基于微信公众平台开发SDK(demo)扩展例子

作者：袖梨 2022-06-24

源码：

代码如下

复制代码

define("TOKEN", "xingans");

$wechatObj = new wechatCallbackapiTest();

$wechatObj->responseMsg();

class wechatCallbackapiTest
{
//签名验证公共接口
public function valid()
{
$echoStr = $_GET["echostr"];

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

//主入口处理函数
public function responseMsg()
{
$postStr = $GLOBALS["HTTP_RAW_POST_DATA"];

if (!empty($postStr)){

$postObj = simplexml_load_string($postStr, 'SimpleXMLElement', LIBXML_NOCDATA);

$msgType=trim($postObj->MsgType);

switch($msgType){
case 'text':
$resultStr=$this->handleText($postObj);
break;
case 'event':
$resultStr=$this->handleEvent($postObj);
break;
default:
$resultStr=$this->handleDefault($postObj);
break;
}

echo $resultStr;

}else {
echo "Error";
exit;
}
}

//处理文本消息
private function handleText($obj){

$keyword=trim($obj->Content);

if(preg_match('/天气/',$keyword)){
$contentStr=$this->handleWeather($obj);
}elseif(preg_match('/翻译/',$keyword)){
$contentStr=$this->handleTranslation($obj);
}else{
$contentStr=$this->handleChat($obj);
}

return $this->handleStr($obj,$contentStr);

}

//处理天气
private function handleWeather($obj){
$keyword=mb_substr($obj->Content,-2,2,'utf-8');
$zone=mb_substr($obj->Content,0,-2,'utf-8');

if($keyword=='天气' && !empty($zone)){

$zoneArr=json_decode(file_get_contents('http://api.k780.com:88/?app=weather.city&format=json'),true);
$zoneArr=$zoneArr['result'];

$cityId='';

foreach($zoneArr as $value){
if($zone==$value['citynm']){
$cityId=$value['weaid'];
break;
}
}

if(!empty($cityId)){
$data=file_get_contents("http://api.k780.com:88/?app=weather.today&weaid=$cityId&appkey=10638&sign=3736578f099375665f9f141a6326b757&format=json");

$data=json_decode($data);

$contentStr="今天是:".$data->result->days.",".$data->result-> week.",".$data->result->citynm."天气:".$data->result->weather."n温度:".$data->result->temperature.",
".$data->result->wind_direction.",".$data->result->wind_power.", 最低温度:".$data->result->temp_low.",最高温度:".$data->result->temp_high;
}else{
$contentStr='找不到输入的城市!';
}

}else{
$contentStr='输入的查询格式不正确!';
}

return $contentStr;
}

//处理翻译
private function handleTranslation($obj){
$keyword=mb_substr($obj->Content,0,2,'utf-8');
$words=mb_substr($obj->Content,2,220,'utf-8');

if($keyword=='翻译' && !empty($words)){
$data=file_get_contents('http://fanyi.youdao.com/openapi.do?keyfrom=zfsblog&key=364295447&type=data&doctype=json&version=1.1&q='.urlencode($words));
$data=json_decode($data,true);

switch($data['errorCode']){
case '0':
$contentStr=$data['translation'][0];
break;
case '20':
$contentStr='要翻译的文本过长';
break;
case '30':
$contentStr='无法进行有效的翻译';
break;
case '40':
$contentStr='不支持的语言类型';
break;
case '50':
$contentStr='无效的key';
break;
default:
$contentStr='Error';
break;
}

}else{
$contentStr='输入的翻译格式不正确!';
}

return $contentStr;
}

//处理聊天信息
private function handleChat($obj){
$keywords=$obj->Content;

$curlPost=array("chat"=>$keywords);

$ch = curl_init();//初始化curl
curl_setopt($ch, CURLOPT_URL,'http://www.xiaojo.com/bot/chata.php');//抓取指定网页
curl_setopt($ch, CURLOPT_HEADER, 0);//设置header
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);//要求结果为字符串且输出到屏幕上
curl_setopt($ch, CURLOPT_POST, 1);//post提交方式
curl_setopt($ch, CURLOPT_POSTFIELDS, $curlPost);
$data = curl_exec($ch);//运行curl
curl_close($ch);

if(!empty($data)){
$contentStr=$data;
}else{
$ran=rand(1,5);

switch($ran){
case 1:
$contentStr= "小九今天累了，明天再陪你聊天吧";
break;
case 2:
$contentStr= "小九睡觉喽~~";
break;
case 3:
$contentStr= "呼呼~~呼呼~~";
break;
case 4:
$contentStr= "你话好多啊，不跟你聊了";
break;
case 5:
$contentStr= "你话好多啊，不跟你聊了";
break;
}
}

return $contentStr;
}

//创建自定义菜单
public function createMenu($data,$token){
$ch = curl_init();

curl_setopt($ch, CURLOPT_URL, "https://api.weixin.qq.com/cgi-bin/menu/create?access_token=".$token);
curl_setopt($ch, CURLOPT_CUSTOMREQUEST, "POST");
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
curl_setopt($ch, CURLOPT_USERAGENT, 'Mozilla/5.0 (compatible; MSIE 5.01; Windows NT 5.0)');
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
curl_setopt($ch, CURLOPT_AUTOREFERER, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, $data);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);

$result = curl_exec($ch);

curl_close($ch);

return $result;
}

//查询自定义菜单
function getMenu($token){
$url="https://api.weixin.qq.com/cgi-bin/menu/get?access_token=$token";

$ch = curl_init($url);

curl_setopt($ch, CURLOPT_RETURNTRANSFER,true) ; //获取数据返回
curl_setopt($ch, CURLOPT_BINARYTRANSFER,true) ; //在启用 CURLOPT_RETURNTRANSFER 时候将获取数据返回
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER,false);
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST,false);

return $output = curl_exec($ch);
}

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

$ch = curl_init();

curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);

$result = curl_exec($ch);

curl_close($ch);

return $result;
}

//处理事件消息
private function handleEvent($obj){

$content='';

switch($obj->Event){
case 'subscribe':
$content.="welcome-欢迎关注该公众号号!";
break;
case 'unsubscribe':
$content.="感谢您一直以来对该公众号的关注,再见!";
break;
default:
$content.="";
break;
}

return $this->handleStr($obj,$content);
}

//处理回复消息字符串
private function handleStr($obj,$content='',$flag=0){
$textTpl = "

%s

%d
";

return sprintf($textTpl, $obj->FromUserName, $obj->ToUserName, time(), $content,$flag);
}

//签名验证函数
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;
}
}
}

?>

测试结果：

基于微信公众平台开发SDK(demo)扩展例子

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