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spring mvc : servlet 생성

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This commit is contained in:
haerong22
2021-03-28 23:39:39 +09:00
parent 2659fa0c7a
commit 45e1e78527
5 changed files with 85 additions and 1 deletions
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2
spring-mvc/servlet/src/main/java/com/example/servlet/ServletApplication.java
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@@ -2,7 +2,9 @@ package com.example.servlet;
import org.springframework.boot.SpringApplication; import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication; import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.web.servlet.ServletComponentScan;
@ServletComponentScan // 서블릿 자동 등록
@SpringBootApplication @SpringBootApplication
public class ServletApplication { public class ServletApplication {

30
spring-mvc/servlet/src/main/java/com/example/servlet/basic/HelloServlet.java Normal file
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@@ -0,0 +1,30 @@
package com.example.servlet.basic;
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;
@WebServlet(name = "helloServlet", urlPatterns = "/hello")
public class HelloServlet extends HttpServlet {
@Override
protected void service(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
System.out.println("HelloServlet.service");
System.out.println("req = " + req);
System.out.println("resp = " + resp);
String username = req.getParameter("username");
System.out.println("username = " + username);
// response header 정보 추가
resp.setContentType("text/plain");
resp.setCharacterEncoding("utf-8");
// response body
resp.getWriter().write("hello " + username);
}
}

1
spring-mvc/servlet/src/main/resources/application.properties
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@@ -1 +0,0 @@

41
spring-mvc/servlet/src/main/webapp/basic.html Normal file
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@@ -0,0 +1,41 @@
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Title</title>
</head>
<body>
<ul>
<li>hello 서블릿
<ul>
<li><a href="/hello?username=servlet">hello 서블릿 호출</a></li>
</ul>
</li>
<li>HttpServletRequest
<ul>
<li><a href="/request-header">기본 사용법, Header 조회</a></li>
<li>HTTP 요청 메시지 바디 조회
<ul>
<li><a href="/request-param?username=hello&age=20">GET -
쿼리 파라미터</a></li>
<li><a href="/basic/hello-form.html">POST - HTML Form</a></
li>
<li>HTTP API - MessageBody -> Postman 테스트</li>
</ul>
</li>
</ul>
</li>
<li>HttpServletResponse
<ul>
<li><a href="/response-header">기본 사용법, Header 조회</a></li>
<li>HTTP 요청 메시지 바디 조회
<ul>
<li><a href="/response-html">HTML 응답</a></li>
<li><a href="/response-json">HTTP API JSON 응답</a></li>
</ul>
</li>
</ul>
</li>
</ul>
</body>
</html>

12
spring-mvc/servlet/src/main/webapp/index.html Normal file
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@@ -0,0 +1,12 @@
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Title</title>
</head>
<body>
<ul>
<li><a href="basic.html">서블릿 basic</a></li>
</ul>
</body>
</html>