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微信現(xiàn)金紅包接口實(shí)現(xiàn)紅包發(fā)放：
一：流程：【
流程：微信用戶(hù)訪(fǎng)問(wèn)紅包活動(dòng)頁(yè)面--》后端判斷是否是微信訪(fǎng)問(wèn)的
【否：提示用微信打開(kāi)連接，是：提示用戶(hù)是否授權(quán)允許，獲取其的用戶(hù)信息【openID等信息】】--》
進(jìn)入紅包活動(dòng)頁(yè)面---》用戶(hù)點(diǎn)擊領(lǐng)取紅包【判斷是否領(lǐng)取過(guò)紅包】是：【提示已領(lǐng)取過(guò)紅包】否
--》后端程序調(diào)用接口發(fā)放紅包
--》微信用戶(hù)在微信中收到紅包
--》打開(kāi)紅包
--》紅包金額會(huì)添加到錢(qián)包零錢(qián)里
--》完成紅包發(fā)放。
】
二：要實(shí)現(xiàn)微信現(xiàn)金紅包接口實(shí)現(xiàn)紅包發(fā)放，首先要符合以下條件：
1.用于發(fā)放紅包的微信公眾號(hào)要是服務(wù)類(lèi)型
2.登錄微信公眾平臺(tái)官網(wǎng)后，在公眾平臺(tái)后臺(tái)管理頁(yè)面 - 開(kāi)發(fā)者中心頁(yè)，
點(diǎn)擊“修改配置”按鈕，填寫(xiě)服務(wù)器地址（URL）、Token和EncodingAESKey，
其中URL是開(kāi)發(fā)者用來(lái)接收微信消息和事件的接口URL。Token可由開(kāi)發(fā)者可以任意填寫(xiě)，
用作生成簽名（該Token會(huì)和接口URL中包含的Token進(jìn)行比對(duì)，從而驗(yàn)證安全性）。
EncodingAESKey由開(kāi)發(fā)者手動(dòng)填寫(xiě)或隨機(jī)生成，將用作消息體加解密密鑰。
3.獲取access_token：公眾號(hào)可以使用AppID和AppSecret調(diào)用本接口來(lái)獲取access_token。
【AppID和AppSecret可在微信公眾平臺(tái)官網(wǎng)-開(kāi)發(fā)者中心頁(yè)中獲得（需要已經(jīng)成為開(kāi)發(fā)者，且?guī)ぬ?hào)沒(méi)有異常狀態(tài)）?！?/p>
4.微信公眾號(hào)要開(kāi)通 “網(wǎng)頁(yè)授權(quán)接口” 用戶(hù)獲取用戶(hù)基本信息【特別是openID ，發(fā)紅包時(shí)用到】
5.微信公眾號(hào)的 “微信支付“ 中的 ”商戶(hù)號(hào)” 要開(kāi)通微信支付【發(fā)紅包的金額是該支付賬戶(hù)扣款】，開(kāi)通“現(xiàn)金紅包”接口【調(diào)用該接口發(fā)放紅包】。
6. 登陸 ”商戶(hù)號(hào)”【微信公眾號(hào)分配的商戶(hù)號(hào)。第5 中有說(shuō)明】 在 “API安全” 中 下載PHP版的 證書(shū) 【.pem格式】
以上如描述不清楚，請(qǐng)查看 微信開(kāi)發(fā)者文檔 里面有詳細(xì)的秒殺。
部分代碼如下【其余的請(qǐng)查看附件】：
<?php
namespace RedClient\Controller;
use Think\Controller;
use RedClient\Redpack\WeiXinInfo;
use RedClient\Redpack\Oauth;
use RedClient\Redpack\SendRedPack;
use RedClient\Redpack\CreateRedPack;
class IndexController extends Controller
{
public function index()
{
$this->isWeixin();//是否是微信打開(kāi)
if($this->access)
{
$this->display();
}
else
{
$class=new Oauth();
$class->index('http://www.myweb.com/index.php/Index/oauth');
}
}
//獲取用戶(hù)信息 openID
public function oauth()
{
$code=isset($_GET['code'])?strip_tags(trim($_GET['code'])):'';
$state=isset($_GET['state'])?strip_tags(trim($_GET['state'])):'';
$class=new Oauth();
$userInfo=$class->getCode($code,$state);//獲取用戶(hù)信息
if(!empty($userInfo['data']))
{
//$model=M('wxuser');
//$result=$model->where('openid = "'.$userInfo['data']->openid.'"')->field('openid')->select();
if(empty($result))
{
$userInfo['data']=$this->object2array($userInfo['data']);
$model->data($userInfo['data'])->add();
}
}
$userInfo['data']=$this->object2array($userInfo['data']);
//創(chuàng)建紅包
$class=new CreateRedPack();
$red=$class->redval();
//發(fā)紅包
$class=new SendRedPack();
$configs=array(
'send_name'=>'紅包發(fā)送者名稱(chēng)',//紅包發(fā)送者名稱(chēng)
're_openid'=>$userInfo['data']['openid'],//接受紅包的用戶(hù),用戶(hù)在wxappid下的openid
'total_amount'=>$red,//付款金額，單位分
