programming/Spring
Spring - 기초편3
히연쓰
2021. 6. 1. 17:12
1) 파일 이름 : 03-SpringParameter
2) 앞에서 사용한 기본적인 파일
1. com.heeyeon.config -> package
① . RootAppContext.java
② . ServletAppContext.java
③ . SpringConfigClass.java
2. com.heeyeon.controller -> package
① . HomeController.java
3) 파일 자체에 pom.xml 넣기
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1) TestController
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package com.heeyeon.controller;
import javax.servlet.http.HttpServletRequest;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestParam;
@Controller
public class TestController {
@GetMapping("/Parameter01.do")
public String parameter01(HttpServletRequest request) {
String data01 = request.getParameter("data01");
String data02 = request.getParameter("data02");
String [] data03 = request.getParameterValues("data03");
System.out.println("data01=="+data01);
System.out.println("data02=="+data02);
System.out.println("data02=="+(data01+data02));
//System.out.println("data03=="+data03);
for(String tempStr : data03) {
System.out.println("data03==="+tempStr);
}
return "parameter01";
}
@PostMapping("/Parameter02.do")
public String parameter02(HttpServletRequest request) {
String data01 = request.getParameter("data01");
String data02 = request.getParameter("data02");
String [] data03 = request.getParameterValues("data03");
System.out.println("data01=="+data01);
System.out.println("data02=="+data02);
//System.out.println("data03=="+data03);
for(String tempStr : data03) {
System.out.println("data03==="+tempStr);
}
return "parameter02";
}
@GetMapping("/Parameter03.do")
public String parameter03(
@RequestParam(value="data01") int data01,
@RequestParam(value="data02") int data02,
@RequestParam(value="data03") int [] data03
) {
System.out.println("data01==="+data01);
System.out.println("data02==="+data02);
System.out.println("data01+data02==="+(data01+data02));
for(int tempInt : data03) {
System.out.println("data03==="+tempInt);
}
return "parameter03";
}
@GetMapping("/Parameter04.do")
public String parameter04 (
@RequestParam int data01,
@RequestParam int data02,
@RequestParam int [] data03
) {
// @RequestParam(value=="data01" int data01,
// @RequestParam(value=="data01") 넘어오는 데이터
// int data01 넘어오는 데이터를 내가 만든 변수에 담을 때
System.out.println("data01===" +data01);
System.out.println("data02===" +data02);
System.out.println("data01+data02===" + (data01+data02));
for(int tempInt : data03) {
System.out.println("data03===" +tempInt);
}
return "parameter04";
}
@GetMapping("/Parameter05.do")
public String parameter05 (
@RequestParam int data01,
// (required = false) String 이걸 써주면 체크 안하거나 글을 안 써도 넘어간다. int 에서 String으로 바꿔줘야함.
@RequestParam (required = false) String data02,
// data03이 비어도(체크 안해도) 값이 넘어가도록 함 (defaultValue = "0" )
@RequestParam (defaultValue = "0" ) int data03
) {
// @RequestParam(value=="data01" int data01,
// @RequestParam(value=="data01") 넘어오는 데이터
// int data01 넘어오는 데이터를 내가 만든 변수에 담을 때
System.out.println("data01===" +data01);
System.out.println("data02===" +data02);
System.out.println("data01+data02===" + (data01+data02));
System.out.println("data03===" +data03);
return "parameter05";
}
}
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cs |
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1) parameter01.jsp
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<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
</head>
<body>
<h1>parameter01</h1>
</body>
</html>
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cs |
2) parameter02.jsp
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<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
</head>
<body>
<h1>parameter02</h1>
</body>
</html>
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3) parameter03.jsp
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<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
</head>
<body>
<h1>parameter03</h1>
</body>
</html>
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4) parameter04.jsp
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<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
</head>
<body>
<h1>parameter04</h1>
</body>
</html>
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5) parameter05.jsp
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<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
</head>
<body>
<h1>parameter05</h1>
</body>
</html>
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→ index.jsp
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<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
</head>
<body>
<ul>
<li>
<a href="Parameter01.do?data01=10&data02=20&data03=30&data03=40">
parameter01-queryString으로 데이터 보내기
</a>
</li>
</ul>
<form method="POST" action="Parameter02.do">
<div>
<label>
<span>data01</span>
<input type="text" name="data01">
</label>
</div>
<div>
<label>
<span>data02</span>
<input type="text" name="data02">
</label>
</div>
<div>
<label>
<span>data03-30</span>
<input type="checkbox" name="data03" value="30">
</label>
<label>
<span>data03-40</span>
<input type="checkbox" name="data03" value="40">
</label>
<label>
<span>data03-50</span>
<input type="checkbox" name="data03" value="50">
</label>
</div>
<button type="submit">Parameter02 Submit </button>
</form>
<hr>
<form method="GET" action="Parameter03.do">
<div>
<label>
<span>data01</span>
<input type="text" name="data01">
</label>
</div>
<div>
<label>
<span>data02</span>
<input type="text" name="data02">
</label>
</div>
<div>
<label>
<span>data03-30</span>
<input type="checkbox" name="data03" value="30">
</label>
<label>
<span>data03-40</span>
<input type="checkbox" name="data03" value="40">
</label>
<label>
<span>data03-50</span>
<input type="checkbox" name="data03" value="50">
</label>
</div>
<button type="submit">Parameter03 Submit</button>
</form>
<hr>
<form method="GET" action="Parameter04.do">
<div>
<label>
<span>data01</span>
<input type="text" name="data01">
</label>
</div>
<div>
<label>
<span>data02</span>
<input type="text" name="data02">
</label>
</div>
<div>
<label>
<span>data03-30</span>
<input type="checkbox" name="data03" value="30">
</label>
<label>
<span>data03-40</span>
<input type="checkbox" name="data03" value="40">
</label>
<label>
<span>data03-50</span>
<input type="checkbox" name="data03" value="50">
</label>
</div>
<button type="submit">Parameter04 Submit</button>
</form>
<hr>
<form method="GET" action="Parameter05.do">
<div>
<label>
<span>data01</span>
<input type="text" name="data01">
</label>
</div>
<div>
<label>
<span>data02</span>
<input type="text" name="data02">
</label>
</div>
<div>
<label>
<span>data03-30</span>
<input type="checkbox" name="data03" value="30">
</label>
<label>
<span>data03-40</span>
<input type="checkbox" name="data03" value="40">
</label>
<label>
<span>data03-50</span>
<input type="checkbox" name="data03" value="50">
</label>
</div>
<button type="submit">Parameter05 Submit</button>
</form>
<hr>
</body>
</html>
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결과 화면
012