源码下载
config
import java.io.FileWriter;
import java.io.IOException;
public class AlipayConfig {
// 应用ID,您的APPID，收款账号既是您的APPID对应支付宝账号
public static String app_id = "";
// 商户私钥，您的PKCS8格式RSA2私钥
public static String merchant_private_key = "";
// 支付宝公钥,查看地址：https://openhome.alipay.com/platform/keyManage.htm 对应APPID下的支付宝公钥。
public static String alipay_public_key = "";
// 服务器异步通知页面路径 需http://格式的完整路径，不能加?id=123这类自定义参数，必须外网可以正常访问
public static String notify_url = "http://www.bing.com";
// 页面跳转同步通知页面路径 需http://格式的完整路径，不能加?id=123这类自定义参数，必须外网可以正常访问
// 即支付成功之后，需要跳转到的页面，一般为网站的首页
public static String return_url = "http://www.baidu.com";
// 签名方式
public static String sign_type = "RSA2";
// 字符编码格式
public static String charset = "utf-8";
// 支付宝网关
public static String gatewayUrl = "https://openapi-sandbox.dl.alipaydev.com/gateway.do";
// 日志存储路径
public static String log_path = "C:\\";
/**
* 写日志，方便测试（看网站需求，也可以改成把记录存入数据库）
* @param sWord 要写入日志里的文本内容
*/
public static void logResult(String sWord) {
FileWriter writer = null;
try {
writer = new FileWriter(log_path + "alipay_log_" + System.currentTimeMillis()+".txt");
writer.write(sWord);
} catch (Exception e) {
e.printStackTrace();
} finally {
if (writer != null) {
try {
writer.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
}
}
AliPayController
import com.dysy.alipay.service.AlipayService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.CrossOrigin;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;
import java.util.Date;
@CrossOrigin
@RequestMapping("/pay")
@Controller
public class AliPayController {
@Autowired
private AlipayService alipayService;
@GetMapping("/hello")
public String hello() {
return "index";
}
/**
* 跳转到支付界面
* @return
* @throws Exception
*/
@GetMapping("/topay")
@ResponseBody
public String pay() throws Exception {
String form = alipayService.toPay(String.valueOf(new Date().getTime()),
720.0, "易购商城", "订单描述");
return form;
}
}
Service
AlipayService
service
import com.alipay.api.AlipayClient;
import com.alipay.api.DefaultAlipayClient;
import com.alipay.api.request.AlipayTradePagePayRequest;
import com.alipay.api.response.AlipayTradePagePayResponse;
import com.dysy.alipay.config.AlipayConfig;
import org.springframework.stereotype.Service;
@Service
public interface AlipayService {
public String toPay(String orderId, double price, String orderName, String orderDesc) throws Exception;
}
AlipayServiceImpl
import com.alipay.api.AlipayClient;
import com.alipay.api.DefaultAlipayClient;
import com.alipay.api.request.AlipayTradePagePayRequest;
import com.alipay.api.response.AlipayTradePagePayResponse;
import com.dysy.alipay.config.AlipayConfig;
import com.dysy.alipay.service.AlipayService;
import org.springframework.stereotype.Service;
@Service
public class AlipayServiceImpl implements AlipayService {
public String toPay(String orderId, double price, String orderName, String orderDesc) throws Exception{
//获得初始化的AlipayClient
AlipayClient alipayClient = new DefaultAlipayClient(AlipayConfig.gatewayUrl, AlipayConfig.app_id, AlipayConfig.merchant_private_key, "json", AlipayConfig.charset, AlipayConfig.alipay_public_key, AlipayConfig.sign_type);
//设置请求参数
AlipayTradePagePayRequest alipayRequest = new AlipayTradePagePayRequest();
alipayRequest.setReturnUrl(AlipayConfig.return_url);
alipayRequest.setNotifyUrl(AlipayConfig.notify_url);
//商户订单号，商户网站订单系统中唯一订单号，必填
String out_trade_no = orderId;
//付款金额，必填
String total_amount = String.valueOf(price);
//订单名称，必填
String subject = orderName;
//商品描述，可空
String body = orderDesc;
alipayRequest.setBizContent("{\"out_trade_no\":\""+ out_trade_no +"\","
+ "\"total_amount\":\""+ total_amount +"\","
+ "\"subject\":\""+ subject +"\","
+ "\"body\":\""+ body +"\","
+ "\"product_code\":\"FAST_INSTANT_TRADE_PAY\"}");
String form = "";
AlipayTradePagePayResponse response = alipayClient.pageExecute(alipayRequest);
if (response.isSuccess()) {
form = alipayClient.pageExecute(alipayRequest).getBody();
}
// 这里返回的 form 是一个字符串，里面封装了支付的表单信息
//（即 html 标签 和 javascript 代码），直接将这个 form 输出到页面即可。
return form;
}
}
util
FileUtils
import java.io.BufferedReader;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;
public class FileUtils {
public static String readFileOfTxt(String path){
StringBuilder sb = new StringBuilder();
try(BufferedReader bufferedReader = new BufferedReader(new FileReader(path))) {
char[] buf = new char[1024];
int len = -1;
while ((len = bufferedReader.read(buf)) != -1) {
sb.append(new String(buf, 0, len));
}
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
return sb.toString();
}
}
JSONUtils
package com.dysy.alipay.util;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.ObjectMapper;
import java.util.Map;
public class JSONUtils {
private static final ObjectMapper mapper = new ObjectMapper();
public static Map<String, Object> jsonToMap(String jsonStr) throws JsonProcessingException {
Map<String, Object> map = mapper.readValue(jsonStr, Map.class);
return map;
}
}
templates
<form action="/pay/topay">
<button type="submit">付款</button>
</form>
