douqinlu4217 2013-07-17 11:44
浏览 25

排序结果mysql / php

Lets say i have a list full of phones. It's easy to print all the phones out in a unordered list like:

$get_phones = $mysqli->query("
SELECT
    a.id,
    b.phone_id,
    a.phonename AS pname,
    b.modelname AS mname,
FROM phone_brands 
a LEFT OUTER JOIN phone_models b
ON a.id = b.phone_id");

while($phones = $get_phones->fetch_assoc()){
echo $phones['pname'] . $phones['mname'];}

But how can i make the list more readable by sorting all the models and phones like:

Iphone
3G
3GS
4G

Nokia
Lumia 1020
Lumia 925
Lumia 520

My guess is that i should do something like:

if($phones['pname'] == $phones['pname']{}

But i don't know if i'm far away here? Any help would be appreciated :)

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3条回答 默认 最新

  • douye8500 2013-07-17 11:52
    关注

    Well ofcourse you could order the query by mname:

    $get_phones = $mysqli->query("
    SELECT
        a.id,
        b.phone_id,
        a.phonename AS pname,
        b.modelname AS mname,
    FROM phone_brands 
    a LEFT OUTER JOIN phone_models b
    ON a.id = b.phone_id
    ORDER BY mname");
    

    And then in php do something like:

    $currentModel = "";
    
    while($phones = $get_phones->fetch_assoc()){
        if($currentModel != $phones['mname']){
            echo $phones['mname'].'<br/>';
            $currentModel = $phones['mname'];
        }
        echo $phones['pname'];
    }
    
    评论

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