微信封装的调用微信签名包的类库

namespaceHomeModel;

useThinkModel;

classWechatModelextendsModel {

private$_token=''//令牌

private$appid;

private$appsecret;

publicfunction__construct()

{

$this->appid = C('APPID');//公众号的appid

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

}

//调用js-sdk的签名包

publicfunctiongetSignPackage() {

$jsapiTicket=$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['HTTPS']) &&$_SERVER['HTTPS'] !=='off'||$_SERVER['SERVER_PORT'] == 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=$nonceStr×tamp=$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

publicfunctiongetHuiYuanSignPackage() {

$apiTicket=$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['HTTPS']) &&$_SERVER['HTTPS'] !=='off'||$_SERVER['SERVER_PORT'] == 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

publicfunctiongetApiTicket(){

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

if($data->expire_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

privatefunctioncreateNonceStr($length= 16) {

$chars="abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";

$str="";

for($i= 0;$i

$str.=substr($chars, mt_rand(0,strlen($chars) - 1), 1);

}

return$str;

}

//获取Access Token

publicfunctiongetAccessToken(){

//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

// 如果是企业号用以下URL获取access_token

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

privatefunctiongetJsApiTicket() {

// 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

$accessToken=$this->getAccessToken();

// 如果是企业号用以下 URL 获取 ticket

// $url = "https://qyapi.we*ixin.*q*q.com/cgi-bin/get_jsapi_ticket?access_token=$accessToken";

$url="https://api.*wei*xin.*qq.com/cgi-bin/ticket/getticket?type=jsapi&access_token=$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

publicfunctionopenId(){

$url=$_SERVER['HTTP_HOST'] .$_SERVER['REQUEST_URI'];

if(!isset($_GET['code'])) {

//获取组装的url

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

redirect($openidUrl);

}else{

$openidAccess_token=$this->openidAccess_token($_GET['code']);

return$openidAccess_token;

}

}

//获取微信用户的opnid

publicfunctiongetOpenId($openid,$access_token)

{

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

return$userInfo;

}

publicfunctionsnsapi_base($redirect_uri,$scope="snsapi_userinfo",$state= 0)

{

$appId=$this->appid;

$url="https://open.*w*ei*xin.qq.com/connect/oauth2/authorize";

$url.="?appid=$appId";

$url.="&redirect_uri=http://$*r*edirect*_uri";

$url.="&response_type=code";

$url.="&scope=$scope";

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

return$url;

}

publicfunctionopenidAccess_token($code){

$appId=$this->appid;

$appSecret=$this->appsecret;

$url="https://api.*we*ixin.q*q.com/sns/oauth2/access_token?appid=$appId&secret=$appSecret&code=$code&grant_type=authorization_code";

returnjson_decode($this->httpGet($url),true);

}

//获取用户信息

publicfunctiongetUserInfo($openid,$access_token){

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

returnjson_decode($this->httpGet($url),true);

//请求

}

privatefunctionhttpGet($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;

}

}