微信移动支付服务端php

<?php

/**
*   微信支付服务端相关业务
*   @author 魏鹏
*/
class WxapiAction extends Action{

const WXURL = "https://api.mch.weixin.qq.com/pay/unifiedorder";
const NOIFYURL = "";//微信异步回掉地址
const APPID = '';
const MCHID = '';//商家号
const KEY = '';
const APPSECRET = '';
private $wxDate = null;

/**
* 请求微信API进行微信统一下单
* URL地址：https://api.mch.weixin.qq.com/pay/unifiedorder
*/
public function getWxPrepayid(){
header("Content-type: text/html; charset=utf-8");
$order = $this -> chargepay_api();
//配置参数检测
$this -> checkCofigParam();
$noceStr = md5(rand(100,1000).time());//获取随机字符串
$time = time();
$body = $_REQUEST['c_Money1']*100;
$paramarr = array(
"appid"       =>    WxapiAction::APPID,
"body"        =>    "",//说明内容
"mch_id"      =>    WxapiAction::MCHID,
"nonce_str"   =>    $noceStr,
"notify_url"  =>    WxapiAction::NOIFYURL,
"out_trade_no"=>    $order,
"total_fee"   =>    "1",
"trade_type"  =>    "APP"

);
$sign = $this -> sign($paramarr);//生成签名
$paramarr['sign'] = $sign;
$paramXml = "<xml>";
foreach($paramarr as $k => $v){
$paramXml .= "<" . $k . ">" . $v . "</" . $k . ">";

}
$paramXml .= "</xml>";
file_put_contents("./test.txt", "");
file_put_contents("./test.txt", $paramXml);
$ch = curl_init ();
@curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false); // 跳过证书检查
@curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, true);  // 从证书中检查SSL加密算法是否存在
@curl_setopt($ch, CURLOPT_URL, "https://api.mch.weixin.qq.com/pay/unifiedorder");
@curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
@curl_setopt($ch, CURLOPT_POST, 1);
@curl_setopt($ch, CURLOPT_POSTFIELDS, $paramXml);
@$resultXmlStr = curl_exec($ch);
if(curl_errno($ch)){
print curl_error($ch);
}
curl_close($ch);
file_put_contents("./test2.txt", "");
file_put_contents("./test2.txt", $resultXmlStr);
$result = $this -> xmlToArray($resultXmlStr);

$time2 = time();
$prepayid = $result['prepay_id'];
$sign = "";
$noceStr = md5(rand(100,1000).time());//获取随机字符串
$paramarr2 = array(
"appid"     =>  WxapiAction::APPID,
"noncestr"  =>  $noceStr,
"package"   =>  "Sign=WXPay",
"partnerid" =>  WxapiAction::MCHID,
"prepayid"  =>  $prepayid,
"timestamp" =>  $time2

);
$paramarr2["sign"] = $this -> sign($paramarr2);//生成签名
echo json_encode($paramarr2);

}

/**
* 检测配置信息是否完整
*/
public function checkCofigParam(){

if(WxapiAction::APPID == ""){
echo "微信APPID未配置";
exit;
}elseif(WxapiAction::MCHID == ""){
echo "微信商户号MCHID未配置";
exit;
}elseif(WxapiAction::KEY == ""){
echo "微信API密钥KEY未配置";
exit;
}
}
/**
* sign拼装获取
*/
private function sign($param){

$sign = "";
foreach($param as $k => $v){
$sign .= $k."=".$v."&";
}

$sign .= "key=".WxapiAction::KEY;
$sign = strtoupper(md5($sign));
return $sign;

}
/**
* xml转为数组
*/
private function xmlToArray($xmlStr){
$msg = array();
$postStr = $xmlStr;
$msg = (array)simplexml_load_string($postStr, 'SimpleXMLElement', LIBXML_NOCDATA);

return $msg;
}
//微信异步回调认证
public function noify_url(){

$xmlInfo = $GLOBALS['HTTP_RAW_POST_DATA'];

$this -> logecho($xmlInfo);//log打印保存
//解析xml
$arrayInfo = $this -> xmlToArray($xmlInfo);
$this -> wxDate = $arrayInfo;
/* 测试数据打印log数组转字符串=============== */
$test = "";
foreach($arrayInfo as $k => $v){
$test .= $k.":".$v."\t\r\n";
}
/*======================================== */
$this -> logecho("数据打印测试:".$test);//log打印保存
if($arrayInfo['return_code'] == "SUCCESS"){
if($return_msg != null){
echo $this -> returnInfo("FAIL","签名失败");
$this -> logecho("签名失败:".$sign);//log打印保存
}else{
$wxSign = $arrayInfo['sign'];
unset($arrayInfo['sign']);
$arrayInfo['appid']  = WxapiAction::APPID;
$arrayInfo['mch_id'] = WxapiAction::MCHID;
ksort($arrayInfo);//按照字典排序参数数组
$sign = $this -> sign($arrayInfo);//生成签名
$this -> logecho("数据打印测试签名signmy:".$sign."微信sign:".$wxSign);//log打印保存
if($this -> checkSign($wxSign,$sign)){
echo $this -> returnInfo("SUCCESS","OK");
$this -> logecho("签名验证结果成功:".$sign);//log打印保存
$this -> orderServer();//订单处理业务逻辑
}else{
echo $this -> returnInfo("FAIL","签名失败");
$this -> logecho("签名验证结果失败:".$sign);//log打印保存
}

}
}else{
echo $this -> returnInfo("FAIL","签名失败");
}
}
private function returnInfo($type,$msg){
if($type == "SUCCESS"){
return $returnXml = "<xml><return_code><![CDATA[{$type}]]></return_code></xml>";
}else{
return $returnXml = "<xml><return_code><![CDATA[{$type}]]></return_code><return_msg><![CDATA[{$msg}]]></return_msg></xml>";
}

}
//打印log
private function logecho($msg){
$str = file_get_contents("./logwx.txt");
file_put_contents("./logwx.txt",$str."\t\r\n".date("Y:m:d H:i:s")."\t\r\n".$msg);
}
//签名验证
private function checkSign($sign1,$sign2){
return trim($sign1) == trim($sign2);
}
/*fms订单查询加值业务处理
* @param orderNum 订单号
*/
private function orderServer(){
//业务逻辑处理

}
//生成订单号码
private function chargepay_api(){

}
}