<?php namespace app\index\controller; use think\Controller; use first\second\Location; class Index extends Controller { public function getLocation(){ $jssdk = new Location("你的appid", "你的AppSecret"); //实例化引入文件的类,并将2个参数传进去,自己在微信公众后台看 $signPackage = $jssdk->GetSignPackage(); //获取jsapi_ticket,生成JS-SDK权限验证的签名。 return view('getLocation',['signPackage'=>$signPackage]); } public function index() { return $this->fetch(); } }
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title></title> <script src="http://res.wx.qq.com/open/js/jweixin-1.0.0.js"></script> <script> <!--通过config接口注入权限验证配置,文档上有详细的说明--> wx.config({ debug: false, appId: '<?php echo $signPackage["appId"];?>', timestamp: <?php echo $signPackage["timestamp"];?>, nonceStr: '<?php echo $signPackage["nonceStr"];?>', signature: '<?php echo $signPackage["signature"];?>', jsApiList: [ // 所有要调用的 API 都要加到这个列表中 'checkJsApi', 'openLocation', 'getLocation' ] }); <!--通过ready接口处理成功验证--> wx.ready(function () { // 在这里调用 API <!--通过checkJsApi判断当前客户端版本是否支持指定获取地理位置--> wx.checkJsApi({ jsApiList: [ 'getLocation' ], success: function (res) { // alert(JSON.stringify(res)); // alert(JSON.stringify(res.checkResult.getLocation)); if (res.checkResult.getLocation == false) { alert('你的微信版本太低,不支持微信JS接口,请升级到最新的微信版本!'); return; } } }); <!--使用getLocation接口获取地理位置坐标--> wx.getLocation({ success: function (res) { console.log(res); var latitude = res.latitude; // 纬度,浮点数,范围为90 ~ -90 var longitude = res.longitude; // 经度,浮点数,范围为180 ~ -180。 var speed = res.speed; // 速度,以米/每秒计 var accuracy = res.accuracy; // 位置精度 alert('纬度位置:'+latitude+'经度位置:'+longitude+'位置精度:'+accuracy+'速度:'+speed);//弹出经纬度,就这样就获取到了用户的位置 }, cancel: function (res) { alert('用户拒绝授权获取地理位置'); } }); }); </script> </head> <body> <div class=""> <p>微信获取用户地理位置</p> </div> </body> </html>
<?php namespace first\second; class Location{ private $appId; private $appSecret; public function __construct($appId, $appSecret) { $this->appId = $appId; $this->appSecret = $appSecret; } public function getSignPackage() { $jsapiTicket = $this->getJsApiTicket(); // 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=$nonceStr×tamp=$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; } 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 $data = json_decode($this->get_php_file("../jsapi_ticket.php")); if ($data->expire_time < time()) { $accessToken = $this->getAccessToken(); // 如果是企业号用以下 URL 获取 ticket // $url = "https://qyapi.weixin.qq.com/cgi-bin/get_jsapi_ticket?access_token=$accessToken"; $url = "https://api.weixin.qq.com/cgi-bin/ticket/getticket?type=jsapi&access_token=$accessToken"; $res = json_decode($this->httpGet($url)); $ticket = $res->ticket; if ($ticket) { $data->expire_time = time() + 7000; $data->jsapi_ticket = $ticket; $this->set_php_file("jsapi_ticket.php", json_encode($data)); } } else { $ticket = $data->jsapi_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 $data = json_decode($this->get_php_file("../access_token.php")); if ($data->expire_time < time()) { // 如果是企业号用以下URL获取access_token // $url = "https://qyapi.weixin.qq.com/cgi-bin/gettoken?corpid=$this->appId&corpsecret=$this->appSecret"; $url = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=$this->appId&secret=$this->appSecret"; $res = json_decode($this->httpGet($url)); $access_token = $res->access_token; if ($access_token) { $data->expire_time = time() + 7000; $data->access_token = $access_token; $this->set_php_file("access_token.php", json_encode($data)); } } else { $access_token = $data->access_token; } return $access_token; } private function httpGet($url) { $curl = curl_init(); curl_setopt($curl, CURLOPT_RETURNTRANSFER, true); curl_setopt($curl, CURLOPT_TIMEOUT, 500); // 为保证第三方服务器与微信服务器之间数据传输的安全性,所有微信接口采用https方式调用,必须使用下面2行代码打开ssl安全校验。 // 如果在部署过程中代码在此处验证失败,请到 http://curl.haxx.se/ca/cacert.pem 下载新的证书判别文件。 curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false); curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, false); curl_setopt($curl, CURLOPT_URL, $url); $res = curl_exec($curl); curl_close($curl); return $res; } private function get_php_file($filename) { return trim(substr(file_get_contents($filename), 15)); } private function set_php_file($filename, $content) { $fp = fopen($filename, "w"); fwrite($fp, "<?php exit();?>" . $content); fclose($fp); } }
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