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本文实例为大家分享了微信JS SDK支付的具体代码，供大家参考，具体内容如下
模型层实体类:
public class JsEntities
{
/// <summary>
/// 公众号id
/// </summary>
public string appId { get; set; }
/// <summary>
/// 时间戳
/// </summary>
public string timeStamp { get; set; }
/// <summary>
/// 随机字符串
/// </summary>
public string nonceStr { get; set; }
/// <summary>
/// 订单详情扩展字符串
/// </summary>
public string package { get; set; }
/// <summary>
/// 签名类型
/// </summary>
public string signType { get; set; }
/// <summary>
/// 签名
/// </summary>
public string paySign { get; set; }
}
</div>
public class UnifyEntities
{
/// <summary>
/// 公众账号ID
/// </summary>
public string appid { get; set; }
/// <summary>
/// 微信支付分配的商户号
/// </summary>
public string mch_id { get; set; }
/// <summary>
/// 微信支付分配的终端设备号
/// </summary>
public string device_info { get; set; }
/// <summary>
/// 随机字符串，不长于32位
/// </summary>
public string nonce_str { get; set; }
/// <summary>
/// 签名
/// </summary>
public string sign { get; set; }
/// <summary>
/// 商品描述最大长度127
/// </summary>
public string body { get; set; }
/// <summary>
/// 附加数据，原样返回
/// </summary>
public string attach { get; set; }
/// <summary>
/// 商户系统内部的订单号,32 个字符内、可包含字母,确保在商户系统唯一,详细说明
/// </summary>
public string out_trade_no { get; set; }
/// <summary>
/// 订单总金额，单位为分，不能带小数点
/// </summary>
public string total_fee { get; set; }
/// <summary>
/// 终端IP
/// </summary>
public string spbill_create_ip { get; set; }
/// <summary>
/// 交易起始时间
/// </summary>
public string time_start { get; set; }
/// <summary>
/// 交易结束时间
/// </summary>
public string time_expire { get; set; }
/// <summary>
/// 接收微信支付成功通知
/// </summary>
public string notify_url { get; set; }
/// <summary>
/// JSAPI、NATIVE、APP
/// </summary>
public string trade_type { get; set; }
/// <summary>
/// 用户在商户appid下的唯一标识，trade_type为JSAPI 时，此参数必传
/// </summary>
public string openid { get; set; }
/// <summary>
/// 只在 trade_type 为 NATIVE 时需要填写。此id为二维码中包含的商品ID，商户自行维护。
/// </summary>
public string product_id { get; set; }
}
</div>
public class UnifyReceive
{
/// <summary>
/// SUCCESS/FAIL此字段是通信标识，非交易标识，交易是否成功需要查看result_code来判断
/// </summary>
public string return_code { get; set; }
/// <summary>
/// 返回信息，如非空，为错误原因
/// </summary>
public string return_msg { get; set; }
/// <summary>
/// 微信分配的公众账号ID
/// </summary>
public string appid { get; set; }
/// <summary>
/// 微信支付分配的商户号
/// </summary>
public string mch_id { get; set; }
/// <summary>
/// 随机字符串，不长于32位
/// </summary>
public string nonce_str { get; set; }
/// <summary>
/// 签名
/// </summary>
public string sign { get; set; }
/// <summary>
/// 业务结果
/// </summary>
public string result_code { get; set; }
/// <summary>
/// 预支付ID
/// </summary>
public string prepay_id { get; set; }
/// <summary>
/// 交易类型
/// </summary>
public string trade_type { get; set; }
/// <summary>
/// 二维码链接
/// </summary>
public string code_url { get; set; }
public UnifyReceive(string xml)
{
XElement doc = XElement.Parse(xml);
return_code = doc.Element("return_code").Value;
return_msg = doc.Element("return_msg").Value;
if (return_code == "SUCCESS")
{
appid = doc.Element("appid").Value;
mch_id = doc.Element("mch_id").Value;
nonce_str = doc.Element("nonce_str").Value;
sign = doc.Element("sign").Value;
result_code = doc.Element("result_code").Value;
if (result_code == "SUCCESS")
{
trade_type = doc.Element("trade_type").Value;
prepay_id = doc.Element("prepay_id").Value;
if (trade_type == "NATIVE")
{
code_url = doc.Element("code_url").Value;
}
trade_type = doc.Element("trade_type").Value;
}
}
}
}
</div>
TestJs.aspx内容:
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="JsPay.aspx.cs" Inherits="WeChatPayDemo.JsPay" %>
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title></title>
<script src="http://code.jquery.com/jquery-1.9.0.js"></script>
<script src="Scripts/wxpay.js"></script>
<script>
$(function () {
$("#submit").click(function () {
var OID ="<%=openid%>";
alert(OID);
$.get("WxPay/WxPay.ashx?action=jspayparam", {
body: $("#body").val(),
total_fee: $("#price").val(),
out_trade_no: $("#order").val(),
trade_type: "JSAPI",
msgid: "<%=openid%>"
}, function (data) {
WxPay.Pay(data.appId, data.timeStamp, data.nonceStr, data.package, data.signType, data.paySign, function () {
alert("支付成功");
});
}, "json");
});
})
</script>
</head>
<body>
<form id="form1" runat="server">
<div>
商品描述：<input type="text" id="body" />
商品价格：<input type="text" id="price" />
订单号：<input type="text" id="order" />
<input type="button" value="提交订单" id="submit" />
</div>
</form>
</body>
</html>
</div>
JsPay.aspx.cs代码:
public partial class JsPay : System.Web.UI.Page
{
public string openid = "";
protected void Page_Load(object sender, EventArgs e)
{
string code = Request["code"];
if (string.IsNullOrEmpty(code))
{
//如果code没获取成功，重新拉取一遍
GetAuthUrl("wxxxxxxxxxxxxxxxxxxxxxxx", "http://www.china101.net/JsPay.aspx");
}
openid = GetOpenID("wxxxxxxxxxxxxxxxxxxxxxxx", "dsdssdsdsdsdsdsdsdsdsd", JKRequest.GetQueryString("code"), () => { });
}
public string GetOpenID(string appid, string secret, string code, Action CallBack)
{
try
{
string retdata = Utils.HttpGet(string.Format("https://api.weixin.qq.com/sns/oauth2/access_token?appid={0}&secret={1}&code={2}&grant_type=authorization_code", appid, secret, code));
.LogHelper.WriteFile(retdata);
JObject jobj = (JObject)JsonConvert.DeserializeObject(retdata);
string openid = jobj.Value<string>("openid");
return openid;
}
catch (Exception)
{
CallBack();
return "";
}
// return GetUserInfo(access_token, openid);
}
/// <summary>
/// 获取鉴权地址
/// </summary>
/// <param name="appid"></param>
/// <param name="redirect_url"></param>
/// <returns></returns>
public void GetAuthUrl(string appid, string redirect_url)
{
Response.Redirect(string.Format("https://open.weixin.qq.com/connect/oauth2/authorize?appid={0}&redirect_uri={1}&response_type=code&scope=snsapi_base&state=123#wechat_redirect", appid, Utils.UrlEncode(redirect_url)));
}
}
</div>
WxPay.ashx代码: