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PHP微信和企业微信签名 签名算法签名生成规则如下：参与签名的参数有四个: noncestr（随机字符串）, jsapi_ticket, timestamp（时间戳）, url（当前网页的URL，不包含#及其后面部分）将这些参数使用URL键值对的格式 （即 key1=value1&key2=value2…）拼接成字符串string1。有两个注意点：1. 字段值采用原始值，不要进行URL转义；2. 必须严格按照如下格式拼接，不可变动字段顺序。（以上内容摘自企业微信开发文档）具体实现代码如下：index.php<? // 设置跨域请求头 header("Access-Control-Allow-Origin: *"); header('Access-Control-Allow-Headers: X-Requested-With,X_Requested_With'); include_once('Http.php'); // 如果存在缓存文件，用缓存文件中的信息初始化签名数据 $cacheData = array(); if (file_exists('cache.php')) { $cacheData = include_once('cache.php'); // 判断缓存信息是否过期，如果过期删除缓存文件，并将data重置 if (time() - $cacheData['timestamp']/1 >= 7200) { unlink('cache.php'); $cacheData = array(); } } // 企业号信息 $corpId = 'XXXXXXXXXXXXXXXXXX'; $agentId = 'XXXXXXX'; $secret = 'XXXXXXXXXXXXXXXXXXXXX'; $getTokenUrl = 'https://qyapi.weixin.qq.com/cgi-bin/gettoken?corpid='.$corpId.'&corpsecret='.$secret; $getTicketUrl = 'https://qyapi.weixin.qq.com/cgi-bin/get_jsapi_ticket?access_token='; // 生成nonce_str的方法--参数：生成的长度 function randomkeys($length) { $returnStr=''; $pattern = '1234567890abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ'; for($i = 0; $i < $length; $i ++) { $returnStr .= $pattern {mt_rand ( 0, 61 )}; } return $returnStr; } // 如果缓存文件中已经存在token if (isset($cacheData['access_token'])) { $token = $cacheData['access_token']; $onceStr = $cacheData['nonce_str']; $timeStamp = $cacheData['timestamp']; } else { $onceStr = randomkeys(16); $timeStamp = time(); // 请求微信接口获取access_token $data = json_decode(send_post($getTokenUrl, array()), true); $token = $data['access_token']; } $getTicketUrl = $getTicketUrl.$token; // 如果缓存文件中已经存在ticket $ticket = ''; if (isset($cacheData['access_token'])) { $ticket = $cacheData['jsapi_ticket']; } else { // 请求微信接口获取ticket $jsTicketRes = json_decode(send_post($getTicketUrl, array()), true); if ($jsTicketRes['errcode'] == 0) { $ticket = $jsTicketRes['ticket']; } } // 缓存ticket和accessToken的配置信息 $cacheData = array( 'jsapi_ticket' => $ticket, 'access_token' => $token, 'nonce_str' => $onceStr, 'timestamp' => $timeStamp ); // 签名的参数信息--参数的key值必须要按照ASCII码排序 $cacheParams = 'jsapi_ticket='.$ticket.'&noncestr='.$onceStr.'×tamp='.$timeStamp.'&url='.urldecode($_POST['signUrl']); // 生成签名的函数--php自带shal算法函数，直接调用即可 function makeSignature($args){ return sha1($args); } // 如果不存在缓存文件，则缓存， 否则不缓存 if (!file_exists('cache.php')) { $path = 'cache.php'; $str = '<?php return '; $str .= var_export($cacheData,true);//数组转字符串 $str .= ';'; file_put_contents($path,$str); } // 生成签名 $signature = makeSignature($cacheParams, $onceStr); // 返回签名信息 echo json_encode(array( 'signature' => $signature, 'timestamp' => $timeStamp, 'onceStr' => $onceStr )); ?> Http.php (http请求工具函数)<? /** * 发送post请求 * @param string $url 请求地址 * @param array $post_data post键值对数据 * @return string */ function send_post($url, $post_data, $type = 'GET') { $postdata = http_build_query($post_data); $options = array( 'http' => array( 'method' => $type, 'header' => 'Content-type:text/json', 'content' => $postdata, 'timeout' => 15 * 60 // 超时时间（单位:s） ) ); $context = stream_context_create($options); $result = file_get_contents($url, false, $context); return $result; } ?> cache.php(生成的access_token和ticket缓存文件)<?php return array ( 'jsapi_ticket' => 'HoagFKDcsGMVCIY2vOjf9i-5XABPegggM0ZkCdJVgMv_WFPkNNg94gBf3pfJ4E8ohxc4b5eXSYEjuq41TYtclA', 'access_token' => 'Kzz-XRg8MEdT3-CbQWcp4f_1VOIFhM-dpvGWUDHuIIYXRhnjF5Pa4F8apWZ7oBjgzS2kruL6LZjayiIx3yS1cr0oUlI1PqiFF9UZ9SlZLwem9JzHlWD02eqAWOTYlEd3JZk0o39D3TuKcn_XHBd4jFl9TCuVEqwe7KtHRheil61LXewtDwClaLznhWykJNYJbaSfpy0-pRmnTb6iwwHoyA', 'nonce_str' => 'CTjKeEp5nwskvgqn', 'timestamp' => 1524100235, );
