$psqlcon = pg_connect("host=".$host." port=".$port." dbname=multi user=".$usr." password=".$pwd); if (!$psqlcon) die("NO"); foreach($type as $typek=>$typev){ foreach($typev as $typevv){ $regsql = " select count(distinct(Id)) as cnt from userlog19_".$dayshort." where limitinfo @> "."'$jsonlimit'".';'; $reginfores = pg_query($psqlcon,$regsql); $actinfo = pg_fetch_assoc($actinfores); $testdata[$daylang][$typevv]['regnum'] = $reginfo['cnt']; } } pg_close($psqlcon); 网上查了一点资料说