微信JS-SDK坐标位置如何转换为百度地图坐标

<%@ Page Title="获取位置" Language="C#" AutoEventWireup="true" MasterPageFile="~/wxcrm/Site.Master" CodeFile="location.aspx.cs" Inherits="DTcms.Web.wxcrm.location" %><asp:Content ID="Content1" ContentPlaceHolderID="cphHead" runat="server"> <script src="http://res.wx.qq.com/open/js/jweixin-1.0.0.js"></script> <script type="text/javascript"> $("#mask").show(); wx.config({  debug: false, //开启调试模式，如为true，则弹出每个js函数调用情况  appId: '<%= ResultJsData.GetValue("appid") %>', //必填，公众号的唯一标识  timestamp: <%= ResultJsData.GetValue("timestamp") %>, //必填，生成签名的时间戳  nonceStr: '<%= ResultJsData.GetValue("noncestr") %>', //必填，生成签名的随机串  signature: '<%= ResultJsData.GetValue("signature") %>', //必填，签名  jsApiList: [  'checkJsApi',  'onMenuShareTimeline',  'onMenuShareAppMessage',  'onMenuShareQQ',  'onMenuShareWeibo',  'hideMenuItems',  'showMenuItems',  'hideAllNonBaseMenuItem',  'showAllNonBaseMenuItem',  'translateVoice',  'startRecord',  'stopRecord',  'onRecordEnd',  'playVoice',  'pauseVoice',  'stopVoice',  'uploadVoice',  'downloadVoice',  'chooseImage',  'previewImage',  'uploadImage',  'downloadImage',  'getNetworkType',  'openLocation',  'getLocation',  'hideOptionMenu',  'showOptionMenu',  'closeWindow',  'scanQRCode',  'chooseWXPay',  'openProductSpecificView',  'addCard',  'chooseCard',  'openCard'  ] }); wx.ready(function(){  wx.checkJsApi({  jsApiList: [   'getNetworkType',   'previewImage',   'getLocation'  ],  success: function (res) {  }  });  wx.getLocation({  type: 'wgs84', // 默认为wgs84的gps坐标，如果要返回直接给openLocation用的火星坐标，可传入'gcj02'  success: function (res) {   try {   var latitude = res.latitude; // 纬度，浮点数，范围为90 ~ -90   var longitude = res.longitude; // 经度，浮点数，范围为180 ~ -180。   var speed = res.speed; // 速度，以米/每秒计   var accuracy = res.accuracy; // 位置精度   //alert(JsonUti.convertToString(res));   //wx.openLocation({   // latitude: res.latitude, // 纬度，浮点数，范围为90 ~ -90   // longitude: res.longitude, // 经度，浮点数，范围为180 ~ -180。   // name: '当前位置', // 位置名   // address: '点击查看', // 地址详情说明   // scale: 28, // 地图缩放级别,整形值,范围从1~28。默认为最大   // infoUrl: "location1.aspx?m=Home&c=Index&a=getlocation&latitude="+latitude+"&longitude="+longitude // 在查看位置界面底部显示的超链接,可点击跳转   //});   //alert(latitude+"-"+longitude);   $("#mask").hide();   window.location.href = "location1.aspx?m=Home&c=Index&a=getlocation&latitude=" +    latitude +    "&longitude=" +    longitude +    "&=speed" +    speed +    "&accuracy=" +    accuracy;   } catch (e) {   alert(e.message);   }  },  cancel: function (res) {   window.location.href="none.aspx?msg=拒绝获取地理位置&r=" + Math.random();//拒绝  },  fail:function() {   alert("未能获取地理位置！首先检查手机是否启用微信定位。");  }  }); }); wx.error(function(res) {  // config信息验证失败会执行error函数，如签名过期导致验证失败，具体错误信息可以打开config的debug模式查看，也可以在返回的res参数中查看，对于SPA可以在这里更新签名。 }); wx.fail(function(res) { }); </script></asp:Content><asp:Content ID="Content2" ContentPlaceHolderID="cphTitle" runat="server"> 获取位置</asp:Content><asp:Content ID="Content3" ContentPlaceHolderID="cphContainer" runat="server"> <br /> <br /> <center style="display: block;"> <i class="weui_icon_msg weui_icon_info"></i> <div class="input_errow" style="width: 60%; height: 60%; text-align: center;">  正在获取地理位置信息... </div> </center> <div class="mask" style="display: none;"> <span>  <img src="/templates/txwap/images/mask.gif" /> </span> </div></asp:Content>

