c#後臺APP微信支付接口和微信公衆號支付差不多
#region 微信APP支付接口
/// <summary>
/// 微信APP支付接口
/// </summary>
/// <param name="out_trade_no">支付訂單號</param
/// <param name="total_fee">支付金額</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("服務費",ip,money,out_trade_no,type);
if (wp.sign == "") {
return new CommonResponse<Wx_pay> { Data = null, Message = "系統異常,聯繫管理員！", Code = EnumResponseCode.Fail.GetHashCode() };
}
return new CommonResponse<Wx_pay> { Data = wp, Message = String.Empty, Code = EnumResponseCode.Successful.GetHashCode() };
}
#endregion
///
///是對返回數據類型
///
public class CommonResponse<T>
{
public T Data { get; set; }
/// <summary>
/// 代碼 1:失敗，2:成功
/// </summary>
public int Code { get; set; }
/// <summary>
/// 消息
/// </summary>
public string Message { get; set; }
/// <summary>
/// 其他附帶信息
/// </summary>
public string Tag { get; set; }
}
/// <summary>
/// 微信APP支付實體
/// </summary>
public class Wx_pay
{
/// <summary>
/// 應用ID
/// </summary>
public string appid { set; get; } = "";
/// <summary>
/// 商戶號
/// </summary>
public string partnerid { set; get; } = "";
/// <summary>
/// 預支付交易會話ID
/// </summary>
public string prepayid { set; get; } = "";
/// <summary>
/// 擴展字段
/// </summary>
public string package { set; get; } = "Sign=WXPay";
/// <summary>
/// 隨機字符串
/// </summary>
public string noncestr { set; get; } = "";
/// <summary>
/// 時間戳
/// </summary>
public string timestamp { set; get; } = "";
/// <summary>
/// 簽名
/// </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">商戶號</param>
/// <param name="spbill_create_ip">終端IP</param>
/// <param name="total_fee">金額</param>
/// <param name="out_trade_no">商戶訂單號</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名稱-支付內容說明";
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", order.appid);
sParams.Add("partnerid", order.mch_id);
sParams.Add("prepayid", prepay_id);
sParams.Add("noncestr", nonceStr);
sParams.Add("timestamp", timeStamp);
sParams.Add("package", "Sign=WXPay");
string paySign = tenpay.getsign(sParams, paySignKey);
Wx_pay wp = new Wx_pay();
wp.appid = order.appid;
wp.partnerid = order.mch_id;
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 = "";//商戶號
public const string paysignkey = "";//證書密匙
public const string url = "";//回調ur
}
/// <summary>
/// APPios 支付配置
/// </summary>
public class APP_Iconfig
{
public const string appid = "";//APPID
public const string partnerid = "";//商戶號
public const string paysignkey = "";//證書密匙
public const string url = "";//回調url
}
對於 TenpayUtil tenpay = new TenpayUtil();這個類其他文章上有代碼。
請求方式：http get
接口參數說明
名稱 類型 必填 說明
out_trade_no string 是 支付訂單ID
total_fee Double 是 支付金額
type int 是 1.安卓，2.IOS
返回示例：
/****失敗示例**/
{
"Code":1, /*狀態碼 1：失敗 2：成功 */
"Message":"錯誤信息",/*消息(一般失敗時，返回錯誤信息)*/
"Tag":""/*附加信息*/
}
/****成功示例**/
{
"Code":2, /*狀態碼 1：失敗 2：成功*/
“Data”:[]
"Message":"",/*消息(一般失敗時，返回錯誤信息)*/
"Tag":"附加信息"/* */
}
接口返回Data集合參數說明
名稱 類型 說明
appid string 應用ID
partnerid String 商戶號
prepayid String 預支付交易會話ID
package String 擴展字段
noncestr String 隨機字符串
timestamp String 時間戳
sign String 簽名
本人還是個新手（剛入行不久），請多多關照，後續還有微信其他內容
相關項目地址：https://gitee.com/qq-w/wechat.git這是測試接口返回結果：
下篇。。。。。。微信支付（PC端掃碼支付）
