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<?php/** * @author heqing * @version v1.0 *///define your tokendefine("TOKEN", "weixin");//这里填写的是你在微信上设置的TOKEN,但是必须保证与微信公众平台 接口配置信息一致$wechatObj = new wechatCallbackapiTest();$wechatObj->valid();//这里是测试网站配置信息和开发的是否一致。
$wechatObj->responseMsg();//新增加这一项,目的是调用responseMsg()这个功能。
class wechatCallbackapiTest{
//若确认此次GET请求来自微信服务器,请原样返回echostr参数内容,则接入生效,否则接入失败。
public function valid() { $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 = $GLOBALS["HTTP_RAW_POST_DATA"]; //extract post dataif (!empty($postStr)){ $postObj = simplexml_load_string($postStr, 'SimpleXMLElement', LIBXML_NOCDATA); $fromUsername = $postObj->FromUserName; $toUsername = $postObj->ToUserName; $keyword = trim($postObj->Content); $time = time(); $textTpl = "<xml><ToUserName><![CDATA[%s]]></ToUserName><FromUserName><![CDATA[%s]]></FromUserName><CreateTime>%s</CreateTime><MsgType><![CDATA[%s]]></MsgType><Content><![CDATA[%s]]></Content><FuncFlag>0</FuncFlag></xml>"; if(!empty( $keyword ))// $keyword是关键词,即为用户发送的信息 { $msgType = "text";//文本格式的消息 $contentStr = "Welcome to wechat world!";//预制消息回复 if ($keyword == "index") { $contentStr = "welcome to nongdaxy.com"; } if ($keyword == "首页") { $contentStr = "欢迎来到校园之窗"; } $resultStr = sprintf($textTpl, $fromUsername, $toUsername, $time, $msgType, $contentStr); echo $resultStr; }else{ echo "Input something..."; } }else { echo ""; exit; } }// 开发者通过检验signature对请求进行校验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;}}}?> |