using Payment.WxWebHlper;using Payment.WxWebHlper.Actions;using System;using System.Globalization;using WxJsSDK;using WxPayAPI;namespace DTcms.Web.wxcrm{ public partial class location : PageBase { protected string appId { get; set; } protected string timestamp { get; set; } protected string nonceStr { get; set; } protected string signature { get; set; } public static string WxJsApiParam { get; set; } public WxJsData ResultJsData { get; set; } protected void Page_Load(object sender, EventArgs e) { JudgeCode(); var webAuthorize = new WebAuthorizeAction(); Code2TokenResult = webAuthorize.Code2Token(Request["code"]); if (Code2TokenResult.HasError()) { Response.Redirect(Urls.PageOfLocation); GotoNonePage("获取用户凭证失败，请重新获取"); return; } GetUserInfoResult = webAuthorize.GetUserInfo(Code2TokenResult.access_token); if (GetUserInfoResult.HasError()) { GotoNonePage("获取用户信息失败，请重新获取"); } var userid = wxOperation.HasBind(GetUserInfoResult.openid); if (userid.Equals(Guid.Empty)) { Response.Redirect(Urls.Oauth2Url); GotoNonePage("微信用户未绑定"); } appId = WxPayConfig.APPID; timestamp = WxPayApi.GenerateTimeStamp(); nonceStr = WxPayApi.GenerateNonceStr(); //以下实现将在3、核心代码实现 体现 var jsApi = new JsApi(this); ResultJsData = jsApi.GetJsData(); WxJsApiParam = jsApi.GetJsApiParameters();//获取H5调起JS API参数 } }}

<%@ Page Title="在线签到" Language="C#" MasterPageFile="~/wxcrm/Site.Master" AutoEventWireup="true" CodeFile="location1.aspx.cs" Inherits="DTcms.Web.wxcrm.location1" %><asp:Content ID="Content1" ContentPlaceHolderID="cphHead" runat="server"> <meta name="viewport" content="initial-scale=1.0, user-scalable=no" /> <style type="text/css"> #allmap { width: 100%; height: 300px; } </style> <script type="text/javascript" src="http://api.map.baidu.com/api?v=2.0&ak=dhRLKMR9QUO4wHmnnSZTarta"></script> <script type="text/javascript"> //GPS坐标 var yy = <%= this.Request["longitude"] %>; //经度，浮点数，范围为180 ~ -180。 var xx = <%= this.Request["latitude"] %>; //纬度，浮点数，范围为90 ~ -90 var gpsPoint = new BMap.Point(xx,yy); var bxx = 0.0; var byy = 0.0; /* * http://lbsyun.baidu.com/index.php?title=webapi/guide/changeposition */ var PositionUrl = "http://api.map.baidu.com/geoconv/v1/?"; function changePosition(){ var str = "coords="+yy+","+xx+"&from=1&to=5"; var url = PositionUrl + str; $("#positionUrl").html(url+"&ak=dhRLKMR9QUO4wHmnnSZTartg"); var script = document.createElement('script'); script.src = url + '&ak=dhRLKMR9QUO4wHmnnSZTarta&callback=dealResult'; document.getElementsByTagName("head")[0].appendChild(script); } function dealResult(msg){ if(msg.status != 0){ alert("无正确的返回结果。"); $("#mask").hide(); return; } //JsonUti.convertToString(msg); bxx = msg.result[0].x; byy = msg.result[0].y; doOptions(); } function getBaiduPosition() { var url ="http://api.map.baidu.com/geoconv/v1/?coords="+yy+","+xx+"&from=1&to=5&ak=dhRLKMR9QUO4wHmnnSZTarta"; $.ajax({ url: url, success: function(data,status,xhr) {  alert(status);  alert(data.status); }, dataType: json }); } var ADVANCED_POST = ''; var advancedOptions = ''; var address; var map; function renderOption(response) { var html = ''; if (response.status ) { $("#mask").hide(); var text = "无正确的返回结果！"