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DB 트랜잭션 - 격리수준(Transaction Isolation Level) https://luran.me/305 DB 트랜잭션 - 격리수준(Transaction Isolation Level) 트랜잭션 DB에서의 트랜잭션이란, 보통 데이터베이스의 어떤 변경을 유발하는 작업 단위를 의미한다. 논리적으로 한 개의 실행 단위를 뜻하며, 물리적으로는 한 개 혹은 여러 개의 실행단위가 luran.me
EL(Expression Language) spag.jsp ${result} ${names[0]} ${names[1]} ${notice.id} ${notice.title} Spag.java package com.newlectrue.web; import java.io.IOException; import java.util.HashMap; import java.util.Map; import javax.servlet.RequestDispatcher; import javax.servlet.ServletException; import javax.servlet.annotation.WebServlet; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; impo..
jsp mvc model2 spag.jsp Spag.java package com.newlectrue.web; import java.io.IOException; import javax.servlet.RequestDispatcher; import javax.servlet.ServletException; import javax.servlet.annotation.WebServlet; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; @WebServlet("/spag") public class Spag extends HttpServlet { @Overri..
JSP 내장 객체 https://youtu.be/IWQlKJj3HVk?list=PLq8wAnVUcTFVOtENMsujSgtv2TOsMy8zd
doGet(), doPost() calculator.html calculator.java package com.newlectrue.web; import java.io.IOException; import javax.servlet.ServletException; import javax.servlet.annotation.WebServlet; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; @WebServlet("/calculator") public class Calculator extends HttpServlet { //@Override //protecte..
쿠키 메소드 - setPath(), setMaxAge() calc2.java package com.newlectrue.web; import java.io.IOException; import java.io.PrintWriter; import javax.servlet.ServletContext; import javax.servlet.ServletException; import javax.servlet.annotation.WebServlet; import javax.servlet.http.Cookie; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import javax.serv..
Cookie와 상태 관리 Calc2.java package com.newlectrue.web; import java.io.IOException; import java.io.PrintWriter; import javax.servlet.ServletContext; import javax.servlet.ServletException; import javax.servlet.annotation.WebServlet; import javax.servlet.http.Cookie; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import javax.serv..
Session 객체와 상태 관리 Calc2.java package com.newlectrue.web; import java.io.IOException; import java.io.PrintWriter; import javax.servlet.ServletContext; 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 javax.servlet.http.HttpSession; @WebServlet(..

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