//定义JSSDK类
<?PHP
class JSSDK
{
private $appId;
private $appSecret;
private $redis;
public function __construct($appId,$appSecret) {
$this->appId = $appId;
$this->appSecret = $appSecret;
$this->redis = new Redis();
}
public function getSignPackage() {
$jsapiTicket = $this->getJsApiTicket();
$url = "http://$_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() {
$data = $this->redis->get("wx_jsapi_ticket");
if ($data) {
$ticket = $data->jsapi_ticket;
} else {
$accessToken = $this->getAccessToken();
$url = "https://api.weixin.qq.com/cgi-bin/ticket/getticket?type=jsapi&access_token=$accessToken";
$res = json_decode($this->httpGet($url));
$ticket = $res->ticket;
if ($ticket) {
$this->redis->setEx("wx_jsapi_ticket",7000,$ticket);
}
}
return $ticket;
}
private function getAccessToken() {
$data = $this->redis->get("wx_access_token");
if ($data) {
$access_token = $data->access_token;
} else {
$url = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=$this->appId&secret=$this->appSecret";
$res = json_decode($this->httpGet($url));
$access_token = $res->access_token;
if ($access_token) {
$this->redis->setEx("wx_access_token",$access_token);
}
}
return $access_token;
}
private function httpGet($url) {
$curl = curl_init();
curl_setopt($curl,CURLOPT_RETURNTRANSFER,true);
curl_setopt($curl,CURLOPT_TIMEOUT,500);
curl_setopt($curl,CURLOPT_URL,$url);
$res = curl_exec($curl);
curl_close($curl);
return $res;
}
}
?>
js调用
//调用
<?PHP
require("jssdk.PHP");
$jssdk = new JSSDK($appid,$appSecret);
//返回签名基本信息
$signPackage = $jssdk->getSignPackage();
?>
//页面接受PHP传过来的签名参数 $signPackage
<script src="http://res.wx.qq.com/open/js/jweixin-1.0.0.js"></script>
<script>
// 注意：所有的JS接口只能在公众号绑定的域名下调用，公众号开发者需要先登录微信公众平台进入“公众号设置”的“功能设置”里填写“JS接口安全域名”。
// 如果发现在 Android 不能分享自定义内容，请到官网下载最新的包覆盖安装，Android 自定义分享接口需升级至 6.0.2.58 版本及以上。
// 完整 JS-SDK 文档地址：http://mp.weixin.qq.com/wiki/7/aaa137b55fb2e0456bf8dd9148dd613f.html
wx.config({
appId: '<?PHP echo $signPackage["appId"];?>',
timestamp: <?PHP echo $signPackage["timestamp"];?>,
nonceStr: '<?PHP echo $signPackage["nonceStr"];?>',
signature: '<?PHP echo $signPackage["signature"];?>',
jsApiList: [
"onMenuShareTimeline",
"onMenuShareAppMessage",
"onMenuShareQQ",
"onMenuShareWeibo",
"onMenuShareQZone",
]
});
wx.ready(function () {
// 在这里调用 API
wx.checkJsApi({
jsApiList: ["onMenuShareTimeline",],// 需要检测的JS接口列表，所有JS接口列表见附录2,
success: function(res) {
alert(JSON.stringify(res));
if(res.errMsg !='checkJsApi:ok'){
alert('请升级您的微信版本');
return;
}
}
});
//分享Demo
wx.onMenuShareTimeline({
imgUrl: '',// 分享图标
success: function () {
},
cancel: function () {
}
});
wx.onMenuShareAppMessage({
desc: '',// 分享描述
link: '',// 分享图标
type: '',// 分享类型,music、video或link，不填默认为link
dataUrl: '',// 如果type是music或video，则要提供数据链接，默认为空
success: function () {
},
cancel: function () {
}
});
wx.onMenuShareQQ({
title: '',
cancel: function () {
}
});
wx.onMenuShareWeibo({
title: '',
cancel: function () {
}
});
wx.onMenuShareQZone({
title: '',
cancel: function () {
}
});
});