百度百科是一部内容开放、自由的网络百科全书，旨在创造一个涵盖所有领域知识、服务所有互联网用户的中文知识性百科全书。百度百科以平等、协作、分享、自由的互联网精神，提倡网络面前人人平等，所有人共同协作编写百科全书，让知识在一定的技术规则和文化脉络下得以不断组合和拓展。
百度百科
为用户提供一个创造性的网络平台，强调用户的参与和奉献精神，充分调动互联网所有用户的力量，汇聚上亿用户的头脑智慧，积极交流和分享，同时实现与搜索引擎的完美结合，从各个不同层次上满足用户对信息的需求。
百度百科所提供的，是一个互联网所有用户均能平等地浏览、创造、完善内容的平台。所有中文互联网用户在百度百科都能找到自己想要的全面、准确、客观的定义性信息
从百度百科抓取内容
/s", $get_contents_gbk, $out); //获取跳转后URL
$real_link = 'http://baike.baidu.com' .$out[1];
$get_contents2 = httpGetRequest_baike($real_link); //获取跳转页内容
preg_match('#"Description"scontent="(.+?)"s/>#is', $get_contents2, $matchresult);
if (isset($matchresult[1]) && $matchresult[1] != ""){
return $matchresult[1];
}else{
return "抱歉，没有找到与“".$name."”相关的百科结果。";
}
}
function httpGetRequest_baike($url)
{
$headers = array(
"User-Agent: Mozilla/5.0 (Windows NT 5.1; rv:14.0) Gecko/20100101 Firefox/14.0.1",
"Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8",
"Accept-Language: en-us,en;q=0.5",
"Referer: http://www.baidu.com/"
);
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
$output = curl_exec($ch);
curl_close($ch);
if ($output === FALSE){
return "cURL Error: ". curl_error($ch);
}
return $output;
}
?>
微信中调用
responseMsg();
class wechatCallbackapiTest
{
public function valid()
{
$echoStr = $_GET["echostr"];
//valid signature , option
if($this->checkSignature()){
echo $echoStr;
exit;
}
}
private function checkSignature()
{
$signature = $_GET["signature"];
$timestamp = $_GET["timestamp"];
$nonce = $_GET["nonce"];
$token = TOKEN;
$tmpArr = array($token, $timestamp, $nonce);
sort($tmpArr);
$tmpStr = implode( $tmpArr );
$tmpStr = sha1( $tmpStr );
if( $tmpStr == $signature ){
return true;
}else{
return false;
}
}
public function responseMsg()
{
//get post data, May be due to the different environments
$postStr = $GLOBALS["HTTP_RAW_POST_DATA"];
logger("R ".$postStr);
//extract post data
if (!empty($postStr)){
$postObj = simplexml_load_string($postStr, 'SimpleXMLElement', LIBXML_NOCDATA);
$RX_TYPE = trim($postObj->MsgType);
switch ($RX_TYPE)
{
case "text":
$resultStr = $this->receiveText($postObj);
break;
case "event":
$resultStr = $this->receiveEvent($postObj);
break;
default:
$resultStr = "unknow msg type: ".$RX_TYPE;
break;
}
logger("T ".$resultStr);
echo $resultStr;
}else {
echo "";
exit;
}
}
private function receiveText($object)
{
$funcFlag = 0;
$keyword = trim($object->Content);
$resultStr = "";
$contentStr = "";
include('baike.php');
$contentStr = getEncyclopediaInfo($keyword);
$resultStr = $this->transmitText($object, $contentStr, $funcFlag);
return $resultStr;
}
private function receiveEvent($object)
{
$contentStr = "";
switch ($object->Event)
{
case "subscribe":
$contentStr = "欢迎关注";
}
$resultStr = $this->transmitText($object, $contentStr);
return $resultStr;
}
private function transmitText($object, $content, $flag = 0)
{
$textTpl = "
%s
%d
";
$resultStr = sprintf($textTpl, $object->FromUserName, $object->ToUserName, time(), $content, $flag);
return $resultStr;
}
}
function logger($log_content)
{
}
?>
