PHP微信支付开发过程,分享给大家,供大家参考,具体内容如下 
1.开发环境  
Thinkphp 3.2.3  
微信:服务号,已认证  
开发域名:http://test.paywechat.com (自定义的域名,外网不可访问) 
2.需要相关文件和权限  
微信支付需申请开通  
微信公众平台开发者文档:http://mp.weixin.qq.com/wiki/home/index.html  
微信支付开发者文档:https://pay.weixin.qq.com/wiki/doc/api/index.html  
微信支付SDK下载地址:https://pay.weixin.qq.com/wiki/doc/api/jsapi.php?chapter=11_1 
3.开发  
下载好微信支付PHP版本的SDK,文件目录为下图:  
 
  
 把微信支付SDK的Cert和Lib目录放入Thinkphp,目录为  
  
  
 
 
  
现在介绍微信支付授权目录问题,首先是微信支付开发配置里面的支付授权目录填写,  
  
 
然后填写JS接口安全域。  
 
 
 
 
最后设置网页授权  
 
[/url] 
这些设置完,基本完成一半,注意设置的目录和我thinkphp里面的目录。  
 
 
4.微信支付配置 
 
把相关配置填写正确。 
[url=http://www.jb51.net/article/87150.htm#]? 
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 | /** 
* 配置账号信息 
*/ 
 
class WxPayConfig 
{ 
 //=======【基本信息设置】===================================== 
 // 
 /** 
 * TODO: 修改这里配置为您自己申请的商户信息 
 * 微信公众号信息配置 
 *  
 * APPID:绑定支付的APPID(必须配置,开户邮件中可查看) 
 *  
 * MCHID:商户号(必须配置,开户邮件中可查看) 
 *  
 * KEY:商户支付密钥,参考开户邮件设置(必须配置,登录商户平台自行设置) 
 * 设置地址:https://pay.weixin.qq.com/index.php/account/api_cert 
 *  
 * APPSECRET:公众帐号secert(仅JSAPI支付的时候需要配置, 登录公众平台,进入开发者中心可设置), 
 * 获取地址:https://mp.weixin.qq.com/advanced/advanced?action=dev&t=advanced/dev&token=2005451881&lang=zh_CN 
 * @var string 
 */ 
 const APPID = ''; 
 const MCHID = ''; 
 const KEY = ''; 
 const APPSECRET = ''; 
 
 //=======【证书路径设置】===================================== 
 /** 
 * TODO:设置商户证书路径 
 * 证书路径,注意应该填写绝对路径(仅退款、撤销订单时需要,可登录商户平台下载, 
 * API证书下载地址:https://pay.weixin.qq.com/index.php/account/api_cert,下载之前需要安装商户操作证书) 
 * @var path 
 */ 
 const SSLCERT_PATH = '../cert/apiclient_cert.pem'; 
 const SSLKEY_PATH = '../cert/apiclient_key.pem'; 
 
 //=======【curl代理设置】=================================== 
 /** 
 * TODO:这里设置代理机器,只有需要代理的时候才设置,不需要代理,请设置为0.0.0.0和0 
 * 本例程通过curl使用HTTP POST方法,此处可修改代理服务器, 
 * 默认CURL_PROXY_HOST=0.0.0.0和CURL_PROXY_PORT=0,此时不开启代理(如有需要才设置) 
 * @var unknown_type 
 */ 
 const CURL_PROXY_HOST = "0.0.0.0";//"10.152.18.220"; 
 const CURL_PROXY_PORT = 0;//8080; 
 
 //=======【上报信息配置】=================================== 
 /** 
 * TODO:接口调用上报等级,默认紧错误上报(注意:上报超时间为【1s】,上报无论成败【永不抛出异常】, 
 * 不会影响接口调用流程),开启上报之后,方便微信监控请求调用的质量,建议至少 
 * 开启错误上报。 
 * 上报等级,0.关闭上报; 1.仅错误出错上报; 2.全量上报 
 * @var int 
 */ 
 const REPORT_LEVENL = 1; 
} 
 
 |  
  
 
 
