微信类

总是想写点儿对大家有用的东西，微信这个东西最近火的很，到处都是公众账号，微营销等等。这段时间专门研究了一些关于微信公众平台的东西，也做过一些小的项目，所以分享一些关于微信公众平台的东西

class Wechat{

//签名
private $token = '';

//消息类型
private $msgtype;

//消息内容
private $msgobj;

//事件类型
private $eventtype;

//事件key值
private $eventkey;

#{服务号才可得到
//AppId
private $appid = "";
//AppSecret
private $secret = "";
#}

private $_isvalid = false;

public function __construct($token,$isvalid = false){
$this->token = $token;
$this->_isvalid = $isvalid;
}

/**
* 执行程序入口
*/
public function index(){
if($this->_isvalid){
$this->valid();
}
$this->getMsg();
$this->responseMsg();
}

/**
* 初次校验
*/
private function valid(){
$echoStr = $_GET["echostr"];

if($this->checkSignature()){
echo $echoStr;
exit();
}
}

/**
* 创建自定义菜单
*/
private function createMenu(){
$url = "https://api.weixin.qq.com/cgi-bin/menu/create?access_token=".$this->getAccessToken();
$menujson = '{
"button":[
{
"type":"click",
"name":"NAME1",
"key":"V1001_NEW"
},
{
"type":"view",
"name":"NAME2",
"url":"http://www.zhangenrui.cn"
},
{
"type":"view",
"name":"NAME3",
"url":"http://www.zhangenrui.cn"
}
]
}';

$ch = curl_init($url);

curl_setopt($ch, CURLOPT_CUSTOMREQUEST, "POST");
curl_setopt($ch, CURLOPT_POSTFIELDS,$menujson);
curl_setopt($ch, CURLOPT_RETURNTRANSFER,1);

$info = curl_exec($ch);

if (curl_errno($ch)) {
echo 'Errno'.curl_error($ch);
}

curl_close($ch);

var_dump($info);
}

/**
* 删除自定义菜单
*/
private function deleteMenu(){
$url = "https://api.weixin.qq.com/cgi-bin/menu/delete?access_token=".$this->getAccessToken();

$ch = curl_init($url);

curl_setopt($ch, CURLOPT_RETURNTRANSFER,1);

$info = curl_exec($ch);

if (curl_errno($ch)) {
echo 'Errno'.curl_error($ch);
}

curl_close($ch);

var_dump($info);

}

/**
* 获取消息
*/
private function getMsg(){
//验证消息的真实性
if(!$this->checkSignature()){
exit();
}

//接收消息
$poststr = $GLOBALS["HTTP_RAW_POST_DATA"];
if(!empty($poststr)){
$this->msgobj = simplexml_load_string($poststr,'SimpleXMLElement',LIBXML_NOCDATA);
$this->msgtype = strtolower($this->msgobj->MsgType);
}
else{
$this->msgobj = null;
}
}

/**
* 回复消息
*/
private function responseMsg(){
switch ($this->msgtype) {
case 'text':
$data = $this->getData($this->msgobj->Content);
if(empty($data) || !is_array($data)){
$content = "ruiblog";
$this->textMsg($content);//查询不到记录返回提示信息
}
else{
$this->newsMsg($data);
}
break;
case 'event':
$this->eventOpt();
break;
default:
# code...
break;
}
}

/**
* 回复文本消息
*/
private function textMsg($content=''){
$textxml = "msgobj->FromUserName}]]>msgobj->ToUserName}]]>".time()."";

//做搜索处理
if(empty($content)){
$content = "查询功能正在开发中...";
}
$resultstr = sprintf($textxml,$content);
echo $resultstr;
}

/**
* 回复图文消息
*/
private function newsMsg($data){
if(!is_array($data)){
exit();
}
$newscount = (count($data) > 10)?10:count($data);
$newsxml = "msgobj->FromUserName}]]>msgobj->ToUserName}]]>".time()."{$newscount}%s";
$itemxml = "";
foreach ($data as $key => $value) {
$itemxml .= "";
$itemxml .= " ";
$itemxml .= "";
}
$resultstr = sprintf($newsxml,$itemxml);
echo $resultstr;
}

/**
* 事件处理
*/
private function eventOpt(){
$this->eventtype = strtolower($this->msgobj->Event);
switch ($this->eventtype) {
case 'subscribe':

//做用户绑定处理

$content = "ruiblog";
$this->textMsg($content);
break;
case 'unsubscribe':

//做用户取消绑定的处理

break;
case 'click':
$this->menuClick();
break;
default:
# code...
break;
}
}

/**
* 自定义菜单事件处理
*/
private function menuClick(){
$this->eventkey = $this->msgobj->EventKey;
switch ($this->eventkey) {
case 'V1001_NEW':
$data = $this->getData();
$this->newsMsg($data);
break;
default:
# code...
break;
}
}

/**
* 获取本地数据
*/
private function getData($key='ruiblog'){
$data = $key;
//写你自己相关的程序
return $data;
}

/**
* 校验签名
*/
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 );

return ($tmpStr == $signature)?true:false;
}

/**
* 获取access token
*/
private function getAccessToken(){
$url = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=$this->appid&secret=$this->secret";
$atjson=file_get_contents($url);
$result=json_decode($atjson,true);//json解析成数组
if(!isset($result['access_token'])){
exit( '获取access_token失败！' );
}
return $result["access_token"];
}
}

?>详细点这里：http://www.appryan.com/2015/05/17/php-wechart/

Wechat.class.zip ( 2.3 KB 下载：429 次 )

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