@함수사용하기2
----------------------------------------------------------------
<%@ page language="java" contentType="text/html; charset=EUC-KR"
pageEncoding="EUC-KR"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<%!
public int add(int a, int b){
int c=a+b;
return c;
}
public int substract(int a, int b){
int c=a-b;
return c;
}
%>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=EUC-KR">
<title>Insert title here</title>
</head>
<body>
<%
int Value1=3;
int Value2=9;
int addResult=add(Value1,Value2);
int substrackResult=substract(Value1, Value2);
%>
<%=Value1 %> + <%=Value2 %> = <%=addResult %>
<br>
<%=Value1 %> - <%=Value2 %> = <%=substrackResult %>
</body>
</html>
================================================================
@request로 받아 올 수 있는 것
----------------------------------------------------------------
<%@ page language="java" contentType="text/html; charset=EUC-KR"
pageEncoding="EUC-KR"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=EUC-KR">
<title>Insert title here</title>
</head>
<body>
클라이언트IP<%=request.getRemoteAddr() %><br>
요청한정보길이<%=request.getContentLength() %><br>
요청정보 인코딩<%=request.getCharacterEncoding() %><br>
요청정보 컨텐트타입<%=request.getContentType() %><br>
요청정보 프로토콜<%=request.getProtocol() %><br>
요청정보 전송방식<%=request.getMethod() %><br>
요청URI<%=request.getRequestURI() %><br>
컨텍스트 경로<%=request.getServerName() %><br>
서버포트<%=request.getServerPort() %><br>
</body>
</html>
================================================================@데이터를 입력하면 화면에 뿌려주는 예시1 makeTestForm.jsp
----------------------------------------------------------------
<%@ page language="java" contentType="text/html; charset=EUC-KR"
pageEncoding="EUC-KR"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=EUC-KR">
<title>Insert title here</title>
</head>
<body>
폼에 데이터를 입력 후 '전송 '버튼을 누르세요
<form method="post" action="../study_jsp/viewParameter.jsp">
이름:<input type="text" name="name" size="10"><br>
주소:<input type="text" name="address" size="30"><br>
좋아하는 동물:
<input type="checkbox" name="pet" value="dog">강아지
<input type="checkbox" name="pet" value="cat">고양이
<input type="checkbox" name="pet" value="pig">돼지
<br>
<input type="submit" value="전송">
</form>
</body>
</html>
================================================================@데이터를 입력하면 화면에 뿌려주는 예시1-1
----------------------------------------------------------------
<%@ page language="java" contentType="text/html; charset=EUC-KR"
pageEncoding="EUC-KR"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<%
request.setCharacterEncoding("euc-kr");
%>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=EUC-KR">
<title>Insert title here</title>
</head>
<body>
<b>request.getParameter()메소드 사용</b><br>
name 파마미터<%=request.getParameter("name")%>
address 파라미터 <%=request.getParameter("address") %>
<p>
<b>request.getParameterValue()메소드 사용</b><br>
<%
String[] value=request.getParameterValues("pet");
if(value!=null){
for(int i=0;i<value.length;i++){
%>
<%=value[i] %>
<%
}
}
%>
</body>
</html>
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