APP调起微信支付c#后台接口 _接口

万事须己运，他得非我贤。这篇文章主要讲述APP调起微信支付c#后台接口相关的知识，希望能为你提供帮助。
c#后台APP微信支付接口和微信公众号支付差不多

#region 微信APP支付接口 /// < summary> /// 微信APP支付接口 /// < /summary> /// < param name=" out_trade_no" > 支付订单号< /param /// < param name=" total_fee" > 支付金额< /param> /// < param name=" type" > 1.安卓，2.ios< /param> /// < returns> < /returns> [HttpGet] public CommonResponse< Wx_pay> APP_Pay(string out_trade_no,Double total_fee,int type) { PayMent pm = new PayMent(); string ip = HttpContext.Current.Request.UserHostAddress; int money =int.Parse((total_fee * 100).ToString()); Wx_pay wp = pm.APP_PayMent(" 服务费" ,ip,money,out_trade_no,type); if (wp.sign == " " ) { return new CommonResponse< Wx_pay> { Data = null, Message = " 系统异常,联系管理员！" , Code = EnumResponseCode.Fail.GetHashCode() }; } return new CommonResponse< Wx_pay> { Data = wp, Message = String.Empty, Code = EnumResponseCode.Successful.GetHashCode() }; } #endregion /// ///是对返回数据类型 /// public class CommonResponse< T> { public T Data { get; set; } /// < summary> /// 代码 1:失败，2:成功 /// < /summary> public int Code { get; set; } /// < summary> /// 消息 /// < /summary> public string Message { get; set; } /// < summary> /// 其他附带信息 /// < /summary> public string Tag { get; set; } } /// < summary> /// 微信APP支付实体 /// < /summary> public class Wx_pay { /// < summary> /// 应用ID /// < /summary> public string appid { set; get; } = " " ; /// < summary> /// 商户号 /// < /summary> public string partnerid { set; get; } = " " ; /// < summary> /// 预支付交易会话ID /// < /summary> public string prepayid { set; get; } = " " ; /// < summary> /// 扩展字段 /// < /summary> public string package { set; get; } = " Sign=WXPay" ; /// < summary> /// 随机字符串 /// < /summary> public string noncestr { set; get; } = " " ; /// < summary> /// 时间戳 /// < /summary> public string timestamp { set; get; } = " " ; /// < summary> /// 签名 /// < /summary> public string sign { set; get; } = " " ; } #region 微信APP支付 /// < summary> /// 微信APP支付 /// < /summary> /// < param name=" boby" > 商品描述< /param> /// < param name=" mch_id" > 商户号< /param> /// < param name=" spbill_create_ip" > 终端IP< /param> /// < param name=" total_fee" > 金额< /param> /// < param name=" out_trade_no" > 商户订单号< /param> /// < returns> < /returns> public Wx_pay APP_PayMent( string boby, string spbill_create_ip, int total_fee, string out_trade_no,int type) { UnifiedOrder order = new UnifiedOrder(); if (type == 1) { order.appid = APP_Aconfig.appid; order.mch_id = APP_Aconfig.partnerid; } else { order.appid = APP_Iconfig.appid; order.mch_id = APP_Iconfig.partnerid; } order.attach = " APP名称-支付内容说明" ; order.body = boby; order.device_info = " WEB" ; order.nonce_str = TenpayUtil.getNoncestr(); order.notify_url = APP_Aconfig.url; order.out_trade_no = out_trade_no; order.trade_type = " APP" ; order.spbill_create_ip = spbill_create_ip; order.total_fee = total_fee; TenpayUtil tenpay = new TenpayUtil(); string paySignKey = string.Empty; if (type == 1) { paySignKey = APP_Aconfig.paysignkey; } else { paySignKey = APP_Iconfig.paysignkey; } string prepay_id = tenpay.getPrepay_id(order, paySignKey); string timeStamp = TenpayUtil.getTimestamp(); string nonceStr = TenpayUtil.getNoncestr(); SortedDictionary< string, object> sParams = new SortedDictionary< string, object> (); sParams.Add(" appId" , APP_Aconfig.appid); sParams.Add(" timeStamp" , timeStamp); sParams.Add(" nonceStr" , nonceStr); sParams.Add(" package" , " prepay_id=" + prepay_id); sParams.Add(" signType" , " MD5" ); string paySign = tenpay.getsign(sParams, paySignKey); Wx_pay wp = new Wx_pay(); if (type == 1) { wp.appid = APP_Aconfig.appid; wp.partnerid = APP_Aconfig.partnerid; } else { wp.appid = APP_Iconfig.appid; wp.partnerid = APP_Iconfig.partnerid; } wp.noncestr = nonceStr; wp.prepayid = prepay_id; wp.sign = paySign; wp.timestamp = timeStamp; return wp; } #endregion /// < summary> /// APP安卓支付配置 /// < /summary> public class APP_Aconfig { public const string appid = " " ; //APPID public const string partnerid = " " ; //商户号 public const string paysignkey = " " ; //证书密匙 public const string url = " " ; //回调ur } /// < summary> /// APPios 支付配置 /// < /summary> public class APP_Iconfig { public const string appid = " " ; //APPID public const string partnerid = " " ; //商户号 public const string paysignkey = " " ; //证书密匙 public const string url = " " ; //回调url } 对于 TenpayUtil tenpay = new TenpayUtil(); 这个类其他文章上有代码。请求方式：http get 接口参数说明名称类型必填说明 out_trade_no string 是支付订单ID total_fee Double 是支付金额 type int 是 1.安卓，2.IOS 返回示例： /****失败示例**/ { " Code" :1, /*状态码 1：失败 2：成功 */ " Message" :" 错误信息" ,/*消息(一般失败时，返回错误信息)*/ " Tag" :" " /*附加信息*/ } /****成功示例**/ { " Code" :2, /*状态码 1：失败 2：成功*/ “Data”:[] " Message" :" " ,/*消息(一般失败时，返回错误信息)*/ " Tag" :" 附加信息" /* */ } 接口返回Data集合参数说明名称类型说明 appid string 应用ID partnerid String 商户号 prepayid String 预支付交易会话ID package String 扩展字段 noncestr String 随机字符串 timestamp String 时间戳 sign String 签名本人还是个新手（刚入行不久），请多多关照，后续还有微信其他内容

这是测试接口返回结果：