现在开始贴出代码: 
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 | namespace Wechat\Controller; 
use Think\Controller; 
/** 
 * 父类控制器,需要继承 
 * @file ParentController.class.php 
 * @author Gary <lizhiyong2204@sina.com> 
 * @date 2015年8月4日 
 * @todu 
 */ 
class ParentController extends Controller {  
 protected $options = array ( 
 'token' => '', // 填写你设定的key 
 'encodingaeskey' => '', // 填写加密用的EncodingAESKey 
 'appid' => '', // 填写高级调用功能的app id 
 'appsecret' => '', // 填写高级调用功能的密钥 
 'debug' => false, 
 'logcallback' => '' 
 );  
 public $errCode = 40001;  
 public $errMsg = "no access";  
 
 /** 
 * 获取access_token 
 * @return mixed|boolean|unknown 
 */ 
 public function getToken(){ 
 $cache_token = S('exp_wechat_pay_token'); 
 if(!empty($cache_token)){ 
 return $cache_token; 
 } 
 $url = 'https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=%s&secret=%s'; 
 $url = sprintf($url,$this->options['appid'],$this->options['appsecret']);  
 $result = $this->http_get($url); 
 $result = json_decode($result,true);  
 if(empty($result)){ 
 return false; 
 }  
 S('exp_wechat_pay_token',$result['access_token'],array('type'=>'file','expire'=>3600)); 
 return $result['access_token']; 
 } 
 
 /** 
 * 发送客服消息 
 * @param array $data 消息结构{"touser":"OPENID","msgtype":"news","news":{...}} 
 */ 
 public function sendCustomMessage($data){ 
 $token = $this->getToken(); 
 if (empty($token)) return false;  
 $url = 'https://api.weixin.qq.com/cgi-bin/message/custom/send?access_token=%s'; 
 $url = sprintf($url,$token); 
 $result = $this->http_post($url,self::json_encode($data)); 
 if ($result) 
 { 
 $json = json_decode($result,true); 
 if (!$json || !empty($json['errcode'])) { 
 $this->errCode = $json['errcode']; 
 $this->errMsg = $json['errmsg']; 
 return false; 
 } 
 return $json; 
 } 
 return false; 
 } 
 
 /** 
 * 发送模板消息 
 * @param unknown $data 
 * @return boolean|unknown 
 */ 
 public function sendTemplateMessage($data){ 
 $token = $this->getToken(); 
 if (empty($token)) return false; 
 $url = "https://api.weixin.qq.com/cgi-bin/message/template/send?access_token=%s"; 
 $url = sprintf($url,$token); 
 $result = $this->http_post($url,self::json_encode($data)); 
 if ($result) 
 { 
 $json = json_decode($result,true); 
 if (!$json || !empty($json['errcode'])) { 
 $this->errCode = $json['errcode']; 
 $this->errMsg = $json['errmsg']; 
 return false; 
 } 
 return $json; 
 } 
 return false; 
 } 
 
 
 public function getFileCache($name){ 
 return S($name); 
 } 
 
 /** 
 * 微信api不支持中文转义的json结构 
 * @param array $arr 
 */ 
 static function json_encode($arr) { 
 $parts = array (); 
 $is_list = false; 
 //Find out if the given array is a numerical array 
 $keys = array_keys ( $arr ); 
 $max_length = count ( $arr ) - 1; 
 if (($keys [0] === 0) && ($keys [$max_length] === $max_length )) { //See if the first key is 0 and last key is length - 1 
 $is_list = true; 
 for($i = 0; $i < count ( $keys ); $i ++) { //See if each key correspondes to its position 
 if ($i != $keys [$i]) { //A key fails at position check. 
  $is_list = false; //It is an associative array. 
  break; 
 } 
 } 
 } 
 foreach ( $arr as $key => $value ) { 
 if (is_array ( $value )) { //Custom handling for arrays 
 if ($is_list) 
  $parts [] = self::json_encode ( $value ); /* :RECURSION: */ 
 else 
  $parts [] = '"' . $key . '":' . self::json_encode ( $value ); /* :RECURSION: */ 
 } else { 
 $str = ''; 
 if (! $is_list) 
  $str = '"' . $key . '":'; 
 //Custom handling for multiple data types 
 if (!is_string ( $value ) && is_numeric ( $value ) && $value<2000000000) 
  $str .= $value; //Numbers 
 elseif ($value === false) 
 $str .= 'false'; //The booleans 
 elseif ($value === true) 
 $str .= 'true'; 
 else 
  $str .= '"' . addslashes ( $value ) . '"'; //All other things 
 // :TODO: Is there any more datatype we should be in the lookout for? (Object?) 
 $parts [] = $str; 
 } 
 } 
 $json = implode ( ',', $parts ); 
 if ($is_list) 
 return '[' . $json . ']'; //Return numerical JSON 
 return '{' . $json . '}'; //Return associative JSON 
 } 
 
