快递100，ajax请求

<script type="text/javscript:;">
function getquery(){
$.post(‘url.PHP‘,{ordersn:"5541774441"},function(rs){
var html = ‘‘;
rs = rs.data;
for(var i ; i < data.length; i++){
var result = rs.[i];
html += ‘<span>‘+result.time+‘</span><p>‘+result.context+‘</p >‘;
}
$("#ins").html(ins);
},‘json‘)
}
$(document).ready(function(){
setTimeout(‘getquery()‘,2000);
});
</script>
<div id="ins">

</div>

url.PHP

<?PHP
$sn = $_POST[‘ordersn‘];
//参数设置
$post_data = array();
$post_data["customer"] = ‘*****‘;
$key= ‘*****‘ ;
$post_data["param"] = ‘{"com":"*****","num":$sn}‘;

$url=‘http://poll.kuaidi100.com/poll/query.do‘; $post_data["sign"] = md5($post_data["param"].$key.$post_data["customer"]); $post_data["sign"] = strtoupper($post_data["sign"]); $o=""; foreach ($post_data as $k=>$v) { $o.= "$k=".urlencode($v)."&"; //默认UTF-8编码格式 } $post_data=substr($o,-1); $ch = curl_init(); curl_setopt($ch,CURLOPT_POST,1); curl_setopt($ch,CURLOPT_HEADER,0); curl_setopt($ch,CURLOPT_URL,$url); curl_setopt($ch,CURLOPT_POSTFIELDS,$post_data); $result = curl_exec($ch); $data = str_replace("\"",‘"‘,$result ); echo $data = json_decode($data,true);exit(); ?>