From 82a5898aa41bf6ca3f170f5fa37d19c915f60d4b Mon Sep 17 00:00:00 2001
From: chaewon <lvw3774@ajou.ac.kr>
Date: Wed, 2 Apr 2025 19:23:44 +0900
Subject: [PATCH] 0402
---
.../com/example/demo/DemoApplication.java | 37 +++++++++++++++++--
.../demo/controller/UserController.java | 27 ++++++++++++++
.../java/com/example/demo/dao/UserDAO.java | 9 +++++
.../java/com/example/demo/dto/UserDTO.java | 14 +++++++
src/main/resources/mappers/UserMapper.xml | 15 ++++++++
5 files changed, 98 insertions(+), 4 deletions(-)
create mode 100644 src/main/java/com/example/demo/controller/UserController.java
create mode 100644 src/main/java/com/example/demo/dao/UserDAO.java
create mode 100644 src/main/java/com/example/demo/dto/UserDTO.java
create mode 100644 src/main/resources/mappers/UserMapper.xml
diff --git a/src/main/java/com/example/demo/DemoApplication.java b/src/main/java/com/example/demo/DemoApplication.java
index 82e42ec..2dfef32 100644
--- a/src/main/java/com/example/demo/DemoApplication.java
+++ b/src/main/java/com/example/demo/DemoApplication.java
@@ -1,16 +1,45 @@
package com.example.demo;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.CommandLineRunner;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.boot.autoconfigure.domain.EntityScan;
+import org.springframework.context.ApplicationContext;
+import java.util.Arrays;
+import com.example.demo.entity.Item;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;
+import org.apache.ibatis.session.SqlSessionFactory;
+import org.mybatis.spring.SqlSessionFactoryBean;
+import org.springframework.context.annotation.Bean;
+import javax.sql.DataSource;
+import org.springframework.core.io.support.PathMatchingResourcePatternResolver;
+import org.springframework.core.io.Resource;
@RestController
@SpringBootApplication
-public class DemoApplication {
+// @EntityScan(basePackageClasses = {Item.class})
+public class DemoApplication{// implements CommandLineRunner{
+
+ // @Autowired
+ // private ApplicationContext appContext;
+
+ public static void main(String[] args) {
+ SpringApplication.run(DemoApplication.class, args);
+ }
- public static void main(String[] args) {
- SpringApplication.run(DemoApplication.class, args);
- }
+ @Bean
+ public SqlSessionFactory sqlSessionFactory(DataSource dataSource) throws Exception {
+ SqlSessionFactoryBean sessionFactory = new SqlSessionFactoryBean();
+ sessionFactory.setDataSource(dataSource);
+
+ Resource[] res = new PathMatchingResourcePatternResolver().getResources("mappers/UserMapper.xml");
+ sessionFactory.setMapperLocations(res);
+
+ return sessionFactory.getObject();
+ }
+
}
+
diff --git a/src/main/java/com/example/demo/controller/UserController.java b/src/main/java/com/example/demo/controller/UserController.java
new file mode 100644
index 0000000..8d3c0b9
--- /dev/null
+++ b/src/main/java/com/example/demo/controller/UserController.java
@@ -0,0 +1,27 @@
+package com.example.demo.controller;
+
+import java.util.List;
+
+import org.mybatis.spring.annotation.MapperScan;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.RestController;
+
+import com.example.demo.dao.UserDAO;
+import com.example.demo.dto.UserDTO;
+
+@RestController
+@MapperScan(basePackages="com.example.demo.dao")//탐색할 패키시 설정
+public class UserController {
+ @Autowired
+ private UserDAO userDAO;//UserDAO bean을 자동으로 주입
+
+ @RequestMapping("/users")
+ public List<UserDTO> users(@RequestParam(value="country", defaultValue = "")String country) throws Exception { //query String으로 country를 받도록 설정
+ final UserDTO param = new UserDTO(0, null, country);
+ final List<UserDTO> userList = userDAO.selectUsers(param);
+ return userList;
+ }
+
+}
diff --git a/src/main/java/com/example/demo/dao/UserDAO.java b/src/main/java/com/example/demo/dao/UserDAO.java
new file mode 100644
index 0000000..dd01d34
--- /dev/null
+++ b/src/main/java/com/example/demo/dao/UserDAO.java
@@ -0,0 +1,9 @@
+package com.example.demo.dao;
+
+import java.util.List;
+import com.example.demo.dto.UserDTO;
+
+public interface UserDAO {
+ List<UserDTO> selectUsers(UserDTO param) throws Exception;
+}
+
diff --git a/src/main/java/com/example/demo/dto/UserDTO.java b/src/main/java/com/example/demo/dto/UserDTO.java
new file mode 100644
index 0000000..4fc23cf
--- /dev/null
+++ b/src/main/java/com/example/demo/dto/UserDTO.java
@@ -0,0 +1,14 @@
+package com.example.demo.dto;
+
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.Setter;
+
+@AllArgsConstructor // 자동으로 모든 매개변수를 받는 생성자를 생성
+@Getter // Getter 생성
+@Setter // Setter 생성
+public class UserDTO {
+ private int seq;
+ private String name;
+ private String country;
+}
diff --git a/src/main/resources/mappers/UserMapper.xml b/src/main/resources/mappers/UserMapper.xml
new file mode 100644
index 0000000..28faba5
--- /dev/null
+++ b/src/main/resources/mappers/UserMapper.xml
@@ -0,0 +1,15 @@
+<?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.example.demo.dao.UserDAO"><!--namespace를 통해 UserDAO와 연결합니다. -->
+
+ <select id="selectUsers" parameterType="com.example.demo.dto.UserDTO"
+resultType="com.example.demo.dto.UserDTO">
+ SELECT `seq`, `name`, `country` FROM lab03
+ <if test='country != null and country != ""'>
+ WHERE country = #{country}
+ </if>
+ </select>
+
+</mapper>
--
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