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PayTest.java
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PayTest.java
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package tangjie.qipai.majiang.logic.paymax;
import java.util.Map;
import java.util.SortedMap;
import java.util.TreeMap;
import org.apache.log4j.Logger;
import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONObject;
import tangjie.qipai.majiang.logic.paymax.PaymaxConfig;
import tangjie.qipai.majiang.logic.weixin.HttpXmlUtils;
import tangjie.qipai.majiang.logic.weixin.RandCharsUtils;
import tangjie.qipai.majiang.logic.weixin.Unifiedorder;
import tangjie.qipai.majiang.logic.weixin.WXSignUtils;
import tangjie.qipai.majiang.logic.weixin.XMLUtil;
public class PayTest{
private final static Logger log = Logger.getLogger(PayTest.class);
@SuppressWarnings("unchecked")
public String Pay(Map<String,Object> map){
//参数组
String appid = PaymaxConfig.WX_APPID;
String mch_id = PaymaxConfig.WX_MCHID;
String nonce_str = RandCharsUtils.getRandomString(16);
String body = (String)map.get("body");
String detail = (String) map.get("subject");
String attach = JSON.toJSONString(map.get("metadata"));
String out_trade_no = (String)map.get("order_no");
int total_fee = Integer.valueOf((String)map.get("amount"));//单位是分，即是0.01元,前端转化为元（如果是1元前端传递的amount应该是100）
String spbill_create_ip = (String)map.get("client_ip");
String time_start = RandCharsUtils.timeStart();
String time_expire = RandCharsUtils.timeExpire();
String notify_url = PaymaxConfig.WX_NOTIFYURL;
String trade_type = PaymaxConfig.WX_TRADETYPE;
//参数：开始生成签名
SortedMap<Object,Object> parameters = new TreeMap<Object,Object>();
parameters.put("appid", appid);
parameters.put("mch_id", mch_id);
parameters.put("nonce_str", nonce_str);
parameters.put("body", body);
parameters.put("detail", detail);
parameters.put("attach", attach);
parameters.put("out_trade_no", out_trade_no);
parameters.put("total_fee",String.valueOf(total_fee));
parameters.put("time_start", time_start);
parameters.put("time_expire", time_expire);
parameters.put("notify_url", notify_url);
parameters.put("trade_type", trade_type);
parameters.put("spbill_create_ip",spbill_create_ip);
//第一次签名
String sign = WXSignUtils.createSign("UTF-8", parameters);
Unifiedorder unifiedorder = new Unifiedorder();
unifiedorder.setAppid(appid);
unifiedorder.setMch_id(mch_id);
unifiedorder.setNonce_str(nonce_str);
unifiedorder.setBody(body);
unifiedorder.setDetail(detail);
unifiedorder.setAttach(attach);
unifiedorder.setOut_trade_no(out_trade_no);
unifiedorder.setTotal_fee(total_fee);
unifiedorder.setSpbill_create_ip(spbill_create_ip);
unifiedorder.setTime_start(time_start);
unifiedorder.setTime_expire(time_expire);
unifiedorder.setNotify_url(notify_url);
unifiedorder.setTrade_type(trade_type);
unifiedorder.setSign(sign);
Map<String, String> restmap = null;
String weixinPost = null;
try{
//第一次请求微信服务器。请求prepay_id（预下单）
weixinPost = HttpXmlUtils.httpsRequest(PaymaxConfig.WX_URL, PaymaxConfig.POST, HttpXmlUtils.xmlInfo(unifiedorder)).toString();
restmap = XMLUtil.doXMLParse(weixinPost);
}catch(Exception e){
log.info("微信支付请求支付对象异常");
return "ERROR";
}
SortedMap<Object, Object> payMap = new TreeMap<Object, Object>();
if ("SUCCESS".equals(restmap.get("result_code"))) {
payMap.put("appid", restmap.get("appid"));
payMap.put("partnerid", restmap.get("mch_id"));
payMap.put("prepayid", restmap.get("prepay_id"));
payMap.put("package", "Sign=WXPay");
payMap.put("noncestr", restmap.get("nonce_str"));
payMap.put("timestamp", payTimestamp());
//请求到prepay_id后，进行新参数二次签名；
payMap.put("sign",WXSignUtils.createSign("UTF-8",payMap));
}else{
log.info("二次签名出现异常");
return "ERROR";
}
//签名完成后直接把信息给前端，前端用payjson去吊起微信
JSONObject payjson = maptojson(payMap);
log.info(payjson);
return payjson.toJSONString();
}
/**获取时间戳**/
public static String payTimestamp() {
return Long.toString(System.currentTimeMillis() / 1000);
}
/**将Map转成json方便前端解析**/
public static JSONObject maptojson(Map map){
JSONObject json = new JSONObject();
for (Object key : map.keySet()) {
json.put((String) key, map.get(key));
}
return json;
}
}