支付宝APP支付

最新推荐文章于 2024-08-11 11:42:14 发布

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最新推荐文章于 2024-08-11 11:42:14 发布 · 700 阅读

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支付宝支付和微信支付一样，后端只需要关心三个接口，其他的交给前端，前端集成sdk去操作

https://docs.open.alipay.com/204

<!-- 支付宝支付官方SDK -->
<dependency>
   <groupId>com.alipay.sdk</groupId>
   <artifactId>alipay-sdk-java</artifactId>
   <version>3.6.0.ALL</version>
</dependency>

package com.otcbi.pay.service.impl;

import com.alipay.api.internal.util.AlipaySignature;
import com.otcbi.coin.common.exception.ApiException;
import com.otcbi.coin.common.exception.ApiResponMessage;
import com.otcbi.common.dto.OperateResult;
import com.otcbi.pay.dto.ShopOrder;
import com.otcbi.pay.entity.AliOrder;
import com.otcbi.pay.service.AliPayService;
import com.otcbi.pay.service.IAliOrderService;
import com.otcbi.pay.utils.SignUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Service;

import java.math.BigDecimal;
import java.net.URLEncoder;
import java.text.SimpleDateFormat;
import java.time.LocalDateTime;
import java.util.*;

/**
 * Created by linxinchao on 16/5/4.
 */
@Service
public class AliPayServiceImpl implements AliPayService {
    protected Logger logger = LoggerFactory.getLogger(AliPayServiceImpl.class);

    @Value("${ali.aliCallBackUrl}")
    private String aliCallBackUrl;

    @Value("${ali.appId}")
    private String appId;

    @Value("${ali.timeout}")
    private String timeout;

    @Value("${ali.rsaPrivate}")
    private String rsaPrivate;

    @Autowired
    private IAliOrderService iAliOrderService;

    /**
     * 通用支付的订单列表
     */
    private static Set<String> commonIds = new HashSet<String>();

    @Override
    public OperateResult<Map<String, Object>> buildCommonPay(ShopOrder shopOrder) {
        try {
            if (commonIds.add(String.valueOf(shopOrder.getUserId()))) {
                String productName = "支付" + (shopOrder.getMoney()) + "元";
                return buildPayStr(productName, shopOrder.getMoney().multiply(new BigDecimal(100)).intValue(), shopOrder.getOrderId(), aliCallBackUrl, shopOrder);
            } else {
                throw new ApiException(ApiResponMessage.SHOP_GOODS_ORDER_PAYING, null);
            }
        } catch (Exception e) {
            e.printStackTrace();
            throw new ApiException(ApiResponMessage.SHOP_GOODS_WEIXIN_PAY_ERROR, null);
        } finally {
            commonIds.remove(String.valueOf(shopOrder.getUserId()));
        }
    }


    private OperateResult<Map<String, Object>> buildPayStr(String body, int money, String orderId, String callbackUrl, ShopOrder shopOrder) throws Exception{
        //1.请求参数按照key=value&key=value方式拼接的未签名原始字符串
        HashMap<String,String> map =  createOrderInfo(body, money, orderId, callbackUrl, shopOrder);
        String orderInfo = map.get("orderInfo");
        AliOrder aliPayOrder = iAliOrderService.getById(map.get("id"));
        try {
            //2.再对原始字符串进行签名（RSA），拼接得到完整的符合支付宝参数规范的订单信息
            String sign = AlipaySignature.rsaSign(orderInfo, rsaPrivate, "utf-8", "RSA");
            String payInfo = orderInfo + "&sign=" + sign;

            //3.最后对请求字符串的所有一级value（biz_content作为一个value）进行encode，编码格式按请求串中的charset为准，没传charset按UTF-8处理，获得最终的请求字符串
            payInfo = URLEncoder.encode(payInfo, "UTF-8");

            aliPayOrder.setState(1);
            aliPayOrder.setModifyTime(LocalDateTime.now());
            iAliOrderService.updateById(aliPayOrder);

            HashMap<String, Object> argmap = new HashMap<>();
            argmap.put("msg", payInfo);
            return new OperateResult<>(argmap);
        }catch (Exception e){
            aliPayOrder.setState(2);
            aliPayOrder.setModifyTime(LocalDateTime.now());
            iAliOrderService.updateById(aliPayOrder);
            throw new ApiException(ApiResponMessage.SHOP_GOODS_WEIXIN_PAY_ERROR, n

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