'total_num'=>'1',//紅包發(fā)放總?cè)藬?shù)
'wishing'=>'紅包祝福語(yǔ)',//紅包祝福語(yǔ)
'client_ip'=>$_SERVER['SERVER_ADDR'],//調(diào)用接口的機(jī)器Ip地址
'act_name'=>'活動(dòng)名稱(chēng)',//活動(dòng)名稱(chēng)
'remark'=>'備注信息',// 備注信息
);
$class->setFields($configs);
$result=$class->requestXml();
//微信返回信息處理
if(strtoupper($result['return_code'])=='SUCCESS')
{
if(strtoupper($result['result_code'])=='SUCCESS')
{
//紅包發(fā)送成功!
$datas['flag']=1;
echo $result['err_code_des'];
}
else
{
//紅包發(fā)送失敗
$datas['flag']=0;
$datas['msg']=$result['err_code_des'];
echo $result['err_code_des'];
}
}
else
{
//紅包發(fā)送失敗
$datas['flag']=0;
$datas['msg']=$result['err_code_des'];
echo $result['err_code_des'];
}
}
public function isWeixin()
{
if (strpos($_SERVER['HTTP_USER_AGENT'], 'MicroMessenger') !== false)
{
$this->access=true;
}
return false;
}
//類(lèi)轉(zhuǎn)換成數(shù)組
public function object2array($object)
{
if (is_object($object))
{
foreach ($object as $key => $value)
{
$array[$key] = $value;
}
}
else
{
$array = $object;
}
return $array;
}
}
?><?php
namespace RedClient\Redpack;
/**
簡(jiǎn)單紅包算法類(lèi)
**/
class CreateRedPack
{
private $rid=0;//當(dāng)前紅包隨機(jī)數(shù)
private $rand_arr=array();//35%是1.0到1.1 紅包隨機(jī)數(shù)
private $rand_arr1=array();//35%是1.1到1.2 紅包隨機(jī)數(shù)
private $rand_arr2=array();//30%是1.2到1.95 紅包隨機(jī)數(shù)
private $red=0;//紅包金額
private $simplered=0;
private $red_config=array(
array('min'=>1.0,'max'=>1.1),
array('min'=>1.1,'max'=>1.2),
array('min'=>1.2,'max'=>1.95)
);
public function __construct()
{
$this->rid=mt_rand(1,10000);//當(dāng)前紅包隨機(jī)數(shù)
$this->rand_arr=range(1,3500);//35%是1.0到1.1
$this->rand_arr1=range(3501,7000);//35%是1.1到1.2
$this->rand_arr2=range(7001,10000);//30%是1.2到1.95
$this->simplered=666;
}
public function redval()
{
$maxrp=$this->maxred();//隨機(jī)最大紅包金額
if($maxrp!=$this->simplered)
{
if(in_array($this->rid,$this->rand_arr))
{
$red_val=$this->red_config[0];
$min=$red_val['min']*100;
$max=$red_val['max']*100;
$this->red=mt_rand($min,$max);
$this->red=$this->red/100;
}
elseif(in_array($this->rid,$this->rand_arr1))
{
$red_val=$this->red_config[1];
$min=$red_val['min']*100;
$max=$red_val['max']*100;
$red=mt_rand($min,$max);
$this->red=$this->red/100;
}
elseif(in_array($this->rid,$this->rand_arr2))
{
$red_val=$this->red_config[2];
$min=$red_val['min']*100;
$max=$red_val['max']*100;
$this->red=mt_rand($min,$max);
$this->red=$this->red/100;
}
}
else
{
$this->red=$maxrp;
}
return $this->red?$this->red:1;
}
protected function maxred()
{
$rid=mt_rand(1,100000);
$rid1=mt_rand(1,100000);
$red=0;
$dff=$rid-$rid1;
if($dff > 0)
{
if(($rid1%$rid1)==$this->simplered)
{
$red=$this->simplered;
}
}
else
{
if(($rid1%$rid)==$this->simplered)
{
$red=$this->simplered;
}
}
return $red;
}
}
?><?php
namespace RedClient\Redpack;
/*********
先在公共平臺(tái)配置授權(quán)的域名；
