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Example of WeChat custom sharing function based on thinkPHP

高洛峰

Feb 21, 2017 pm 03:02 PM

The example in this article describes the WeChat custom sharing function based on thinkPHP. Share it with everyone for your reference. The details are as follows:

On many large websites, we will see that you can share data to WeChat or QQ or other platforms by clicking Share. Let’s take a look at a paragraph below. PHP version of WeChat custom sharing code, the code refers to the official development without any problems.

Sharing requires authentication of WeChat subscription account or service account.

php code (thinkphp):

$appid=&#39;xxx&#39;;
$appsecret=&#39;xxxx&#39;;
$timestamp = time();
$noncestr = $this->getRandStr(15);
// dump();
$url = &#39;https://api.weixin.qq.com/cgi-bin/ticket/getticket?access_token=&#39;. $this->get_token($appid,$appsecret) .&#39;&type=jsapi&#39;;
$ret_json = $this->curl_get_contents($url);
$ret = json_decode($ret_json);
$ticket = $ret-> ticket;
//var_dump($ret);
$strvalue = &#39;jsapi_ticket=&#39;.$ticket.&#39;&noncestr=&#39;.$noncestr.&#39;&timestamp=&#39;.$timestamp.&#39;&url=http://&#39;.$_SERVER[&#39;HTTP_HOST&#39;].$_SERVER[&#39;REQUEST_URI&#39;];
$signature = sha1($strvalue);
$this->assign(&#39;timestamp&#39;,$timestamp);
$this->assign(&#39;nonceStr&#39;,$noncestr);
$this->assign(&#39;signature&#39;,$signature);
function get_token($appid,$appsecret){
 if(S(&#39;access_token&#39;)) return S(&#39;access_token&#39;);
 $url = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=$appid&secret=$appsecret";
 $ret_json = $this->curl_get_contents($url);
 $ret = json_decode($ret_json);
 if($ret -> access_token){
 S(&#39;access_token&#39;,$ret -> access_token,7200);
 return $ret -> access_token;
 }
}
function is_weixin(){
if (strpos($_SERVER[&#39;HTTP_USER_AGENT&#39;], &#39;MicroMessenger&#39;) !== false ) {
return true;
}
return false;
}
function getRandStr($length){
 $str = &#39;abcdefghijklmnopqrstuvwxyz0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ&#39;;
 $randString = &#39;&#39;;
 $len = strlen($str)-1;
 for($i = 0;$i < $length;$i ++){
 $num = mt_rand(0, $len);
 $randString .= $str[$num];
 }
 return $randString;
}
function curl_get_contents($url){
 $ch = curl_init();
 curl_setopt($ch, CURLOPT_URL, $url);
 curl_setopt($ch, CURLOPT_TIMEOUT, 1);
 curl_setopt($ch, CURLOPT_MAXREDIRS, 200);
 curl_setopt($ch, CURLOPT_USERAGENT, _USERAGENT_);
 curl_setopt($ch, CURLOPT_REFERER, _REFERER_);
 @curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
 curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
 curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);
 curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
 $r = curl_exec($ch);
 curl_close($ch);
 return $r;
}

js code: Need to be imported: http://res.wx.qq.com/open/js/jweixin-1.0.0.js

wx.config({
 debug: false, // 開啟調(diào)試模式,調(diào)用的所有api的返回值會(huì)在客戶端alert出來，若要查看傳入的參數(shù)，可以在pc端打開，參數(shù)信息會(huì)通過log打出，僅在pc端時(shí)才會(huì)打印。
 appId: &#39;wxae7c36a1349c5868&#39;, // 必填，公眾號(hào)的唯一標(biāo)識(shí)
 timestamp: &#39;{$timestamp}&#39;, // 必填，生成簽名的時(shí)間戳
 nonceStr: &#39;{$nonceStr}&#39;, // 必填，生成簽名的隨機(jī)串
 signature: &#39;{$signature}&#39;,// 必填，簽名，見附錄1
 jsApiList: [&#39;onMenuShareTimeline&#39;,&#39;onMenuShareAppMessage&#39;] // 必填，需要使用的JS接口列表，所有JS接口列表見附錄2
});
wx.ready(function(){
wx.onMenuShareTimeline({
 title: &#39;{$contentInfo.title}&#39;, // 分享標(biāo)題
 link: window.location.href, // 分享鏈接
 imgUrl: &#39;http://&#39;+window.location.host+&#39;{$categoryInfo.image}&#39;, // 分享圖標(biāo)
 success: function () {
 // 用戶確認(rèn)分享后執(zhí)行的回調(diào)函數(shù)
 //alert(1111);
 //fxfunc();
 },
 cancel: function () {
 // 用戶取消分享后執(zhí)行的回調(diào)函數(shù)
 //alert("您取消了分享");
 }
});
wx.onMenuShareAppMessage({
 title: &#39;{$contentInfo.title}&#39;, // 分享標(biāo)題
 desc: removeHTMLTag(&#39;{$contentInfo.content}&#39;), // 分享描述
 link: window.location.href, // 分享鏈接
 imgUrl: &#39;http://&#39;+window.location.host+&#39;{$categoryInfo.image}&#39;, // 分享圖標(biāo)
 type: &#39;&#39;, // 分享類型,music、video或link，不填默認(rèn)為link
 dataUrl: &#39;&#39;, // 如果type是music或video，則要提供數(shù)據(jù)鏈接，默認(rèn)為空
 success: function () {
 // 用戶確認(rèn)分享后執(zhí)行的回調(diào)函數(shù)
 //fxfunc();
 },
 cancel: function () {
 //alert("您取消了分享");
 // 用戶取消分享后執(zhí)行的回調(diào)函數(shù)
 }
});
 // config信息驗(yàn)證后會(huì)執(zhí)行ready方法，所有接口調(diào)用都必須在config接口獲得結(jié)果之后，config是一個(gè)客戶端的異步操作，所以如果需要在頁(yè)面加載時(shí)就調(diào)用相關(guān)接口，則須把相關(guān)接口放在ready函數(shù)中調(diào)用來確保正確執(zhí)行。對(duì)于用戶觸發(fā)時(shí)才調(diào)用的接口，則可以直接調(diào)用，不需要放在ready函數(shù)中。
});
function removeHTMLTag(str) {
 str = str.replace(/<\/?[^>]*>/g,&#39;&#39;); //去除HTML tag
 str = str.replace(/[ | ]*\n/g,&#39;\n&#39;); //去除行尾空白
 //str = str.replace(/\n[\s| | ]*\r/g,&#39;\n&#39;); //去除多余空行
 str=str.replace(/ /ig,&#39;&#39;);//去掉 
 return str;
}

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