The company wants to do wechat payment recently, but it hasn't done it before, but it's not difficult to do it with Alibaba cloud. I found a lot of posts on the Internet, and did five test projects in eclipse, but they didn't succeed in the test. Later, I got off the wechat SDK, and also made a test sample. During the test, I referred to: https://blog.csdn.net/t_james/article/details/84653827#comments
Step 1: download the SDK. https://pay.weixin.qq.com/wiki/doc/api/app/app.php?chapter=11_1
The second step is to prepare the public address appid, MchID and key. https://pay.weixin.qq.com/wiki/doc/api/micropay.php?chapter=3_1 Get,
This is to be registered and applied by the company.
Step 3: open the payment mode. If you want to pay by scanning code (Native payment), please refer to: https://pay.weixin.qq.com/wiki/doc/api/native.php?chapter=2_1
Step 4: import the project into eclipse, as shown in the following figure:
The following is the complete code. If you don't understand it, just one class:
package com.github.wxpay.test;
import java.util.Map;
import java.util.SortedMap;
import java.util.TreeMap;
import com.github.wxpay.sdk.WXPay;
import com.github.wxpay.sdk.WXPayUtil;
import com.github.wxpay.sdk.WxPayConfigImpl;
/**
* Signature verification tool address:
* https://pay.weixin.qq.com/wiki/doc/api/app/app.php?chapter=20_1
*
* Unified order API Description:
* https://pay.weixin.qq.com/wiki/doc/api/native.php?chapter=9_1
* @author 123
*
*/
public class Test {
public static void main(String[] args) {
// TODO Auto-generated method stub
//unifiedOrder();
orderQuery();
}
/**
* Unified order interface < br >
* Scenario: public number payment, code scanning payment, APP payment
*/
public static void unifiedOrder (){
try {
//sdk class reference
WxPayConfigImpl config = WxPayConfigImpl.getInstance();
WXPay pyPay = new WXPay(config);
//Order number (adjust to own production logic)
String out_trade_no = config.getMchID()+"-" + System.currentTimeMillis();
//Public address appid
String appid = config.getAppID();
//Business number
String mch_id = config.getMchID();
//key
String key = config.getKey();
//random number
String nonce_str = WXPayUtil.generateNonceStr();
//Obtain the ip address of the initiating computer, which can be tested with Baidu and other substitutes.
String spbill_create_ip = "123.123.123.123";
//Callback interface (I don't need to use this machine for testing anyway, I'm free to make an accessible one)
String notify_url = "http://www.weixin.qq.com/wxpay/pay.php";
//Pattern
String trade_type = "NATIVE";//"JSAPI";
SortedMap<String,String> packageParams = new TreeMap<String,String>();
packageParams.put("appid", appid);
packageParams.put("mch_id", mch_id);
packageParams.put("nonce_str", nonce_str);
packageParams.put("body", "test-coke"); //(adjust to own name) format: Tencent recharge Center - QQ member recharge
packageParams.put("out_trade_no", out_trade_no);
packageParams.put("total_fee", "10"); //The unit of price is cent
packageParams.put("spbill_create_ip", spbill_create_ip);
packageParams.put("notify_url", notify_url);
packageParams.put("trade_type", trade_type);
Map runMap = pyPay.unifiedOrder(packageParams);
System.out.println("=============returnXml==============");
System.out.println(runMap.toString());
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
//Send out:
// <?xml version="1.0" encoding="UTF-8" standalone="no"?>
// <xml>
// <appid> public address APPID</appid>
// <body>test-coke</body>
// < MCH ﹣ ID > own merchant number < / MCH ﹣ ID >
// <nonce_str>rE8iTtCENf4VSOtOCZ0PIbkuuNklyFpw</nonce_str>
// <notify_url>http://www.weixin.qq.com/wxpay/pay.php</notify_url>
