week10_백인서

week10/백인서/jdbcdemoleal/src/main/java/com/example/jdbcdemoleal/Config/config.java

@@ -0,0 +1,35 @@
+package com.example.jdbcdemoleal.Config;
+import com.example.jdbcdemoleal.repository.PostRepository;
+import com.example.jdbcdemoleal.repository.PostRepositoryImpl;
+import com.example.jdbcdemoleal.service.PostService;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.jdbc.core.JdbcTemplate;
+import org.springframework.jdbc.datasource.DriverManagerDataSource;
+import javax.sql.DataSource;
+
+@Configuration
+public class config {
+    @Bean
+    public DataSource dataSource() {
+        DriverManagerDataSource dataSource = new DriverManagerDataSource();
+        dataSource.setDriverClassName("com.mysql.cj.jdbc.Driver");
+        dataSource.setUrl("jdbc:mysql://localhost:3306/mydatabase");
+        dataSource.setUsername("root");
+        dataSource.setPassword("0000");
+        return dataSource;
+    }
+    @Bean
+    public JdbcTemplate jdbcTemplate(DataSource dataSource) {
+        return new JdbcTemplate(dataSource);
+    }
+    @Bean
+    public PostRepository postRepository(JdbcTemplate jdbcTemplate) {
+        return new PostRepositoryImpl(jdbcTemplate);
+    }
+
+    @Bean
+    public PostService postService(PostRepository postRepository) {
+        return new PostService(postRepository);
+    }
+}

week10/백인서/jdbcdemoleal/src/main/java/com/example/jdbcdemoleal/JdbcdemolealApplication.java

@@ -5,9 +5,7 @@
 
 @SpringBootApplication
 public class JdbcdemolealApplication {
-
 	public static void main(String[] args) {
 		SpringApplication.run(JdbcdemolealApplication.class, args);
 	}
-
 }

week10/백인서/jdbcdemoleal/src/main/java/com/example/jdbcdemoleal/repository/PostRepository.java

@@ -5,4 +5,4 @@
 public interface PostRepository {
     List<Post> findAll();
     void save(Post post);
-}
+}

week10/백인서/jdbcdemoleal/src/main/java/com/example/jdbcdemoleal/repository/PostRepositoryImpl.java

@@ -0,0 +1,37 @@
+package com.example.jdbcdemoleal.repository;
+import com.example.jdbcdemoleal.entity.Post;
+import org.springframework.jdbc.core.JdbcTemplate;
+import org.springframework.jdbc.core.RowMapper;
+import org.springframework.stereotype.Repository;
+
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.util.List;
+
+@Repository
+public class PostRepositoryImpl implements PostRepository {
+    private final JdbcTemplate jdbcTemplate;
+
+    public PostRepositoryImpl(JdbcTemplate jdbcTemplate) {
+        this.jdbcTemplate = jdbcTemplate;
+    }
+
+    @Override
+    public List<Post> findAll() {
+        String sql = "SELECT * FROM post";
+        return jdbcTemplate.query(sql, new PostRowMapper());
+    }
+
+    @Override
+    public void save(Post post) {
+        String sql = "INSERT INTO post (title, content) VALUES (?, ?)";
+        jdbcTemplate.update(sql, post.getTitle(), post.getContent());
+    }
+
+    private static class PostRowMapper implements RowMapper<Post> {
+        @Override
+        public Post mapRow(ResultSet rs, int rowNum) throws SQLException {
+            return new Post(rs.getLong("id"), rs.getString("title"), rs.getString("content"));
+        }
+    }
+}

week10/백인서/jdbcdemoleal/src/main/java/com/example/jdbcdemoleal/service/PostService.java

@@ -1,13 +1,15 @@
 package com.example.jdbcdemoleal.service;
 import com.example.jdbcdemoleal.entity.Post;
 import com.example.jdbcdemoleal.repository.PostRepository;
+import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 import java.util.List;
 
 @Service
 public class PostService {
     private final PostRepository postRepository;
 
+    @Autowired
     public PostService(PostRepository postRepository) {
         this.postRepository = postRepository;
     }

week10/백인서/jdbcdemoleal/src/main/resources/application.properties

@@ -1,6 +1,6 @@
 spring.application.name=jdbcdemoleal
-spring.datasource.url=jdbc:h2:tcp://localhost/~/test
+spring.datasource.url= jdbc:mysql://localhost:3306/mydatabase
 spring.datasource.driver-class-name=org.h2.Driver
-spring.datasource.username=sa
-spring.datasource.password=password
+spring.datasource.username=root
+spring.datasource.password=0000
 spring.h2.console.enabled=true