token验证失败
$timestamp=$_GET['timestamp'];
$nonce = $_GET['nonce'];
$token = 'weixin';
$signature = $_GET['signature'];
$array = array($timestamp,$nonce,$token);
sort($array);
$tmpstr = implode('',$array);
$tmpstr = sha1($tmpstr);
if( $tmpstr == $signature){
echo $_GET['echostr'];
exit;
}
