<?php
class JSSDK {
private $appId;//appid
private $appSecret;//應用密鑰
// echo $appId;
// echo $appSecret;
public function __construct($appId, $appSecret) {
$this->appId = $appId;
$this->appSecret = $appSecret;
}
public function getSignPackage() {
$jsapiTicket = $this->getJsApiTicket();
$url = "http://$_SERVER[HTTP_HOST]$_SERVER[REQUEST_URI]";
$timestamp = time();
$nonceStr = $this->createNonceStr();
// 這里參數的順序要按照 key 值 ASCII 碼升序排序
$string = "jsapi_ticket=$jsapiTicket&noncestr=$nonceStr×tamp=$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;
}
public function getJsApiTicket() {
// jsapi_ticket 應該全局存儲與更新，以下代碼以寫入到文件中做示例
$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;
return $ticket;
}
public function getAccessToken() {
// access_token 應該全局存儲與更新，以下代碼以寫入到文件中做示例
$url = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=$this->appId&secret=$this->appSecret";
$res = json_decode($this->httpGet($url));
$access_token = $res->access_token;
return $access_token;
}
function httpGet($url){
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL,$url);
// curl_setopt($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);
$temp = curl_exec($ch);
curl_close($ch);
return $temp;
}
}
?>
<script src="http://res.wx.qq.com/open/js/jweixin-1.0.0.js"></script>
<?php
$jssdk = new JSSDK("you APPID", "you appSecret");
$signPackage = $jssdk->getSignPackage();
?>
<script>
// 注意：所有的JS接口只能在公眾號綁定的域名下調用，公眾號開發者需要先登錄微信公眾平臺進入“公眾號設置”的“功能設置”里填寫“JS接口安全域名”。
// 如果發現在 Android 不能分享自定義內容，請到官網下載最新的包覆蓋安裝，Android 自定義分享接口需升級至 6.0.2.58 版本及以上。
// 完整 JS-SDK 文檔地址：http://mp.weixin.qq.com/wiki/7/aaa137b55fb2e0456bf8dd9148dd613f.html
//https://mp.weixin.qq.com/wiki?action=doc&id=mp1421141115&t=0.5189975742348003#dlwz1
wx.config({
debug: true,//是否調試模式
appId: 'APPid',//切記更換APPID
timestamp: <?php echo $signPackage["timestamp"];?>,//必填，生成簽名的時間戳
nonceStr: '<?php echo $signPackage["nonceStr"];?>',// 必填，生成簽名的隨機串
signature: '<?php echo $signPackage["signature"];?>',// 必填，簽名
jsApiList: ['openLocation'] // 必填，需要使用的JS接口列表，多個之間用逗號隔開
});
wx.ready(function () {
wx.getLocation({
type: 'wgs84', // 默認為wgs84的gps坐標，如果要返回直接給openLocation用的火星坐標，可傳入'gcj02'
success: function (res) {
var latitude = res.latitude; // 緯度，浮點數，范圍為90 ~ -90
var longitude = res.longitude; // 經度，浮點數，范圍為180 ~ -180。
var speed = res.speed; // 速度，以米/每秒計
var accuracy = res.accuracy; // 位置精度
alert(latitude);
alert(longitude);
}
});
});
</script>
有不足之處還望提出。
