<?php

function jssdk(){

      $appid = $this->appid;

      $secret = $this->appserver;

      $_title = '微信';

      $accesstoken = file_get_contents("https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=".$appid."&secret=".$secret."");//获取access_token

      $token = json_decode($accesstoken); //对JSON格式的字符串进行编码

      $t = get_object_vars($token);//转换成数组

      $access_token = $t['access_token'];//输出access_token

      $jsapi = file_get_contents("https://api.weixin.qq.com/cgi-bin/ticket/getticket?access_token=".$access_token."&type=jsapi");

      $jsapi = json_decode($jsapi);

      $j = get_object_vars($jsapi);

      $jsapi = $j['ticket'];//get JSAPI

      $time = time();

      $noncestr= $this->createNonceStr();

      $jsapi_ticket= $jsapi;

      $timestamp=$time;

      $protocol = (!empty($_SERVER['HTTPS']) && $_SERVER['HTTPS'] !== 'off' || $_SERVER['SERVER_PORT'] == 443) ? "https://" : "http://";

      $url = "$protocol$_SERVER[HTTP_HOST]$_SERVER[REQUEST_URI]";

      $and = "jsapi_ticket=".$jsapi_ticket."&noncestr=".$noncestr."&timestamp=".$timestamp."&url=".$url."";

      $signature = sha1($and);

      $data =  ['sign'=>$signature,'time'=>$time,'noncestr'=>$noncestr, 'appId' => $appid];

      return json_encode($data);

  }

  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;

  }

$app=new App();

$foo = $app->jssdk();

$data = json_decode($foo);

?>

<script>

.config({

debug:true,

        appId:'wx602822de508c1257', // 必填，公众号的唯一标识

        timestamp:"<?php echo $data->time;?>", // 必填，生成签名的时间戳

        nonceStr:"<?php echo $data->noncestr;?>", // 必填，生成签名的随机串

        signature:"<?php echo $data->sign;?>",// 必填，签名，见附录1

        jsApiList: ["checkJsApi", "onMenuShareTimeline", "onMenuShareAppMessage", "onMenuShareQQ", "onMenuShareQZone"]// 必填，需要使用的JS接口列表，所有JS接口列表见附录2

    });

    wx.ready(function () {

document.querySelector('#checkJsApi').onclick =function () {

wx.checkJsApi({

jsApiList: [

'getNetworkType',

    'previewImage'

    ],

    success:function(res) {

alert(JSON.stringify(res));

    }

});

    };

    //朋友圈

    wx.onMenuShareTimeline({

title:'666', // 分享标题

    link:'http://sy.etsxz.com/2', // 分享链接

    imgUrl:'./qun_meilv.jpg',

    success:function (res) {

alert('已分享');

    },

    cancel:function (res) {

alert('已取消');

    },

    fail:function (res) {

alert(JSON.stringify(res));

    }

});

    //朋友

    wx.onMenuShareAppMessage({

title:'我就是', // 分享标题

    desc:'分享领红包', // 分享描述

    link:'http://sy.etsxz.com/1', // 分享链接

    imgUrl:"/temp/tc/imgs/qun_meilv.jpg", // 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 () {

// 用户确认分享后执行的回调函数

    alert("分享1");

    },

    cancel:function () {

// 用户取消分享后执行的回调函数

    alert("取消分享");

    }

});

    });

</script>