; alert(text); return; } var result = response.result; var location = response.result.location; var uri = 'http://api.map.baidu.com/marker?location='+ location.lat+','+location.lng +'&title='+response.result.level+'&content='+address+'&output=html'; var staticimageUrl = "http://api.map.baidu.com/staticimage?center=" + location.lng+','+location.lat + "&markers=" + location.lng+','+location.lat; html = '<p>坐标：纬度: ' + location.lat + " 经度: " + location.lng+'<br />'; html += '精度: '+response.result.precise+'<br />' ; html += '可信度: '+response.result.confidence +'<br />'; html += '地址类型: '+response.result.level+'</p>' ; html += '<p><img src="' + staticimageUrl + '" /></p>' ; html += '<p>分享该点: <a href="' + uri + '" target="_blank">' + uri + '</a></p>'; //将该链接设置成可单击 // 百度地图API功能 map = new BMap.Map("allmap"); var point = new BMap.Point(bxx, byy); var marker = new BMap.Marker(point); // 创建标注 map.addOverlay(marker); // 将标注添加到地图中 map.centerAndZoom(point, 100); var opts = { width: 200, // 信息窗口宽度 height: 100, // 信息窗口高度 title: "我的位置", // 信息窗口标题 enableMessage: true,//设置允许信息窗发送短息 message: result.formatted_address } $("#divPo").html("当前位置：" + result.formatted_address); var infoWindow = new BMap.InfoWindow(result.formatted_address, opts); // 创建信息窗口对象 marker.addEventListener("click", function () { map.openInfoWindow(infoWindow, point); //开启信息窗口 }); var myIcon = new BMap.Icon("http://api.map.baidu.com/img/markers.png", new BMap.Size(23, 25), { offset: new BMap.Size(10, 25), // 指定定位位置 imageOffset: new BMap.Size(0, 0 - 10 * 25) // 设置图片偏移 }); var pois = result.pois; for(var i=0;i<pois.length;i++){ var marker = new BMap.Marker(new BMap.Point(pois[i].point.x,pois[i].point.y),{icon:myIcon}); // 创建标注 var name = pois[i].name; var addr = pois[i].addr; map.addOverlay(marker); // 将标注添加到地图中 addClickHandler(name,addr,marker); } $("#mask").hide(); $("#btnSign").show(); return; } function addClickHandler(name,addr,marker){ marker.addEventListener("click",function(e){ openInfo(name,addr,e)} ); } function openInfo(name,addr,e){ var p = e.target; var point = new BMap.Point(p.getPosition().lng, p.getPosition().lat); var opts = { width: 200, // 信息窗口宽度 height: 100, // 信息窗口高度 title: name, // 信息窗口标题 enableMessage: true,//设置允许信息窗发送短息 message: addr } var infoWindow = new BMap.InfoWindow(addr,opts); // 创建信息窗口对象 map.openInfoWindow(infoWindow,point); //开启信息窗口 } function doOptions() { var script = document.createElement('script'); script.type = 'text/javascript'; ADVANCED_POST ="http://api.map.baidu.com/geocoder/v2/?ak=dhRLKMR9QUO4wHmnnSZTartg&callback=renderOption&location=" + byy + ","+bxx+ "&output=json&pois=2"; script.src = ADVANCED_POST; document.body.appendChild(script); }; $(function () { $("#mask").show(); $("#btnSign").hide(); changePosition(); }); </script></asp:Content><asp:Content ID="Content2" ContentPlaceHolderID="cphTitle" runat="server"> 在线签到</asp:Content><asp:Content ID="Content3" ContentPlaceHolderID="cphContainer" runat="server"> <form id="frmLocation" runat="server"> <div class="box mb50"> <div class="hd"><span>位置信息</span></div> <div class="bd" style="padding-left: 0"> <ul class="stipx" style="height: 300px;">  <div id="allmap"></div> </ul> </div> <div class="bd" style="padding-left: 0"> <ul class="stipx">  <div id="divPo"></div> </ul> </div> </div> <div class="next_btn" style="text-align: center; margin-top: -50px;"> <input id="btnSign" type="button" value="我要签到" style="cursor: pointer; width: 210px; height: 50px; border-radius: 15px; background-color: #00CD00; border: 0px #FE6714 solid; cursor: pointer; color: white; font-size: 16px;" /> </div> <div class="mask" style="display: none;"> <span> <img src="/templates/txwap/images/mask.gif" /> </span> </div> </form></asp:Content>

