dbutil.java

来自「实习的时候做的数字校园系统」· Java 代码 · 共 40 行

package com.xxgl.data;

import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;

public class DBUtil {
	public static void close(ResultSet rs){
		if (rs != null) {
			try {
				rs.close();
			} catch (SQLException sqlEx) {
				rs = null;
			}
		}
	}

	public static void close(Statement stmt){
		if (stmt != null) {
			try {
				stmt.close();
			} catch (SQLException sqlEx) { // ignore }
				stmt = null;
			}
		}
	}

	public static void close(Connection con){
		if (con != null) {
			try {
				con.close();
			} catch (SQLException sqlEx) {
				con = null;
			}
		}
	}

}