微信公众平台开发（63）汽车查询

<?php

include('simple_html_dom.php');

// var_dump(getCoachInfo("广州到深圳"));
function getCoachInfo($keyword)
{
$divide = "到";
$dividePos = strpos($keyword, $divide);
$divideLen = strlen($divide);
$from = substr($keyword, 0, $dividePos);
$to = substr($keyword, $dividePos + $divideLen, strlen($keyword) - $dividePos - $divideLen);

try {
$url = "http://www.keyunzhan.com/zhandaozhan_search.php?find_type=2&shousuo=2&startstate=".urlencode($from)."&endstate=".urlencode($to);
$html_coach = file_get_html($url);
if (!isset($html_coach)){
$html_coach->clear();
return "检索出错！\n如果经常这样，请发送9到QQ空间给我们留言。";
}

$result = "";
foreach($html_coach->find('div[class="car_left_detail01_rows"]') as $singleCoach) {
$start = $singleCoach->find('div[class="car_left_detail01_rows_col01"]', 0)->plaintext;
$station    = $singleCoach->find('div[class="car_left_detail01_rows_col01"]', 1)->plaintext;
$end        = $singleCoach->find('div[class="car_left_detail01_rows_col01"]', 2)->plaintext;
$time       = $singleCoach->find('div[class="car_left_detail01_rows_col02"]', 0)->plaintext;
$time2      = trim(str_replace("+显示全部", "",$time));
$time3      = preg_replace("/[\n\s]+/is", " ", $time2);
$distance   = $singleCoach->find('div[class="car_left_detail01_rows_col02"]', 1)->plaintext;
$price      = $singleCoach->find('div[class="car_left_detail01_rows_col03"]', 0)->plaintext;

$result .= "出发：".$start.$station."\n".
"目的：".$end."\n".
"时间：".$time3."\n".
"里程：".$distance."\n".
"票价：".$price."\n\n";
}

$html_coach->clear();
return trim($result);
}catch (Exception $e){

}
}

?>