然后才能通過(guò)，
網(wǎng)頁(yè)授權(quán)方式獲取微信用戶(hù)基本信息
網(wǎng)頁(yè)授權(quán)流程分為四步：
1.引導(dǎo)用戶(hù)進(jìn)入授權(quán)頁(yè)面同意授權(quán)，獲取code
2.通過(guò)code換取網(wǎng)頁(yè)授權(quán)access_token（與基礎(chǔ)支持中的access_token不同）
3.如果需要，開(kāi)發(fā)者可以刷新網(wǎng)頁(yè)授權(quán)access_token，避免過(guò)期
4.通過(guò)網(wǎng)頁(yè)授權(quán)access_token和openid獲取用戶(hù)基本信息
**********/
class Oauth
{
protected $appid='';
protected $redirect_uri='';
protected $state='';//mt_rand(100,999);
protected $appsecret='';
protected $data=array('flag'=>0,'msg'=>'','data'=>'');
public function __construct()
{
$this->appid='appid';//
$this->appsecret='secret';//;
$this->state=mt_rand(100,999);
}
//引導(dǎo)用戶(hù)訪(fǎng)問(wèn)鏈接處理函數(shù)
public function index($redirect_uri)
{
$this->redirect_uri=urlencode($redirect_uri);//微信自動(dòng)跳轉(zhuǎn)到$redirect_uri
header('location:https://open.weixin.qq.com/connect/oauth3/authorize?appid='.$this->appid.'&redirect_uri='.$this->redirect_uri.'/oauth.php&response_type=code&scope=snsapi_userinfo&state='.$this->state.'&connect_redirect=1#wechat_redirect');
}
public function getCode($code='',$state='',$token='',$webToken='')
{
$data=array(
'errorno'=>'',
'errormsg'=>'',
'data'=>''
);
if(empty($code))
{
$this->data['flag']=0;
$this->data['msg']='授權(quán)失??！';
}
else
{ /*
1獲取webtoken
2獲取reflash_token
3獲取用戶(hù)信息
*/
$token_url = 'https://api.weixin.qq.com/sns/oauth3/access_token?appid='.$this->appid.'&secret='.$this->appsecret.'&code='.$code.'&grant_type=authorization_code';
$token = json_decode(file_get_contents($token_url));
if (isset($token->errcode))
{
$data['errorno']=$token->errcode;
$data['errormsg']=$token->errmsg;
}
else
{
$access_token_url = 'https://api.weixin.qq.com/sns/oauth3/refresh_token?appid='.$this->appid.'&grant_type=refresh_token&refresh_token='.$token->refresh_token;
//轉(zhuǎn)成對(duì)象
$accessToken = json_decode(file_get_contents($access_token_url));
if (isset($accessToken->errcode))
{
$data['errorno']=$token->errcode;
$data['errormsg']=$token->errmsg;
}
else
{
$user_info_url = 'https://api.weixin.qq.com/sns/userinfo?access_token='.$accessToken->access_token.'&openid='.$accessToken->openid.'&lang=zh_CN';
//轉(zhuǎn)成對(duì)象
$userInfo = json_decode(file_get_contents($user_info_url));
if (isset($userInfo->errcode))
{
$data['errorno']=$token->errcode;
$data['errormsg']=$token->errmsg;
}
else
{
$data['data']=$userInfo;
}
}
}
}
return $data;
}
}
?><?php
/******
用于企業(yè)向微信用戶(hù)個(gè)人發(fā)現(xiàn)金紅包
目前支持向指定微信用戶(hù)的openid發(fā)放指定金額紅包。
（獲取openid參見(jiàn)微信公眾平臺(tái)開(kāi)發(fā)者文檔：
網(wǎng)頁(yè)授權(quán)獲取用戶(hù)基本信息）
****/
namespace RedClient\Redpack;
class SendRedPack
{
private $config=array(
'nonce_str'=>'',//隨機(jī)字符串，不長(zhǎng)于32位
'sign'=>'',//簽名
'mch_billno'=>'',//商戶(hù)訂單號(hào)
'mch_id'=>'1111sdfsafsaddf',//微信支付分配的商戶(hù)號(hào)
