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jdbc.properties
jdbc.driver=oracle.jdbc.driver.OracleDriver
jdbc.url=jdbc:oracle:thin:@localhost:1521:xe
jdbc.userid=scott
jdbc.passwd=tiger
DeptMapper
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE mapper
PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
"http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="com.dto.DeptMapper">
<select id="testList" resultType="dept">
select *
from dept
</select>
</mapper>
MainController
package com.controller;
import java.util.List;
import javax.servlet.http.HttpServletRequest;
import org.mybatis.spring.SqlSessionTemplate;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.servlet.ModelAndView;
import com.dto.DeptDTO;
import com.service.MemberService;
@Controller
public class MainController {
public MainController() {
super();
System.out.println("메인 기본 생성자 호출");
}
@Autowired
SqlSessionTemplate session;
@Autowired
MemberService service;
@RequestMapping("/aaa")
@ResponseBody
public String testList() {
System.out.println("main testList");
service.testList();
return "test";
}
@RequestMapping("/bbb")
public String testList2(Model m) {
System.out.println("main testList2");
List<DeptDTO> list = service.testList2();
m.addAttribute("list", list);
return "list";
}
@RequestMapping("/ccc")
public ModelAndView testList3() {
System.out.println("main testList3");
List<DeptDTO> list = service.testList2();
ModelAndView mav = new ModelAndView();
mav.addObject("list", list); //key = list
mav.setViewName("list"); //list.jsp
return mav;
}
@RequestMapping("/ddd")
public String testList4(HttpServletRequest request) {
System.out.println("main testList4");
List<DeptDTO> list = service.testList2();
request.setAttribute("list", list); //key = list
return "list"; //list.jsp
}
@RequestMapping("/test")
@ResponseBody
public String test() {
System.out.println("===========");
System.out.println("sessionTemplate: "+session);
System.out.println("service: "+service);
service.test();
System.out.println("===========");
return "aa"; //jsp없이도 aa라는 문자열이 화면에 출력
}
}
DAO
package com.dao;
import java.util.ArrayList;
import java.util.List;
import org.mybatis.spring.SqlSessionTemplate;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Repository;
import com.dto.DeptDTO;
@Repository
public class DeptDAO {
public DeptDAO() {
super();
System.out.println("DAO 기본 생성자 호출");
}
@Autowired
SqlSessionTemplate session;
public void testList() {
List<DeptDTO> list = session.selectList("testList");
System.out.println(list);
}
public List<DeptDTO> testList2() {
List<DeptDTO> list = session.selectList("testList");
System.out.println(list);
return list;
}
public void test() {
System.out.println("DAO: "+ session);
}
}
DTO(lombok 설명 추가)(Alias 주의)
package com.dto;
import org.apache.ibatis.type.Alias;
// lombok 설정(lombok 디펜던시 추가할 경우)
// @Alias위에 @Data @AllArgsConstructor를 입력
// --> 오버라이드, 기본생성자, 필드, Getter/Setter 자동 설정(입력해줄 필요 없음)
@Alias("dept")
public class DeptDTO {
private int deptno;
private String dname;
private String loc;
@Override
public String toString() {
return "DeptDTO [deptno=" + deptno + ", dname=" + dname + ", loc=" + loc + "]";
}
public DeptDTO() {
super();
// TODO Auto-generated constructor stub
}
public DeptDTO(int deptno, String dname, String loc) {
super();
this.deptno = deptno;
this.dname = dname;
this.loc = loc;
}
public int getDeptno() {
return deptno;
}
public void setDeptno(int deptno) {
this.deptno = deptno;
}
public String getDname() {
return dname;
}
public void setDname(String dname) {
this.dname = dname;
}
public String getLoc() {
return loc;
}
public void setLoc(String loc) {
this.loc = loc;
}
}
Service
package com.service;
import java.util.List;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import com.dao.DeptDAO;
import com.dto.DeptDTO;
@Service
public class MemberService {
public MemberService() {
super();
System.out.println("서비스 기본 생성자 호출");
}
@Autowired
