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1-2. 서블릿 클래스 Post방식 전송
@WebServlet("/ch01/ex02/add")
public class DoPost extends HttpServlet {
private static final long serialVersionUID = 1L;
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
int num1 = 1;
int num2 = 2;
response.setContentType("text/html;charset=utf-8");
PrintWriter out = response.getWriter();
out.println("<h2>POST</h2>");
out.printf("<p>%d+%d=%d</p>", num1,num2,num1+num2);
}
/ch01/ex02/add.html
<!DOCTYPE html>
<html lang="ko">
<head>
<title>HTML</title>
<meta charset="utf-8">
</head>
<body>
<form action="add" method="post">
<input type="submit"/>
</form>
</body>
</html>
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