<?php const APPID = 'xxxxxxxxxxxxxxxxxx';const MCHID = 'xxxxxxxxxxx';const KEY = 'xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx';const APPSECRET = 'xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx'; /** * * 拼接簽名字符串 * @param array $urlObj * @return 返回已經(jīng)拼接好的字符串 */ function ToUrlParams($urlObj) { $buff = ""; foreach ($urlObj as $k => $v) { if($k != "sign"){ $buff .= $k . "=" . $v . "&"; } } $buff = trim($buff, "&"); return $buff; } /** * 統(tǒng)一下單，WxPayUnifiedOrder中out_trade_no、body、total_fee、trade_type必填 * appid、mchid、spbill_create_ip、nonce_str不需要填入 * @param WxPayUnifiedOrder $inputObj * @param int $timeOut * @throws WxPayException * @return 成功時(shí)返回，其他拋異常 */ function unifiedOrder( $timeOut = 6) { $datas = array(); $datas['body'] = '賣王文曉啦，一分一個(gè)'; $datas['out_trade_no'] = '1234567890123456789012';//訂單號(hào) $datas['total_fee'] = '1'; $datas['time_start'] = date("YmdHis"); $datas['time_expire'] = date("YmdHis", time() + 600); $datas['appid'] = APPID;//公眾賬號(hào)ID $datas['mch_id'] = MCHID;//商戶號(hào) $datas['spbill_create_ip'] = $_SERVER['REMOTE_ADDR'];//ip $datas['nonce_str'] = getNonceStr();//隨機(jī)字符串 //簽名步驟一：按字典序排序參數(shù) ksort($datas); $string = ToUrlParamss($datas); //簽名步驟二：在string后加入KEY $string = $string . "&key=".KEY; //簽名步驟三：MD5加密 $string = md5($string); //簽名步驟四：所有字符轉(zhuǎn)為大寫 $result = strtoupper($string); $datas['sign'] = $result;//簽名 $xml = ToXml($datas); $response = postXmlCurl($xml, $url, false, $timeOut); $data = FromXml($response); var_dump($data); return $data; } /** * 產(chǎn)生隨機(jī)字符串，不長(zhǎng)于32位 * @param int $length * @return 產(chǎn)生的隨機(jī)字符串 */ function getNonceStr($length = 32) { $chars = "abcdefghijklmnopqrstuvwxyz0123456789"; $str =""; for ( $i = 0; $i < $length; $i++ ) { $str .= substr($chars, mt_rand(0, strlen($chars)-1), 1); } return $str; } /** * 輸出xml字符 **/ function ToXml($datas) { $xml = "<xml>"; foreach ($datas as $key=>$val) { if (is_numeric($val)){ $xml.="<".$key.">".$val."</".$key.">"; }else{ $xml.="<".$key."><![CDATA[".$val."]]></".$key.">"; } } $xml.="</xml>"; return $xml; } /** * 格式化參數(shù)格式化成url參數(shù) */ function ToUrlParamss($datas) { $buff = ""; foreach ($datas as $k => $v) { if($k != "sign" && $v != "" && !is_array($v)){ $buff .= $k . "=" . $v . "&"; } } $buff = trim($buff, "&"); return $buff; } /** * 以post方式提交xml到對(duì)應(yīng)的接口url * * @param string $xml 需要post的xml數(shù)據(jù) * @param string $url url * @param bool $useCert 是否需要證書，默認(rèn)不需要 * @param int $second url執(zhí)行超時(shí)時(shí)間，默認(rèn)30s */ function postXmlCurl($xml, $url, $useCert = false, $second = 30) { $ch = curl_init(); //設(shè)置超時(shí) curl_setopt($ch, CURLOPT_TIMEOUT, $second); curl_setopt($ch,CURLOPT_URL, $url); curl_setopt($ch,CURLOPT_SSL_VERIFYPEER,false); curl_setopt($ch,CURLOPT_SSL_VERIFYHOST,false);//嚴(yán)格校驗(yàn) //設(shè)置header curl_setopt($ch, CURLOPT_HEADER, FALSE); //要求結(jié)果為字符串且輸出到屏幕上 curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE); //post提交方式 curl_setopt($ch, CURLOPT_POST, TRUE); curl_setopt($ch, CURLOPT_POSTFIELDS, $xml); //運(yùn)行curl $data = curl_exec($ch); //返回結(jié)果 curl_close($ch); return $data; } /** * 將xml轉(zhuǎn)為array * @param string $xml */ function FromXml($xml) { if(!$xml){ echo "xml數(shù)據(jù)異常！"; } //將XML轉(zhuǎn)為array //禁止引用外部xml實(shí)體 libxml_disable_entity_loader(true); $data = json_decode(json_encode(simplexml_load_string($xml, 'SimpleXMLElement', LIBXML_NOCDATA)), true); return $data; } /** * 獲取jsapi支付的參數(shù) * @param array $UnifiedOrderResult 統(tǒng)一支付接口返回的數(shù)據(jù) * @return json數(shù)據(jù)，可直接填入js函數(shù)作為參數(shù) */ function GetJsApiParameters(){ $UnifiedOrderResult = unifiedOrder(); if(!array_key_exists("appid", $UnifiedOrderResult) || !array_key_exists("prepay_id", $UnifiedOrderResult) || $UnifiedOrderResult['prepay_id'] == "") { echo $UnifiedOrderResult['err_code_des']; exit; } $da = array(); $da['appId'] = $UnifiedOrderResult["appid"]; $timeStamp = time(); $da['timeStamp'] = "$timeStamp"; $da['nonceStr'] = getNonceStr(); $da['package'] = "prepay_id=" . $UnifiedOrderResult['prepay_id']; $da['signType'] = 'MD5'; //簽名步驟一：按字典序排序參數(shù) ksort($da); $string = ToUrlParamss($da); //簽名步驟二：在string后加入KEY $string = $string . "&key=".KEY; //簽名步驟三：MD5加密 $string = md5($string); //簽名步驟四：所有字符轉(zhuǎn)為大寫 $result = strtoupper($string); $da['paySign'] = $result; $parameters = json_encode($da); return $parameters; } $da = GetJsApiParameters(); var_dump($da); ?> <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h5支付-王文曉</title> <script type="text/javascript"> //調(diào)用微信JS api 支付 function jsApiCall() { WeixinJSBridge.invoke( 'getBrandWCPayRequest', <?php echo $da; ?>, function(res){ WeixinJSBridge.log(res.err_msg); 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(); } } </script> </head> <body> <br/> <font color="#9ACD32"><b>該筆訂單支付金額為<span style="color:#f00;font-size:50px">1分</span>錢</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>聯(lián)系客服
