手机Web APP如何实现分享多平台功能

function shareSina() {
//分享到新浪微博
var sharesinastring = 'http://service.weibo.com/share/share.php?title=' + $("#title").val() + '&url=' + $("#url").val();
window.location.href = sharesinastring;
}
function shareQQzone(){
var p = {
url:location.href,
showcount:'0',/*是否显示分享总数,显示：'1'，不显示：'0' */
desc:'',/*默认分享理由(可选)*/
summary:'',/*分享摘要(可选)*/
title:'',/*分享标题(可选)*/
site:'满艺网',/*分享来源 如：腾讯网(可选)*/
pics:'', /*分享图片的路径(可选)*/
style:'203',
width:98,
height:22
};
//分享到QQ空间
var sharesinastring = 'http://sns.qzone.qq.com/cgi-bin/qzshare/cgi_qzshare_onekey?title=' + $("#title").val() + '&url=' + $("#url").val() + '&site="满艺网"';
window.location.href = sharesinastring;
}
function shareQQ() {
var p = {
url: location.href, /*获取URL，可加上来自分享到QQ标识，方便统计*/
desc: '', /*分享理由(风格应模拟用户对话),支持多分享语随机展现（使用|分隔）*/
title: '', /*分享标题(可选)*/
summary: '', /*分享摘要(可选)*/
pics: '', /*分享图片(可选)*/
flash: '', /*视频地址(可选)*/
site: '满艺网', /*分享来源(可选) 如：QQ分享*/
style: '201',
width: 32,
height: 32
};
//分享到QQ
var sharesinastring = 'http://connect.qq.com/widget/shareqq/index.html?title=' + $("#title").val() + '&summary=' + $("#url").val() + '&url=' + $("#url").val() + '&site="满艺网"';
window.location.href = sharesinastring;
}
function shareQQweibo() {
var p = {
url: location.href, /*获取URL，可加上来自分享到QQ标识，方便统计*/
title: '', /*分享标题(可选)*/
pic: '', /*分享图片(可选)*/
site: '满艺网' /*分享来源(可选) 如：QQ分享*/
};
//分享到腾讯微博
var sharesinastring = 'http://v.t.qq.com/share/share.php?title=' + $("#title").val() + '&url=' + $("#url").val() + '&site="满艺网"';
window.location.href = sharesinastring;
}

using System;
using System.Net;
using System.Web.Mvc;
using System.IO;
using System.Text;
using System.Web.Script.Serialization;
using ManYiAbyWAP.Models;
/// <summary>
/// 微信获取jsapi_ticket
/// </summary>
namespace ManYiAbyWAP.Controllers
{
public class WXMessageController : Controller
{
private static string APPID = "微信提供的appid";
private static string SECRECT = "微信提供的secrect";
public static WXInfo accessToken = null;//全局对象，每7200秒更新一次，微信对每日获取Token有请求次数与时效限制
public static DateTime overTime = DateTime.Now;//用于Token的过期验证
public ActionResult GetToken(string url) {
if (accessToken != null)
{
TimeSpan span = Convert.ToDateTime(overTime).Subtract(Convert.ToDateTime(DateTime.Now));
if (span.TotalHours > 2)
{
accessToken = GETWinXinToken();
overTime = DateTime.Now;
}
}
else
{
accessToken = GETWinXinToken();
overTime = DateTime.Now;
}
//生成签名的时间戳
TimeSpan ts = DateTime.UtcNow - new DateTime(1970, 1, 1, 0, 0, 0, 0);
accessToken.timestamp = Convert.ToInt64(ts.TotalSeconds).ToString();
//获取随机串
accessToken.noncestr = createNonceStr(16);
string str = "jsapi_ticket="+ accessToken .ticket+ "&noncestr="+ accessToken.noncestr + "&timestamp="+ accessToken.timestamp + "&url="+ url;
accessToken.signature = SHA1(str).ToLower();
accessToken.APPID = APPID;
return Json(accessToken, JsonRequestBehavior.AllowGet);
}
//生成随机串
private string createNonceStr(int length = 16)
{
string str = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
Random r = new Random();
string result = string.Empty;
//生成一个8位长的随机字符，具体长度可以自己更改
for (int i = 0; i < length; i++)
{
int m = r.Next(0, 62);//这里下界是0，随机数可以取到，上界应该是62，因为随机数取不到上界，也就是最大62，符合我们的题意
string s = str.Substring(m, 1);
result += s;
}
return result;
}
//散列算法
private static string SHA1(string text)
{
byte[] cleanBytes = Encoding.Default.GetBytes(text);
byte[] hashedBytes = System.Security.Cryptography.SHA1.Create().ComputeHash(cleanBytes);
return BitConverter.ToString(hashedBytes).Replace("-", "");
}
//通过GET请求获取Token
private static WXInfo GETWinXinToken() {
//获取access_token
HttpWebResponse response = CreateGetHttpResponse("https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=" + APPID + "&secret=" + SECRECT, 5000);
StreamReader reader = new StreamReader(response.GetResponseStream());
String line;
StringBuilder sb = new StringBuilder();
while ((line = reader.ReadLine()) != null)
{
sb.Append(line.ToString());
}
JavaScriptSerializer js = new JavaScriptSerializer();
WXInfo accessToken = js.Deserialize<WXInfo>(sb.ToString());
//获取jsapi_ticket
response = CreateGetHttpResponse("https://api.weixin.qq.com/cgi-bin/ticket/getticket?access_token=" + accessToken.access_token + "&type=jsapi", 5000);
reader = new StreamReader(response.GetResponseStream());
sb = new StringBuilder();
while ((line = reader.ReadLine()) != null)
{
sb.Append(line.ToString());
}
accessToken = js.Deserialize<WXInfo>(sb.ToString());
return accessToken;
}
/// <summary> 
/// 创建GET方式的HTTP请求 
/// </summary> 
/// <param name="url">请求的URL</param> 
/// <param name="timeout">请求的超时时间</param> 
/// <param name="userAgent">请求的客户端浏览器信息，可以为空</param> 
/// <param name="cookies">随同HTTP请求发送的Cookie信息，如果不需要身份验证可以为空</param> 
/// <returns></returns> 
public static HttpWebResponse CreateGetHttpResponse(string url, int? timeout, string userAgent=null, CookieCollection cookies=null)
{
if (string.IsNullOrEmpty(url))
{
throw new ArgumentNullException("url");
}
HttpWebRequest request = WebRequest.Create(url) as HttpWebRequest;
request.Method = "GET";
if (!string.IsNullOrEmpty(userAgent))
{
request.UserAgent = userAgent;
}
if (timeout.HasValue)
{
request.Timeout = timeout.Value;
}
if (cookies != null)
{
request.CookieContainer = new CookieContainer();
request.CookieContainer.Add(cookies);
}
return request.GetResponse() as HttpWebResponse;
}
}
}

