src/org/bs/dao/impl/DeptDaoImpl.java

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package org.bs.dao.impl;

import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.util.ArrayList;
import java.util.List;

import org.bs.dao.DeptDao;
import org.bs.model.Dept;
import org.bs.utils.ConnContext;
import org.bs.utils.DB;
import org.bs.utils.PageContext;

public class DeptDaoImpl extends BaseDao implements DeptDao {

	public void save(Dept dept) {
		Connection conn = ConnContext.getConn();
		PreparedStatement pstmt = null;
		String sql = "insert into t_dept (deptname,descp) values(?,?)";
		try {
			pstmt = conn.prepareStatement(sql);
			pstmt.setString(1, dept.getDeptName());
			pstmt.setString(2, dept.getDesc());
			pstmt.executeUpdate();
		} catch (Exception e) {
			throw new RuntimeException(e);
		} finally {
			DB.close(pstmt);
		}
	}

	public void delete(int id) {
		Connection conn = ConnContext.getConn();
		PreparedStatement pstmt = null;
		String sql = "delete from t_dept where id =?";
		try {
			pstmt = conn.prepareStatement(sql);
			pstmt.setInt(1, id);
			pstmt.executeUpdate();
		} catch (Exception e) {
			throw new RuntimeException(e);
		} finally {
			DB.close(pstmt);
		}
	}

	public void update(Dept dept) {
		Connection conn = ConnContext.getConn();
		PreparedStatement pstmt = null;
		String sql = "update t_dept set deptname =?,descp=?"
				+ "where id = ?";
		try {
			pstmt = conn.prepareStatement(sql);
			pstmt.setString(1, dept.getDeptName());
			pstmt.setString(2, dept.getDesc());
			pstmt.setInt(3, dept.getId());
			pstmt.executeUpdate();
		} catch (Exception e) {
			throw new RuntimeException(e);