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src/com/rhizome/example/dao/DepartmentDAO.java

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+package src.com.rhizome.example.dao;
+
+import java.sql.Connection;
+import java.sql.PreparedStatement;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.util.ArrayList;
+import java.util.List;
+
+import src.com.rhizome.example.dto.DepartmentDTO;
+import src.com.rhizome.example.dto.EmployeeDTO;
+import src.com.rhizome.example.util.DbUtil;
+
+public class DepartmentDAO {
+	private static final String TBL_NAME = "department";
+	private static final String ID_EMPLOYEE = "id_department";
+	private static final String NM_EMPLOYEE = "nm_department";
+
+
+	/** DBコネクション */
+	public Connection con;
+	/** DBステートメント */
+	PreparedStatement stmt;
+	/** 検索結果 */
+	ResultSet rs;
+
+	/**
+	 * インスタンス生成時DBコネクション
+	 *
+	 * @throws ClassNotFoundException
+	 * @throws SQLException
+	 */
+	public DepartmentDAO(Connection con) {
+		this.con = con;
+	}
+
+	/**
+	 * 社員テーブルの情報を全件取得する
+	 *
+	 * @return 検索結果
+	 * @throws SQLException
+	 * @throws ClassNotFoundException
+	 */
+	public List<DepartmentDTO> selectAll() throws SQLException, ClassNotFoundException {
+		List<EmployeeDTO> rtnList = new ArrayList<>();
+		StringBuilder sql = new StringBuilder();
+		sql.append(" SELECT ");
+		sql.append("    " + "*");
+		sql.append(" FROM ");
+		sql.append("    " + TBL_NAME);
+		try {
+
+			this.stmt = con.prepareStatement(sql.toString());
+			rs = stmt.executeQuery();
+			while (rs.next()) {
+				EmployeeDTO dto =
+				        new EmployeeDTO();
+
+				    dto.setIdDepartment(
+				        rs.getInt("ID_DEPARTMENT"));
+
+				    dto.setNmDepartment(
+				        rs.getString("NM_DEPARTMENT"));
+
+			
+
+				    rtnList.add(dto);
+			}
+		} finally {
+			DbUtil.closeStatement(this.stmt);
+		}
+		return rtnList;
+	}
+	public  List<DepartmentDTO> selectById(int departmentId) throws SQLException{
+		List<DepartmentDTO>rtnList = new ArrayList<>();
+		
+		java.lang.String sql =
+				"SELECT * FROM department WHERE id_department = ?";
+		try {
+			stmt = con.prepareStatement(sql);
+			stmt.setInt(1, departmentId);
+
+	        rs = stmt.executeQuery();
+
+	        while (rs.next()) {
+
+	        	DepartmentDTO dto = new DepartmentDTO();
+
+	            dto.setIdDepartment(rs.getInt(ID_DEPARTMENT));
+	            dto.setNmDepartment(rs.getString(NM_DEPARTMENT));
+	          
+
+	            rtnList.add(dto);
+	        }
+
+	    } finally {
+	        DbUtil.closeStatement(stmt);
+	    }
+
+	    return rtnList;
+		}
+	public int depDelete (int departmentId)throws SQLException{
+		java.lang.String sql =
+				"DELETE FROM department WHERE id_department = ?";
+		try {
+			stmt = con.prepareStatement(sql);
+			stmt.setInt(1, departmentId);
+
+			return stmt.executeUpdate();
+		} finally {
+	        DbUtil.closeStatement(stmt);
+
+		}
+	}
+	public int depInsert(String departmentName,String departmentKn)throws SQLException{
+		java.lang.String sql =
+				"INSERT INTO employee " +
+			            "(nm_department) " +
+			            "VALUES (?, ?, ?, ?, ?)";
+		try {
+			stmt = con.prepareStatement(sql);
+			stmt.setString(1, departmentName);
+			stmt.setString(2, departmentKn);
+	       
+	        
+	        return stmt.executeUpdate();
+
+	    } finally {
+	        DbUtil.closeStatement(stmt);
+	    }
+		
+
+	}
+
+	public int empUpdate(int departmentId,String departmentName)throws SQLException{
+		java.lang.String sql =
+				"UPDATE department " +
+				        "SET nm_department = ?, " +
+				        
+				        "WHERE id_employee = ?";
+		
+		try {
+
+	        stmt = con.prepareStatement(sql);
+
+	        stmt.setString(1, departmentName);
+	       
+	        stmt.setInt(5, departmentId);
+	       
+	        return stmt.executeUpdate();
+
+	    } finally {
+	        DbUtil.closeStatement(stmt);
+	    }
+	
+	}
+
+}

src/com/rhizome/example/dto/DepartmentDTO.java

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+package src.com.rhizome.example.dto;
+
+	
+public class DepartmentDTO {
+	private int idDepartment;
+	private String nmDepartment;
+
+	
+	public int getIdDepartment() {
+		return idDepartment;
+	}
+	public void setIdDepartment(int idDepartment) {
+		this.idDepartment = idDepartment;
+	}
+	public String getNmDepartment() {
+		return nmDepartment;
+	}
+	public void setNmDepartment(String Department) {
+		this.nmDepartment= nmDepartment;
+	}
+	
+
+}
+
+
+