using System;using System.Globalization;using System.Linq;using System.Web.Security;using System.Web.UI;using WxPayAPI;namespace WxJsSDK{ public class JsApi { /// <summary> /// 保存页面对象，因为要在类的方法中使用Page的Request对象 /// </summary> private Page page { get; set; } public WxJsData ResultJsData { get; set; } /// <summary> /// /// </summary> /// <param name="page"></param> public JsApi(Page page) { this.page = page; } public WxJsData GetJsData() { var data = new WxJsData(); data.SetValue("appid", WxPayConfig.APPID);//公众账号ID data.SetValue("timestamp", WxPayApi.GenerateTimeStamp()); data.SetValue("noncestr", WxPayApi.GenerateNonceStr());//随机字符串 var url = GetUrl(); data.SetValue("url", url); var jsToken = GetJsApiTicket(); data.SetValue("jsapi_ticket", jsToken); var signature = MakeSignature(jsToken, data.GetValue("noncestr").ToString(), data.GetValue("timestamp").ToString(), url); data.SetValue("signature", signature); ResultJsData = data; return data; } private string MakeSignature(string jsapiTicket, string noncestr, string timestamp, string url) { string[] arrayList = { "jsapi_ticket=" + jsapiTicket, "timestamp=" + timestamp, "noncestr=" + noncestr, "url=" + url }; Array.Sort(arrayList); var signature = string.Join("&", arrayList); signature = FormsAuthentication.HashPasswordForStoringInConfigFile(signature, "SHA1").ToLower(); return signature; } private string GetJsApiTicket() { var jsAuth = new JsAuthorizeAction(); var token = jsAuth.GetToken(); var nd = DateTime.Now - token.CreateDate; Log.Error(this.GetType().ToString(), token.access_token); Log.Error(this.GetType().ToString(), token.IsValid().ToString()); if (token.IsValid()) return jsAuth.GetJsApiTicket(token.access_token).ticket; return ""; } private string GetUrl() { string host = page.Request.Url.Host; string path = page.Request.Path; string queryString = page.Request.Url.Query; //这个地方要注意，参与签名的是网页授权获取用户信息时微信后台回传的完整url string url = "http://" + host + path + queryString; return url; } public string GetJsApiParameters() { Log.Debug(this.GetType().ToString(), "JsApi ::GetJsApiParam is processing..."); string parameters = ResultJsData.ToJson(); Log.Debug(this.GetType().ToString(), "Get JsApi : " + parameters); return parameters; } }}

using Payment.WxWebHlper;using Payment.WxWebHlper.Results;using System;using WxPayAPI;namespace WxJsSDK{ public class JsAuthorizeAction { private static TokenResult Token = new TokenResult() { errcode = -1 }; private static JsApiTicketResult JsApiTicket = new JsApiTicketResult() { errcode = -1 }; public TokenResult GetToken() { Log.Error(this.GetType().ToString(), "GetToken"); if (!Token.IsValid()) { Token = GeTokenResult(); Log.Error(this.GetType().ToString(), Token.ToString()); } return Token; } /// <summary> /// /// </summary> /// <returns></returns> public TokenResult GeTokenResult() { var result = new TokenResult(); try { var webUtils = new WebUtils(); var url = string.Format("https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid={0}&secret={1}", WxPayConfig.APPID, WxPayConfig.APPSECRET); var strRtn = webUtils.Get(url); result = Tools.JsonStringToObj<TokenResult>(strRtn); } catch (Exception ex) { Log.Error(this.GetType().ToString(), ex.Message); result = new TokenResult() { errcode = -1086 }; } return result; } /// <summary> /// /// </summary> /// <param name="token"></param> /// <returns></returns> public JsApiTicketResult GetJsApiTicket(string token) { Log.Error(this.GetType().ToString(), "GetJsApiTicket传入token：" + token); if (!JsApiTicket.IsValid()) { JsApiTicket = GetJsApiTicketResult(token); } return JsApiTicket; } /// <summary> /// /// </summary> /// <param