package com.yeshi.fanli.controller.wxpay;
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import java.math.BigDecimal;
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import java.net.URLEncoder;
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import java.util.HashMap;
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import java.util.Iterator;
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import java.util.Map;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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import org.springframework.stereotype.Controller;
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import org.springframework.web.bind.annotation.RequestMapping;
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import org.springframework.web.servlet.ModelAndView;
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import org.yeshi.utils.HttpUtil;
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import org.yeshi.utils.wx.WXUtil;
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import com.yeshi.fanli.util.StringUtil;
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import net.sf.json.JSONObject;
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@Controller
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@RequestMapping("pay")
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public class WXPayController {
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// 板栗快省
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private WXAPPInfo app = new WXAPPInfo("wxa99686bb65a9f466", "57390718ddedaa1591f6876cdcf96f43", "1520950211",
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"XYJkJ2018FAfaodCCx899mLl138rfGVd");
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@RequestMapping("login")
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public String login() {
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return "wxpay/login";
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}
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@RequestMapping("loginCallBack")
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public void loginCallBack(String code, HttpServletRequest request, HttpServletResponse response) {
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System.out.println("code:" + code);
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String url = String.format(
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"https://api.weixin.qq.com/sns/oauth2/access_token?appid=%s&secret=%s&code=%s&grant_type=authorization_code",
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app.getAppId(), app.getAppSecret(), code);
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String result = HttpUtil.get(url);
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System.out.println("result:" + result);
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JSONObject json = JSONObject.fromObject(result);
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String openId = json.optString("openid");
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String orderNo = System.currentTimeMillis() + "";
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double d = 0.1 + 0.5 * Math.random();
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BigDecimal money = new BigDecimal((int) (d * 100)).divide(new BigDecimal(100));
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Map<String, String> resultMap = produceOrder(orderNo, money, openId, "板栗快省支付", app);
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if (resultMap != null) {
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System.out.println("统一下单成功:" + resultMap.get("prepay_id"));
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Map<String, String> payParams = new HashMap<>();
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payParams.put("appId", app.getAppId());
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payParams.put("timeStamp", System.currentTimeMillis() / 1000 + "");
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payParams.put("nonceStr", StringUtil.getRandomCode(32));
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payParams.put("package", "prepay_id=" + resultMap.get("prepay_id"));
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payParams.put("signType", "MD5");
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payParams.put("paySign", WXUtil.getSignMD5(payParams, app.getMchKey()));
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JSONObject jaon = new JSONObject();
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for (Iterator<String> its = payParams.keySet().iterator(); its.hasNext();) {
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String key = its.next();
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jaon.put(key, payParams.get(key));
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}
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try {
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response.sendRedirect("pay?data=" + URLEncoder.encode(jaon.toString(), "UTF-8"));
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} catch (Exception e) {
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}
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}
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}
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@RequestMapping("pay")
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public ModelAndView pay(String data) {
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JSONObject jsonObject = JSONObject.fromObject(data);
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ModelAndView modelAndView = new ModelAndView("wxpay/pay");
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for (Iterator<String> its = jsonObject.keySet().iterator(); its.hasNext();) {
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String key = its.next();
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modelAndView.addObject(key, jsonObject.optString(key));
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}
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return modelAndView;
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}
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@RequestMapping("test")
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public ModelAndView test() {
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ModelAndView modelAndView = new ModelAndView("test");
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WXAPPInfo wxappInfo = new WXAPPInfo();
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wxappInfo.setAppId("appId");
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modelAndView.addObject(wxappInfo);
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// modelAndView.addObject("test", 123123);
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return modelAndView;
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}
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private static Map<String, String> produceOrder(String orderNo, BigDecimal fee, String openId, String body,
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WXAPPInfo info) {
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Map<String, String> map = new HashMap<String, String>();
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map.put("appid", info.getAppId());
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map.put("mch_id", info.getMchId());
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map.put("nonce_str", StringUtil.getRandomCode(32));
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map.put("body", body);
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map.put("out_trade_no", orderNo);
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map.put("total_fee", "" + fee.multiply(new BigDecimal(100)).intValue());
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map.put("spbill_create_ip", "119.85.112.210");
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map.put("notify_url", "https://banli.xiaoxiangyingji.com/pay/paySuccess");
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map.put("trade_type", "JSAPI");
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map.put("openid", openId);
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map.put("sign", WXUtil.getSignMD5(map, info.getMchKey()));
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String entity = WXUtil.loadWXMessage(map);
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String result = HttpUtil.post("https://api.mch.weixin.qq.com/pay/unifiedorder", entity);
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System.out.println("统一下单结果:" + result);
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Map<String, String> resultMap = WXUtil.parseXML(result);
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return resultMap;
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}
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}
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