本文主要是介绍thinkcmf+jsapi 实现微信支付，希望对大家解决编程问题提供一定的参考价值，需要的开发者们随着小编来一起学习吧！
首先从小程序端接收订单号、金额等参数，然后后台进行统一下单，把微信支付的订单号返回，在把订单号发送给前台，前台拉起支付，返回参数后更改支付状态。。。
回调
public function notify() {$wechat=Db::name('wechat')->where('status',1)->find();//$post = $GLOBALS['HTTP_RAW_POST_DATA']; $post = file_get_contents("php://input"); //接受POST数据XML个数// $order_over_test['openid']=$post;// Db::name('order_over')->insert($order_over_test);$post_data = $this->xml_to_array($post);//输出订单号$order_sn = $post_data['out_trade_no'];$order_over['order_sn']=$order_sn;$order_over['money']=$post_data['total_fee'];$order_over['openid']=$post_data['openid'];$order_over['time_end']=$post_data['time_end'];$order_update['status']='1';// Db::name('order_over')->insert($order_over);$order_info=Db::name('order')->where('order_id',$order_sn)->find();if ($post_data['return_code'] == 'SUCCESS') {//判断证书是否正确// if ($postSign != $user_sign) {// Log::write('签名不匹配');// exit;// }if ($order_info['status'] != '1') {Db::name('order_over')->insert($order_over);$result=Db::name('order')->where('order_id', $order_sn)->update($order_update);}return 'success';} else {return 'error';//$this->error('error!');}
}public function xmlToArray($xml){$p = xml_parser_create();xml_parse_into_struct($p, $xml, $vals, $index);xml_parser_free($p);$data = "";foreach ($index as $key => $value) {if ($key == 'xml' || $key == 'XML') continue;$tag = $vals[$value[0]]['tag'];$value = $vals[$value[0]]['value'];$data[$tag] = $value;}return $data;}public function xml_to_array($xml){if(!$xml){return false;}//将XML转为array//禁止引用外部xml实体libxml_disable_entity_loader(true);$data = json_decode(json_encode(simplexml_load_string($xml, 'SimpleXMLElement', LIBXML_NOCDATA)), true);return $data;}public static function ToUrlParams($data){$buff = "";foreach ($data as $k => $v){if($k != "sign" && $v != "" && !is_array($v)){$buff .= $k . "=" . $v . "&";}}$buff = trim($buff, "&");return $buff;}统一下单
public function getwxpay($orderSn,$money)
{// $orderSn=$orderSn;$body='广告投放';//$orderSn='HB14257311281654';//$money= '1'; $money=$money*100;$wechat=Db::name('wechat')->where('status',1)->find();$order_id=$orderSn;// $money= $money; //充值金额 微信支付单位为分$appid = $wechat['appid']; //应用APPID$mch_id =$wechat['mch_id']; //微信支付商户号$KEY = $wechat['key']; //微信商户API密钥$out_trade_no = $orderSn ;//平台内部订单号$nonce_str = $this->rand_code();//随机字符串// $openid='oM0TH0nyMtlyrP_J8cOL70oLYaCw';$openid=session('openid');//获取系统的配置//$nonce_str = $this->rand_str(12);//随机字符串$notify_url = "http://**********************t/Wxnotify/notify"; //支付完成回调地址url,不能带参数$spbill_create_ip = get_client_ip();$trade_type = 'JSAPI';//交易类型 默认JSAPI//这里是按照顺序的 因为下面的签名是按照(字典序)顺序 排序错误 肯定出错$post['appid'] = $appid;$post['body'] = $body;$post['mch_id'] = $mch_id;$post['nonce_str'] = $nonce_str;//随机字符串$post['notify_url'] = $notify_url;$post['openid'] = $openid;$post['out_trade_no'] = $out_trade_no;$post['spbill_create_ip'] = $spbill_create_ip;//服务器终端的ip$post['total_fee'] = intval($money); //总金额 最低为一分钱 必须是整数$post['trade_type'] = $trade_type;$sign = $this->MakeSign($post, $KEY); //签名$this->sign = $sign;$post_xml = "<xml><appid>$appid</appid> <mch_id>$mch_id</mch_id><nonce_str>$nonce_str</nonce_str><body>$body</body><notify_url>$notify_url</notify_url><openid>$openid</openid><out_trade_no>$out_trade_no</out_trade_no><spbill_create_ip>$spbill_create_ip</spbill_create_ip><total_fee>{$post["total_fee"]}</total_fee><trade_type>$trade_type</trade_type><sign>$sign</sign></xml>";//统一下单接口prepay_id$url = 'https://api.mch.weixin.qq.com/pay/unifiedorder';$xml = $this->http_request($url, $post_xml); //POST方式请求http$array = $this->xml2array($xml); //将【统一下单】api返回xml数据转换成数组，全要大写$array['my_sign'] = $sign;$array['post_xml'] = $post_xml;$array['source_xml'] = $xml;if ($array['RETURN_CODE'] == 'SUCCESS' && $array['RESULT_CODE'] == 'SUCCESS') {$time = time();$tmp = ''; //临时数组用于签名$tmp['appId'] = $appid;$tmp['nonceStr'] = $nonce_str;$tmp['package'] = 'prepay_id=' . $array['PREPAY_ID'];$tmp['signType'] = 'MD5';$tmp['timeStamp'] = "$time";// $data['state'] = 1;$data['timeStamp'] = "$time"; //时间戳$data['nonceStr'] = $nonce_str; //随机字符串$data['signType'] = 'MD5'; //签名算法，暂支持 MD5$data['package'] = 'prepay_id='.$array['PREPAY_ID']; //统一下单接口返回的 prepay_id 参数值，提交格式如：prepay_id=*$data['paySign'] = $this->MakeSign($tmp, $KEY); //签名,具体签名方案参见微信公众号支付帮助文档;$data['prepay_id'] = $array['PREPAY_ID'];$data['out_trade_no'] = $out_trade_no;$data['order_id'] = $order_id;} else {// $data['statusCode'] = ;$data['statusMsg'] = "请求错误";$data['data']['RETURN_CODE'] = $array['RETURN_CODE'];$data['data']['RETURN_MSG'] = $array['RETURN_MSG'];}return $data;}public function postXmlCurl($xml,$url,$second = 30){$ch = curl_init();//设置超时curl_setopt($ch, CURLOPT_TIMEOUT, $second);curl_setopt($ch,CURLOPT_URL, $url);curl_setopt($ch,CURLOPT_SSL_VERIFYPEER,FALSE);curl_setopt($ch,CURLOPT_SSL_VERIFYHOST,FALSE);//设置headercurl_setopt($ch, CURLOPT_HEADER, FALSE);//要求结果为字符串且输出到屏幕上curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE);//post提交方式curl_setopt($ch, CURLOPT_POST, TRUE);curl_setopt($ch, CURLOPT_POSTFIELDS, $xml);//运行curl$data = curl_exec($ch);//返回结果if($data){curl_close($ch);return $data;}else{$error = curl_errno($ch);curl_close($ch);echo "curl出错，错误码:$error"."<br>";}}//生成签名public function MakeSign($params, $KEY){//签名步骤一：按字典序排序数组参数ksort($params);$string = $this->ToUrlParams($params); //参数进行拼接key=value&k=v//签名步骤二：在string后加入KEY$string = $string . "&key=" . $KEY;//签名步骤三：MD5加密$string = md5($string);//签名步骤四：所有字符转为大写$result = strtoupper($string);return $result;}/*** 格式化参数格式化成url参数*/public static function ToUrlParams($data){$buff = "";foreach ($data as $k => $v){if($k != "sign" && $v != "" && !is_array($v)){$buff .= $k . "=" . $v . "&";}}$buff = trim($buff, "&");return $buff;}//发送http请求public function http_request($url, $data = null, $headers = array()){$curl = curl_init();if (count($headers) >= 1) {curl_setopt($curl, CURLOPT_HTTPHEADER, $headers);}curl_setopt($curl, CURLOPT_URL, $url);curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, FALSE);curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, FALSE);//$zs1 = CMF_ROOT . "cert/apiclient_cert.pem";$zs2 = CMF_ROOT . "cert/apiclient_key.pem";// curl_setopt ( $curl, CURLOPT_SSLCERT, $zs1 );// curl_setopt ( $curl, CURLOPT_SSLKEY, $zs2 );//设置证书//使用证书：cert 与 key 分别属于两个.pem文件curl_setopt($curl, CURLOPT_SSLCERTTYPE, 