valid();
//開啟自動回復功能
$wechatObj->responseMsg();
//定義類文件
class wechatCallbackapiTest
{
//實現(xiàn)valid驗證方法:實現(xiàn)對接微信公眾平臺
public function valid()
{
//接受隨機字符串
$echoStr = $_GET["echostr"];
//valid signature , option
//進行用戶數(shù)字簽名驗證
if($this->checkSignature()){
//如果成功,則返回接受到的隨機字符串
echo $echoStr;
//退出
exit;
}
}
//定義自動回復功能
public function responseMsg()
{
//get post data, May be due to the different environments
//接受用戶端發(fā)送過來的xml數(shù)據(jù)
$postStr = $GLOBALS["HTTP_RAW_POST_DATA"];
//extract post data
//判斷xml數(shù)據(jù)是否為空
if (!empty($postStr)){
/* libxml_disable_entity_loader is to prevent XML eXternal Entity Injection,
the best way is to check the validity of xml by yourself */
libxml_disable_entity_loader(true);
//通過simplexml進行xml解析
$postObj = simplexml_load_string($postStr, 'SimpleXMLElement', LIBXML_NOCDATA);
//接受微信的手機端
$fromUsername = $postObj->FromUserName;
//微信公眾平臺
$toUsername = $postObj->ToUserName;
//接受用戶發(fā)送的關鍵詞
$keyword = trim($postObj->Content);
//1.接受用戶消息類型
$msgType = $postObj -> MsgType;
//時間戳
$time = time();
//文本發(fā)送模板
$textTpl = "%s0";
//////////////////////////////////////////////////////////////////////////////////
//如果用戶發(fā)送的是文本類型文件,執(zhí)行以下
if($msgType == 'text'){
if(!empty( $keyword ))
{
/*這是一個實例
//如果發(fā)送文本信息
$msgType = "text";
//回復內(nèi)容
if($keyword == "李楠"){
$contentStr = "叫我干嘛";
}else{
$contentStr = "叫我干嘛";
}
//格式化xml模板,參數(shù)與上面的模板是一一對應的.fromUsername和頭Username是相反的,只寫帶%s的
$resultStr = sprintf($textTpl, $fromUsername, $toUsername, $time, $msgType, $contentStr);
//將xml信息返回給客戶端
echo $resultStr;
*/
if($keyword == "?" || $keyword == "？"){
$msgType = "text";
$contentStr = "1.特種服務號碼\n2.通訊服務號碼";
$resultStr = sprintf($textTpl,$fromUsername,$toUsername,$time,$msgType,$contentStr);
echo $resultStr;
}elseif($keyword == 1){
$msgType = "text";
$contentStr = "1.匪警:110\n2.火警:119\n3.急救:120";
$resultStr = sprintf($textTpl,$fromUsername,$toUsername,$time,$msgType,$contentStr);
echo $resultStr;
}elseif($keyword == 2){
$msgType = "text";
$contentStr = "1.中國移動:10086\n2.中國聯(lián)通:10010";
$resultStr = sprintf($textTpl,$fromUsername,$toUsername,$time,$msgType,$contentStr);
echo $resultStr;
}
}else{
echo "不能不說話";
}
}
////////////////////////////////////////////////////////////////////////////////////
//接受圖片信息
if($msgType == "image"){
//如果發(fā)送文本信息
$msgType = "text";
//回復內(nèi)容
$contentStr = "你發(fā)送的是圖片文件";
//格式化字符串
$resultStr = sprintf($textTpl, $fromUsername, $toUsername, $time, $msgType, $contentStr);
//將xml信息返回給客戶端
echo $resultStr;
}
////////////////////////////////////////////////////////////////////////////////////
if($msgType == "voice"){
//如果發(fā)送文本信息
$msgType = "text";
//回復內(nèi)容
$contentStr = "你發(fā)送的是語音文件";
//格式化字符串
$resultStr = sprintf($textTpl, $fromUsername, $toUsername, $time, $msgType, $contentStr);
//將xml信息返回給客戶端
echo $resultStr;
}
////////////////////////////////////////////////////////////////////////////////////
if($msgType == "video"){
//如果發(fā)送文本信息
$msgType = "text";
//回復內(nèi)容
$contentStr = "你發(fā)送的是視頻文件";
//格式化字符串
$resultStr = sprintf($textTpl, $fromUsername, $toUsername, $time, $msgType, $contentStr);
//將xml信息返回給客戶端
echo $resultStr;
}
////////////////////////////////////////////////////////////////////////////////////
if($msgType == "shortvideo"){
//如果發(fā)送文本信息
$msgType = "text";
//回復內(nèi)容
$contentStr = "你發(fā)送的是小視頻文件";
//格式化字符串
$resultStr = sprintf($textTpl, $fromUsername, $toUsername, $time, $msgType, $contentStr);
//將xml信息返回給客戶端
echo $resultStr;
}
////////////////////////////////////////////////////////////////////////////////////
if($msgType == "location"){
//如果發(fā)送文本信息
$msgType = "text";
//回復內(nèi)容
$contentStr = "你發(fā)送的是地理位置文件";
//格式化字符串
$resultStr = sprintf($textTpl, $fromUsername, $toUsername, $time, $msgType, $contentStr);
//將xml信息返回給客戶端
echo $resultStr;
}
////////////////////////////////////////////////////////////////////////////////////
if($msgType == "link"){
//如果發(fā)送文本信息
$msgType = "text";
//回復內(nèi)容
$contentStr = "你發(fā)送的是連接文件";
//格式化字符串
$resultStr = sprintf($textTpl, $fromUsername, $toUsername, $time, $msgType, $contentStr);
//將xml信息返回給客戶端
echo $resultStr;
}
////////////////////////////////////////////////////////////////////////////////////
/*
//判斷用戶發(fā)送關鍵詞是否為空
if(!empty( $keyword ))
{
//如果發(fā)送文本信息
$msgType = "text";
//回復內(nèi)容
$contentStr = "大家好,我是hero";
//格式化字符串
$resultStr = sprintf($textTpl, $fromUsername, $toUsername, $time, $msgType, $contentStr);
//將xml信息返回給客戶端
echo $resultStr;
}else{
echo "Input something...";
}
*/
}else {
echo "";
exit;
}
}
private function checkSignature()
{
// you must define TOKEN by yourself
//判斷是否定義了TOKEN,如果沒有就拋出一個異常
if (!defined("TOKEN")) {
throw new Exception('TOKEN is not defined!');
}
$signature = $_GET["signature"];//接受微信加密簽名
$timestamp = $_GET["timestamp"];//接受時間戳
$nonce = $_GET["nonce"];//接受隨機數(shù)
$token = TOKEN;//把TOKEN常量賦值給$token
//把相關參數(shù)組裝成數(shù)組
$tmpArr = array($token, $timestamp, $nonce);
// use SORT_STRING rule
//排序
sort($tmpArr, SORT_STRING);
//把排序后的數(shù)組轉換成字符串
$tmpStr = implode( $tmpArr );
//通過哈希算法加密
$tmpStr = sha1( $tmpStr );
//與加密簽名進行對比
if( $tmpStr == $signature ){
//相同返回true
return true;
}else{
//不同返回false
return false;
}
}
}
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