300字范文 > php 微信公众号分享自定义标题简介图片

php 微信公众号分享自定义标题简介图片

时间：2018-11-20 18:04:39

1、必须有认证的公众号

2、设置域名到JS接口安全域名

3、设置IP白名单

4、查看微信JS-SDK说明文档

文档

https://developers./doc/offiaccount/OA_Web_Apps/JS-SDK.html

** 示例代码：**

http://demo.open./jssdk/sample.zip

<?php// tp6 同一个controller目录下所以就直接可以 new 类$jssdk = new Jssdk("你的appId","您的appSecret");$signPackage = $jssdk->GetSignPackage();?>

PHP部分

<?phpnamespace app\index\controller;class Jssdk {private $appId;private $appSecret;public function __construct($appId, $appSecret) {$this->appId = $appId;$this->appSecret = $appSecret;}public function getSignPackage() {$jsapiTicket = getAccesstoken();// 注意 URL 一定要动态获取，不能 hardcode.$protocol = (!empty($_SERVER['HTTPS']) && $_SERVER['HTTPS'] !== 'off' || $_SERVER['SERVER_PORT'] == 443) ? "https://" : "http://";$url = "$protocol$_SERVER[HTTP_HOST]$_SERVER[REQUEST_URI]";$timestamp = time();$nonceStr = $this->createNonceStr();// 这里参数的顺序要按照 key 值 ASCII 码升序排序$string = "jsapi_ticket=$jsapiTicket&noncestr=$nonceStr&timestamp=$timestamp&url=$url";$signature = sha1($string);$signPackage = array("appId"=> $this->appId,"nonceStr" => $nonceStr,"timestamp" => $timestamp,"url" => $url,"signature" => $signature,"rawString" => $string);return $signPackage; }private function createNonceStr($length = 16) {$chars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";$str = "";for ($i = 0; $i < $length; $i++) {$str .= substr($chars, mt_rand(0, strlen($chars) - 1), 1);}return $str;}private function getJsApiTicket() {// jsapi_ticket 应该全局存储与更新，以下代码以写入到文件中做示例$accessToken = $this->getAccessToken();// 如果是企业号用以下 URL 获取 ticket// $url = "https://qyapi./cgi-bin/get_jsapi_ticket?access_token=$accessToken";$url = "https://api./cgi-bin/ticket/getticket?type=jsapi&access_token=$accessToken";$res = json_decode($this->httpGet($url));$ticket = $res->ticket;return $ticket;}private function getAccessToken() {// access_token 应该全局存储与更新，以下代码以写入到文件中做示例// 如果是企业号用以下URL获取access_token// $url = "https://qyapi./cgi-bin/gettoken?corpid=$this->appId&corpsecret=$this->appSecret";$url = "https://api./cgi-bin/token?grant_type=client_credential&appid=$this->appId&secret=$this->appSecret";$res = json_decode($this->httpGet($url));$access_token = $res->access_token;return $access_token;}/*** @Description: curl请求* @Author: Yang* @param $url* @param null $data* @param string $method* @param array $header* @param bool $https* @param int $timeout* @return mixed*/function httpGet($url, $data=null, $method='get', $header = array("content-type: application/json"), $https=true, $timeout = 5){$method = strtoupper($method);$ch = curl_init();//初始化curl_setopt($ch, CURLOPT_URL, $url);//访问的URLcurl_setopt($ch, CURLOPT_RETURNTRANSFER, true);//只获取页面内容，但不输出if($https){curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);//https请求不验证证书curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);//https请求不验证HOST}if ($method != "GET") {if($method == 'POST'){curl_setopt($ch, CURLOPT_POST, true);//请求方式为post请求}if ($method == 'PUT' || strtoupper($method) == 'DELETE') {curl_setopt($ch, CURLOPT_CUSTOMREQUEST, $method); //设置请求方式}curl_setopt($ch, CURLOPT_POSTFIELDS, $data);//请求数据}curl_setopt($ch, CURLOPT_TIMEOUT, $timeout);curl_setopt($ch, CURLOPT_HTTPHEADER, $header); //模拟的header头//curl_setopt($ch, CURLOPT_HEADER, false);//设置不需要头信息$result = curl_exec($ch);//执行请求curl_close($ch);//关闭curl，释放资源return $result;}}