微信签名包类库之微信封装调用详解

why 101 2024-10-21 13:36:21

这篇文章主要介绍了微信封装的调用微信签名包的类库的相关资料,需要的朋友可以参考下

废话不多说了，直接给大家贴代码了，具体代码如下所示：


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<?php

namespace Home\Model;

use Think\Model;

class WechatModel extends Model {

private $_token = &#39;&#39;; //令牌

    private $appid;

    private $appsecret;

  public function __construct()

  {

    $this->appid = C(&#39;APPID&#39;);//公众号的appid

    $this->appsecret = C(&#39;APPSECRET&#39;);//公众号的秘钥

  }

  //调用js-sdk的签名包

  public function getSignPackage() {

  $jsapiTicket = $this->getJsApiTicket();

  // 注意 URL 一定要动态获取，不能 hardcode.（获取当前网页的url）

  $protocol = (!empty($_SERVER[&#39;HTTPS&#39;]) && $_SERVER[&#39;HTTPS&#39;] !== &#39;off&#39; || $_SERVER[&#39;SERVER_PORT&#39;] == 443) ? "https://" : "http://";

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

  //时间戳

  $timestamp = time();

  //随机字符串获取

  $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";

  //生成字符串是用来签名用的

  $signature = sha1($string);

  $signPackage = array(

   "appId"   => $this->appid,

   "nonceStr" => $nonceStr,

   "timestamp" => $timestamp,

   "url"    => $url,

   "signature" => $signature,

   "rawString" => $string

  );

  return $signPackage;

 }

 //使用会员卡领取的签名包

 public function getHuiYuanSignPackage() {

  $apiTicket = $this->getApiTicket();

  // 注意 URL 一定要动态获取，不能 hardcode.（获取当前网页的url）

  $protocol = (!empty($_SERVER[&#39;HTTPS&#39;]) && $_SERVER[&#39;HTTPS&#39;] !== &#39;off&#39; || $_SERVER[&#39;SERVER_PORT&#39;] == 443) ? "https://" : "http://";

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

  //时间戳

  $timestamp = time();

  //随机字符串获取

  // $nonceStr = $this->createNonceStr();

  // 这里参数的顺序要按照 key 值 ASCII 码升序排序

  $string = $timestamp.$apiTicket."car_id";//card_id为自己创建的会员卡的id

  //生成字符串是用来签名用的

  $signature = sha1($string);

  $signPackage = array(

   "timestamp" => $timestamp,

   "signature" => $signature,

  );

  return $signPackage;

 }

 //获取会员卡的api_ticket

 public function getApiTicket(){

 $data = json_decode(file_get_contents("api_ticket.json"));

  if ($data->expire_time < time()) {

   $accessToken = $this->getAccessToken();

   $url = "https://api.weixin.qq.com/cgi-bin/ticket/getticket?type=wx_card&access_token=$accessToken";

   $res = json_decode($this->httpGet($url));

   $ticket = $res->ticket;

   if ($ticket) {

    $data->expire_time = time() + 7000;

    $data->jsapi_ticket = $ticket;

    $fp = fopen("api_ticket.json", "w");

    fwrite($fp, json_encode($data));

    fclose($fp);

   }

  } else {

   $ticket = $data->jsapi_ticket;

  }

  return $ticket;

 }

 //获取随机字符串

 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;

 }

  //获取Access Token

  public function getAccessToken(){

  //将json字符串转换为json对象（json_encode是将数组转换为json字符串，json_decode("",true) 如果加true是将json字符串转化为php数组，不加true转换为PHP对象）

  $data = json_decode(file_get_contents("access_token.json"));

  if ($data->expire_time < time()) {

   // 如果是企业号用以下URL获取access_token

   $url = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=$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;

    $fp = fopen("access_token.json", "w");

    fwrite($fp, json_encode($data));

    fclose($fp);

 }

  } else {

   $access_token = $data->access_token;

  }

  return $access_token;

  }

 //获取jsapi_ticket(jsapi_ticket是公众号用于调用微信JS接口的临时票据)

  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(file_get_contents("jsapi_ticket.json"));

  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;

    $fp = fopen("jsapi_ticket.json", "w");

    fwrite($fp, json_encode($data));

    fclose($fp);

   }

  } else {

   $ticket = $data->jsapi_ticket;

  }

  return $ticket;

 }

  //获取用户的openid

  public function openId(){

  $url = $_SERVER[&#39;HTTP_HOST&#39;] . $_SERVER[&#39;REQUEST_URI&#39;];

    if (!isset($_GET[&#39;code&#39;])) {

     //获取组装的url

      $openidUrl = $this->snsapi_base($url);

      redirect($openidUrl);

    }else{

      $openidAccess_token = $this->openidAccess_token($_GET[&#39;code&#39;]);

      return $openidAccess_token;

    }

  }

   //获取微信用户的opnid

  public function getOpenId($openid,$access_token)

  {

    $userInfo = $this->getUserInfo($openid,$access_token);

    return $userInfo;

  }

   public function snsapi_base($redirect_uri, $scope = "snsapi_userinfo", $state = 0)

  {

    $appId = $this->appid;

    $url = "https://open.weixin.qq.com/connect/oauth2/authorize";

    $url .= "?appid=$appId";

    $url .= "&redirect_uri=http://$redirect_uri";

    $url .= "&response_type=code";

    $url .= "&scope=$scope";

    $url .= "&state=$state#wechat_redirect";

    return $url;

  }

public function openidAccess_token($code){

    $appId = $this->appid;

    $appSecret= $this->appsecret;

    $url = "https://api.weixin.qq.com/sns/oauth2/access_token?appid=$appId&secret=$appSecret&code=$code&grant_type=authorization_code";

    return json_decode($this->httpGet($url),true);

  }

  //获取用户信息

  public function getUserInfo($openid, $access_token){

  $url = "https://api.weixin.qq.com/sns/userinfo?access_token=$access_token&openid=$openid&lang=zh_CN ";

    return json_decode($this->httpGet($url),true);

   //请求

  }

private function httpGet($url) {

  $curl = curl_init();

  curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);

  curl_setopt($curl, CURLOPT_TIMEOUT, 500);

  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;

 }

}

以上就是微信封装的调用微信签名包的类库的详细内容。


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