daobase.java

初学者的struts 的基本应用 包含struts action的 和 struts formbean的自动封装

package com.accp.daoimpl;

import java.sql.*;

public class DAOBase {
	protected Connection conn = null;
	protected PreparedStatement pstmt = null;
	protected ResultSet rs = null;

	public void getConn() {

		try {
			Class.forName("oracle.jdbc.driver.OracleDriver");
			conn = DriverManager.getConnection(
					"jdbc:oracle:thin:@127.0.0.1:1521:accp", "scott", "tiger");
			conn.setAutoCommit(false);
		} catch (Exception e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		
	}

	public void closeConn() {
		if (conn != null) {
			try {
				conn.commit();
				conn.close();
			} catch (SQLException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
		}
	}
	
	public void setParas(int n , Object[] paras ,PreparedStatement pstmt){
		try {
			for (int i = 0; i < n; i++) {
				pstmt.setObject(i+1, paras[i]);
			}
		} catch (SQLException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
	}
}