php将json分页,php处理分页数据并返回json

header(‘content-type:application/json;charset=utf-8‘);//设置浏览器解析格式为json

header(‘Access-Control-Allow-Origin: *‘);

$curPage = $_GET[‘page‘];//前台传递的当前页

$pageSize = 20;//页容量大小

$start = ($curPage - 1) * $pageSize;//起始页数

$totalPage = 0;//总页数

$conn = mysqli_connect("localhost", "root", "root","s");//数据库连接参数

$pageList = array();//用来封装分页数据的数组

//执行分页查询的同时在数据库中设置一个新字段，总记录数

$sql="SELECT * ,(select count(*) FROM s) as total from s limit $start,$pageSize";

$result = mysqli_query($conn, $sql);

while ($row = mysqli_fetch_assoc($result)) {

$items = array(

"itemid" => $row[‘itemid‘],

"itemtitle" => $row[‘itemtitle‘],

"image" => $row[‘itempic‘],

"price" => $row[‘orderfee‘]//

);

//总页数等于总记录数/页容量，向上取整, 如3.5页，要有第四页

$totalPage = ceil($row[‘total‘] / $pageSize);

array_push($pageList, $items);//填充分页数据

}

mysqli_close($conn);//关闭连接

echo json_encode($pageList,JSON_UNESCAPED_UNICODE);

?>

php处理分页数据并返回json