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[英]Android Studio - Using Volley to get JSON data from the server
[英]Retrieve single Data From MySQL Server DB in Android using Volley and PHP and json
这里 PHP 代码数据来自服务器,但 null 值它的设置如何正常工作没有错误请解释
if($_SERVER['REQUEST_METHOD']=='GET'){
$id = $_GET['id'];
require_once('dbConnect.php');
$sql = "SELECT * FROM colleges WHERE id='".$id."'";
$r = mysqli_query($con,$sql);
$res = mysqli_fetch_array($r);
$result = array();
array_push($result,array(
"name"=>$res['name'],
"address"=>$res['address'],
"vc"=>$res['vicechancellor']
)
);
echo json_encode(array("result"=>$result));
mysqli_close($con);
}
将 $sql 更改为以下一次并尝试....
$sql = "SELECT * FROM 大学 WHERE id=$id";
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