private $app_id = 'wxa767bfc7f1f8164d'; //Your appid
private $mch_id = '1600682671'; //Your 商户号
private $makesign ='muxuuxhsjakkdhdbeunxnjkaidhcnbcg'; //Your API支付的签名(在商户平台API安全按钮中获取)
private $parameters=NULL;
private $notify='http://gxwy.a40.com.cn/staff/user/wxhd'; //配置回调地址(给pays中转文件上传到根目录下面)
private $app_secret='4d02d414ff822a57a85d944c919692d8'; //Your appSecret 微信官方获取
public $error = 0;
private $scope = 'snsapi_userinfo';
//进行微信支付
public function wxpayinfo(){
$d = explode(" ", microtime());
$reannumb= date('YmdHis').substr($d[0], 2).rand(1000000000, $d[1]);
Session::set('reannumb',$reannumb);
$pays = $this->request->param('money');
$user_id=Session::get('user_id');
$openid =Session::get('openid');
$data=["uid"=>$user_id,"order_sn"=>$reannumb,'createtime'=>time(),'amount'=>$pays];
$res=Db::name('order')->insert($data);
$order_id=Db::getLastInsID($res);
$order=Db::name('order')->where("id",$order_id)->value('order_sn');
$conf = $this->payconfig($order,$pays * 100, '报名费用支付');
if (!$conf || $conf['return_code'] == 'FAIL'){
exit("<script>alert('对不起，微信支付接口调用错误!" . $conf['return_msg'] . "');history.go(-1);</script>");
}else{
$this->orderid = $conf['prepay_id'];
//微信相关配置如果不正的话，进入支付页面会出现错误信息
//生成页面调用参数
$jsApiObj["appId"] = $conf['appid'];
$timeStamp = time();
$jsApiObj["timeStamp"] = "$timeStamp";
$jsApiObj["nonceStr"] = $this->createNoncestr();
$jsApiObj["package"] = "prepay_id=" . $conf['prepay_id'];
$jsApiObj["signType"] = "MD5";
$jsApiObj["paySign"] = $this->MakeSign($jsApiObj);
//返回支付页面，并将相关参数返回给JS
return $jsApiObj;
}
}
protected function payconfig($no, $fee, $body)
{
$url = "https://api.mch.weixin.qq.com/pay/unifiedorder";
$openid=Session::get('openid');
if ($openid){
Db::startTrans();
try {
$data['appid'] ="wxa767bfc7f1f8164d";
$data['mch_id'] = $this->mch_id; //商户号
$data['device_info'] = 'WEB';
$data['body'] = $body;
$data['out_trade_no'] = $no; //订单号
$data['total_fee'] = $fee; //金额
$data['spbill_create_ip'] = $_SERVER["REMOTE_ADDR"]; //ip地址
$data['notify_url'] ="http://gxwy.a40.com.cn/staff/user/wxhd";
$data['trade_type'] = 'JSAPI';
$data['openid'] =$openid; //获取保存用户的openid
$data['nonce_str'] = $this->createNoncestr();
$data['sign'] = $this->MakeSign($data);
$xml = $this->ToXml($data);
Db::commit();
}catch (Exception $e){
Db::rollback();
$this->error($e->getMessage());
}
}
$curl = curl_init(); // 启动一个CURL会话
curl_setopt($curl, CURLOPT_URL, $url); // 要访问的地址
curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, FALSE);
curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, FALSE);
//设置header
curl_setopt($curl, CURLOPT_HEADER, FALSE);
//要求结果为字符串且输出到屏幕上
curl_setopt($curl, CURLOPT_RETURNTRANSFER, TRUE);
curl_setopt($curl, CURLOPT_POST, TRUE); // 发送一个常规的Post请求
curl_setopt($curl, CURLOPT_POSTFIELDS, $xml); // Post提交的数据包
curl_setopt($curl, CURLOPT_TIMEOUT, 30); // 设置超时限制防止死循环
$tmpInfo = curl_exec($curl); // 执行操作
curl_close($curl); // 关闭CURL会话
$arr = $this->FromXml($tmpInfo);
return $arr;
}
/**
* 作用：产生随机字符串，不长于32位
*/
public function createNoncestr($length = 32){
$chars = "abcdefghijklmnopqrstuvwxyz0123456789";
$str = "";
for ($i = 0; $i < $length; $i++) {
$str .= substr($chars, mt_rand(0, strlen($chars) - 1), 1);
}
return $str;
}
//
/**
* 作用：产生随机字符串，不长于32位
*/
public function randomkeys($length)
{
$pattern = '1234567890123456789012345678905678901234';
$key = null;
for ($i = 0; $i < $length; $i++) {
$key .= $pattern{mt_rand(0, 30)}; //生成php随机数
}
return $key;
}
/**
* 将xml转为array
* @param string $xml
* @throws WxPayException
*/
public function FromXml($xml)
{
//将XML转为array
return json_decode(json_encode(simplexml_load_string($xml, 'SimpleXMLElement', LIBXML_NOCDATA)), true);
}
/**
* 输出xml字符
* @throws WxPayException
**/
public function ToXml($arr)
{
$xml = "<xml>";
foreach ($arr as $key => $val) {
if (is_numeric($val)) {
$xml .= "<" . $key . ">" . $val . "</" . $key . ">";
} else {
$xml .= "<" . $key . "><![CDATA[" . $val . "]]></" . $key . ">";
}
}
$xml .= "</xml>";
return $xml;
}
/**
* 生成签名
* @return 签名，本函数不覆盖sign成员变量，如要设置签名需要调用SetSign方法赋值
*/
protected function MakeSign($arr)
{
//签名步骤一：按字典序排序参数
ksort($arr);
$string = $this->ToUrlParams($arr);
//签名步骤二：在string后加入KEY
$string = $string . "&key=" . $this->makesign;
//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 $result;
}
/**
* 格式化参数格式化成url参数
*/
protected function ToUrlParams($arr)
{
$buff = "";
foreach ($arr as $k => $v) {
if ($k != "sign" && $v != "" && !is_array($v)) {
$buff .= $k . "=" . $v . "&";
}
}
$buff = trim($buff, "&");
return $buff;
}
html
$(".button-buy").click(function () {
var money = $("input[name='money']").val();
$.ajax({
url: "{:url('user/wxpayinfo')}",
type: 'post',
dataType: 'json',
data: {money: money},
success:function(data){
WeixinJSBridge.invoke(
'getBrandWCPayRequest',
{
"appId":data.appId,
"nonceStr":data.nonceStr,
"package":data.package,
"paySign":data.paySign,
"signType":data.signType,
"timeStamp":data.timeStamp
},
function(res){
if(res.err_msg == 'get_brand_wcpay_request:ok'){
alert('恭喜您，支付成功');
}
}
);
}
});
})
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();
}
}