<?php  
header("Content-type:text/html;charset=utf-8");//字符編碼設(shè)置  
$servername = "localhost";  
$username = "root";  
$password = "root";  
$dbname = "tjks";  

// 創(chuàng)建連接  
$con =mysqli_connect($servername, $username, $password, $dbname);  

// 檢測連接  

  
$sql = "SELECT * FROM brands";  
$result = mysqli_query($con,$sql);  
if (!$result) {
    printf("Error: %s\n", mysqli_error($con));
    exit();
}

$jarr = array();
while ($rows=mysqli_fetch_array($result,MYSQL_ASSOC)){
    $count=count($rows);//不能在循環(huán)語句中，由于每次刪除 row數(shù)組長度都減小  
    for($i=0;$i<$count;$i++){  
        unset($rows[$i]);//刪除冗余數(shù)據(jù)  
    }
    array_push($jarr,$rows);
}
print_r($jarr);//查看數(shù)組
echo "<br/>";
 
echo '<hr>';

echo '編碼后的json字符串：';
echo $str=json_encode($jarr);//將數(shù)組進(jìn)行json編碼
echo '<br>';
$arr=json_decode($str);//再進(jìn)行json解碼
echo '解碼后的數(shù)組：';
print_r($arr);//打印解碼后的數(shù)組，數(shù)據(jù)存儲(chǔ)在對(duì)象數(shù)組中
mysqli_close($con);
?>

<?php  
header("Content-type:text/html;charset=utf-8");//字符編碼設(shè)置  
$servername = "localhost";  
$username = "root";  
$password = "root";  
$dbname = "tjks";  

// 創(chuàng)建連接  
$con =mysqli_connect($servername, $username, $password, $dbname);  

// 檢測連接  

  
$sql = "SELECT * FROM brands";  
$result = mysqli_query($con,$sql);  
if (!$result) {
    printf("Error: %s\n", mysqli_error($con));
    exit();
}

$jarr = array();
while ($rows=mysqli_fetch_array($result,MYSQL_ASSOC)){
    $count=count($rows);//不能在循環(huán)語句中，由于每次刪除 row數(shù)組長度都減小  
    for($i=0;$i<$count;$i++){  
        unset($rows[$i]);//刪除冗余數(shù)據(jù)  
    }
    array_push($jarr,$rows);
}
print_r($jarr);//查看數(shù)組
echo "<br/>";
echo '<hr>';

$jobj=new stdclass();//實(shí)例化stdclass，這是php內(nèi)置的空類，可以用來傳遞數(shù)據(jù)，由于json_encode后的數(shù)據(jù)是以對(duì)象數(shù)組的形式存放的，
//所以我們生成的時(shí)候也要把數(shù)據(jù)存儲(chǔ)在對(duì)象中
foreach($jarr as $key=>$value){
$jobj->$key=$value;
}
echo '傳遞屬性后的對(duì)象：';
print_r($jobj);//打印傳遞屬性后的對(duì)象
echo '<br>';
echo '編碼后的json字符串：'.json_encode($jobj).'<br>';//打印編碼后的json字符串
mysqli_close($con);
?>