vue 微信分享,微信jssdk使用

艺达 发布于:2022-08-17 08:24:42

vue

methods: {
			wxgo(){
				// 微信分享
				let url = location.href.split("#")[0];
				axios.post(this.tui.imgUrl() + '/wxsdkjs/token.php',{url:url}).then(res=>{
					let result = res.data
					console.log(result)
					wx.config({
					
					            appId: result.appId,
					
					            nonceStr: result.nonceStr,
					
					            signature: result.signature,
					
					            timestamp: result.timestamp,
					
					            debug:false,// 开启调试模式,调用的所有api的返回值会在客户端alert出来,若要查看传入的参数,可以在pc端打开,参数信息会通过log打出,仅在pc端时才会打印。
					
					            jsApiList: ['updateAppMessageShareData','updateTimelineShareData']
					
					});
					
					
					 
					wx.ready(function() {
						 
							             var shareJsonData = {
							                 title: this.info.title, // 分享标题
							                 desc: this.info.description, // 分享描述
							                 link: location.href.split("#")[0], // 分享链接,该链接域名或路径必须与当前页面对应的公众号JS安全域名一致
							                 imgUrl: this.tui.imgUrl() + this.info.litpic// 分享图标
							             }
							             console.log(shareJsonData);
							  
							  
							             //“分享给朋友”及“分享到QQ”按钮的分享内容
							             wx.updateAppMessageShareData({
							                 title: shareJsonData.title, 
							                 desc: shareJsonData.desc,
							                 link: shareJsonData.link,
							                 imgUrl: shareJsonData.imgUrl,
							                 success: function () {}
							             });
							  
							             //“分享到朋友圈”及“分享到QQ空间”按钮的分享内容
							             wx.updateTimelineShareData({
							                 title: shareJsonData.title,
							                 link: shareJsonData.link,
							                 imgUrl: shareJsonData.imgUrl,
							                 success: function () {}
										});	
								
							}); 
				})
			}
		}


PHP 接口


token.php

<?php
 header('Access-Control-Allow-Origin:*');
 header('Access-Control-Allow-Headers:Origin, No-Cache, X-Requested-With, If-Modified-Since, Pragma, Last-Modified, Cache-Control, Expires, Content-Type, X-E4M-With, Authorization,security');
 header('Content-Type: application/json');
require_once "jssdk.php";
$jssdk = new JSSDK("wx4c458756334e", "261b330243cde7af0038573f3435b");
$signPackage = $jssdk->GetSignPackage();
echo json_encode($signPackage);
?>


jssdk.php

<?php
class JSSDK {
  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]";
    $url = $_POST['url'];

    $urls = file_get_contents("php://input");
    $urlq = json_decode($urls,true);
    $url = $urlq['url'];
    //print_r($url);

    $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() {
    // 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, true);
    curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, true);
    curl_setopt($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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