<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
<title></title>
<meta name="viewport" content="width=640px, maximum-scale=1.0, user-scalable=no"/>
<link href="/images/payStyle.css" type="text/css" rel="Stylesheet" />
<script type="text/javascript">
$(function () {
$(window).bind('resize load', function() {
$("body").css("zoom", $(window).width() / 640);
$("body").css("display", "block");
$("body").css("zoom", $(window).width() / 640);
$("input").attr("placeholder", "请填写");
});
})
</script>
<script type="text/javascript">
//调用微信JS api 支付
function jsApiCall()
{
WeixinJSBridge.invoke(
'getBrandWCPayRequest',
<%#wxJsApiParam%>,//josn串
function (res)
{
if (res.err_msg == "get_brand_wcpay_request:ok")
{
var OrderId=$("#OrderId").val();
var orderProductName=$("#orderProductName").val();
var orderMoneySum=$("#orderMoneySum").val();
window.location.href="http://11.com/fk.aspx;//支付成功后的跳转页面
}else
{
WeixinJSBridge.call('closeWindow');
}
}
);
}
function callpay()
{
if (typeof WeixinJSBridge == "undefined")
{
if (document.addEventListener)
{
document.addEventListener('WeixinJSBridgeReady', jsApiCall, false);
}
else if (document.attachEvent)
{
document.attachEvent('WeixinJSBridgeReady', jsApiCall);
document.attachEvent('onWeixinJSBridgeReady', jsApiCall);
}
}
else
{
jsApiCall();
}
}
</script>
</head>
<body>
<form id="form1" runat="server">
<div id="bodydiv">
<div id="payhead"></div>
<div id="middlebody">
<table class="tablestyle">
<tr class="tablestyletr">
<td colspan="2" class="ttdstyle">企业名称</td>
</tr>
<tr class="tablestyletr">
<td colspan="2" class="tdstyle"><asp:TextBox runat="server" ID="companyNameText" BorderWidth="0px" Width="100%" Font-Size="25px"></asp:TextBox></td>
</tr>
<tr class="backcolor">
<td colspan="2" class="backcolor"></td>
</tr>
<tr class="tablestyletr">
<td class="ttdstyle">企业税号</td>
<td class="tdstyle"><asp:TextBox runat="server" ID="noText" BorderWidth="0px" Width="100%"></asp:TextBox></td>
</tr>
<tr class="backcolor">
<td colspan="2" class="backcolor"></td>
</tr>
<tr class="tablestyletr">
<td class="ttdstyle">所属区县</td>
<td class="tdstyle">
<asp:DropDownList ID="DropDownList1" runat="server">
<asp:ListItem>1</asp:ListItem>
<asp:ListItem>2</asp:ListItem>
<asp:ListItem>3</asp:ListItem>
<asp:ListItem>4</asp:ListItem>
<asp:ListItem>5</asp:ListItem>
<asp:ListItem>8</asp:ListItem>
<asp:ListItem>6</asp:ListItem>
</asp:DropDownList></td>
</tr>
<tr class="backcolor">
<td colspan="2" class="backcolor"></td>
</tr>
<tr class="tablestyletr">
<td class="ttdstyle">座机电话</td>
<td class="tdstyle"><asp:TextBox runat="server" ID="phoneText" BorderWidth="0px" Width="100%"></asp:TextBox></td>
</tr>
<tr class="backcolor">
<td colspan="2" class="backcolor"></td>
</tr>
<tr class="tablestyletr">
<td class="ttdstyle">联系人</td>
<td class="tdstyle"><asp:TextBox runat="server" ID="menText" BorderWidth="0px" Width="100%"></asp:TextBox></td>
</tr>
<tr class="backcolor">
<td colspan="2" class="backcolor"></td>
</tr>
<tr class="tablestyletr">
<td class="ttdstyle">手机号码</td>
<td class="tdstyle"><asp:TextBox runat="server" ID="menphoneText" BorderWidth="0px" Width="100%"></asp:TextBox></td>
</tr>
</table>
</div>
<div id="middlehander"></div>
<div id="jediv">
<table class="tablestyle">
<tr class="tablestyletr">
<td class="ttdstyle">续费金额</td>
<td class="tdstyle"><asp:TextBox runat="server" ID="jeText" BorderWidth="0px" Width="100%"></asp:TextBox></td>
</tr>
</table>
</div>
<div id="footdiv">
<div style="width:100%; text-align:center;">
<asp:ImageButton runat="server" ID="submitBtn" ImageUrl="~/images/submitbtn.jpg" OnClick="submitBtn_Click" />
</div>
</div>
</div>
</form>
</body>
</html>
public partial class pay : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
JsApiPay jsApiPay = new JsApiPay(this);
try
{
string total_fee = Money;// Request["total_fee"];
orderMoneySum = total_fee;
string ParkName = "服务费";// Request["ParkName"];
orderProductName = ParkName + "停车费用";
OrderId = "145448545";// Request["OrderId"];
//if (string.IsNullOrWhiteSpace(total_fee) || total_fee == "0")
if (total_fee == "0")
{
throw new WxPayException("<span style='color:#FF0000;font-size:20px'>" + "费用为零,请求参数错误" + "</span>");
}
