PHP输出复杂JSON格式的问题

Question

S2C
正确：{state: “True”, 
food:[
{name:“秋刀鱼”, price:“10元”，pic: “http://xxx/images/shop/dyj/qdy.jpg”, shop: “大眼睛”}, 
{name: 荔枝肉”, price:”12元”， pic: “http://xxx/images/lzr.jpg”, shop: “快乐便当”}shop:[
{name: “大眼睛”, pic: “http://xxx/images/shop/dyj/logo.jpg”，address:”铜盘路1号”}，
{ name: “快乐便当”, pic: “http://xxx/images/shop/klbd/logo.jpg”，address:”铜盘路2号”}
]}
失败：{state: “false”}
请问如何构成这个JSON格式？

Answer 1

生成一个多维的关联键数组
然后 json_encode注意：只能是 utf-8 编码的数据

Answer 2

 $S2C= array(
        'state' => 'true',
        'food' => array(
            array(
                'name' => '秋刀鱼',
                'price' => '10元',
                'pic' => 'http://xxx/images/shop/dyj/qdy.jpg',
                'shop' => '大眼睛'
            ),
            array(
                'name' => '秋刀鱼',
                'price' => '10元',
                'pic' => 'http://xxx/images/shop/dyj/qdy.jpg',
                'shop' => '大眼睛'
            )
        ),
        'shop' => array(
            array(
                'name' => '秋刀鱼',
                'price' => '10元',
                'pic' => 'http://xxx/images/shop/dyj/qdy.jpg',
                'shop' => '大眼睛'
            ),
            array(
                'name' => '秋刀鱼',
                'price' => '10元',
                'pic' => 'http://xxx/images/shop/dyj/qdy.jpg',
                'shop' => '大眼睛'
            )
        )
    )
return json_encode($S2C);

Answer 3

elseif('get_my_favorite'==$action)
{
$name=$_GET['name'];

//算法。连接三个表。。取值啦啦啦。。

/*
SELECT fo.name as food_name,fo.price,fo.pic as food_pic,s.name as shop_name
FROM myfavorite AS fa
JOIN user AS u ON fa.userid = u.id
JOIN food AS fo ON fa.foodid = fo.id
JOIN shop AS s ON fo.shopid = s.id SELECT s.name as shop_name,s.pic as shop_pic,s.address as shop_address
FROM myfavorite AS fa
JOIN user AS u ON fa.userid = u.id
JOIN food AS fo ON fa.foodid = fo.id
JOIN shop AS s ON fo.shopid = s.id
SELECT * 
FROM shop
WHERE shop.id
IN (SELECT s.id AS shop_id
FROM myfavorite AS fa
JOIN user AS u ON fa.userid = u.id
JOIN food AS fo ON fa.foodid = fo.id
JOIN shop AS s ON fo.shopid = s.id
WHERE u.name =  'lx'
*/

$name=$_GET['name'];

$sql_food="SELECT fo.name as food_name,fo.price,fo.pic as food_pic,
s.name as shop_name
FROM myfavorite AS fa
JOIN user AS u ON fa.userid = u.id
JOIN food AS fo ON fa.foodid = fo.id
JOIN shop AS s ON fo.shopid = s.id
where u.name='".$name."'";
// echo $sql; $sql_shop=
"SELECT * 
FROM shop
WHERE shop.id
IN (
SELECT s.id
FROM myfavorite AS fa
JOIN user AS u ON fa.userid = u.id
JOIN food AS fo ON fa.foodid = fo.id
JOIN shop AS s ON fo.shopid = s.id
where u.name='".$name."')";// echo $sql_shop;
$row_food=$db->getAll($sql_food);
$row_shop=$db->getAll($sql_shop);
// echo("<pre>");
// print_r($row_shop);
// $arr=array('state'=>'false');
// $f=array('1'=>array('1.1'=>'aa','1.2'=>'ab'),2=>array('2.1'=>'ba','2.2'=>'bb'));
// $ff=array(1=>'aa',2=>'bb');
//// print_r($f);
// $arr2=array($arr,$f,$f);
// echo json_encode($arr2);
// $t='{"people":[{"firstName":"Brett","lastName":"McLaughlin","email":"aaaa"},
//　　{ "firstName": "Jason", "lastName":"Hunter", "email": "bbbb"},
//　　{ "firstName": "Elliotte", "lastName":"Harold", "email": "cccc" }
//　　]}
//　　';
//$a = array();
//$a['state'] = "false";
//$a['food'][0]['name'] = '秋刀鱼';
//$a['food'][0]['price'] = '10元';
//$a['food'][0]['pic'] = 'http://xxx/images/shop/dyj/qdy.jpg';
//$a['food'][1]['name'] = '荔枝肉';
//$a['food'][1]['price'] = '12元';
//$a['food'][1]['pic'] = 'http://xxx/images/lzr.jpg';
//$a['shop'][0]['name'] = '大眼睛';
//$a['shop'][0]['pic'] = 'http://xxx/images/shop/dyj/logo.jpg';
//$a['shop'][0]['address'] = '铜盘路1号';

