$connstr = "driver=microsoft access driver (*.mdb);dbq=".realpath("db.mdb");     $connid = odbc_connect($connstr,"","",sql_cur_use_odbc); $odbc_exec = odbc_exec($connid, "insert into tablename (name) values('name')");     $query = odbc_do($connid, "select * from tablename ");    $odbc_result_all = odbc_result_all($query);     echo $odbc_result_all;  //保存数据 $connstr = "driver=microsoft access driver (*.mdb);dbq=".realpath("db.mdb");  $connid = odbc_connect($connstr,"","",sql_cur_use_odbc); $odbc_exec = odbc_exec($connid, "insert into t……") //查询数据 $a = 0; $begintime = time(); while($a<100) {     $conn = odbc_connect("forphp","sa","sa");     //odbc_select_db("[testyouhui]",$conn);     $result = odbc_exec("select [id], [name] from [test1].[dbo].[category]",$conn);     $a++;     odbc_close($conn); } $endtime = time(); echo $begintime."<br>"; echo $endtime."<br>"; echo date('u秒',$endtime-$begintime); echo '<br />';