其實消息接口原理 就是微信 請求你後臺寫的地址接口簽名驗證 然後就可以操作了
<?php
/**
* 微信公衆平臺PHP-SDK, 官方API部分
* @author dodge
* @link https://github.com/dodgepudding/wechat-php-sdk
* @version 1.1
* usage:
* $options = array(
* 'token'=>'tokenaccesskey' //填寫你設定的key
* );
* $weObj = new Wechat1($options);
* $weObj->valid();
* $type = $weObj->getRev()->getRevType();
* switch($type) {
* case Wechat::MSGTYPE_TEXT:
* $weObj->text("hello, I'm wechat")->reply();
* exit;
* break;
* case Wechat::MSGTYPE_EVENT:
* ....
* break;
* case Wechat::MSGTYPE_IMAGE:
* ...
* break;
* default:
* $weObj->text("help info")->reply();
* }
*/
namespace Com\Wechat;
class Wechat1
{
const MSGTYPE_TEXT = 'text';
const MSGTYPE_IMAGE = 'image';
const MSGTYPE_LOCATION = 'location';
const MSGTYPE_LINK = 'link';
const MSGTYPE_EVENT = 'event';
const MSGTYPE_MUSIC = 'music';
const MSGTYPE_NEWS = 'news';
private $token;
private $_msg;
private $_funcflag = false;
private $_receive;
public $debug = false;
private $_logcallback;
public function __construct($options)
{
$this->token = isset($options['token'])?$options['token']:'';
$this->debug = isset($options['debug'])?$options['debug']:false;
$this->_logcallback = isset($options['logcallback'])?$options['logcallback']:false;
}
/**
* For weixin server validation
*/
private function checkSignature()
{
$signature = $_GET["signature"];
$timestamp = $_GET["timestamp"];
$nonce = $_GET["nonce"];
$token = $this->token;
$tmpArr = array($token, $timestamp, $nonce);
sort($tmpArr);
$tmpStr = implode( $tmpArr );
$tmpStr = sha1( $tmpStr );
if( $tmpStr == $signature ){
return true;
}else{
return false;
}
}
/**
* For weixin server validation
* @param bool $return 是否返回
*/
public function valid($return=false)
{
$echoStr = isset($_GET["echostr"]) ? $_GET["echostr"]: '';
if ($return) {
if ($echoStr) {
if ($this->checkSignature())
return $echoStr;
else
return false;
} else
return $this->checkSignature();
} else {
if ($echoStr) {
if ($this->checkSignature())
file_put_contents(__DIR__.'/log.log', date("Y-m-d H:i:s"). " " . $echoStr.PHP_EOL, FILE_APPEND | LOCK_EX);
else
file_put_contents(__DIR__.'/log.log', date("Y-m-d H:i:s"). " " . 'no access1'.PHP_EOL, FILE_APPEND | LOCK_EX);
} else {
if ($this->checkSignature())
return true;
else
file_put_contents(__DIR__.'/log.log', date("Y-m-d H:i:s"). " " . 'no access2'.PHP_EOL, FILE_APPEND | LOCK_EX);
}
}
return false;
}
/**
* 設置發送消息
* @param array $msg 消息數組
* @param bool $append 是否在原消息數組追加
*/
public function Message($msg = '',$append = false){
if (is_null($msg)) {
$this->_msg =array();
}elseif (is_array($msg)) {
if ($append)
$this->_msg = array_merge($this->_msg,$msg);
else
$this->_msg = $msg;
return $this->_msg;
} else {
return $this->_msg;
}
}
public function setFuncFlag($flag) {
$this->_funcflag = $flag;
return $this;
}
/**
* 獲取微信服務器發來的信息
*/
public function getRev()
{
$postStr = file_get_contents("php://input");
file_put_contents(__DIR__.'/log.log', date("Y-m-d H:i:s"). " " . '收到的xml:'.$postStr.PHP_EOL, FILE_APPEND | LOCK_EX);
if (!empty($postStr)) {
$this->_receive = (array)simplexml_load_string($postStr, 'SimpleXMLElement', LIBXML_NOCDATA);
}
return $this;
}
/**
* 獲取消息發送者
*/
public function getRevFrom() {
if ($this->_receive)
return $this->_receive['FromUserName'];
else
return false;
}
/**
* 獲取消息接受者
*/
public function getRevTo() {
if ($this->_receive)
return $this->_receive['ToUserName'];
else
return false;
}
/**
* 獲取接收消息的類型
*/
public function getRevType() {
if (isset($this->_receive['MsgType']))
return $this->_receive['MsgType'];
else
return false;
}
/**
* 獲取消息ID
*/
public function getRevID() {
if (isset($this->_receive['MsgId']))
return $this->_receive['MsgId'];
else
return false;
}
/**
* 獲取消息發送時間
*/
public function getRevCtime() {
if (isset($this->_receive['CreateTime']))
return $this->_receive['CreateTime'];
else
return false;
}
/**
* 獲取接收消息內容正文
*/
public function getRevContent(){
if (isset($this->_receive['Content']))
return $this->_receive['Content'];
else
return false;
