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package com.tmsps.ne4Weixin.api;

import java.util.Map;

import com.tmsps.ne4Weixin.config.WxConfig;
import com.tmsps.ne4Weixin.utils.HttpClient;
import com.tmsps.ne4Weixin.utils.PaymentUtil;
import com.tmsps.ne4Weixin.utils.XmlHelper;

public class PaymentAPI extends BaseAPI {
	public PaymentAPI(WxConfig config) {
		super(config);
	}

	/**
	 * 交易类型https://pay.weixin.qq.com/wiki/doc/api/wap.php?chapter=15_1
	 */
	public static enum TradeType {
		JSAPI, NATIVE, APP, WAP
	}

	// 文档地址：https://pay.weixin.qq.com/wiki/doc/api/jsapi.php?chapter=9_1
	private static final String WXPAYURL = "https://api.mch.weixin.qq.com/pay/unifiedorder";

	/**
	 * 微信下单
	 */
	public Map requestOrder(Map params) {
		params.put("nonce_str", System.currentTimeMillis() + "");
		String sign = PaymentUtil.createSign(params, config.getPayAPI());
		params.put("sign", sign);
		String xmlStr = HttpClient.postXML(WXPAYURL, PaymentUtil.toXml(params));
		return XmlHelper.of(xmlStr).toMap();
	}
}