'wxappid'=>'sddafdsadfdsafdsdd',//微信分配的公眾賬號(hào)ID
'send_name'=>'',//紅包發(fā)送者名稱(chēng)
're_openid'=>'',//接受紅包的用戶(hù),用戶(hù)在wxappid下的openid
'total_amount'=>'',//付款金額，單位分
'total_num'=>'',//紅包發(fā)放總?cè)藬?shù)
'wishing'=>'',//紅包祝福語(yǔ)
'client_ip'=>'',//調(diào)用接口的機(jī)器Ip地址
'act_name'=>'',//活動(dòng)名稱(chēng)
'remark'=>'',// 備注信息
);
protected $key='';
protected $url='https://api.mch.weixin.qq.com/mmpaymkttransfers/sendredpack';
protected $requestXml='';
//設(shè)置必要參數(shù)
public function setFields($conf=array())
{
foreach($conf as $k=>$v)
{
if(isset($this->config[$k]) && !empty($v))
{
$this->config[$k]=$v;
}
}
$this->config['mch_billno']=$this->billno();
$this->config['nonce_str']=$this->createNonceStr();
$this->createSign($conf);
$this->createXml();
//echo $this->requestXml;
}
protected function billno()
{
return $this->config['mch_id'].time().md5(mt_rand(1000,9999));
}
/* //檢查必要參數(shù)是否為空！
public function checkConfig()
{
$flag=true;
foreach($this->config as $k=>$v)
{
if(empty($v))
{
$flag=false;
break;
}
}
} */
//隨機(jī)字符串，不長(zhǎng)于32位
public function createNonceStr( $len=32 )
{
$strs = "abcdefghijklmnopqrstuvwxyz0123456789";
$str ="";
$len=$len<=32?$len:32;
for ( $i = 0; $i < $len; $i++ )
{
$str.= substr($strs, mt_rand(0, strlen($strs)-1), 1);
}
return $str;
}
//格式化參數(shù)
public function formatParam($config=array(),$flag=1)
{
$format='';
if(!empty($config))
{
ksort($config);
foreach($config as $k=>$v)
{
if($flag)
{
$v=urlencode($v);
}
if($flag==0 && strtolower($k)=='sign')
{
continue;
}
$format.=$k.'='.$v.'&';
}
$format=trim($format,'&');
}
return $format;
}
//創(chuàng)建SIGNATURE
protected function createSign($config)
{
$format=$this->formatParam($config,0);
$format.='&key='.$this->key;
$signature=strtoupper(md5($format));
$this->config['sign']=$signature;
return true;//$signature;
}
//創(chuàng)建xml格式數(shù)據(jù)
protected function createXml()
{
$xml='<xml>';
foreach($this->config as $k=>$v)
{
if(!empty($v))
{
$xml.='<'.$k.'><![CDATA['.$v.']]></'.$k.'>';
}
}
$xml.='</xml>';
$this->requestXml=$xml;
}
//XML格式數(shù)據(jù)轉(zhuǎn)換為數(shù)組
public function createArray($xml='')
{
$arr = json_decode(json_encode(simplexml_load_string($xml, 'SimpleXMLElement', LIBXML_NOCDATA)), true);
return $arr;
}
//發(fā)送紅包
public function requestXml($timeout=30,$header=array())
{
$ch = curl_init();
//超時(shí)時(shí)間
curl_setopt($ch,CURLOPT_TIMEOUT,$timeout);
curl_setopt($ch,CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch,CURLOPT_URL,$this->url);
curl_setopt($ch,CURLOPT_SSL_VERIFYPEER,false);
curl_setopt($ch,CURLOPT_SSL_VERIFYHOST,false);
//默認(rèn)格式為PEM，可以注釋
curl_setopt($ch,CURLOPT_SSLCERTTYPE,'PEM');
curl_setopt($ch,CURLOPT_SSLCERT,dirname(__FILE__).'/apiclient_cert.pem');//pem證書(shū)地址
//默認(rèn)格式為PEM，可以注釋
curl_setopt($ch,CURLOPT_SSLKEYTYPE,'PEM');