}
/**
* 獲取接收消息圖片
*/
public function getRevPic(){
if (isset($this->_receive['PicUrl']))
return $this->_receive['PicUrl'];
else
return false;
}
/**
* 獲取接收消息鏈接
*/
public function getRevLink(){
if (isset($this->_receive['Url'])){
return array(
'url'=>$this->_receive['Url'],
'title'=>$this->_receive['Title'],
'description'=>$this->_receive['Description']
);
} else
return false;
}
/**
* 獲取接收地理位置
*/
public function getRevGeo(){
if (isset($this->_receive['Location_X'])){
return array(
'x'=>$this->_receive['Location_X'],
'y'=>$this->_receive['Location_Y'],
'scale'=>$this->_receive['Scale'],
'label'=>$this->_receive['Label']
);
} else
return false;
}
/**
* 獲取接收事件推送
*/
public function getRevEvent(){
if (isset($this->_receive['Event'])){
return array(
'event'=>$this->_receive['Event'],
'key'=>$this->_receive['EventKey'],
);
} else
return false;
}
public static function xmlSafeStr($str)
{
return ''.preg_replace("/[\\x00-\\x08\\x0b-\\x0c\\x0e-\\x1f]/",'',$str).'';
}
/**
* 數據XML編碼
* @param mixed $data 數據
* @return string
*/
public static function data_to_xml($data) {
$xml = '';
foreach ($data as $key => $val) {
is_numeric($key) && $key = "item id=\"$key\"";
$xml .= "<$key>";
$xml .= ( is_array($val) || is_object($val)) ? self::data_to_xml($val) : self::xmlSafeStr($val);
list($key, ) = explode(' ', $key);
$xml .= "$key>";
}
return $xml;
}
/**
* XML編碼
* @param mixed $data 數據
* @param string $root 根節點名
* @param string $item 數字索引的子節點名
* @param string $attr 根節點屬性
* @param string $id 數字索引子節點key轉換的屬性名
* @param string $encoding 數據編碼
* @return string
*/
public function xml_encode($data, $root='xml', $item='item', $attr='', $id='id', $encoding='utf-8') {
if(is_array($attr)){
$_attr = array();
foreach ($attr as $key => $value) {
$_attr[] = "{$key}=\"{$value}\"";
}
$attr = implode(' ', $_attr);
}
$attr = trim($attr);
$attr = empty($attr) ? '' : " {$attr}";
$xml .= "<{$root}{$attr}>";
$xml .= self::data_to_xml($data, $item, $id);
$xml .= "{$root}>";
return $xml;
}
/**
* 設置回覆消息
* Examle: $obj->text('hello')->reply();
* @param string $text
*/
public function text($text='')
{
$FuncFlag = $this->_funcflag ? 1 : 0;
$msg = array(
'ToUserName' => $this->getRevFrom(),
'FromUserName'=>$this->getRevTo(),
'MsgType'=>self::MSGTYPE_TEXT,
'Content'=>$text,
'CreateTime'=>time(),
'FuncFlag'=>$FuncFlag
);
$this->Message($msg);
return $this;
}
/**
* 設置回覆音樂
* @param string $title
* @param string $desc
* @param string $musicurl
* @param string $hgmusicurl
*/
public function music($title,$desc,$musicurl,$hgmusicurl='') {
$FuncFlag = $this->_funcflag ? 1 : 0;
$msg = array(
'ToUserName' => $this->getRevFrom(),
'FromUserName'=>$this->getRevTo(),
'CreateTime'=>time(),
'MsgType'=>self::MSGTYPE_MUSIC,
'Music'=>array(
'Title'=>$title,
'Description'=>$desc,
'MusicUrl'=>$musicurl,
'HQMusicUrl'=>$hgmusicurl
),
'FuncFlag'=>$FuncFlag
);
$this->Message($msg);
return $this;
}
/**
* 設置回覆圖文
* @param array $newsData
* 數組結構:
* array(
* [0]=>array(
* 'Title'=>'msg title',
* 'Description'=>'summary text',
* 'PicUrl'=>'http://www.domain.com/1.jpg',
* 'Url'=>'http://www.domain.com/1.html'
* ),
* [1]=>....
* )
*/
public function news($newsData=array())
{
$FuncFlag = $this->_funcflag ? 1 : 0;
$count = count($newsData);
$msg = array(
'ToUserName' => $this->getRevFrom(),
'FromUserName'=>$this->getRevTo(),
'MsgType'=>self::MSGTYPE_NEWS,
'CreateTime'=>time(),
'ArticleCount'=>$count,
'Articles'=>$newsData,
'FuncFlag'=>$FuncFlag
);
$this->Message($msg);
return $this;
}
/**
*
* 回覆微信服務器, 此函數支持鍊師操作
* Example: $this->text('msg tips')->reply();
* @param string $msg 要發送的信息, 默認取$this->_msg
* @param bool $return 是否返回信息而不拋出到瀏覽器 默認:否
*/
public function reply($msg=array(),$return = false)
{
if (empty($msg))
$msg = $this->_msg;
$xmldata= $this->xml_encode($msg);
file_put_contents(__DIR__.'/log.log', date("Y-m-d H:i:s"). " " . '回覆的xml:'.$xmldata.PHP_EOL, FILE_APPEND | LOCK_EX);
if ($return)
return $xmldata;
else
echo $xmldata;
}
}
查看原文：http://newmiracle.cn/?p=2176