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using System;
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using System.Collections.Generic;
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using System.Web;
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namespace WxPayAPI
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{
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public class NativePay
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{
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/**
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* 生成扫描支付模式一URL
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* @param productId 商品ID
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* @return 模式一URL
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*/
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public string GetPrePayUrl(string productId)
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{
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Log.Info(this.GetType().ToString(), "Native pay mode 1 url is producing...");
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WxPayData data = new WxPayData();
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data.SetValue("appid", WxPayConfig.APPID);//公众帐号id
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data.SetValue("mch_id", WxPayConfig.MCHID);//商户号
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data.SetValue("time_stamp", WxPayApi.GenerateTimeStamp());//时间戳
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data.SetValue("nonce_str", WxPayApi.GenerateNonceStr());//随机字符串
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data.SetValue("product_id", productId);//商品ID
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data.SetValue("sign", data.MakeSign());//签名
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string str = ToUrlParams(data.GetValues());//转换为URL串
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string url = "weixin://wxpay/bizpayurl?" + str;
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Log.Info(this.GetType().ToString(), "Get native pay mode 1 url : " + url);
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return url;
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}
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/**
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* 生成直接支付url，支付url有效期为2小时,模式二
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* @param productId 商品ID
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* @return 模式二URL
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*/
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public string GetPayUrl(string productId)
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{
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Log.Info(this.GetType().ToString(), "Native pay mode 2 url is producing...");
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WxPayData data = new WxPayData();
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data.SetValue("body", "test");//商品描述
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data.SetValue("attach", "test");//附加数据
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data.SetValue("out_trade_no", WxPayApi.GenerateOutTradeNo());//随机字符串
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data.SetValue("total_fee", 1);//总金额
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data.SetValue("time_start", DateTime.Now.ToString("yyyyMMddHHmmss"));//交易起始时间
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data.SetValue("time_expire", DateTime.Now.AddMinutes(10).ToString("yyyyMMddHHmmss"));//交易结束时间
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data.SetValue("goods_tag", "jjj");//商品标记
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data.SetValue("trade_type", "NATIVE");//交易类型
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data.SetValue("product_id", productId);//商品ID
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WxPayData result = WxPayApi.UnifiedOrder(data);//调用统一下单接口
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string url = result.GetValue("code_url").ToString();//获得统一下单接口返回的二维码链接
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Log.Info(this.GetType().ToString(), "Get native pay mode 2 url : " + url);
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return url;
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}
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/**
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* 参数数组转换为url格式
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* @param map 参数名与参数值的映射表
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* @return URL字符串
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*/
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private string ToUrlParams(SortedDictionary<string, object> map)
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{
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string buff = "";
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foreach (KeyValuePair<string, object> pair in map)
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{
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buff += pair.Key + "=" + pair.Value + "&";
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}
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buff = buff.Trim('&');
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return buff;
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}
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}
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} |
