Micro-channel customer smart reply applet sample code (PHP)

Write business logic file

 

use think \ Action; // curl method own package details, see Appendix
define ( "TOKEN", "you set the token");

class Customer extends Controller
{
// validate the server's URL address
public function checkServer(){
if (isset($_GET['echostr'])) {
$this->valid();
}else{
$this->responseMsg();
}
}

public function valid()
{
$echoStr = $_GET["echostr"];
if($this->checkSignature()){
header('content-type:text');
echo $echoStr;
exit;
}else{
echo $echoStr.'+++'.TOKEN;
exit;
}
}

private function checkSignature()
{
$signature = $_GET["signature"];
$timestamp = $_GET["timestamp"];
$nonce = $_GET["nonce"];

$token = TOKEN;
$tmpArr = array($token, $timestamp, $nonce);
sort($tmpArr, SORT_STRING);
$tmpStr = implode( $tmpArr );
$tmpStr = sha1( $tmpStr );

if( $tmpStr == $signature ){
return true;
}else{
return false;
}
}

public function responseMsg()
{
// Here is recommended to use file_get_contents ( 'php: // input') to obtain background data over the post
$postStr = file_get_contents('php://input');
if (!empty($postStr) && is_string($postStr)){
$postArr = json_decode($postStr,true);
if(!empty($postArr['MsgType']) && $postArr['MsgType'] == 'text'){
// user send a text message to the customer service
if($postArr['Content'] == 7){
// receive a text message to the specified trigger events
$ FromUsername = $ postArr [ 'FromUserName']; // 发送 者 openid
$ Media_id = 'upload picture id micro-channel server, see Part III'; // Enter the message you want to reply to the picture media_id
$this->requestIMAGE($fromUsername,$media_id);
}
}
else if(!empty($postArr['MsgType']) && $postArr['MsgType'] == 'image'){
// users to send picture messages to the customer, according to the needs set
}
else if($postArr['MsgType'] == 'event' && $postArr['Event']=='user_enter_tempsession'){
// user enters customer event
$ FromUsername = $ postArr [ 'FromUserName']; // 发送 者 openid
$ Content = 'Hello, welcome to customer service ***, what could it help you';
$this->requestTXT($fromUsername,$content);
}
else{
exit('error');
}
}else{
echo "empty";
exit;
}
}

// text reply
public function requestTXT($fromUsername,$content){
$data=array(
"touser"=>$fromUsername,
"msgtype"=>"text",
"text"=>array("content"=>$content)
);
$json = json_encode($data,JSON_UNESCAPED_UNICODE);
$this->requestAPI($json);
}

// photo Reply
public function requestIMAGE($fromUsername,$media_id){
$data=array(
"touser"=>$fromUsername,
"msgtype"=>"image",
"image"=>array("media_id"=>$media_id)
);
$json = json_encode($data,JSON_UNESCAPED_UNICODE);
$this->requestAPI($json);
}

public function requestAPI($json){
$access_token = $this->get_accessToken();
$ Action = new Action (); // curl Method own package, Appendix details
$url = "https://api.weixin.qq.com/cgi-bin/message/custom/send?access_token=".$access_token;
$output = $action->curl_post($url,$json);
if($output == 0){
echo 'success';
exit;
}
}

// call micro-channel api, get access_token, validity 7200s
public function get_accessToken(){
$ Url = 'https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid= your appid & secret = your secret key'; // replace their id and secret applet
$res = file_get_contents($url);
$data = json_decode($res,true);
$token = $data['access_token'];
return $token;
}
}

Reply to upload pictures to the micro-channel server

 

This is a temporary material interfaces, can exist only three days, the current applet does not support a permanent creative upload, only public support number

 

public function uploadWxMedia(){
$token = $this->get_accessToken();
$type = "image";
$ Filepath = Env :: get ( 'root_path') 'public \\ assets \\ imageName.png';. // absolute file path of the server, modify according to their storage location
$ Data = array ( "media" => new \ CURLFile ($ filepath)); //php5.6 above must upload this method
$url = "https://api.weixin.qq.com/cgi-bin/media/upload?access_token=".$token."&type=".$type;
$ Action = new Action (); curl // encapsulation method, Appendix
$result = $action->curl_post($url,$data);
print_r($result);
}

// call micro-channel api, get access_token, validity 7200s
public function get_accessToken(){
$ Url = 'https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid= your appid & secret = your secret key'; // replace their id and secret applet
$res = file_get_contents($url);
$data = json_decode($res,true);
$token = $data['access_token'];
return $token;
}

　　

Access uploadWxMedia () method would be to set a good image upload, returns a json data:

{"type":"image","media_id":"LTbNsi***************JqG","created_at":1558062553}

Media_id value which is used to fill in the second step into the picture in a reply

 

appendix

A method of packaging curl

namespace think;
class Action
{
// get way request interface
public function get_json($url)
{
$data = file_get_contents($url);
// into an array
$data = json_decode($data,true);
// output
return $data;
}
// post way request interface
public function curl_post($url,$data,$headers = null)
{
// $ data is an array () array; uncoded
$ Curl = curl_init (); // start a CURL session
if(substr($url,0,5)=='https'){
// skip the certificate check
curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false);
// Only when CURLOPT_SSL_VERIFYHOST CURL less than 7.28.1 supports the use of only 1 represents true, than this version you need to use 2 shows (true does not work).
curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, 2);
}
curl_setopt($curl, CURLOPT_URL, $url);
curl_setopt($curl, CURLOPT_HEADER, 0);
curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($curl, CURLOPT_CUSTOMREQUEST, "POST");
curl_setopt($curl, CURLOPT_POSTFIELDS, $data);
if($headers != null){
// post request carries header parameters
curl_setopt($curl, CURLOPT_HTTPHEADER, $headers);
}
// Returns the api json objects
$response = curl_exec($curl);
// Close the URL request
curl_close($curl);
// returns json objects
return $response;
}
}