curl_setopt($ch,CURLOPT_SSLKEY,dirname(__FILE__).'/apiclient_key.pem');//key證書(shū)地址
curl_setopt($ch,CURLOPT_CAINFO,'PEM');
curl_setopt($ch,CURLOPT_CAINFO,dirname(__FILE__).'/rootca.pem');//CA證書(shū)地址
//兩個(gè)文件合成一個(gè).pem文件
//curl_setopt($ch,CURLOPT_SSLCERT,getcwd().'/all.pem');
if( count($header) >= 1 )
{
curl_setopt($ch, CURLOPT_HTTPHEADER, $header);
}
curl_setopt($ch,CURLOPT_POST, 1);
curl_setopt($ch,CURLOPT_POSTFIELDS,$this->requestXml);
$data = curl_exec($ch);
var_dump($data);
if($data)
{
curl_close($ch);
var_dump($data);
return $data;
}
else
{
$error = curl_errno($ch);
echo 'ERROR:'.$error;
curl_close($ch);
return false;
}
}
//返回非空值，非NULL
public function notEmpty($val='')
{
$return='';
if(null !=$val && strlen($val) != 0)
{
$return=$val;
}
return $return?$return:false;
}
}
?><?php
namespace RedClient\Redpack;
class WeiXinInfo
{
private $AppID='appid';
private $AppSecret='secret';
private $grant_type='client_credential';
private $url='https://api.weixin.qq.com/cgi-bin/token';
public function __construct()
{
//$arr=array('access_token'=>'1','expires'=>'7200');
}
//設(shè)置獲取ACCESSTOKEN 的URL
public function setUrl()
{
return $this->url=$this->url.'?grant_type='.$this->grant_type.'&appid='.$this->AppID.'&secret='.$this->AppSecret;
}
//獲取APPID,SECRET
public function getAppid()
{
$sql='select appid,secret from ly_appid where flag=1';
$model=M();
$result=$model->query($sql);
if(!empty($result))
{
$this->AppID=$result[0]['appid'];
$this->AppSecret=$result[0]['secret'];
return $result[0];
}
}
public function object2array($object)
{
if (is_object($object))
{
foreach ($object as $key => $value)
{
$array[$key] = $value;
}
}
else
{
$array = $object;
}
return $array;
}
//檢驗(yàn)URL有效
public function checkUrl()
{
$signature=isset($_GET['signature'])?strip_tags(trim($_GET['signature'])):'';
$timestamp=isset($_GET['timestamp'])?strip_tags(trim($_GET['timestamp'])):'';
$nonce=isset($_GET['nonce'])?strip_tags(trim($_GET['nonce'])):'';
$echostr=isset($_GET['echostr'])?$_GET['echostr']:'';
if(!empty($signature) && !empty($timestamp) && !empty($nonce))
{
if($this->checkSign($signature,$timestamp,$nonce))
{
echo $echostr;
return true;
}
else
{
return false;
}
}
}
//驗(yàn)證SIGNATURE是否有效
private function checkSign($sign,$timestamp,$nonce)
{
$token=$this->getAccessToken();
//$token=$this->object2array($token);
$sign_arr=array($token,$timstamp,$nonce);
sort($sign_arr,SORT_STRING);
$signStr=implode($sign_arr);
$signStr=sha1($signStr);
if(strtoupper($signStr)==strtoupper($sign))
{
return true;
}
return false;
}
//通過(guò)微信接口獲取微信Access_Token
public function getAccessToken()
{
$token='';
$this->setUrl();
$check=$this->checkToken();
if(session('?'.md5('getaccesstoken')) && $check)
{
$tokens=session(md5('getaccesstoken'));
