php微信扫码支付 php公众号支付

本文实例为大家分享了php微信扫码支付，公众号支付的具体代码，供大家参考，具体内容如下

<?php
 
# 微信统一下单接口
$url = 'https://api.mch.weixin.qq.com/pay/unifiedorder';
 
 
$param = [
  'appid' => '公众号id',
  'mch_id' => '商户id',
  'nonce_str' =>uniqid(),
  'sign_type' => 'MD5',
  'body' => 'test',
  'detail' => 'test detail',
  'out_trade_no' => date('Ymd').rand(10000,99999),
  'total_fee' => 1,
  'notify_url' => 'http://www.test.top/testpay/pay.php',
  'trade_type' =>'JSAPI',
];
 
 
ksort( $param );
 
$sign_str = urldecode(http_build_query( $param ));
 
 
$sign_str .= '&key=商户密钥';
 
 
//echo $sign_str;exit;
 
$sign_str = md5( $sign_str );
 
 
$param['sign'] = strtoupper( $sign_str );
 
function CurlPost($url, $param = [], $is_post = 1, $timeout = 5 )
{
 
  //初始化curl
  $curl = curl_init();
 
  // 设置请求的路径
  curl_setopt($curl, CURLOPT_URL, $url);
 
  if ($is_post == 1) {
    //设置POST提交
    curl_setopt($curl, CURLOPT_POST, 0);
  }
 
  //显示输出结果 1代表 把接口返回的结果当作一个字符串处理
  curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
 
  // 设置请求超时时间
  curl_setopt($curl, CURLOPT_TIMEOUT, $timeout);
 
  curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, false);
  curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false);
 
 
  if ($is_post == 1) {
    //提交数据 -- 设置post提交的数据
    if (is_array($param)) {
 
      //http_build_query
      curl_setopt($curl, CURLOPT_POSTFIELDS, http_build_query($param));
    } else {
      curl_setopt($curl, CURLOPT_POSTFIELDS, $param);
    }
  }
 
  //执行请求
  $data = $data_str = curl_exec($curl);
  //处理错误
  if ($error = curl_error($curl)) {
    $log_data = array(
      'url' => $url,
      'param' => $param,
      'error' => '<span style="color:red;font-weight: bold">' . $error . '</span>',
    );
 
    var_dump($log_data);
    exit;
  }
 
  # 关闭CURL
  curl_close($curl);
 
 
  //json数据转换为数组
  $data = json_decode($data, true);
 
  if (!is_array($data)) {
    $data = $data_str;
  }
 
  #调用玩接口之后写一个日志
  $log = [
    'url' => $url,
    'param' => $param,
    'response' => $data_str
  ];
  file_put_contents(__DIR__ . '/wechat.log', print_r($log, true), 8);
 
  return $data;
 
}
function arr2Xml( $arr ){
 
  $xml = '<xml version="1.0" encoding="UTF-8"> ';
  foreach( $arr as $key => $value ){
    if (is_numeric($value)){
      $xml.="<".$key.">".$value."</".$key.">";
    }else{
      $xml.="<".$key."><![CDATA[".$value."]]></".$key.">";
    }
 
  }
  $xml .= '</xml>';
  return $xml;
}
 
$xml = arr2Xml( $param );
 
$result = CurlPost( $url , arr2Xml($param) );
 
 
$api_arr = json_decode( json_encode(simplexml_load_string( $result , 'SimpleXMLElement', LIBXML_NOCDATA) ), true );
 
if( $api_arr['return_code'] == 'SUCCESS' ){
 
  include __DIR__ . '/phpqrcode.php';
  header('content-type:image/png');
  echo Qrcode::png( $api_arr['code_url'] , false , 'H' , 6 ,2 );
}

<?php
 
#微信统一下单接口
$url='https://api.mch.weixin.qq.com/pay/unifiedorder';
 
$param=[
  #公众账号ID
  'appid'=>'****',
  'mch_id'=>'***',
  'nonce_str'=>uniqid(),
  'sign_type'=>'MD5',
  'body'=>'test',
  'detail'=>'detail',
  'out_trade_no'=>date('Ymd').rand(10000,99999),
  'total_fee'=>1,
  'spbill_create_ip'=>$_SERVER['SERVER_ADDR'],
  'notify_url'=>'http://****/test.php',
  'trade_type'=>'NATIVE',
];
ksort($param);
 
$sign_str=urldecode(http_build_query($param));
 
$sign_str.='&key=8934e7d15453e97507ef794cf7b0519d';
 
$sign_str=md5($sign_str);
 
$param['sign']=strtoupper($sign_str);
 
//print_r($param);exit;
function CurlPost($url, $param = [], $is_post = 1, $timeout = 5 )
{
  //初始化curl
  $curl = curl_init();
 
  // 设置请求的路径
  curl_setopt($curl, CURLOPT_URL, $url);
 
  if ($is_post == 1) {
    //设置POST提交
    curl_setopt($curl, CURLOPT_POST, 0);
  }
 
  //显示输出结果 1代表 把接口返回的结果当作一个字符串处理
  curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
 
  // 设置请求超时时间
  curl_setopt($curl, CURLOPT_TIMEOUT, $timeout);
 
  curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, false);
  curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false);
 
 
  if ($is_post == 1) {
    //提交数据 -- 设置post提交的数据
    if (is_array($param)) {
 
      //http_build_query
      curl_setopt($curl, CURLOPT_POSTFIELDS, http_build_query($param));
    } else {
      curl_setopt($curl, CURLOPT_POSTFIELDS, $param);
    }
  }
 
  //执行请求
  $data = $data_str = curl_exec($curl);
  //处理错误
  if ($error = curl_error($curl)) {
    $log_data = array(
      'url' => $url,
      'param' => $param,
      'error' => '<span style="color:red;font-weight: bold">' . $error . '</span>',
    );
 
    var_dump($log_data);
    exit;
  }
 
  # 关闭CURL
  curl_close($curl);
 
 
  //json数据转换为数组
  $data = json_decode($data, true);
 
  if (!is_array($data)) {
    $data = $data_str;
  }
 
  #调用玩接口之后写一个日志
  $log = [
    'url' => $url,
    'param' => $param,
    'response' => $data_str
  ];
  file_put_contents(__DIR__ . '/wechat.log', print_r($log, true), 8);
 
  return $data;
 
}
 
function arrzxml($arr){
  $xml='<xml version="1.0" encoding="UTF-8">';
  foreach($arr as $key=>$value){
    if(is_numeric($value)){
      $xml.="<".$key.">".$value."</".$key.">";
    }else{
      $xml.="<".$key."><![CDATA[".$value."]]></".$key.">";
    }
 
  }
  $xml.='</xml>';
//  var_dump($xml);exit;
  return $xml;
 
}
 
$xml=arrzxml($param);
$result=CurlPost($url,arrzxml($param));
//echo '<pre/>';
var_dump($result);
exit;
$api_arr=json_decode(simplexml_load_string($result,'SimpleXMLElement',LIBXML_NOCDATA),true);
if($result['return_code']=='SUCCESS'){
  include __DIR__.'/phpqrcode.php';
  header('content-type:image/png');
  echo Qrcode::png($api_arr['code_url'],false,'H',6,2);
 
}