增加充值模块，接通支付宝充值

novel-front/src/main/java/com/java2nb/novel/controller/PayController.java

@@ -0,0 +1,153 @@
+package com.java2nb.novel.controller;
+
+import com.alipay.api.AlipayClient;
+import com.alipay.api.DefaultAlipayClient;
+import com.alipay.api.internal.util.AlipaySignature;
+import com.alipay.api.request.AlipayTradePagePayRequest;
+import com.java2nb.novel.core.bean.UserDetails;
+import com.java2nb.novel.core.config.AlipayConfig;
+import com.java2nb.novel.service.OrderService;
+import lombok.RequiredArgsConstructor;
+import lombok.SneakyThrows;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import java.io.PrintWriter;
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.Map;
+
+/**
+ * @author 11797
+ */
+@Controller
+@RequestMapping("pay")
+@RequiredArgsConstructor
+@Slf4j
+public class PayController extends BaseController {
+
+
+    private final AlipayConfig alipayConfig;
+
+    private final OrderService orderService;
+
+
+    /**
+     * 支付宝支付
+     */
+    @SneakyThrows
+    @PostMapping("aliPay")
+    public void aliPay(Integer payAmount,HttpServletRequest request,HttpServletResponse httpResponse) {
+
+        UserDetails userDetails = getUserDetails(request);
+        if (userDetails == null) {
+            //未登录，跳转到登陆页面
+            httpResponse.sendRedirect("/user/login.html?originUrl=/pay/aliPay?payAmount="+payAmount);
+            return;
+        }else {
+            //创建充值订单
+            Long outTradeNo = orderService.createPayOrder((byte)1,payAmount,userDetails.getId());
+
+            //获得初始化的AlipayClient
+            AlipayClient alipayClient = new DefaultAlipayClient(alipayConfig.getGatewayUrl(), alipayConfig.getAppId(), alipayConfig.getMerchantPrivateKey(), "json", alipayConfig.getCharset(), alipayConfig.getPublicKey(), alipayConfig.getSignType());
+            //创建API对应的request
+            AlipayTradePagePayRequest alipayRequest = new AlipayTradePagePayRequest();
+            alipayRequest.setReturnUrl(alipayConfig.getReturnUrl());
+            //在公共参数中设置回跳和通知地址
+            alipayRequest.setNotifyUrl(alipayConfig.getNotifyUrl());
+            //填充业务参数
+            alipayRequest.setBizContent("{" +
+                    "    \"out_trade_no\":\"" + outTradeNo + "\"," +
+                    "    \"product_code\":\"FAST_INSTANT_TRADE_PAY\"," +
+                    "    \"total_amount\":" + payAmount + "," +
+                    "    \"subject\":\"小说精品屋-plus\"" +
+                    "  }");
+            //调用SDK生成表单
+            String form = alipayClient.pageExecute(alipayRequest).getBody();
+
+            httpResponse.setContentType("text/html;charset=utf-8");
+            //直接将完整的表单html输出到页面
+            httpResponse.getWriter().write(form);
+            httpResponse.getWriter().flush();
+            httpResponse.getWriter().close();
+        }
+
+
+
+
+    }
+
+    /**
+     * 支付宝支付通知
+     * */
+    @SneakyThrows
+    @RequestMapping("aliPay/notify")
+    public void aliPayNotify(HttpServletRequest request,HttpServletResponse httpResponse){
+
+
+        PrintWriter out = httpResponse.getWriter();
+
+        //获取支付宝POST过来反馈信息
+        Map<String,String> params = new HashMap<String,String>();
+        Map<String,String[]> requestParams = request.getParameterMap();
+        for (Iterator<String> iter = requestParams.keySet().iterator(); iter.hasNext();) {
+            String name = (String) iter.next();
+            String[] values = (String[]) requestParams.get(name);
+            String valueStr = "";
+            for (int i = 0; i < values.length; i++) {
+                valueStr = (i == values.length - 1) ? valueStr + values[i]
+                        : valueStr + values[i] + ",";
+            }
+            params.put(name, valueStr);
+        }
+
+        //调用SDK验证签名
+        boolean signVerified = AlipaySignature.rsaCheckV1(params, alipayConfig.getPublicKey(), alipayConfig.getCharset(), alipayConfig.getSignType());
+
+        //——请在这里编写您的程序（以下代码仅作参考）——
+
+	/* 实际验证过程建议商户务必添加以下校验：
+	1、需要验证该通知数据中的out_trade_no是否为商户系统中创建的订单号，
+	2、判断total_amount是否确实为该订单的实际金额（即商户订单创建时的金额），
+	3、校验通知中的seller_id（或者seller_email) 是否为out_trade_no这笔单据的对应的操作方（有的时候，一个商户可能有多个seller_id/seller_email）
+	4、验证app_id是否为该商户本身。
+	*/
+        if(signVerified) {
+            //验证成功
+            //商户订单号
+            String outTradeNo = new String(request.getParameter("out_trade_no").getBytes("ISO-8859-1"),"UTF-8");
+
+            //支付宝交易号
+            String tradeNo = new String(request.getParameter("trade_no").getBytes("ISO-8859-1"),"UTF-8");
+
+            //交易状态
+            String tradeStatus = new String(request.getParameter("trade_status").getBytes("ISO-8859-1"),"UTF-8");
+
+            //更新订单状态
+            orderService.updatePayOrder(Long.parseLong(outTradeNo), tradeNo, tradeStatus);
+
+
+            out.println("success");
+
+        }else {//验证失败
+            out.println("fail");
+
+            //调试用，写文本函数记录程序运行情况是否正常
+            //String sWord = AlipaySignature.getSignCheckContentV1(params);
+            //AlipayConfig.logResult(sWord);
+        }
+
+
+
+    }
+
+
+
+
+
+
+}