp.getWriter();
w.write("<html>\n" +
"<head>\n" +
" <meta charset=\"UTF-8\">\n" +
"</head>\n" +
"<body>\n" +
"성공\n" +
"<ul>\n" +
" <li>id="+member.getId()+"</li>\n" +
" <li>username="+member.getUsername()+"</li>\n" +
" <li>age="+member.getAge()+"</li>\n" +
"</ul>\n" +
"<a href=\"/index.html\">메인</a>\n" +
"</body>\n" +
"</html>");
}
}