PHP docking WeChat public Platform message Interface development process Tutorial _php Tutorial

First, write a good interface program

Upload the good one interface program files on your server, such as the http://www.yourdomain.com/weixin.php content as follows:

Copy CodeThe code is as follows: Define ("token", "Weixin");//The token that you define is the private key of a communication
$WECHATOBJ = new Wechatcallbackapitest ();
$WECHATOBJ->valid ();
$WECHATOBJ->responsemsg ();
Class Wechatcallbackapitest
{
Public Function Valid ()
{
$ECHOSTR = $_get["Echostr"];
if ($this->checksignature ()) {
Echo $echoStr;
Exit
}
}
Public Function responsemsg ()
{
$POSTSTR = $GLOBALS ["Http_raw_post_data"];
if (!empty ($POSTSTR)) {
$POSTOBJ = simplexml_load_string ($postStr, ' simplexmlelement ', libxml_nocdata);
$fromUsername = $POSTOBJ->fromusername;
$toUsername = $POSTOBJ->tousername;
$keyword = Trim ($postObj->content);
$time = time ();
$TEXTTPL = "
%s
%s
%s
%s
%s
0
";
if (!empty ($keyword))
{
$msgType = "text";
$contentStr = ' Hello, Dick Silk ';
$RESULTSTR = sprintf ($TEXTTPL, $fromUsername, $toUsername, $time, $msgType, $CONTENTSTR);
Echo $resultStr;
}else{
Echo ' Don't say ha ';
}
}else {
Echo ' Don't say ha ';
Exit
}
}

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;
}
}
}
?>

Second, configure the public platform reply interface

Set the reply interface, fill in the URL and token (URL fill the above http://www.yourdomain.com/weixin.php,token must be consistent with the token defined in the above program)

Third, authentication interface

With your own personal attention to your public account, send a message to this account in the past, received the original message back, that the verification was successful.

Iv. starting a custom reply

Comment out $wechatobj->valid (); This line, at the same time remove//$WECHATOBJ->responsemsg (); This line of comments.
You can modify the code inside the RESPONSEMSG function to reply to the user's different content based on the user's message type (' text ', ' image ', ' location ') and the message content.
Message interface can be used, send a message to try it?

1. Package weixin.class.php

Because public platform communication uses XML data in a specific format, every acceptance and reply is done with a lot of data processing.
We'll consider doing this on the basis of a package, weixin.class.php, code as follows:
Copy CodeThe code is as follows: Class Weixin
{
Public $token = ";//token
Public $debug = false;//is the status indicator of debug, which allows us to record some intermediate data while debugging
Public $setFlag = false;
Public $msgtype = ' text '; (' text ', ' image ', ' location ')
Public $msg = Array ();

