1、直接回复success(推荐方式)
2、直接回复空串(指字节长度为0的空字符串,而不是XML结构体中content字段的内容为空)
public function responseMsg() { //$postStr = $GLOBALS["HTTP_RAW_POST_DATA"]; $postStr = file_get_contents('php://input'); if (!empty($postStr)) { $postObj = simplexml_load_string($postStr); //, 'SimpleXMLElement', LIBXML_NOCDATA //关注事件时推送消息 if (strtolower($postObj->MsgType) == 'event') {//事件 if (strtolower($postObj->Event == 'subscribe')) {//关注 $domain = Yii::$app->params['domain']['www']; $imgDomain = Yii::$app->params['domain']['img'] . 'logo.png'; $array = array( array('title' => '欢迎关注一网超市', 'description' => '上一网 逛超市 多快好省!', 'picUrl' => $imgDomain, 'url' => $domain, ), ); $textTpl = "<xml> <ToUserName><![CDATA[%s]]></ToUserName> <FromUserName><![CDATA[%s]]></FromUserName> <CreateTime>%s</CreateTime> <MsgType><![CDATA[%s]]></MsgType> <ArticleCount>" . count($array) . "</ArticleCount> <Articles>"; foreach ($array as $key => $val) { $textTpl .= "<item> <Title><![CDATA[" . $val['title'] . "]]></Title> <Description><![CDATA[" . $val['description'] . "]]></Description> <PicUrl><![CDATA[" . $val['picUrl'] . "]]></PicUrl> <Url><![CDATA[" . $val['url'] . "]]></Url> </item>"; } $textTpl .= " </Articles> </xml>"; $fromUserName = $postObj->FromUserName; $toUserName = $postObj->ToUserName; $time = time(); echo sprintf($textTpl, $fromUserName, $toUserName, $time, 'news'); $ret = array('openid' => "$fromUserName", 'event' => 'subscribe'); return json_encode($ret); } else if ($postObj->Event == "VIEW") { $fromUserName = $postObj->FromUserName; $ret = array('openid' => "$fromUserName", 'event' => 'VIEW'); return json_encode($ret); } else if ($postObj->Event == "CLICK") { $fromUserName = $postObj->FromUserName; $ret = array('openid' => "$fromUserName", 'event' => 'VIEW'); return json_encode($ret); } else { $fromUserName = $postObj->FromUserName; $ret = array('openid' => "$fromUserName", 'event' => 'VIEW'); return json_encode($ret); } } else {//$postObj->MsgType=text 在公众号发消息收到的就是text类型 echo '';//这里就是回复的空字符串或者success,即echo 'success'; exit;//这个退出是关键,必须加上,没有则还是会出现那个标题的提示 } } else { echo ''; exit; }}
问题二是说回复了异常的json,就是回复消息时拼的xml中包含了空格,大家可以看下,自己是否也存在类似错误。
如:
<xml> <ToUserName>< ![CDATA[toUser] ]></ToUserName> <FromUserName>< ![CDATA[fromUser] ]></FromUserName> <CreateTime>12345678</CreateTime> <MsgType>< ![CDATA[text] ]></MsgType> <Content>< ![CDATA[你好] ]></Content> </xml
去掉空格后:
<xml><ToUserName><![CDATA[toUser]]></ToUserName><FromUserName><![CDATA[fromUser]]></FromUserName><CreateTime>12345678</CreateTime><MsgType><![CDATA[text]]></MsgType><Content><![CDATA[你好]]></Content></xml