首先在微信公眾平臺(tái)(網(wǎng)址：https://mp.weixin.qq.com)申請(qǐng)一個(gè)訂閱號(hào)，然后在開(kāi)發(fā)里找到開(kāi)發(fā)者工具點(diǎn)擊公眾平臺(tái)測(cè)試賬號(hào)，在測(cè)試賬號(hào)內(nèi)進(jìn)行微信開(kāi)發(fā)實(shí)驗(yàn)。? ? 1. 設(shè)置一個(gè)自己的有效的域名網(wǎng)址和TOKEN(就是暗號(hào))，TOKEN一定要與PHP代碼中的TOKEN驗(yàn)證一致否則會(huì)一直配置失敗(寫(xiě)有這段代碼的文件一定要傳到有效的域名網(wǎng)址內(nèi)。與設(shè)置的網(wǎng)址必須相同)。? ? 下面是PHP代碼(在微信公眾平臺(tái)開(kāi)發(fā)里的開(kāi)發(fā)者文檔內(nèi)有部分代碼) 。

//define your token

define("TOKEN", "weixin");

$wechatObj = new wechatCallbackapiTest();

$wechatObj->run();

class wechatCallbackapiTest

{

public function run()

{

if ($this->checkSignature()==false) {

die('非法請(qǐng)求');

}

if (isset($_GET["echostr"])) {

$echostr = $_GET["echostr"];

echo $echostr;

exit();

} else {

$this->responseMsg();

}

/*$echoStr = $_GET["echostr"];

//valid signature , option

if($this->checkSignature()){

echo $echoStr;

exit;*/

}

}

public function responseMsg()

{

//get post data, May be due to the different environments

$postStr = $GLOBALS["HTTP_RAW_POST_DATA"];

//extract post data

if (!empty($postStr)){

$postObj = simplexml_load_string($postStr, 'SimpleXMLElement', LIBXML_NOCDATA);

$fromUsername = $postObj->FromUserName;

$toUsername = $postObj->ToUserName;

$keyword = trim($postObj->Content);

$time = time();

$textTpl = "

%s

0

";

if(!empty( $keyword ))

{

$msgType = "text";

$contentStr = "Welcome to wechat world!";

$resultStr = sprintf($textTpl, $fromUsername, $toUsername, $time, $msgType, $contentStr);

echo $resultStr;

}else{

echo "Input something...";

}

}else {

echo "";

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;

}

}

}

?>

2.自動(dòng)回復(fù)?首先重新寫(xiě)一個(gè)方法在上面那個(gè)文件夾里，再調(diào)用此方法，注意不能重名。以下代碼是給訂閱號(hào)發(fā)天氣，它會(huì)回復(fù)天氣晴朗，發(fā)放假，它會(huì)回復(fù)你“不好好奮斗瞎想啥？”回復(fù)其他則會(huì)回復(fù)"Welcome to wechat world!"public function responseMsg()

{

//get post data, May be due to the different environments

$postStr = $GLOBALS["HTTP_RAW_POST_DATA"];

file_put_contents('msg.txt', $postStr,FILE_APPEND);

//extract post data

if (!empty($postStr)){

$postObj = simplexml_load_string($postStr, 'SimpleXMLElement', LIBXML_NOCDATA);

$fromUsername = $postObj->FromUserName;

$toUsername = $postObj->ToUserName;

$keyword = trim($postObj->Content);

$time = time();

//$msgType = $postObj->MsgType;//消息類(lèi)型

//$event = $postObj->Event;//時(shí)間類(lèi)型，subscribe(訂閱)、unsubscribe(取消訂閱)

$textTpl = "

%s

0

";

if(!empty( $keyword ))

{

$msgType = "text";

$contentStr = $this->autohuifu($keyword);

//$contentStr = "Welcome to wechat world!";

$resultStr = sprintf($textTpl, $fromUsername, $toUsername, $time, $msgType, $contentStr);

echo $resultStr;

}else{

echo "Input something...";

}

}else {

echo "";

exit;

}

}

public function autohuifu($keyword){

if($keyword =='天氣'){

$contentStr = "天氣晴朗";

}else if($keyword =='放假'){

$contentStr = "成天不好好奮斗瞎想啥？";

}else{

$contentStr = "Welcome to wechat world!";

}

return $contentStr;

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