 /** 
 +---------------------------------------------------------- 
 * 生成随机字符串 
 +---------------------------------------------------------- 
 * @param int $length 要生成的随机字符串长度 
 * @param string $type 随机码类型:0,数字+大小写字母;1,数字;2,小写字母;3,大写字母;4,特殊字符;-1,数字+大小写字母+特殊字符 
 +---------------------------------------------------------- 
 * @return string 
 +---------------------------------------------------------- 
 */ 
 static public function randCode($length = 5, $type = 2){ 
 $arr = array(1 => "0123456789", 2 => "abcdefghijklmnopqrstuvwxyz", 3 => "ABCDEFGHIJKLMNOPQRSTUVWXYZ", 4 => "~@#$%^&*(){}[]|"); 
 if ($type == 0) { 
 array_pop($arr); 
 $string = implode("", $arr); 
 } elseif ($type == "-1") { 
 $string = implode("", $arr); 
 } else { 
 $string = $arr[$type]; 
 } 
 $count = strlen($string) - 1; 
 $code = ''; 
 for ($i = 0; $i < $length; $i++) { 
 $code .= $string[rand(0, $count)]; 
 } 
 return $code; 
 }  
 
 
 /** 
 * GET 请求 
 * @param string $url 
 */ 
 private function http_get($url){ 
 $oCurl = curl_init(); 
 if(stripos($url,"https://")!==FALSE){ 
 curl_setopt($oCurl, CURLOPT_SSL_VERIFYPEER, FALSE); 
 curl_setopt($oCurl, CURLOPT_SSL_VERIFYHOST, FALSE); 
 curl_setopt($oCurl, CURLOPT_SSLVERSION, 1); //CURL_SSLVERSION_TLSv1 
 } 
 curl_setopt($oCurl, CURLOPT_URL, $url); 
 curl_setopt($oCurl, CURLOPT_RETURNTRANSFER, 1 ); 
 $sContent = curl_exec($oCurl); 
 $aStatus = curl_getinfo($oCurl); 
 curl_close($oCurl); 
 if(intval($aStatus["http_code"])==200){ 
 return $sContent; 
 }else{ 
 return false; 
 } 
 } 
 
 /** 
 * POST 请求 
 * @param string $url 
 * @param array $param 
 * @param boolean $post_file 是否文件上传 
 * @return string content 
 */ 
 private function http_post($url,$param,$post_file=false){ 
 $oCurl = curl_init(); 
 if(stripos($url,"https://")!==FALSE){ 
 curl_setopt($oCurl, CURLOPT_SSL_VERIFYPEER, FALSE); 
 curl_setopt($oCurl, CURLOPT_SSL_VERIFYHOST, false); 
 curl_setopt($oCurl, CURLOPT_SSLVERSION, 1); //CURL_SSLVERSION_TLSv1 
 } 
 if (is_string($param) || $post_file) { 
 $strPOST = $param; 
 } else { 
 $aPOST = array(); 
 foreach($param as $key=>$val){ 
 $aPOST[] = $key."=".urlencode($val); 
 } 
 $strPOST = join("&", $aPOST); 
 } 
 curl_setopt($oCurl, CURLOPT_URL, $url); 
 curl_setopt($oCurl, CURLOPT_RETURNTRANSFER, 1 ); 
 curl_setopt($oCurl, CURLOPT_POST,true); 
 curl_setopt($oCurl, CURLOPT_POSTFIELDS,$strPOST); 
 $sContent = curl_exec($oCurl); 
 $aStatus = curl_getinfo($oCurl); 
 curl_close($oCurl); 
 if(intval($aStatus["http_code"])==200){ 
 return $sContent; 
 }else{ 
 return false; 
 } 
 } 
} 
 
 |  
  
 
 
