微信小プログラムのwx.requestPaymentが微信決済を開始

wx.requestPaymentが微信決済を開始
timeStampタイムスタンプ
noncesStrランダム文字列
Package統合単一インタフェースから返されるprepay_idパラメータ値
SignType署名アルゴリズム
paySign支払署名
successインタフェースのコールバックに成功
failインタフェース失敗コールバック
completeインタフェースはコールバックを完了します(成功、失敗はすべて実行します)
1.バックグラウンドインタフェースを先に呼び出し、基本データを生産する

1. //
2. Api.BalancePay({
3. openid: openid,
4. amount: amount,
5. bid: bid,
6. }).then(res => {
7. if (res.errno) {
8. wx.showToast({ title: res.errdesc });
9. return;
10. }
11. var data = res. data;
12. ...
13. })

？

。

id 。

。

。

。

1. public function unifiedorder($openid,$order_num,$total_fee,$products_name){
2. $trade_no = $order_num;
3. $url = 'https://api.mch.weixin.qq.com/pay/unifiedorder';
4. $data = [
5. 'appid' => C( 'APPID'),
6. 'mch_id' => C( 'MCHID'),
7. 'nonce_str' => $this->createNonceStr(),
8. 'sign_type' => 'MD5',
9. 'body' => $products_name, //
10. 'attach' => C( 'PAY_ATTACH_NAME'),
11. 'out_trade_no' => $trade_no, //
12. 'fee_type' => 'CNY',
13. 'total_fee' => $total_fee,
14. 'spbill_create_ip' => $_SERVER[ 'REMOTE_ADDR'],
15. 'goods_tag' => C( 'PAY_ATTACH_NAME'),
16. 'notify_url' => 'https://a.squmo.com/'.C( 'PAY_URL_NAME'). '/Recharge/order_notice',
17. 'trade_type' => 'JSAPI',
18. 'openid' => $openid
19. ];
21. //
22. $sign = $this->MakeSign($data);
23. $data[ 'sign'] = $sign;
24. $xml = $this->ToXml($data);
25. vendor( 'Func.Http');
26. //
27. $result = $this->FromXml(Http::postXmlCurl($url,$xml));
28. return $result;
29. }

， 。

1. $unifiedorder = $this->unifiedorder($openid,$order_num,$total_price,$products_name);
2. $data = [
3. 'appId' => C( 'APPID'),
4. 'timeStamp' => time(),
5. 'nonceStr' => $this->createNonceStr(),
6. 'package' => 'prepay_id='.$unifiedorder[ 'prepay_id'],
7. 'signType' => 'MD5'
8. ];
9. //
10. $sign = $this->MakeSign($data);
11. $data[ 'sign'] = $sign;
12. $this->json->setAttr( 'data',$data);
13. $this->json->Send();

2.

1. wx.requestPayment({
2. 'timeStamp': data.timeStamp.toString(),
3. 'nonceStr': data.nonceStr,
4. 'package': data.package,
5. 'signType': 'MD5',
6. 'paySign': data.sign,
7. 'success': function (res) {
8. console.log( ' ');
9. },
10. 'fail': function (res) {
11. console.log( ' ');
12. return;
13. },
14. 'complete': function (res) {
15. console.log( ' ');
16. var url = that.data.url;
17. console.log( 'get url', url)
18. if (res.errMsg == 'requestPayment:ok') {
19. wx.showModal({
20. title: ' ',
21. content: ' '
22. });
23. if (url) {
24. setTimeout( function () {
25. wx.redirectTo({
26. url: '/pages' + url
27. });
28. }, 2000)
29. } else {
30. setTimeout( () => {
31. wx.navigateBack()
32. }, 2000)
33. }
34. }
35. return;
36. }
37. });

3. （ ）

1. //
2. public function order_notice(){
3. // post
4. $xml = $GLOBALS[ 'HTTP_RAW_POST_DATA'];
5. //
6. $data = $this->FromXml($xml);
7. // sign
8. $data_sign = $data[ 'sign'];
9. // sign
10. unset($data[ 'sign']);
12. $sign = $this->makeSign($data);
13. //
14. if ( ($sign===$data_sign) && ($data[ 'return_code']== 'SUCCESS') && ($data[ 'result_code']== 'SUCCESS') ) {
15. $result = $data;
16. //
17. $order_num = $data[ 'out_trade_no']; //
18. $openid = $data[ 'openid']; // openID
19. $total_fee = $data[ 'total_fee']; //
20. $transaction_id = $data[ 'transaction_id']; //
21. $user = M( 'user');
22. $user_flag = $user->where( array( 'openid'=>$openid))->find();
23. $save_data = array(
24. 'total_payed_price' => $total_fee, //
25. 'transaction_id' => $transaction_id,
26. 'paytime' => time(),
27. 'status' => 2 //1 ;2 ;3 ;4 ；5
28. );
29. $recharge = M( 'recharge');
30. $recharge_flag=$recharge->where( array( 'recoder'=>$order_num, 'uid'=>$user_flag[ 'id']))->find();
31. $recharge_amount=$recharge_flag[ 'amount'];
32. $recharge_save_flag =$recharge->where( array( 'recoder'=>$order_num, 'uid'=>$user_flag[ 'id']))->save($save_data);
33. if($recharge_save_flag){
34. $save_balance[ 'balance']= $user_flag[ 'balance']+$recharge_amount;
35. $result_balance =$user->where( array( 'openid'=>$openid))->save($save_balance);
36. }
37. } else{
38. $result = false;
39. }
40. //
41. if ($result) {
42. $str= '';
43. } else{
44. $str= '';
45. }
46. echo $str;
47. return $result;
48. }

1. public function FromXml($xml)
2. {
3. if(!$xml){
4. throw new WxPayException( "xml ！");
5. }
6. // XML array
7. // xml
8. libxml_disable_entity_loader( true);
9. $this->values = json_decode(json_encode(simplexml_load_string($xml, 'SimpleXMLElement', LIBXML_NOCDATA)), true);
10. return $this->values;
11. }
13. public function ToXml($array){
14. if(!is_array($array)|| count($array) <= 0){
15. return ;
16. }
17. $xml = '';
18. foreach ($array as $key=>$val){
19. if (is_numeric($val)){
20. $xml.= ".$key. ">".$val. "".$key. ">";
21. } else{
22. $xml.= ".$key. ">.$val. "]]>".$key. ">";
23. }
24. }
25. $xml.= "";
26. return $xml;
27. }
29. private function MakeSign($data)
30. {
31. // ：
32. ksort($data);
33. $string = $this->ToUrlParams($data);
34. // ： string KEY
35. $string = $string . "&key=".C( 'WEIXIN_PAY_KEY');
36. // ：MD5
37. $string = md5($string);
38. // ：
39. $result = strtoupper($string);
40. return $result;
41. }
43. private function ToUrlParams($array)
44. {
45. $buff = "";
46. foreach ($array as $k => $v)
47. {
48. if($k != "sign" && $v != "" && !is_array($v)){
49. $buff .= $k . "=" . $v . "&";
50. }
51. }
52. $buff = trim($buff, "&");
53. return $buff;
54. }