// echo json_encode($a);
//
// $arr=array
// $tt=
// echo json_encode($t);
//
// $S2C= array(
//        'state' => 'true',
//        'food' => array(
//            array(
//                'name' => '秋刀鱼',
//                'price' => '10元',
//                'pic' => 'http://xxx/images/shop/dyj/qdy.jpg',
//                'shop' => '大眼睛'
//            ),
//            array(
//                'name' => '秋刀鱼',
//                'price' => '10元',
//                'pic' => 'http://xxx/images/shop/dyj/qdy.jpg',
//                'shop' => '大眼睛'
//            )
//        ),
//        'shop' => array(
//            array(
//                'name' => '秋刀鱼',
//                'price' => '10元',
//                'pic' => 'http://xxx/images/shop/dyj/qdy.jpg',
//                'shop' => '大眼睛'
//            ),
//            array(
//                'name' => '秋刀鱼',
//                'price' => '10元',
//                'pic' => 'http://xxx/images/shop/dyj/qdy.jpg',
//                'shop' => '大眼睛'
//            )
//        )
//    );
//echo  json_encode($S2C);//$a['food'][0]['price'] = '10元';// $sql="SELECT fo.name as food_name,fo.price,fo.pic as food_pic,
// s.name as shop_name $a=array('state'=>'false');
if($row_food)
{
$a=array('state'=>'true');
// echo("<pre>");
foreach($row_food as $k=>$v)
{
// print_r($v);
$a['food'][$k]['name']=$v['food_name'];
$a['food'][$k]['price']=$v['price'];
$a['food'][$k]['pic']=$v['food_pic'];
$a['food'][$k]['shop']=$v['shop_name'];
}

foreach($row_shop as $k=>$v)
{
// print_r($v);
$a['shop'][$k]['name']=$v['name'];
$a['shop'][$k]['pic']=$v['pic'];
$a['shop'][$k]['address']=$v['address'];
}
}

echo "<pre>";
print_r($a);
echo json_encode($a);
}

Answer 4

$array = array();
$array = array(
        'state' => 'true',
        'food' => array(
            array(
                'name' => '秋刀鱼',
                'price' => '10元',
                'pic' => 'http://xxx/images/shop/dyj/qdy.jpg',
                'shop' => '大眼睛'
            ),
            array(
                'name' => '秋刀鱼',
                'price' => '10元',
                'pic' => 'http://xxx/images/shop/dyj/qdy.jpg',
                'shop' => '大眼睛'
            )
        ),
        'shop' => array(
            array(
                'name' => '秋刀鱼',
                'price' => '10元',
                'pic' => 'http://xxx/images/shop/dyj/qdy.jpg',
                'shop' => '大眼睛'
            ),
            array(
                'name' => '秋刀鱼',
                'price' => '10元',
                'pic' => 'http://xxx/images/shop/dyj/qdy.jpg',
                'shop' => '大眼睛'
            )
        )
    )
var_dump(json_encode($array));