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 | namespace Wechat\Controller; 
use Wechat\Controller\ParentController; 
/** 
 * 微信支付测试控制器 
 * @file TestController.class.php 
 * @author Gary <lizhiyong2204@sina.com> 
 * @date 2015年8月4日 
 * @todu 
 */ 
class TestController extends ParentController { 
 private $_order_body = 'xxx'; 
 private $_order_goods_tag = 'xxx'; 
 public function __construct(){ 
 parent::__construct(); 
 require_once ROOT_PATH."Api/lib/WxPay.Api.php"; 
 require_once ROOT_PATH."Api/lib/WxPay.JsApiPay.php"; 
 } 
 
 public function index(){ 
 //①、获取用户openid 
 $tools = new \JsApiPay(); 
 $openId = $tools->GetOpenid();  
 //②、统一下单 
 $input = new \WxPayUnifiedOrder();  
 //商品描述 
 $input->SetBody($this->_order_body); 
 //附加数据,可以添加自己需要的数据,微信回异步回调时会附加这个数据 
 $input->SetAttach('xxx'); 
 //商户订单号 
 $out_trade_no = \WxPayConfig::MCHID.date("YmdHis"); 
 $input->SetOut_trade_no($out_trade_no); 
 //总金额,订单总金额,只能为整数,单位为分  
 $input->SetTotal_fee(1); 
 //交易起始时间 
 $input->SetTime_start(date("YmdHis")); 
 //交易结束时间 
 $input->SetTime_expire(date("YmdHis", time() + 600)); 
 //商品标记 
 $input->SetGoods_tag($this->_order_goods_tag); 
 //通知地址,接收微信支付异步通知回调地址 SITE_URL=http://test.paywechat.com/Charge 
 $notify_url = SITE_URL.'/index.php/Test/notify.html'; 
 $input->SetNotify_url($notify_url); 
 //交易类型 
 $input->SetTrade_type("JSAPI"); 
 $input->SetOpenid($openId); 
 $order = \WxPayApi::unifiedOrder($input); 
 $jsApiParameters = $tools->GetJsApiParameters($order); 
 //获取共享收货地址js函数参数 
 $editAddress = $tools->GetEditAddressParameters(); 
 
 $this->assign('openId',$openId); 
 $this->assign('jsApiParameters',$jsApiParameters); 
 $this->assign('editAddress',$editAddress); 
 $this->display();  
 } 
 
 /** 
 * 异步通知回调方法 
 */ 
 public function notify(){ 
 require_once ROOT_PATH."Api/lib/notify.php"; 
 $notify = new \PayNotifyCallBack(); 
 $notify->Handle(false); 
 //这里的IsSuccess是我自定义的一个方法,后面我会贴出这个文件的代码,供参考。 
 $is_success = $notify->IsSuccess();  
 $bdata = $is_success['data'];  
 //支付成功 
 if($is_success['code'] == 1){  
 $news = array( 
  'touser' => $bdata['openid'], 
  'msgtype' => 'news', 
  'news' => array ( 
  'articles'=> array ( 
   array( 
   'title' => '订单支付成功', 
   'description' => "支付金额:{$bdata['total_fee']}\n". 
   "微信订单号:{$bdata['transaction_id']}\n" 
   'picurl' => '', 
   'url' => '' 
   ) 
 
  ) 
  ) 
 ); 
 //发送微信支付通知 
 $this->sendCustomMessage($news);  
 }else{//支付失败 
 
 } 
 } 
 
 /** 
 * 支付成功页面 
 * 不可靠的回调 
 */ 
 public function ajax_PaySuccess(){ 
 //订单号 
 $out_trade_no = I('post.out_trade_no'); 
 //支付金额 
 $total_fee = I('post.total_fee'); 
 /*相关逻辑处理*/ 
 
 } 
 
 |  
  
 
 
贴上模板HTML 
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 | <html> 
<head> 
 <meta http-equiv="content-type" content="text/html;charset=utf-8"/> 
 <meta name="viewport" content="width=device-width, initial-scale=1"/>  
 <title>微信支付样例-支付</title> 
 <script type="text/javascript"> 
 //调用微信JS api 支付 
 function jsApiCall() 
 { 
 WeixinJSBridge.invoke( 
 'getBrandWCPayRequest', 
 {$jsApiParameters}, 
 function(res){ 
 WeixinJSBridge.log(res.err_msg); 
 //取消支付 
 if(res.err_msg == 'get_brand_wcpay_request:cancel'){ 
 //处理取消支付的事件逻辑 
 }else if(res.err_msg == "get_brand_wcpay_request:ok"){ 
 /*使用以上方式判断前端返回,微信团队郑重提示: 
 res.err_msg将在用户支付成功后返回 ok,但并不保证它绝对可靠。 
 这里可以使用Ajax提交到后台,处理一些日志,如Test控制器里面的ajax_PaySuccess方法。 
 */ 
 } 
 alert(res.err_code+res.err_desc+res.err_msg); 
 } 
 ); 
 } 
 
