public partial class test : BasePage
{
protected test()
{
AccessPage = PageWebType.WX;
}
protected string app_Id
{
get { return ViewState["app_Id"].ToString(); }
set { ViewState["app_Id"] = value; }
}
protected string timestamp
{
get { return ViewState["timestamp"].ToString(); }
set { ViewState["timestamp"] = value; }
}
protected string nonceStr
{
get { return ViewState["nonceStr"].ToString(); }
set { ViewState["nonceStr"] = value; }
}
protected string signature
{
get { return ViewState["signature"].ToString(); }
set { ViewState["signature"] = value; }
}
protected string ticket
{
get { return ViewState["ticket"].ToString(); }
set { ViewState["ticket"] = value; }
}
protected string open_id
{
get { return ViewState["open_id"].ToString(); }
set { ViewState["open_id"] = value; }
}
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
InitData();
lblInfo.Text = GetPointDistance(22.724623, 113.31403, 22.72464, 113.31404).ToString();
}
}
private void InitData()
{
//绑定js接口调用参数
var url = System.Configuration.ConfigurationManager.AppSettings["RootUrl"].ToString();
if (url.Length > 0)
{
var query = Request.Url.Query;
var strUrl = url + "/app/css/test.aspx" + query;
JsSignatureModel jsModel = new JsAPIOprate().GetJsApiSignature(CssUnionID, strUrl);
if (jsModel != null)
{
app_Id = jsModel.app_id;
signature = jsModel.signature;
nonceStr = jsModel.noncestr;
timestamp = jsModel.timestamp;
ticket = jsModel.ticket;
}
}
open_id = GetQueryString("open_id");
hideOpen_id.Value = open_id;
}
private const double EARTH_RADIUS = 6378.137;//地球半径
private static double Rad(double d)
{
return d * Math.PI / 180.0;
}
/// <summary>
/// 返回两经纬度距离(千米)
/// </summary>
/// <param name="lat1">纬度1</param>
/// <param name="lng1">经度1</param>
/// <param name="lat2">纬度2</param>
/// <param name="lng2">经度2</param>
/// <returns></returns>
private double GetPointDistance(double lat1, double lng1, double lat2, double lng2)
{
double radLat1 = Rad(lat1);
double radLat2 = Rad(lat2);
double a = radLat1 - radLat2;
double b = Rad(lng1) - Rad(lng2);
double s = 2 * Math.Asin(Math.Sqrt(Math.Pow(Math.Sin(a / 2), 2) +
Math.Cos(radLat1) * Math.Cos(radLat2) * Math.Pow(Math.Sin(b / 2), 2)));
s = s * EARTH_RADIUS;
s = Math.Round(s * 10000) / 10000;
return s;
}
}
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server"><title></title>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
<meta name="viewport" content="width=device-width, initial-scale=1.0, minimum-scale=1.0, maximum-scale=1.0, user-scalable=no;" />
<script type="text/javascript" src="../../js/jquery.1.11.1.min.js"></script>
<script type="text/javascript" src="../../js/jweixin-1.0.0.js"></script>
<script type="text/javascript">
$(function () {
wx.config({
debug: false,
appId: '<%=app_Id%>',
timestamp: <%=timestamp%>,
nonceStr: '<%=nonceStr%>',
signature: '<%=signature%>',
jsApiList: [
'checkJsApi',
'getLocation'
]
});
wx.ready(function () {
var isCheck=false;
wx.checkJsApi({
jsApiList: [
'checkJsApi',
'getLocation'
],
success: function (res) {
//alert(JSON.stringify(res));
isCheck=res.checkResult.getLocation;
}
});
document.querySelector('#btnLocation').onclick = function () {
if(!isCheck){
msgtip("您的微信版本不支持获取位置！");
return;
}
wx.getLocation({
success: function (res) {
alert(JSON.stringify(res));
},
cancel: function (res) {
alert('发生错误');
}
});
};
});
wx.error(function (res) {
alert(res.errMsg);
});
});
</script>
</head>
<body>
<form id="form1" runat="server">
<header class="ui-header ui-header-positive ui-border-b">
<i class="ui-icon-return" onclick="history.back()"></i><h1>获取地址位置</h1><a href="Default.aspx?open_id=" class="sp-back sp-home"></a>
</header>
<div class="panel-body" style="margin-top:45px;">
<input type="button" id="btnLocation" value="取得位置" />
<asp:Literal ID="lblInfo" runat="server"></asp:Literal>
</div>
<div class="ui-poptips ui-poptips-warn" id="divInfo" style="display:none;">
<div class="ui-poptips-cnt"><i></i><span id="spntool"></span></div><input type="hidden" id="hideCard_no" />
</div><div id="datePlugin"></div><asp:HiddenField ID="hideOpen_id" runat="server" />
</form>
</body>
</html>
