在 com.cya.controller 包下新建 PayController.java 类

package com.cya.controller;

import java.io.IOException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.List;

import javax.annotation.Resource;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import org.springframework.http.HttpRequest;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;

import com.cya.entity.Order;
import com.cya.entity.Person;
import com.cya.service.IPayService;
import com.sun.org.apache.bcel.internal.generic.NEW;

@Controller
@ResponseBody
public class PayController {
	
	@Resource
	private IPayService payService;
	
	@RequestMapping("pay")
    public void pay( HttpServletRequest request, HttpServletResponse response) {
		String orderId=""; //订单ID
		String shopName="无名商品";  //商品名称
		Double shopPrice=0.0; //商品价格
		String orderDesc="暂无描述";  //商品描述
		
		if(request.getParameter("orderId") != null && !request.getParameter("orderId").equals("")) {
			orderId=request.getParameter("orderId");
		}
		if(request.getParameter("shopName") != null && !request.getParameter("shopName").equals("")) {
			shopName=request.getParameter("shopName");
		}
		if(request.getParameter("shopPrice") != null && !request.getParameter("shopPrice").equals("")) {
			shopPrice=Double.valueOf(request.getParameter("shopPrice"));
		}
		if(request.getParameter("orderDesc") != null && !request.getParameter("orderDesc").equals("")) {
			orderDesc=request.getParameter("orderDesc");
		}
		
		//创建订单对象，设置相关数据
		Order order=new Order();
		order.setOrderId(orderId);
		order.setShopName(shopName);
		order.setShopPrice(shopPrice);
		order.setOrderTime(getNowTime());
		order.setOrderDesc(orderDesc);
		
		//把订单信息保存到httpSession中
		HttpSession httpSession=request.getSession();
		httpSession.setAttribute("order", order);
		//跳转到支付页面
		try {
			System.out.println("re:"+request.getSession().getAttribute("order"));
			response.sendRedirect(request.getContextPath()+"/wappay/pay.jsp");
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
    }
	
	
	//完成支付，写入数据库
	@RequestMapping("complete")
	public void complete(HttpServletRequest request, HttpServletResponse response) {
	   
		//从session中获取定点信息
		Order order=(Order)request.getSession().getAttribute("order");
		try {
			//将数据插入到订单表中
			payService.insertOrder(order);
			response.sendRedirect(request.getContextPath()+"/payDemo.html");
		} catch (Exception e) {
			// TODO: handle exception
			e.printStackTrace();
		}
	
	}
	
	//获取所有订单
	@RequestMapping("getOrders")
	public List getOrders(){
		Listorders=payService.getOrder();
		System.out.println("orders"+orders);
		return orders;
	}
	
	public String getNowTime() {
 //格式化日期 pattern
 SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");//HH24小时制、hh12小时制
 String eventDate;
 eventDate =  formatter.format(new Date());
 return eventDate;
	}
	
}

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<%@page import="com.alipay.config.AlipayConfig" %>
<%@page import="com.alipay.api.AlipayClient"%>
<%@page import="com.alipay.api.DefaultAlipayClient"%>
<%@page import="com.alipay.api.AlipayApiException"%>
<%@page import="com.alipay.api.response.AlipayTradeWapPayResponse"%>
<%@page import="com.alipay.api.request.AlipayTradeWapPayRequest"%>
<%@page import="com.alipay.api.domain.AlipayTradeWapPayModel" %>
<%@page import="com.alipay.api.domain.AlipayTradeCreateModel"%>

<%
  
%>
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %>
<%@page import="com.cya.entity.Order"%>

<%

%>
<%
if(request.getParameter("WIDout_trade_no")!=null){
	// 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 = new String(request.getParameter("WIDout_trade_no").getBytes("ISO-8859-1"),"UTF-8");
	// 订单名称，必填
    String subject = new String(request.getParameter("WIDsubject").getBytes("ISO-8859-1"),"UTF-8");
	System.out.println(subject);
    // 付款金额，必填
    String total_amount=new String(request.getParameter("WIDtotal_amount").getBytes("ISO-8859-1"),"UTF-8");
    // 商品描述，可空
    String body = new String(request.getParameter("WIDbody").getBytes("ISO-8859-1"),"UTF-8");
    // 超时时间 可空
   String timeout_express="2m";
    // 销售产品码 必填
    String product_code="QUICK_WAP_WAY";
    
    // SDK 公共请求类，包含公共请求参数，以及封装了签名与验签，开发者无需关注签名与验签     
    //调用RSA签名方式
    AlipayClient client = new DefaultAlipayClient(AlipayConfig.URL, AlipayConfig.APPID, AlipayConfig.RSA_PRIVATE_KEY, AlipayConfig.FORMAT, AlipayConfig.CHARSET, AlipayConfig.ALIPAY_PUBLIC_KEY,AlipayConfig.SIGNTYPE);
    AlipayTradeWapPayRequest alipay_request=new AlipayTradeWapPayRequest();
    
    // 封装请求支付信息
    AlipayTradeWapPayModel model=new AlipayTradeWapPayModel();
    model.setOutTradeNo(out_trade_no);
    model.setSubject(subject);
    model.setTotalAmount(total_amount);
    model.setBody(body);
    model.setTimeoutExpress(timeout_express);
    model.setProductCode(product_code);
    alipay_request.setBizModel(model);
    // 设置异步通知地址
    alipay_request.setNotifyUrl(AlipayConfig.notify_url);
    // 设置同步地址
    alipay_request.setReturnUrl(AlipayConfig.return_url);   
    
    // form表单生产
    String form = "";
	try {
		// 调用SDK生成表单
		form = client.pageExecute(alipay_request).getBody();
		response.setContentType("text/html;charset=" + AlipayConfig.CHARSET); 
	    response.getWriter().write(form);//直接将完整的表单html输出到页面 
	    response.getWriter().flush(); 
	    response.getWriter().close();
	} catch (AlipayApiException e) {
		// TODO Auto-generated catch block
		e.printStackTrace();
	} 
}
%>


	
	
	




 
支付宝手机网站支付接口快速通道(接口名：alipay.trade.wap.pay)


 

     

  

      
商户订单号：
      

   
      
      

      
订单名称：
      

   
      
      

      
付款金额：
      

   
      
      

      
商品描述：
      

   
      
      

      

      

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