deptmentdao.java

来自「struts做得固定资产管理系统 带毕业论文完整版」· Java 代码 · 共 151 行

package com.qrsx.appcam.dao;

import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.List;
import com.qrsx.appcam.model.Deptment;

public class DeptmentDAO extends BaseDAO {

	/**
	 * 创建部门
	 * 
	 * @param AssetType
	 */
	public void create(Deptment deptment) throws SQLException {

		String sql = "Insert Into deptment(name, description) Values(?, ?)";

		// 设置参数值
		ps = conn.prepareStatement(sql);
		ps.setString(1, deptment.getName());
		ps.setString(2, deptment.getDescription());

		// 执行
		ps.executeUpdate();
	}

	/**
	 * 更新部门信息
	 * 
	 * @param deptment
	 */
	public void update(Deptment deptment) throws SQLException {

		String sql = "Update deptment set name=?, description=? where id=? ";

		// 设置参数值
		ps = conn.prepareStatement(sql);
		ps.setString(1, deptment.getName());
		ps.setString(2, deptment.getDescription());
		ps.setInt(3, deptment.getId());

		// 执行
		ps.executeUpdate();
	}

	/**
	 * 删除部门
	 * 
	 * @param deptmentId
	 *            要删除的部门的主键
	 * @return 删除的用户数目
	 */
	public int delete(Integer deptmentId) throws SQLException {
		String sql = "Delete from deptment where id=? ";

		// 设置参数值
		ps = conn.prepareStatement(sql);
		ps.setInt(1, deptmentId);

		// 执行
		int total = ps.executeUpdate();
		return total;
	}

	/**
	 * 根据主键检索部门
	 * 
	 * @param deptmentId
	 *            要检索的部门主键
	 * @return 检索到的部门
	 */
	public Deptment findById(Integer deptmentId) throws SQLException {
		String sql = "Select * from deptment where id=? ";

		// 设置参数值并执行查询
		ps = conn.prepareStatement(sql);
		ps.setInt(1, deptmentId);
		ResultSet rs = ps.executeQuery();

		Deptment deptment = null;
		if (rs.next()) {
			deptment = new Deptment();
			deptment.setId(rs.getInt("id"));
			deptment.setName(rs.getString("name"));
			deptment.setDescription(rs.getString("description"));
		}

		return deptment;
	}

	/**
	 * 检索所有部门
	 * 
	 * @param deptment
	 * @return
	 */
	public List<Deptment> findAll() throws SQLException {
		String sql = "Select * from deptment ";

		// 执行查询
		ps = conn.prepareStatement(sql);
		ResultSet rs = ps.executeQuery();

		// 将查询结果组装至deptment实体对象
		Deptment deptment = null;
		List<Deptment> list = new ArrayList<Deptment>();
		while (rs.next()) {
			deptment = new Deptment();
			deptment.setId(rs.getInt("id"));
			deptment.setName(rs.getString("name"));
			deptment.setDescription(rs.getString("description"));
			list.add(deptment);
		}

		return list;
	}

	/**
	 * 根据条件检索部门
	 * 
	 * @param deptment
	 * @return
	 */
	public List<Deptment> list(Deptment deptment) throws SQLException {
		String sql = "Select * from deptment where 1=1 ";

		// 根据资产类型名称检索
		if (deptment.getName() != null && !deptment.getName().equals("")) {
			sql = sql + " and name like '%" + deptment.getName() + "%'";
		}

		// 执行查询
		ps = conn.prepareStatement(sql);
		ResultSet rs = ps.executeQuery();

		// 将查询结果组装至deptment实体对象
		Deptment deptment1 = null;
		List<Deptment> list = new ArrayList<Deptment>();
		while (rs.next()) {
			deptment1 = new Deptment();
			deptment1.setId(rs.getInt("id"));
			deptment1.setName(rs.getString("name"));
			deptment1.setDescription(rs.getString("description"));
			list.add(deptment1);
		}
		return list;
	}
}