DeptDAO dao;
public void testList() {
System.out.println("service testList");
dao.testList();
}
public List<DeptDTO> testList2() {
System.out.println("service testList2");
List<DeptDTO> list = dao.testList2();
return list;
}
public void test() {
System.out.println("서비스에서 DAO의 test함수 호출");
dao.test();
}
}
servlet-context.xml
<?xml version="1.0" encoding="UTF-8"?>
<beans:beans xmlns="http://www.springframework.org/schema/mvc"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:beans="http://www.springframework.org/schema/beans"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:tx="http://www.springframework.org/schema/tx"
xmlns:jdbc="http://www.springframework.org/schema/jdbc"
xsi:schemaLocation="http://www.springframework.org/schema/jdbc http://www.springframework.org/schema/jdbc/spring-jdbc-3.1.xsd
http://www.springframework.org/schema/mvc https://www.springframework.org/schema/mvc/spring-mvc.xsd
http://www.springframework.org/schema/beans https://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/context https://www.springframework.org/schema/context/spring-context.xsd
http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-3.1.xsd">
<annotation-driven />
<default-servlet-handler/>
<resources mapping="/resources/**" location="/resources/" />
<view-controller path="/" view-name="main"/>
<beans:bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<beans:property name="prefix" value="/WEB-INF/views/" />
<beans:property name="suffix" value=".jsp" />
</beans:bean>
<context:component-scan base-package="com.*" />
<!-- context:annotation이 기본으로 포함됨(생성할 필요 X) -->
<!-- properties + SQLSessionFactory의 Bean생성은 root-context.xml -->
</beans:beans>
root-context.xml
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:mybatis-spring="http://mybatis.org/schema/mybatis-spring"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:jdbc="http://www.springframework.org/schema/jdbc"
xmlns:tx="http://www.springframework.org/schema/tx"
xsi:schemaLocation="http://www.springframework.org/schema/jdbc http://www.springframework.org/schema/jdbc/spring-jdbc-3.1.xsd
http://mybatis.org/schema/mybatis-spring http://mybatis.org/schema/mybatis-spring-1.2.xsd
http://www.springframework.org/schema/beans https://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.3.xsd
http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-3.1.xsd">
<!-- 1. placeholder -->
<context:property-placeholder location="classpath:com/config/jdbc.properties"/>
<!-- 2. jdbc연결 -->
<bean id="myDataSource" class="org.apache.commons.dbcp2.BasicDataSource" destroy-method="close">
<property name="driverClassName" value="${jdbc.driver}"/>
<property name="url" value="${jdbc.url}"/>
<property name="username" value="${jdbc.userid}"/>
<property name="password" value="${jdbc.passwd}"/>
</bean>
<!-- 3. transaction -->
<bean id="txManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
<property name="dataSource" ref="myDataSource"> <!-- ref에 2번의 id -->
</property>
</bean>
<tx:annotation-driven transaction-manager="txManager"/>
<!-- 4. SQLSessionFactoryBean -->
<bean id="sessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
<property name="dataSource" ref="myDataSource"> <!-- ref에 2번의 id -->
</property>
<property name="mapperLocations">
<list>
<value>classpath:com/config/DeptMapper.xml</value>
</list>
</property>
<property name="typeAliases">
<list>
<value>com.dto.DeptDTO</value>
</list>
</property>
</bean>
<!-- 5. SQLSessionTemplate : SQLSession 기능 -->
<bean id="sqlSessionTemplate" class="org.mybatis.spring.SqlSessionTemplate">
<constructor-arg name="sqlSessionFactory" ref="sessionFactory"> <!-- ref에 4번의 id -->
</constructor-arg>
</bean>
</beans>
main.jsp
<%@ 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>main.jsp</h1>
</body>
</html>
list.jsp
<%@ 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>list.jsp</h1>
${list}
</body>
</html>
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