.net 微信分享功能
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微信在国内目前无疑是最火的社交软件，智能手机装机必备。
微信api有java，php，Python语言的demo， 为毛没有C#的范例？
1.微信帮助类：
public class WeChatHelper { /// /// 公众号的全局唯一票据 /// public static String ACCESS_TOKEN = null; /// /// 凭证有效时间7200秒 /// public static DateTime? ACCESS_TOKEN_EXPIRE_TIME = null; /// /// 公众号用于调用微信JS接口的临时票据 /// public static String JS_API_TICKET = null; /// /// 有效期为7200秒 /// public static DateTime? JS_API_TICKET_EXPIRE_TIME = null; public const String APP_ID = "你的"; public const String APP_SECRET = "你的"; /// /// 生成签名的随机串 /// private String nonce = null; /// /// 生成签名的时间戳 /// private String timestamp = null; /// /// 签名 /// private String signature = null; /// /// 当前网页的URL，不包含#及其后面部分 /// private String url = null; public WeChatHelper(string url) { this.url = url; this.CheckAccessTokenAndJsApiTicket(); if (JS_API_TICKET == null || JS_API_TICKET.Trim().Length < 0) { throw new Exception("JS_API_TICKET is empty."); } this.Sign(); } private void CheckAccessTokenAndJsApiTicket() { DateTime now = DateTime.Now; if (ACCESS_TOKEN == null || ACCESS_TOKEN_EXPIRE_TIME == null || now > ACCESS_TOKEN_EXPIRE_TIME) { this.initAccessToken(); } if (JS_API_TICKET == null || JS_API_TICKET_EXPIRE_TIME == null || now > JS_API_TICKET_EXPIRE_TIME) { this.initJSAPITicket(); } } /// /// 初始化凭证 /// private void initAccessToken() { String result = ""; try { DateTime expireTime = DateTime.Now; String accessURL = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=" + APP_ID + "&secret=" + APP_SECRET; Uri realUrl = new Uri(accessURL); WebRequest request = WebRequest.Create(realUrl); HttpWebResponse response = (HttpWebResponse)request.GetResponse(); using (Stream resStream = response.GetResponseStream()) { if (resStream != null) { StreamReader reader = new StreamReader(resStream, Encoding.Default); result = reader.ReadToEnd(); } if (resStream != null) resStream.Close(); } JavaScriptSerializer jss = new JavaScriptSerializer(); Dictionary respDic = (Dictionary)jss.DeserializeObject(result); //var errCode = respDic["errcode"]; //var errMsg = respDic["errmsg"]; if (respDic.ContainsKey("errcode")) { throw new Exception("Fail to get weixin access token. ERROR Code:" + respDic["errcode"].ToString() + " errMsg:" + respDic["errmsg"].ToString()); } //通过键access_token获取值 ACCESS_TOKEN = respDic["access_token"].ToString(); var expireIn = respDic["expires_in"]; if (expireIn != null){ expireTime = expireTime.AddSeconds(double.Parse(expireIn.ToString())); } ACCESS_TOKEN_EXPIRE_TIME = expireTime; }finally{ } } /// /// 初始临时票据 /// private void initJSAPITicket() { String result = ""; try { DateTime expireTime = DateTime.Now; String accessURL = "https://api.weixin.qq.com/cgi-bin/ticket/getticket?access_token=" + ACCESS_TOKEN + "&type=jsapi"; Uri realUrl = new Uri(accessURL); WebRequest request = WebRequest.Create(realUrl); HttpWebResponse response = (HttpWebResponse)request.GetResponse(); using (Stream resStream = response.GetResponseStream()) { if (resStream != null) { StreamReader reader = new StreamReader(resStream, Encoding.Default); result = reader.ReadToEnd(); } if (resStream != null) resStream.Close(); } JavaScriptSerializer jss = new JavaScriptSerializer(); Dictionary respDic = (Dictionary)jss.DeserializeObject(result); //var errCode = respDic["errcode"]; //var errMsg = respDic["errmsg"]; if (respDic.ContainsKey("errcode") && respDic["errcode"].ToString() != "0") { throw new Exception("Fail to get weixin access token. ERROR Code:" + respDic["errcode"].ToString() + " errMsg:" + respDic["errmsg"].ToString()); } JS_API_TICKET = respDic["ticket"].ToString(); var expireIn = respDic["expires_in"]; if (expireIn != null){ expireTime = expireTime.AddSeconds(double.Parse(expireIn.ToString())); } JS_API_TICKET_EXPIRE_TIME = expireTime; }finally{ } } private void Sign() { this.nonce = Guid.NewGuid().ToString(); this.timestamp = ((long)((DateTime.UtcNow - new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc)).TotalMilliseconds/1000)).ToString(); String signatureUnCrpty = "jsapi_ticket=" + JS_API_TICKET + "&noncestr=" + this.nonce + "×tamp=" + this.timestamp + "&url=" + this.url; this.signature = FormsAuthentication.HashPasswordForStoringInConfigFile(signatureUnCrpty, "SHA1"); } public String getNonce() { return nonce; } public void setNonce(String nonce) { this.nonce = nonce; } public String getTimestamp() { return timestamp; } public void setTimestamp(String timestamp) { this.timestamp = timestamp; } public String getSignature() { return signature; } public void setSignature(String signature) { this.signature = signature; } public String getUrl() { return url; } public void setUrl(String url) { this.url = url; } }2.前端脚本：wechat.js 需要引入 var titleStr = '测一测,你是哪个小升初名校的菜';var descStr = '测一测,你是哪个小升初名校的菜';var linkStr = window.location.href;var logoStr = 'http://game.zy.com/Content/images/share_icon.png';var optionTimeline = { title: titleStr, desc: descStr, link: linkStr, imgUrl: logoStr, trigger: function (res) { //alert('用户点击分享到朋友圈'); }, success: function (res) { //alert('已分享');可以统计分享到朋友圈次数 $.ajax({ url: '/Game/SetShare', type: 'POST', async: false, cache: false, data: { typeID: 1 }, success: function (objJson) { } }); }};var optionAppMessag ={ title: titleStr, desc: descStr, link: linkStr, imgUrl: logoStr, trigger: function (res) { //alert('用户点击发送给朋友'); }, success: function (res) { //alert('已分享');可以统计发送朋友次数 $.ajax({ url: '/Game/SetShare', type: 'POST', async: false, cache: false, data: { typeID: 2 }, success: function (objJson) { } }); }, cancel: function (res) { //alert('已取消'); }, fail: function (res) { //alert(JSON.stringify(res)); } };function getWeChat() { $.ajax({ url: '/Game/GetWeChatInfo', type: 'GET', async: false, cache: false, data: { 'url': linkStr }, success: function (objJson) { // if (objJson.success) { var objJson = eval('(' + objJson + ')'); //由JSON字符串转换为JSON对象 var appId = objJson.APP_ID; var timestamp = objJson.TIMESTAMP; var nonce = objJson.NONCE; var signature = objJson.SIGNATURE; wx.config({ debug: false, // 开启调试模式,调用的所有api的返回值会在客户端alert出来，若要查看传入的参数，可以在pc端打开，参数信息会通过log打出，仅在pc端时才会打印。 appId: appId, // 必填，公众号的唯一标识 timestamp: timestamp, // 必填，生成签名的时间戳 nonceStr: nonce, // 必填，生成签名的随机串 signature: signature, // 必填，签名，见附录1 jsApiList: ['onMenuShareTimeline', 'onMenuShareAppMessage'] // 必填，需要使用的JS接口列表，所有JS接口列表见附录2 }); // } // else { // } } });}//初始分享数据function weChatShare(optionAppMessag, optionTimeline) { wx.ready(function () { wx.onMenuShareAppMessage(optionAppMessag); wx.onMenuShareTimeline(optionTimeline); })};wx.error(function(res){ //alert("Error weixin"); // 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。});getWeChat();weChatShare(optionAppMessag, optionTimeline); 以上代码封装了相关参数，原因是 weChatShare() 方法初始了分享的标题，如果要使用动态的标题，必须在获取动态数据后在初始化一次。 /* 游戏结束调用 返回答题的json */ window.gameOver = function (strJson) { $.ajax({ url: "/Game/SumbmitAnswer", type: "POST", data: { answer: strJson }, timeout: 5000, async: false, dataType: "json", success: function (result) { /* 更新视图 */ if (jc.hasUI("results")) { jc.ui.results.all(function (i, obj) { obj.setInfo({ scrollName: result.School, right: result.RightNum, ranking: result.Beat }); //初始化微信分享新数据 optionTimeline.title = optionAppMessag.title = "我答对了" + result.RightNum + "道题,打败了" + result.Beat + "%的学生,成为" + result.School + "学校的潜力学生. 放学后别走,等你来挑战"; weChatShare(optionAppMessag, optionTimeline); }); } } }); } 0 0
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