'PEM');curl_setopt($curl, CURLOPT_SSLCERT, $zs1);curl_setopt($curl, CURLOPT_SSLKEYTYPE, 'PEM');curl_setopt($curl, CURLOPT_SSLKEY, $zs2);if (!empty($data)) {curl_setopt($curl, CURLOPT_POST, 1);curl_setopt($curl, CURLOPT_POSTFIELDS, $data);}curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);$output = curl_exec($curl);curl_close($curl);return $output;}//获取xml里面数据，转换成arraypublic function xml2array($xml){$p = xml_parser_create();xml_parse_into_struct($p, $xml, $vals, $index);xml_parser_free($p);$data = "";foreach ($index as $key => $value) {if ($key == 'xml' || $key == 'XML') continue;$tag = $vals[$value[0]]['tag'];$value = $vals[$value[0]]['value'];$data[$tag] = $value;}return $data;}//随机字符串public function rand_code($length = 16) {$chars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";$str = "";for ($i = 0; $i < $length; $i++) {$str .= substr($chars, mt_rand(0, strlen($chars) - 1), 1);}return $str;}public function ToXml($data=array()){if(!is_array($data) || count($data) <= 0){return '数组异常';}$xml = "<xml>";foreach ($data as $key=>$val){if (is_numeric($val)){$xml.="<".$key.">".$val."</".$key.">";}else{$xml.="<".$key."><![CDATA[".$val."]]></".$key.">";}}$xml.="</xml>";return $xml;}
前台页面拉起微信支付
<!DOCTYPE html>
<html>
<head><title>订单支付 {$site_info.site_name|default=''}</title><meta name="keywords" content="{$site_info.site_seo_keywords|default=''}"/><meta name="description" content="{$site_info.site_seo_description|default=''}"><include file="public@head"/></head>
<body >
<include file="public@top"/>
<hook name="before_head_end"/>
<!-- top --><div class="zt">
<div class="am-container"><div><div class="order_info"><h3 class="am-text-center">核实订单</h3>
</div><div class="order_money am-text-center"><table class="am-table "><tr><td>订单号</td><td class="am-text-right">{$order_info['order_id']}</td></tr><tr><td>金额</td><td class="am-text-right">{$order_info['money']}￥</td><input type="hidden" name="money" id="money_input" value=""></tr></table></div><div class="am-form-group"><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>
</div>
</div>
</div><include file="public@footer"/><!-- <script type="text/javascript" src="http://res.wx.qq.com/open/js/jweixin-1.0.0.js"></script> --><script type="text/javascript">//调用微信JS api 支付function jsApiCall(){WeixinJSBridge.invoke('getBrandWCPayRequest', {"appId":'{$wechat['appid']}', //公众号名称，由商户传入 "timeStamp":'{$wxpay_status['timeStamp']}', //时间戳，自1970年以来的秒数 "nonceStr":'{$wxpay_status['nonceStr']}', //随机串 "package":'{$wxpay_status['package']}', "signType":"MD5", //微信签名方式： "paySign":'{$wxpay_status['paySign']}'//微信签名 }, function(res){console.log(res);WeixinJSBridge.log(res.err_msg);//alert('err_code:'+res.err_code+'err_desc:'+res.err_desc+'err_msg:'+res.err_msg);//alert(res.err_code+res.err_desc+res.err_msg);//alert(res);if(res.err_msg == "get_brand_wcpay_request:ok"){ alert("支付成功!");window.location.href="http://m.sxcrcm.com";}else if(res.err_msg == "get_brand_wcpay_request:cancel"){ alert("用户取消支付!"); }else{ alert("支付失败!"); } });}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();}}</script>
</body>
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