php微信支付之APP支付方法

本文格式为Word版，下载可任意编辑——php微信支付之APP支付方法php微信支付之APP支付方法

本文实例陈述了微信开放平台移动应用集成微信支付功能。共享给大家供大家参考。概括分析如下，更多消息请关注应届毕业生网！WechatAppPay文件代码如下：??spacecommon\services\WechatPay;classWechatAppPayextendsWechatPayBase//package参数public$package=[];//异步通知参数public$notify=[];//推送预支付订单参数protected$config=[];//存储accesstoken和获取时间的文件protected$file;//accesstected$accessToken;//取accesstoken的urlconstACCESS_TOKEN_URL=/cgi-bin/token?grant_type=client_credentialappid=%ssecret=%s;//生成预支付订单提交地址constPOST_ORDER_URL=/pay/genprepay?access_token=%s;publicfunction__construct$this-file=__DIR__./payAccessToken.txt;/***创造APP支付最终返回参数*@throws\Exception*@returnmultitype:stringNULL*/publicfunctioncreateAppPayData$this-generateConfig;$prepayid=$this-getPrepayid;try$array=[appid=$this-appid,appkey=$this-paySignkey,noncestr=$this-getRandomStr,package=Sign=WXPay,partnerid=$this-partnerId,prepayid=$prepayid,timestamp=stringtime,];$array[sign]=$this-sha1Sign$array;unset$array[appkey];catch\Exception$ethrownew\Exception$e-getMessage;return$array;/***验证支付告成后的.通知参数**@throws\Exception*@returnboolean*/publicfunctionverifyNotifytry$staySignStr=$this-notify;unset$staySignStr[sign];$sign=$this-signData$staySignStr;return$this-notify[sign]===$sign;catch\Exception$ethrownew\Exception$e-getMessage;/***魔术方法，给添加支付参数进来**@paramstring$name参数名*@paramstring$value参数值*/publicfunction__set$name,$value$this-$name=$value;/***设置accesstoken*@paramstring$token*@throws\Exception*@returnboolean*/publicfunctionsetAccessTokentryif!file_exists$this-file||!is_file$this-file$f=fopen$this-file,a;fclose$f;$content=file_get_contents$this-file;if!empty$content$info=json_decode$content,true;iftime-$info[getTime]7150$this-accessToken=$info[accessToken];returntrue;//文件内容为空或accesstoken已失效，重新获取$this-outputAccessTokenToFile;catch\Exception$ethrownew\Exception$e-getMessage;returntrue;/***写入accesstoken到文件*@throws\Exception*@returnboolean*/protectedfunctionoutputAccessTokenToFiletry$f=fopen$this-file,wb;$token=[accessToken=$this-getAccessToken,getTime=time,];flock$f,LOCK_EX;fwrite$f,json_encode$token;flock$f,LOCK_UN;fclose$f;$this-accessToken=$token[accessToken];catch\Exception$ethrownew\Exception$e-getMessage;returntrue;/***取accesstoken**@throws\Exception*@returnstring*/protectedfunctiongetAccessToken$url=sprintfself::ACCESS_TOKEN_URL,$this-appid,$this-appSecret;$result=json_decode$this-getUrl$url,true;ifisset$result[errcode]thrownew\Exceptiongetaccesstokenfailed:$result[errmsg];return$result[access_token];/***取预支付会话标识**@throws\Exception*@returnstring*/protectedfunctiongetPrepayid$data=json_encode$this-config;$url=sprintfself::POST_ORDER_URL,$this-accessToken;$result=json_decode$this-postUrl$url,$data,true;ifisset$result[errcode]$result[errcode]!=0thrownew\Exception$result[errmsg];if!isset$result[prepayid]thrownew\Exceptiongetprepayidfailed,urlrequesterror.;return$result[prepayid];/***组装预支付参数**@throws\Exception*/protectedfunctiongenerateConfigtry$this-config=[appid=$this-appid,traceid=$this-traceid,noncestr=$this-getRandomStr,timestamp=time,package=$this-generatePackage,sign_method=$this-sign_method,];$this-config[app_signature]=$this-generateSign;catch\Exception$ethrownew\Exception$e-getMessage;/***生成package字段**生成规矩:*1、生成sign的值signValue*2、对package参数再次拼接成查询字符串，值需要举行urlencode*3、将sign=signValue拼接到2生成的字符串后面得到最终的package字符串**第2步urlencode空格需要编码成%20而不是+**RFC1738会把空格编码成+*RFC3986会把空格编码成%20**@returnstring*/protectedfunctiongeneratePackage$this-package[sign]=$this-signData$this-package;returnhttp_build_query$this-package,,,PHP_QUERY_RFC3986;/***生成签名**@returnstring*/protectedfunctiongenerateSign$signArray=[appid=$this-appid,appkey=$this-paySignkey,noncestr=$this-config[noncestr],package=$this-config[package],timestamp=$this-config[timestamp],traceid=$this-traceid,];return$this-sha1Sign$signArray;/***签名数据**生成规矩:*1、字典排序，拼接成查询字符串格式，不需要urlencode*2、上一步得到的字符串结果拼接上key=paternerKey*3、MD5哈希字符串并转换成大写得到sign的值signValue**@paramarray$data待签名数据*@returnstring最终签名结果*/protectedfunctionsignData$dataksort$data;$str=$this-arrayToString$data;$str.=key=$this-partnerKey;return