|
conn = DriverManager.getConnection(URL, USERNAME, PASSWORD);
} catch (SQLException e) {
e.printStackTrace();
}
return conn;
}
/**
* 关闭ResultSet
*
* @param rs
*/
public static void closeResultSet(ResultSet rs) {
if (rs != null) {
try {
rs.close();
} catch (SQLException e) {
e.printStackTrace();
}
}
}
/**
* 关闭Statement
*
* @param st
*/
public static void closeStatement(Statement st) {
if (st != null) {
try {
st.close();
} catch (SQLException e) {
e.printStackTrace();
}
}
}
/**
* 关闭Connection
*
* @param conn
*/
public static void closeConnection(Connection conn) {
if (conn != null) {
try {
conn.close();
} catch (SQLException e) {
e.printStackTrace();
}
}
}
/**
* 关闭全部
*
* @param rs
* @param sta
* @param conn
*/
public static void closeAll(ResultSet rs, Statement sta, Connection conn) {
closeResultSet(rs);
closeStatement(sta);
closeConnection(conn);
}
} 效果如图：
?
?
?
|