Provides various official and user-released code examples. For code reference, you are welcome to learn about the QR code payment mode and callback implementation.
Controller:
Namespace Home \ Controller;
Use Think \ Controller;
/********* QR code scanning mode 2 payment *********/
Class WxpayController extends Controller {
// Introduce the relevant class library in the class initialization method
Public function _ initialize () {// This is the official demo file. I have introduced other files to the api file. You can introduce them one by one as you like.
Vendor ('wxpay. lib. Wxpay # api ');
}
// Pay
Public function index (){
R ('Public/header ');
$ Host = 'HTTP: // '. $ _ SERVER ['HTTP _ host']; // obtain the current domain name
$ Notify = new \ NativePay (); // instantiate the class
$ WxPayConfig = new \ WxPayConfig (); // instantiate the class
$ Input = new \ WxPayUnifiedOrder (); // instantiate the class
$ Input-> SetBody ($ _ POST ['body']); // order description
$ Input-> SetOut_trade_no ($ _ POST ['out _ trade_no ']); // Bill No.
$ Input-> SetTotal_fee ($ _ POST ['total _ 0000'] * 100); // The payment amount is in units. Therefore, the passed parameter is multiplied by 100.
$ Input-> setpolicy_url ($ host. "/Wxpay/policy.html"); // callback address
$ Input-> SetTrade_type ("NATIVE ");
$ Input-> SetProduct_id ($ _ POST ['product _ id']); // item id
$ Result = $ Y-> GetPayUrl ($ input); // scan mode 2
$ Codeurl = $ result ["code_url"];
$ This-> assign ('codeurl', $ codeurl );
// Here you can add your order receiving code
$ This-> display ();
}
// Callback after successful payment
Public function required y (){
$ Xml = $ GLOBALS ['HTTP _ RAW_POST_DATA ']; // The returned xml
File_put_contents (dirname (_ FILE _). '/xml.txt', $ xml); // record whether the xml.txt FILE contains content after the log payment is successful. If an xml FILE exists, the callback is successful.
// File_get_contents (dirname (_ FILE _). '/xml.txt ');
$ XmlObj = simplexml_load_string ($ xml, 'simplexmlelement', LIBXML_NOCDATA );
$ XmlArr = json_decode (json_encode ($ xmlObj), true );
$ Out_trade_no = $ xmlArr ['out _ trade_no ']; // Order Number
$ Total_amount = $ xmlArr ['total _ 0000']/100; // The amount in the xml file returned after callback is in units
$ Result_code = $ xmlArr ['result _ Code']; // status
If ($ result_code = 'success') {// database operation
// Process database operations, such as modifying the order status to recharge the account, etc.
Echo 'success '; // the SUCCESS of the return must be carried to the end. Otherwise, the callback will be performed eight times.
Exit;
} Else {// failed
Return;
Exit;
}
}
}
Template file:
Scan the following QR code to recharge your account.
1. png (23.19 KB download: 9 times)
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