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h5手机网站接入支付宝的支付接口，推荐使用支付宝提供的sdk来快速开发
我使用的是sdk开发
引用命名空间
using aop.api; using aop.api.request; using aop.api.response; using aop.api.util;
首页需要定义一些常量
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static string serverurl = "https://openapi.alipaydev.com/gateway.do";
static string app_id = "**"; //开发者的应用id
static string format = "json";
static string charset = "utf-8";
static string sign_type = "rsa2"; //签名格式
static string version = "1.0";
string uid = "2088102169707816";//卖家支付宝账户号
//商户私钥
static string merchant_private_key = "***";
//支付宝公钥
static string alipay_public_key = "***";
这里的app_id,merchant_private_key,alipay_public_key 我就没有列出来了，获取的方法需要自己去支付宝平台完成一些操作进行获取
在用户点击网站付款时，我们需要唤醒支付宝，来进行支付
public string h5requestpayway(orderpo order)
{
iaopclient client = new defaultaopclient(serverurl, app_id, merchant_private_key, format, version, sign_type, alipay_public_key, charset, false);
alipaytradewappayrequest request = new alipaytradewappayrequest();
string address= "http://m." + pathlogic1.rootdomain;
request.setreturnurl(address+ "/webpay/alipaypayresult");//同步请求
request.setnotifyurl(address + "/webpay/asyncpay");//异步请求
var lstdetail = context.data.orderdetail.where(x => x.orderno == order.orderno).toselectlist(x=>new { x.skuname});
stringbuilder sb = new stringbuilder();
for (int i = 0; i < lstdetail.count(); i++)
{
sb.append(lstdetail[i].skuname + ",");
}
request.bizcontent = "{" +
"\"body\":\""+sb.tostring().substring(0,sb.length-1)+"\"," +
"\"subject\":\"袋鼠巴巴商品支付\"," +
"\"out_trade_no\":\""+order.orderno+"\"," +
"\"timeout_express\":\"90m\"," +
"\"total_amount\":"+(order.totalamount.value+order.totalfreight.value)+"," +
"\"product_code\":\"quick_wap_pay\"" +
" }";
alipaytradewappayresponse response = client.pageexecute(request);
return response.body;
}
具体发送给支付宝的参数，自行去查看
执行方法后，买家输入自己的支付宝账号密码进行支付，支付成功的结果，支付宝会以post的方式异步请求你的setnotifyurl的地址
这个setnotifyurl的地址必须要外网可以访问，支付宝的请求才能进来
买家支付成功，商家修改订单状态和数据库的操作，都在异步请求中执行
同步请求
public actionresult alipaypayresult()
{
viewbag.result = "success";
return view("payresult");
}
/// <summary>
/// 验证通知数据的正确性
/// </summary>
/// <param name="out_trade_no"></param>
/// <param name="total_amount"></param>
/// <param name="seller_id"></param>
/// <returns></returns>
private sorteddictionary<string, string> getrequestpost()
{
int i = 0;
sorteddictionary<string, string> sarray = new sorteddictionary<string, string>();
namevaluecollection coll;
//load form variables into namevaluecollection variable.
coll = request.form;
// get names of all forms into a string array.
string[] requestitem = coll.allkeys;
for (i = 0; i < requestitem.length; i++)
{
sarray.add(requestitem[i], request.form[requestitem[i]]);
}
return sarray;
}
/// <summary>
/// 验签
/// </summary>
/// <param name="inputpara"></param>
/// <returns></returns>
public boolean verify(sorteddictionary<string, string> inputpara)
{
dictionary<string, string> spara = new dictionary<string, string>();
boolean verifyresult = alipaysignature.rsacheckv1(inputpara, alipay_public_key, charset,sign_type,false);
return verifyresult;
}
异步请求：
[httppost]
public void asyncpay()
{
sorteddictionary<string, string> spara = getrequestpost();//将post请求过来的参数传化为sorteddictionary
if (spara.count > 0)
{
alipaytradewaypayserver pay = new alipaytradewaypayserver();
boolean verifyresult = pay.verify(spara);//验签if (verifyresult)
{
try
{
//商户订单号
string out_trade_no = request.form["out_trade_no"];
//支付宝交易号
string trade_no = request.form["trade_no"];
//支付金额
decimal total_amount = request.form["total_amount"].converttype(decimal.zero);
//实收金额
//decimal receipt_amount = request.form["receipt_amount"].converttype(decimal.zero);
//交易状态
string trade_status = request.form["trade_status"];
//卖家支付宝账号
string seller_id = request.form["seller_id"];
//商品描述
string body = request.form["body"];
//交易创建时间
datetime gmt_create = datetime.parse(request.form["gmt_create"]);
//交易付款时间
datetime gmt_payment = datetime.parse(request.form["gmt_payment"]);
string appid = request.form["app_id"];
writeerror("验证参数开始");
boolean datavalidity = pay.checkinform(out_trade_no, total_amount, seller_id, appid);//商家判断参数时候是否匹配if (datavalidity)
{
if (request.form["trade_status"] == "trade_finished")
{
alipaywaypaypo model = createalipaywaypay(out_trade_no, trade_no, trade_status, gmt_create, gmt_payment);
pay.paysuccess(out_trade_no, model, server.mappath("~/" + datetime.today.tostring("yymmdd") + ".txt"));//修改订单
//注意：
//退款日期超过可退款期限后（如三个月可退款），支付宝系统发送该交易状态通知
}
else if (request.form["trade_status"] == "trade_success")
{
alipaywaypaypo model = createalipaywaypay(out_trade_no, trade_no, trade_status, gmt_create, gmt_payment);
pay.paysuccess(out_trade_no, model, server.mappath("~/" + datetime.today.tostring("yymmdd") + ".txt"));//修改订单
//注意：
//付款完成后，支付宝系统发送该交易状态通知
}
else
{
}
//——请根据您的业务逻辑来编写程序（以上代码仅作参考）——
response.write("success"); //请不要修改或删除
/////////////////////////////////////////////////////////////////////////////////////////////////////////////
}
}
catch (exception ex)
{
}
}
else//验证失败
{
response.write("fail");
}
}
else
{
response.write("无通知参数");
}
}
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