@extract(dbQuery("select count(*) as num_0 from ".weather_station." where district like '$address1' "));//查询 市 字段 @extract(dbQuery("select count(*) as num_1 from ".weather_station." where station like '$address2' "));//查询 县 字段 $number = $num_0; $numbery = $num_1; if($number>1 && $numbery>0 && $address2<>''){ unset($addresss[0]); //如果数组数据1在数据库里有 多个 则删除数据1 }