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

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package org.bs.dao.impl;

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

import org.bs.dao.MaterialDao;
import org.bs.dao.OpraDao;
import org.bs.dao.UserDao;
import org.bs.model.Material;
import org.bs.model.Opra;
import org.bs.model.User;
import org.bs.utils.ConnContext;
import org.bs.utils.DB;
import org.bs.utils.PageContext;



public class OpraDaoImpl extends BaseDao implements OpraDao{
	MaterialDao materialDao = new MaterialDaoImpl();
	UserDao userdao = new UserDaoImpl();
 	public Opra getOpraById(int id){
		Connection conn = DB.getConn();
		String sql = "select * from t_opra where id = ?";
		Opra opra = null;
		PreparedStatement pstmt = null;
		ResultSet rs = null;
		try {
		    pstmt = conn.prepareStatement(sql);
			pstmt.setInt(1, id);
			rs = pstmt.executeQuery();
			while(rs.next()){
				opra = new Opra();
				opra.setId(rs.getInt("id"));
				opra.setDesc(rs.getString("descp"));
				Material material = new Material();
				material = materialDao.getMaterialById(rs.getInt("material_id"));
				opra.setMaterial(material);
				opra.setOpTime(rs.getTimestamp("opra_time"));
				User user = new User();
				user = userdao.getUserById(rs.getInt("user_id"));
				opra.setUser(user);
				opra.setApproval(rs.getString("approval"));
				opra.setUser(user);
			}
		} catch (SQLException e) {
		}finally{
			DB.close(conn);
			DB.close(pstmt);
			DB.close(rs);
		}
		return opra;
	}


	/* (non-Javadoc)