Public function __construct ($token, $debug)
{
$this->token = $token;
$this->debug = $debug;
}
Get messages from users (message content and message type)
Public Function getmsg ()
{
$POSTSTR = $GLOBALS ["Http_raw_post_data"];
if ($this->debug) {
$this->write_log ($POSTSTR);
}
if (!empty ($POSTSTR)) {
$this->msg = (array) simplexml_load_string ($postStr, ' simplexmlelement ', libxml_nocdata);
$this->msgtype = strtolower ($this->msg[' msgtype ');
}
}
Reply text message
Public Function Maketext ($text = ")
{
$CreateTime = time ();
$FuncFlag = $this->setflag? 1:0;
$TEXTTPL = "
{$this->msg[' Fromusername ']}
{$this->msg[' Tousername ']}
{$CreateTime}
1
]>
%s
%s
";
Return sprintf ($TEXTTPL, $text, $FuncFlag);
}
Reply to a text message based on an array parameter
Public Function Makenews ($newsData =array ())
{
$CreateTime = time ();
$FuncFlag = $this->setflag? 1:0;
$newTplHeader = "
{$this->msg[' Fromusername ']}
{$this->msg[' Tousername ']}
{$CreateTime}
news
%s
%s ";
$newTplItem = "
<! [cdata[%s]]>
%s
%s
%s
";
$newTplFoot = "
%s
";
$Content = ";
$itemsCount = count ($newsData [' Items ']);
$itemsCount = $itemsCount < 10? $itemsCount: 10;//public Platform message reply up to 10 records at a time
if ($itemsCount) {
foreach ($newsData [' Items '] as $key = + $item) {
if ($key <=9) {
$Content. = sprintf ($newTplItem, $item [' title '], $item [' description '], $item [' Picurl '], $item [' url ']);
}
}
}
$header = sprintf ($newTplHeader, $newsData [' content '], $itemsCount);
$footer = sprintf ($newTplFoot, $FuncFlag);
Return $header. $Content. $footer;
}
Public function reply ($data)
{
if ($this->debug) {
$this->write_log ($data);
}
Echo $data;
}
Public Function Valid ()
{
if ($this->checksignature ()) {
if ($_server[' Request_method ']== ' GET ')
{
echo $_get[' Echostr '];
Exit
}
}else{
Write_log (' certification failed ');
Exit
}
}
Private Function Checksignature ()
{
$signature = $_get["signature"];
$timestamp = $_get["timestamp"];
$nonce = $_get["nonce"];

$TMPARR = Array ($this->token, $timestamp, $nonce);
Sort ($TMPARR);
$TMPSTR = implode ($TMPARR);
$TMPSTR = SHA1 ($TMPSTR);

if ($tmpStr = = $signature) {
return true;
}else{
return false;
}
}
Private Function Write_log ($log) {
This is where you record the debugging information, please refine it for intermediate debugging
}
}
?>

2. Call weixin.class.php

To put your public platform Master interface file (as previously defined in http://www.yourdomain.com/weixin.php), modify the code to:
Copy CodeThe code is as follows: Include_once (' weixin.class.php ');//referencing the newly defined message processing class
Define ("TOKEN", "Mmhelper");
Define (' DEBUG ', true);
$weixin = new Weixin (token,debug);//instantiation
$weixin->getmsg ();
$type = $weixin->msgtype;//Message type
$username = $weixin->msg[' fromusername '];//which user sent you the message, this $username is encrypted, but each user is one by one corresponding
if ($type = = = ' text ') {
if ($weixin->msg[' content ']== ' Hello2bizuser ') {//When the user first pays attention to your account, your public account will be subject to a "hello2bizuser" message
$reply = $weixin->maketext (' Welcome to your attention Oh, Dick Silk ');
}else{//This is where the user entered the text message
$keyword = $weixin->msg[' Content ']; User's text message content
Include_once ("chaxun.php");//Text message invoke query program
$chaxun = new Chaxun (DEBUG, $keyword, $username);
$results [' items '] = $chaxun->search ();//code for query

$reply = $weixin->makenews ($results);
}
}elseif ($type = = = ' Location ') {
The user sends the location information that will be processed later in the article
}elseif ($type = = = ' Image ') {
The user sends a picture that will be processed later in the article
}elseif ($type = = = ' Voice ') {
The user sends a sound that will be processed later in the article
}
$weixin->reply ($reply);
?>

3. Query code

You also need to format the query results in the database into a specific form
Copy the Code Code as follows: Public function Search () {
$record =array (); Defines an array of returned results
$list = $this->search ($this->keyword);//Common keyword Query database operation code you don't have to share.
if (Is_array ($list) &&!empty ($list)) {
foreach ($list as $msg) {
$record []=array (//The following code, formats the array returned by the query in the database as an array of returned messages to receive, i.e. title, description, Picurl, URL see Official document description
' title ' = $msg [' title '],
' Description ' = $msg [' discription '],
' Picurl ' = $msg [' Pic_url '],
' url ' = = $msg [' URL ']
);
}
}
return $record;
}
?>

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