name="token"></param> /// <returns></returns> public JsApiTicketResult GetJsApiTicketResult(string token) { JsApiTicketResult result; try { var webUtils = new WebUtils(); var url = string.Format("https://api.weixin.qq.com/cgi-bin/ticket/getticket?access_token={0}&type=jsapi", token); var strRtn = webUtils.Get(url); result = Tools.JsonStringToObj<JsApiTicketResult>(strRtn); } catch (Exception ex) { Log.Error(this.GetType().ToString(), ex.Message); result = new JsApiTicketResult() { errcode = -1086 }; } return result; } } public class JsApiTicketResult : ReturnResult { /// <summary> /// 构造函数 /// </summary> public JsApiTicketResult() { CreateDate = DateTime.Now; } /// <summary> /// /// </summary> public string ticket { get; set; } /// <summary> /// access_token接口调用凭证超时时间，单位（秒） /// </summary> public int expires_in { get; set; } /// <summary> /// 创建时间 /// </summary> public DateTime CreateDate { get; set; } /// <summary> /// 判断是否有效 /// </summary> /// <returns></returns> public bool IsValid() { if (this.errcode != 0) return false; var nd = DateTime.Now - CreateDate; return nd.Seconds < 7200; } } public class TokenResult : ReturnResult { /// <summary> /// 构造函数 /// </summary> public TokenResult() { CreateDate = DateTime.Now; } /// <summary> /// 网页授权接口调用凭证,注意：此access_token与基础支持的access_token不同 /// </summary> public string access_token { get; set; } /// <summary> /// access_token接口调用凭证超时时间，单位（秒） /// </summary> public int expires_in { get; set; } /// <summary> /// 创建时间 /// </summary> public DateTime CreateDate { get; set; } /// <summary> /// 判断是否有效 /// </summary> /// <returns></returns> public bool IsValid() { if (this.errcode != 0) return false; var nd = DateTime.Now - CreateDate; return nd.Seconds < 7200; } }}

using LitJson;using System.Collections.Generic;using System.Security.Cryptography;using System.Text;using System.Xml;using WxPayAPI;namespace WxJsSDK{ public class WxJsData { private SortedDictionary<string, object> m_values = new SortedDictionary<string, object>(); /** * 设置某个字段的值 * @param key 字段名 * @param value 字段值 */ public void SetValue(string key, object value) { m_values[key] = value; } /** * 根据字段名获取某个字段的值 * @param key 字段名 * @return key对应的字段值 */ public object GetValue(string key) { object o = null; m_values.TryGetValue(key, out o); return o; } /** * 判断某个字段是否已设置 * @param key 字段名 * @return 若字段key已被设置，则返回true，否则返回false */ public bool IsSet(string key) { object o = null; m_values.TryGetValue(key, out o); if (null != o) return true; return false; } /** * @将Dictionary转成xml * @return 经转换得到的xml串 * @throws WxPayException **/ public string ToXml() { //数据为空时不能转化为xml格式 if (0 == m_values.Count) { Log.Error(this.GetType().ToString(), "WxPayData数据为空!"); throw new WxPayException("WxPayData数据为空!"); } string xml = "<xml>"; foreach (KeyValuePair<string, object> pair in m_values) { //字段值不能为null，会影响后续流程 if (pair.Value == null) {  Log.Error(this.GetType().ToString(), "WxPayData内部含有值为null的字段!");  throw new WxPayException("WxPayData内部含有值为null的字段!"); } if (pair.Value.GetType() == typeof(int) || pair.Value.GetType() == typeof(decimal)) {  xml += "<" + pair.Key + ">" + pair.Value.ToString() + "</" + pair.Key + ">"; } else if (pair.Value.GetType() == typeof(string)) {  xml += "<" + pair.Key + ">" + "<![CDATA[" + pair.Value + "]]></" + pair.Key + ">"; } else//除了string和int类型不能含有其他数据类型 {  Log.Error(this.GetType().ToString(), "WxPayData字段数据类型错误!");  throw new WxPayException("WxPayData字段数据类型错误!"); } } xml += "</xml>"; return xml; } /** * @将xml转为WxPayData对象并返回对象内部的数据 * @param string 待转换的xml串 * @return 经转换得到的Dictionary * @throws WxPayException */ public SortedDictionary<string, object> FromXml(string xml) { if (string.IsNullOrEmpty(xml)) { Log.Error(this.GetType().ToString(), "将空的xml串转换为WxPayData不合法!"); throw new WxPayException("将空的xml串转换为WxPayData不合法!"); } XmlDocument xmlDoc = new XmlDocument(); xmlDoc.LoadXml(xml); XmlNode xmlNode = xmlDoc.FirstChild;//获取到根节点<xml> XmlNodeList nodes = xmlNode.ChildNodes; foreach (XmlNode xn in nodes) { XmlElement xe = (XmlElement)xn; m_values[xe.Name] = xe.InnerText;//获取xml的键值对到WxPayData内部的数据中 } try { //2015-06-29 错误是没有签名 if (m_values["return_code"] != "SUCCESS") {  return m_values; } CheckSign();//验证签名,不通过会抛异常 } catch (WxPayException ex) { throw new WxPayException(ex.Message); } return m_values; } /** * @Dictionary格式转化成url参数格式 * @ return url格式串, 该串不包含sign字段值 */ public string ToUrl() { string buff = ""; foreach (KeyValuePair<string, object> pair in m_values) { if (pair.Value == null) {  Log.Error(this.GetType().ToString(), "WxPayData内部含有值为null的字段!");  throw new WxPayException("WxPayData内部含有值为null的字段!"); } if (pair.Key != "sign" && pair.Value.ToString() != "") {  buff += pair.Key + "=" + pair.Value + "&"; } } buff = buff.Trim('&'); return buff; } /** * @Dictionary格式化成Json * @return json串数据 */ public string ToJson() { string jsonStr = JsonMapper.ToJson(m_values); return jsonStr; } /** * @values格式化成能在Web页面上显示的结果（因为web页面上不能直接输出xml格式的字符串） */ public string ToPrintStr() { string str = ""; foreach (KeyValuePair<string, object> pair in m_values) { if (pair.Value == null) {  Log.Error(this.GetType().ToString(), "WxPayData内部含有值为null的字段!");  throw new WxPayException("WxPayData内部含有值为null的字段!"); } str += string.Format("{0}={1}<br>", pair.Key, pair.Value.ToString()); } Log.Debug(this.GetType().ToString(), "Print in Web Page : " + str); return str; } /** * @生成签名，详见签名生成算法 * @return 签名, sign字段不参加签名 */ public string MakeSign() { //转url格式 string str = ToUrl(); //在string后加入API KEY str += "&key=" + WxPayConfig.KEY; //MD5加密 var md5 = MD5.Create(); var bs = md5.ComputeHash(Encoding.UTF8.GetBytes(str)); var sb = new StringBuilder(); foreach (byte b in bs) { sb.Append(b.ToString("x2")); } //所有字符转为大写 string result = sb.ToString().ToUpper(); return result; } public string MakeAppSign() { //转url格式 string str = ToUrl(); //在string后加入API KEY str += "&key=" + WxPayConfig.KEYofAPP; //MD5加密 var md5 = MD5.Create(); var bs = md5.ComputeHash(Encoding.UTF8.GetBytes(str)); var sb = new StringBuilder(); foreach (byte b in bs) { sb.Append(b.ToString("x2")); } //所有字符转为大写 string result = sb.ToString().ToUpper(); return result; } /** * * 检测签名是否正确 * 正确返回true，错误抛异常 */ public bool CheckSign() { //如果没有设置签名，则跳过检测 if (!IsSet("sign")) { Log.Error(this.GetType().ToString(), "WxPayData签名存在但不合法!"); throw new WxPayException("WxPayData签名存在但不合法!"); } //如果设置了签名但是签名为空，则抛异常 if (GetValue("sign") == null || GetValue("sign").ToString() == "") { Log.Error(this.GetType().ToString(), "WxPayData签名存在但不合法!"); throw new WxPayException("WxPayData签名存在但不合法!"); } //获取接收到的签名 string return_sign = GetValue("sign").ToString(); //在本地计算新的签名 string cal_sign = MakeSign(); if (cal_sign == return_sign) { return true; } Log.Error(this.GetType().ToString(), "WxPayData签名验证错误!"); throw new WxPayException("WxPayData签名验证错误!"); } /** * @获取Dictionary */ public SortedDictionary<string, object> GetValues() { return m_values; } }}