customerdaoimpl.java

是我自己在做java训练的时候做的一个小项目

package com.magic.mobile.dao.impl;

import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Timestamp;

import com.magic.mobile.dao.CustomerDAO;
import com.magic.mobile.exception.NotFoundCustomerException;
import com.magic.mobile.util.DBUtil;
import com.magic.mobile.vo.Customer;

public class CustomerDAOImpl implements CustomerDAO {

	//添加客户
	public boolean addCustomer(Customer customer) {
		Connection conn = null;
		PreparedStatement pstmt = null;
		String sql = "insert into tcustomer values(customer_sequence.nextval,?,?,?,?,?,?)";

		try {
			conn = DBUtil.getConn();
			pstmt = DBUtil.getpStmt(conn, sql);
			pstmt.setString(1,customer.getIdType());
			pstmt.setString(2,customer.getIdNumber());
			pstmt.setString(3,customer.getCustomerName());
			pstmt.setTimestamp(4, new Timestamp(customer.getCustomerBirthday().getTime()));
			pstmt.setString(5,customer.getCustomerSex());
			pstmt.setString(6,customer.getCustomerAddress());
			pstmt.executeUpdate();
			return true;
		} catch (SQLException e) {
			return false;
		} finally {
			DBUtil.closeStmt(pstmt);
			DBUtil.closeConn(conn);
		}
	}

	//更新客户
	public boolean updateCustomer(Customer customer) {
		Connection conn = null;
		PreparedStatement pstmt = null;
		String sql = "update tcustomer set id_type=?,id_number=?,customer_name=?,customer_birthday=?,customer_sex=?,customer_address=? where customer_id=?";

		try {
			conn = DBUtil.getConn();
			pstmt = DBUtil.getpStmt(conn, sql);
			pstmt.setString(1,customer.getIdType());
			pstmt.setString(2,customer.getIdNumber());
			pstmt.setString(3,customer.getCustomerName());
			pstmt.setTimestamp(4, new Timestamp(customer.getCustomerBirthday().getTime()));
			pstmt.setString(5,customer.getCustomerSex());
			pstmt.setString(6,customer.getCustomerAddress());
			pstmt.setLong(7, customer.getCustomerId());
			pstmt.executeUpdate();
			return true;
		} catch (SQLException e) {
			return false;
		} finally {
			DBUtil.closeStmt(pstmt);
			DBUtil.closeConn(conn);
		}
	}

	public void getCustomer() {

	}

	//查询客户
	public Customer selectCustomer(Customer customer) throws NotFoundCustomerException {
		Connection conn = null;
		ResultSet rs = null;
		String sql = "select * from tcustomer where id_type='"
				+ customer.getIdType() + "' and id_number='"
				+ customer.getIdNumber() + "'";
		try {
			conn = DBUtil.getConn();
			rs = DBUtil.getRs(conn, sql);
			if (rs.next()) {
				// 客户已经存在
				customer.setCustomerId(rs.getLong(1));
				customer.setIdType(rs.getString(2));
				customer.setIdNumber(rs.getString(3));
				customer.setCustomerName(rs.getString(4));
				customer.setCustomerBirthday(rs.getDate(5));
				customer.setCustomerSex(rs.getString(6));
				customer.setCustomerAddress(rs.getString(7));
			} else {
				// 客户不存在
				throw new NotFoundCustomerException();
			}
		} catch (SQLException e) {
			e.printStackTrace();
		} finally {
			DBUtil.closeRs(rs);
			DBUtil.closeConn(conn);
		}
		return customer;
	}

}