自己封装的微信分享类

[code=language-php]<?php

class WeixinShare{

public function curlGet($url,$data){

$ch = curl_init();

// get的变量

$getData="";

foreach($data as $key=>$value){

$getData.="$key=$value&";

}

$getData=substr($getData,0,strlen($getData)-1);

$url.="?".$getData;

//设置选项，包括URL

curl_setopt($ch, CURLOPT_URL, $url);

curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);

curl_setopt($ch, CURLOPT_HEADER, 0);

//执行并获取HTML文档内容

$output = curl_exec($ch);

//释放curl句柄

curl_close($ch);

$output=json_decode($output,true);

return $output;

}

private  function getAccesssToken($appId,$appSecret,$force=false){

$file=sys_get_temp_dir().'/access_token.json';

@$data=file_get_contents($file);

if($data)    $data=json_decode($data,true);

$now=time();

if(!$data || $data['create_time']+$data['expire_time']<=$now || $force){

$url="https://api.weixin.qq.com/cgi-bin/token";

$data=array(

'grant_type'=>'client_credential',

'appid'=>$appId,

'secret'=>$appSecret,

);

$result=$this->curlGet($url,$data);

$data=array(

'access_token'=>$result['access_token'],

'expire_time'=>$result['expires_in']-1800,

'create_time'=>time(),

);

$data=json_encode($data);

file_put_contents($file,$data);

}

return $data['access_token'];

}

private  function createRandomStr($length=16){

$str = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';//62个字符

$strlen = 62;

while($length > $strlen){

$str .= $str;

$strlen += 62;

}

$str = str_shuffle($str);

return substr($str,0,$length);

}

public function configWeixin(){

$appId="APP_ID";

$appSecret="APP_SECERT";

$data=array();

$data['appId']=$appId;

$accessToken=$this->getAccesssToken($appId,$appSecret);

$params=array(

'access_token'=>$accessToken,

'type'=>'jsapi'

);

$result=$this->curlGet("https://api.weixin.qq.com/cgi-bin/ticket/getticket",$params);

$jsapiTicket=$result['ticket'];

$nonceStr=$this->createRandomStr();

$timestamp=time();

$url=getgpc('shareUrl');

$string1=sprintf("jsapi_ticket=%s&noncestr=%s×tamp=%s&url=%s",$jsapiTicket,$nonceStr,$timestamp,$url);

$data['signature']=sha1($string1);

$data['nonceStr']=$nonceStr;

$data['timestamp']=$timestamp;

$share=array(

'title'=>'分享标题',

'link'=>'分享链接',

'desc'=>'分享的文字说明',

'imgUrl'=>'分享图标的地址'

);

$data['share']=$share;

echo json_encode($data);

}

}