// < out trade no > own merchant No. - 1561942616146 < / out trade no >
// <sign>907192B0875A02F199B45B7F30356644751DF6D4A2AFA77C0F3C226E4A60D276</sign>
// <sign_type>HMAC-SHA256</sign_type>
// <spbill_create_ip>123.123.123.123</spbill_create_ip>
// <total_fee>10</total_fee>
// <trade_type>NATIVE</trade_type>
// </xml>
//Result:
// <xml><return_code><![CDATA[SUCCESS]]></return_code>
// <return_msg><![CDATA[OK]]></return_msg>
// <appid><! [CDATA[public address APPID]]></appid>
// < MCH · ID > < CDATA [own merchant number]] >
// <nonce_str><![CDATA[ayhkOwhZysjBQNR6]]></nonce_str>
// <sign><![CDATA[021F45467BA5119C389D5F08D768CC5A635687057BBD6445E6B7A1BBB34F4AA9]]></sign>
// <result_code><![CDATA[SUCCESS]]></result_code>
// <prepay_id><![CDATA[wx010855154971807287de77f31587946700]]></prepay_id>
// <trade_type><![CDATA[NATIVE]]></trade_type>
// <code_url><![CDATA[weixin://wxpay/bizpayurl?pr=kMwACCs]]></code_url>
// </xml>
//Content after explanation
//{nonce_str=ayhkOwhZysjBQNR6, code_url=weixin://wxpay/bizpayurl?pr=kMwACCs, appid= public number APPID, sign=021F45467BA5119C389D5F08D768CC5A635687057BBD6445E6B7A1BBB34F4AA9, trade_type=NATIVE, return_msg=OK, result_code=SUCCESS, mch_id= own merchant number, return_code=SUCCESS, mch_id=
}
/**
* Query order interface < br >
* Scenario: card payment, public number payment, code scanning payment, APP payment
*/
public static void orderQuery(){
try {
//sdk class reference
WxPayConfigImpl config = WxPayConfigImpl.getInstance();
WXPay pyPay = new WXPay(config);
//Order number
String out_trade_no = "Own merchant number-1561942616146";
//appid
String appid = config.getAppID();
//Business number
String mch_id = config.getMchID();
//random number
String nonce_str = WXPayUtil.generateNonceStr();
//Pattern
String trade_type = "NATIVE";//"JSAPI";
SortedMap<String,String> packageParams = new TreeMap<String,String>();
packageParams.put("appid", appid);
packageParams.put("mch_id", mch_id);
packageParams.put("nonce_str", nonce_str);
packageParams.put("out_trade_no", out_trade_no);
Map runMap = pyPay.orderQuery(packageParams);
System.out.println("=============returnXml==============");
System.out.println(runMap.toString());
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
//Send out
// <?xml version="1.0" encoding="UTF-8" standalone="no"?>
// <xml>
// <appid> public address APPID</appid>
// < MCH ﹣ ID > own merchant number < / MCH ﹣ ID >
// <nonce_str>epQ1ZECqQryQJv0ZOybGc8XIjWTJupNX</nonce_str>
// < out trade no > own merchant No. - 1561942616146 < / out trade no >
// <sign>366964520A9209243A714EAB55D46E542B56152E705814D4DB20FF1567511DA9</sign>
// <sign_type>HMAC-SHA256</sign_type>
// </xml>
//Result:
// <xml><return_code><![CDATA[SUCCESS]]></return_code>
// <return_msg><![CDATA[OK]]></return_msg>
// <appid><! [CDATA[public address APPID]]></appid>
// < MCH · ID > < CDATA [own merchant number]] >
// <device_info><![CDATA[]]></device_info>
// <nonce_str><![CDATA[dewGq9USU04gFwUE]]></nonce_str>
// <sign><![CDATA[94D3B1BFB852E19CB3F421DBC23D5A3AE5A7CBDC9448C8B146959036141EFE2F]]></sign>
// <result_code><![CDATA[SUCCESS]]></result_code>
// <total_fee>10</total_fee>
// < out trade no > <! [CDATA [own merchant number - 1561942616146]]] >
// <trade_state><![CDATA[NOTPAY]]></trade_state>
// < trade state desc > <! [CDATA [order not paid]] >
// </xml>
}
}
Note: wxpayconfigmimpl and WXPayDomainSimpleImpl implementation refer to this brother's Weibo
https://blog.csdn.net/t_james/article/details/84653827#comments
In the code, [public number APPID], [merchant number], [key], [initiating computer ip] these are related to the contents of their own companies or their customers.