src/org/bs/dao/impl/BookDaoImpl.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.BookDao;
import org.bs.dao.UserDao;
import org.bs.model.Book;
import org.bs.utils.ConnContext;
import org.bs.utils.DB;
import org.bs.utils.PageContext;

public class BookDaoImpl extends BaseDao implements BookDao {
	private UserDao userDao = new UserDaoImpl();
	public void save(Book book) {
		Connection conn = ConnContext.getConn();
		PreparedStatement pstmt = null;
		String sql = "insert into t_book (no,name,author,publisher,descp,kind,state) values(?,?,?,?,?,?,?)";
		try {
			pstmt = conn.prepareStatement(sql);
			pstmt.setString(1, book.getNo());
			pstmt.setString(2, book.getName());
			pstmt.setString(3, book.getAuthor());
			pstmt.setString(4, book.getPublisher());
			pstmt.setString(5, book.getDescp());
			pstmt.setString(6, book.getKind());
			pstmt.setString(7, book.getState());
			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_book 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(Book book) {
		Connection conn = ConnContext.getConn();
		PreparedStatement pstmt = null;
		String sql = "update t_book set no=?,name=?,author=?,publisher=?,descp=?,kind=?,state=?,user=?"
				+ " where id = ?";
		try {
			pstmt = conn.prepareStatement(sql);