2026_0910_AI_5G_Java_MUN/em-jdbc
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2段階目終了

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江口　太陽
2026-09-29 16:53:16 +09:00
parent 4f60de10c4
commit e5fef82677
2 changed files with 14 additions and 5 deletions
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14
src/com/rhizome/example/dao/EmployeeDAO.java
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@@ -13,6 +13,7 @@ import java.sql.SQLException;
import java.util.ArrayList;
import java.util.List;
import com.rhizome.example.dto.EmployeeDTO;
import com.rhizome.example.util.DbUtil;
public class EmployeeDAO {
@@ -48,8 +49,8 @@ public class EmployeeDAO {
* @throws SQLException
* @throws ClassNotFoundException
*/
public List<String> selectAll() throws SQLException, ClassNotFoundException {
List<String> rtnList = new ArrayList<>();
public List<EmployeeDTO> selectAll() throws SQLException, ClassNotFoundException {
List<EmployeeDTO> rtnList = new ArrayList<>();
StringBuilder sql = new StringBuilder();
sql.append(" SELECT ");
sql.append(" " + "*");
@@ -60,7 +61,14 @@ public class EmployeeDAO {
this.stmt = con.prepareStatement(sql.toString());
rs = stmt.executeQuery();
while (rs.next()) {
rtnList.add(rs.getString(NM_EMPLOYEE));
EmployeeDTO dto = new EmployeeDTO();
dto.setID_EMPLOYEE(rs.getInt("ID_EMPLOYEE"));
dto.setNM_EMPLOYEE(rs.getString("NM_EMPLOYEE"));
dto.setKN_EMPLOYEE(rs.getString("KN_EMPLOYEE"));
dto.setMAIL_ADDRESS(rs.getString("MAIL_ADDRESS"));
dto.setPASSWORD(rs.getString("PASSWORD"));
dto.setID_DEPARTMENT(rs.getInt("ID_DEPARTMENT"));
rtnList.add(dto);
}
} finally {
DbUtil.closeStatement(this.stmt);

5
src/com/rhizome/example/main/Main.java
View File

@@ -7,6 +7,7 @@ import java.util.List;
import java.util.Scanner;
import com.rhizome.example.dao.EmployeeDAO;
import com.rhizome.example.dto.EmployeeDTO;
import com.rhizome.example.util.DbUtil;
/**
@@ -76,7 +77,7 @@ public class Main {
* @throws SQLException
*/
public static void empSelect() throws ClassNotFoundException, SQLException {
List<String> empList = new ArrayList<>();
List<EmployeeDTO> empList = new ArrayList<>();
Connection con = DbUtil.getConnection();
EmployeeDAO empDao = new EmployeeDAO(con);
System.out.println("1:全検索 2:条件検索 それ以外:戻る");
@@ -89,7 +90,7 @@ public class Main {
default:
return;
}
for (String emp : empList) {
for (EmployeeDTO emp : empList) {
System.out.println(emp);
}
} finally {