jsApiPay.total_fee = int.Parse((Convert.ToDouble(total_fee) * 100).ToString());
Money = (Convert.ToDouble(jsApiPay.total_fee) / 100).ToString();
jsApiPay.orderid = OrderId;
//JSAPI支付预处理
try
{
Common common = new Common(Context);
jsApiPay.openid = common.GetOpenId();
if (Common.OpenId == "Openid")
{
throw new WxPayException("OpenId为空无法下单!");
}
jsApiPay.access_token = Common.access_token;
WxPayData unifiedOrderResult = jsApiPay.GetUnifiedOrderResult(ParkName);//ParkName不能是空,这是一个大坑
wxJsApiParam = jsApiPay.GetJsApiParameters();//获取H5调起JS API参数
}
catch (Exception ex)
{
Response.Write("<span style='color:#FF0000;font-size:20px'>" + "下单失败,请返回重试:" + ex.InnerException.Message + "</span>");
}
}
catch (Exception ex)
{
Response.Write("<span style='color:#FF0000;font-size:20px'>" + "页面加载出错,请重试:" + ex.Message + "</span>");
}
this.DataBind();
}
}
public string wxJsApiParam { get; set; } //H5调起JS API参数
public string Money = "1";
public string OrderId { get; set; }
public string orderMoneySum { get; set; }//商品金额
public string orderProductName { get; set; }//商品名称
protected void submitBtn_Click(object sender, ImageClickEventArgs e)
{
Session["companyVar"] = this.companyNameText.Text.ToString();//企业名称
Session["noVar"] = noText.Text.ToString();//统一社会信用代码
Session["menVar"] = menText.Text.ToString();//联系人
Session["menphoneVar"] = menphoneText.Text.ToString();//联系人手机号
Session["phoneVar"] = this.phoneText.Text.ToString();//联系电话
Session["address"] = this.DropDownList1.SelectedValue.ToString();
Session["dateVar"] = DateTime.Now.ToString();//缴费日期
Session["moneyVar"] = this.jeText.Text.ToString();//缴费金额
Money = Convert.ToDouble(this.jeText.Text.ToString()).ToString();
ClientScript.RegisterStartupScript(this.GetType(), "myscript", "<script>callpay();</script>");
}
}
https://www.cnblogs.com/valu/p/4339939.html
webform的运行机制没搞清楚
Page_load先执行才到按钮的click事件，而且你判断了!Page.IsPostBack，点击按钮不会再执行if(!Page.IsPostBack)里面的代码，改成下面的
protected void SetWxPayParams()
{
JsApiPay jsApiPay = new JsApiPay(this);
try
{
string total_fee = Money;// Request["total_fee"];
orderMoneySum = total_fee;
string ParkName = "服务费";// Request["ParkName"];
orderProductName = ParkName + "停车费用";
OrderId = "145448545";// Request["OrderId"];
//if (string.IsNullOrWhiteSpace(total_fee) || total_fee == "0")
if (total_fee == "0")
{
throw new WxPayException("<span style='color:#FF0000;font-size:20px'>" + "费用为零,请求参数错误" + "</span>");
}
jsApiPay.total_fee = int.Parse((Convert.ToDouble(total_fee) * 100).ToString());
Money = (Convert.ToDouble(jsApiPay.total_fee) / 100).ToString();
jsApiPay.orderid = OrderId;
//JSAPI支付预处理
try
{
Common common = new Common(Context);
jsApiPay.openid = common.GetOpenId();
if (Common.OpenId == "Openid")
{
throw new WxPayException("OpenId为空无法下单!");
}
jsApiPay.access_token = Common.access_token;
WxPayData unifiedOrderResult = jsApiPay.GetUnifiedOrderResult(ParkName);//ParkName不能是空,这是一个大坑
wxJsApiParam = jsApiPay.GetJsApiParameters();//获取H5调起JS API参数
}
catch (Exception ex)
{
Response.Write("<span style='color:#FF0000;font-size:20px'>" + "下单失败,请返回重试:" + ex.InnerException.Message + "</span>");
}
}
catch (Exception ex)
{
Response.Write("<span style='color:#FF0000;font-size:20px'>" + "页面加载出错,请重试:" + ex.Message + "</span>");
}
this.DataBind();
}
protected void Page_Load(object sender, EventArgs e)
{
//Page_load里面的代码单独出一个函数，而且不需要再page_load里面设置微信支付参数，放到按钮里面
}
protected void submitBtn_Click(object sender, ImageClickEventArgs e)
{
Session["companyVar"] = this.companyNameText.Text.ToString();//企业名称
Session["noVar"] = noText.Text.ToString();//统一社会信用代码
Session["menVar"] = menText.Text.ToString();//联系人
Session["menphoneVar"] = menphoneText.Text.ToString();//联系人手机号
Session["phoneVar"] = this.phoneText.Text.ToString();//联系电话
Session["address"] = this.DropDownList1.SelectedValue.ToString();
Session["dateVar"] = DateTime.Now.ToString();//缴费日期
Session["moneyVar"] = this.jeText.Text.ToString();//缴费金额
Money = Convert.ToDouble(this.jeText.Text.ToString()).ToString();
SetWxPayParams();////////////////////////////////////放这里来获取微信支付参数并且重新绑定参数值，注意位置，一定要在上面这句执行后再执行获取微信支付参数
ClientScript.RegisterStartupScript(this.GetType(), "myscript", "<script>callpay();</script>");
}
用户输入信息后，先跳转到订单添加界面，然后再跳转到支付界面，就不会出这个问题。我暂时是这样解决的。