 function callpay() 
 { 
 if (typeof WeixinJSBridge == "undefined"){ 
 if( document.addEventListener ){ 
 document.addEventListener('WeixinJSBridgeReady', jsApiCall, false); 
 }else if (document.attachEvent){ 
 document.attachEvent('WeixinJSBridgeReady', jsApiCall);  
 document.attachEvent('onWeixinJSBridgeReady', jsApiCall); 
 } 
 }else{ 
 jsApiCall(); 
 } 
 } 
 //获取共享地址 
 function editAddress() 
 { 
 WeixinJSBridge.invoke( 
 'editAddress', 
 {$editAddress}, 
 function(res){ 
 var value1 = res.proviceFirstStageName; 
 var value2 = res.addressCitySecondStageName; 
 var value3 = res.addressCountiesThirdStageName; 
 var value4 = res.addressDetailInfo; 
 var tel = res.telNumber;  
 alert(value1 + value2 + value3 + value4 + ":" + tel); 
 } 
 ); 
 } 
 
 window.onload = function(){ 
 if (typeof WeixinJSBridge == "undefined"){ 
 if( document.addEventListener ){ 
 document.addEventListener('WeixinJSBridgeReady', editAddress, false); 
 }else if (document.attachEvent){ 
 document.attachEvent('WeixinJSBridgeReady', editAddress);  
 document.attachEvent('onWeixinJSBridgeReady', editAddress); 
 } 
 }else{ 
 editAddress(); 
 } 
 }; 
 
 </script> 
</head> 
<body> 
 <br/> 
 <font color="#9ACD32"><b>该笔订单支付金额为<span style="color:#f00;font-size:50px">1分</span>钱</b></font><br/><br/> 
 <div align="center"> 
 <button style="width:210px; height:50px; border-radius: 15px;background-color:#FE6714; border:0px #FE6714 solid; cursor: pointer; color:white; font-size:16px;" type="button" onclick="callpay()" >立即支付</button> 
 </div> 
</body> 
</html> 
 
 |  
  
 
 
notify.php文件代码,这里有在官方文件里新添加的一个自定义方法。 
 
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 | require_once ROOT_PATH."Api/lib/WxPay.Api.php"; 
require_once ROOT_PATH.'Api/lib/WxPay.Notify.php'; 
require_once ROOT_PATH.'Api/lib/log.php'; 
 
//初始化日志 
$logHandler= new \CLogFileHandler(ROOT_PATH."/logs/".date('Y-m-d').'.log'); 
$log = \Log::Init($logHandler, 15); 
 
class PayNotifyCallBack extends WxPayNotify 
{ 
 protected $para = array('code'=>0,'data'=>''); 
 //查询订单 
 public function Queryorder($transaction_id) 
 { 
 $input = new \WxPayOrderQuery(); 
 $input->SetTransaction_id($transaction_id); 
 $result = \WxPayApi: rderQuery($input); 
 \Log: EBUG("query:" . json_encode($result)); 
 if(array_key_exists("return_code", $result) 
 && array_key_exists("result_code", $result) 
 && $result["return_code"] == "SUCCESS" 
 && $result["result_code"] == "SUCCESS") 
 { 
 return true; 
 } 
 $this->para['code'] = 0; 
 $this->para['data'] = ''; 
 return false; 
 } 
 
 //重写回调处理函数 
 public function NotifyProcess($data, &$msg) 
 { 
 \Log: EBUG("call back:" . json_encode($data)); 
 $notfiyOutput = array(); 
 
 if(!array_key_exists("transaction_id", $data)){ 
 $msg = "输入参数不正确"; 
 $this->para['code'] = 0; 
 $this->para['data'] = ''; 
 return false; 
 } 
 //查询订单,判断订单真实性 
 if(!$this->Queryorder($data["transaction_id"])){ 
 $msg = "订单查询失败"; 
 $this->para['code'] = 0; 
 $this->para['data'] = ''; 
 return false; 
 } 
 
 $this->para['code'] = 1; 
 $this->para['data'] = $data; 
 return true; 
 } 
 
 /** 
 * 自定义方法 检测微信端是否回调成功方法 
 * @return multitype:number string 
 */ 
 public function IsSuccess(){ 
 return $this->para; 
 } 
} 
 
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