$token=$tokens->access_token;
}
else
{
$result=file_get_contents($this->url);
$result=json_decode($result);
$token=$result->access_token;
$result->expires_in=$result->expires_in+time();
session(md5('getaccesstoken'),$result);
}
return $token;
}
//檢查微信ACCESS_TOKEN是否有效
public function checkToken()
{
if(session('?'.md5('getaccesstoken')) && session(md5('getaccesstoken')))
{
$time=time();
$token=session(md5('getaccesstoken'));
if($token->expires_in-$time > 30)
{
return true;
}
else
{
session(md5('getaccesstoken'),null);
}
}
return false;
}
//保存微信ACCESSTOKEN到數(shù)據(jù)庫(kù)
public function saveAccessToken()
{
$token=$this->getAccessToken();
$sql='select `id`,`rate`,token,ex_time,createtime from ly_token where token="'.$token.'" where appid="'.$this->AppID.'" AND secret="'.$this->AppSecret.'"';
$model=M();
$result=$model->query($sql);
if(!empty($result))
{
$time=time();
$expires=$time-$result[0]['createtime'];
if($result[0]['ex_time']-$expires > 0)
{
return $result[0]['token'];
}
else
{
$token=$this->getAccessToken();
if(!empty($token))
{
$token=json_decode($token);
if(!isset($token['errcode']) or !$token['errcode'])
{
if(isset($token['access_token']) && $token['access_token'])
{
$data['access_token']=$token['access_token'];
$data['createtime']=$time;
$data['ex_time']=$token['expires_in'];
$data['rate']=$result[0]['rate']+1;
//$sql='update ly_token set token="'.$token['access_token'].'" ,createtime='.$time.',ex_time='.$token['expires_in'].' where `id`='.$result[0]['id'];
$model=M('token');
$update=$model->where('`id`='.$result[0]['id'])->save($data);
if($update)
{
return $token['access_token'];
}
}
}
else
{//微信返回的錯(cuò)誤信息
$data['errcode']=$token['errcode'];
$data['errmsg']=$token['errmsg'];
$data['appid']=$this->AppID;
$data['secret']=$this->AppSecret;
$data['createtime']=time();
$data['rate']=$result[0]['rate']+1;
$ein=$model->where('`id`='.$result[0]['id'])->save($data);
if($ein)
{
return false;
}
}
}
}
}
else
{//新插入數(shù)據(jù)庫(kù)保存
$token=$this->getAccessToken();
$model=M('token');
if(!empty($token))
{
$data=array();
$token=json_decode($token);
if(!isset($token['errcode']) or !$token['errcode'])
{
if(isset($token['access_token']) && $token['access_token'])
{
$data['access_token']=$token['access_token'];
$data['createtime']=$time;
$data['ex_time']=$token['expires_in'];
//$sql='insert into ly_token() vlaues()';
$data['rate']=1;
$in=$model->data($data)->add();
if($ein)
{
$token['access_token'];
}
}
}
else
{//微信返回的錯(cuò)誤信息
$data['errcode']=$token['errcode'];
$data['errmsg']=$token['errmsg'];
$data['appid']=$this->AppID;
$data['secret']=$this->AppSecret;
$data['createtime']=time();
$data['rate']=1;
$ein=$model->data($data)->add();
if($ein)
{
return false;
}
}
}
}
return false;
}
}
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