ajax 验证用户

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？？？？？？？？？？？？？？？？？？？？？？？？？？？？？？？？？？？？？？？？
ajax.php


header("CacheControl = no-cache");
header("Pragma=no-cache");
header("Expires = -1");


if($_POST['name']){
$name=$_POST['name'];
$info='';
if($name == 'lsk'){
    $info= '
    [{"id":"1","name":"lll","age":"23"},
    {"id":"2","name":"222","age":"23"},
    {"id":"3","name":"333","age":"23"}]';
}
}
echo $info;