namespace ManYiAbyWAP.Models
{
/// <summary>
/// 微信获取Token返回参数类
/// </summary>
public class WXInfo
{
public string APPID { get; set; }
public string access_token { get; set; }//access_token
public string expires_in { get; set; }//Token过期时间,7200秒内有效
public string ticket { get; set; }//jsapi_ticket
public string errmsg { get; set; }
public int errcode { get; set; }
public string noncestr { get; set; }//生成签名的随机串
public string timestamp { get; set; }//生成签名的时间戳
public string signature { get; set; }//签名返回值
}
}

//微信JS SDK请求状态
var requestStatus = 0;
function shareWX() {
if (requestStatus != 1) {
requestStatus = 1;//正在请求
var ajaxPara = "url=" + encodeURIComponent(window.location.href.split('#')[0]);
$.ajax({
url: '/WXMessage/GetToken',
dataType: 'json',
data: ajaxPara,
success: function (json) {
if (undefined != json && json !== "") {
var jsonObjs = eval(json);
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: jsonObjs.APPID, // 必填，公众号的唯一标识
timestamp: jsonObjs.timestamp, // 必填，生成签名的时间戳
nonceStr: jsonObjs.noncestr, // 必填，生成签名的随机串
signature: jsonObjs.signature,// 必填，签名，见附录1
jsApiList: [
'checkJsApi',
'onMenuShareTimeline',
'onMenuShareAppMessage',
'onMenuShareQQ',
'onMenuShareWeibo',
'onMenuShareQZone'
] // 必填，需要使用的JS接口列表，所有JS接口列表见附录2
});
wx.ready(function () {
//alert("微信验证成功");
// config信息验证后会执行ready方法，所有接口调用都必须在config接口获得结果之后，config是一个客户端的异步操作，所以如果需要在页面加载时就调用相关接口，则须把相关接口放在ready函数中调用来确保正确执行。对于用户触发时才调用的接口，则可以直接调用，不需要放在ready函数中。
wx.checkJsApi({
jsApiList: [
'checkJsApi',
'onMenuShareTimeline',
'onMenuShareAppMessage',
'onMenuShareQQ',
'onMenuShareWeibo',
'onMenuShareQZone'
], // 需要检测的JS接口列表，所有JS接口列表见附录2,
success: function (res) {
// 以键值对的形式返回，可用的api值true，不可用为false
// 如：{"checkResult":{"chooseImage":true},"errMsg":"checkJsApi:ok"}
}
});
wx.onMenuShareWeibo({
title: '满艺网分享测试', // 分享标题
desc: '满艺网分享描述测试', // 分享描述
link: 'http://www.manyiaby.com', // 分享链接
imgUrl: 'http://www.manyiaby.com/img/logo_2.jpg', // 分享图标
success: function () {
// 用户确认分享后执行的回调函数
alert("分享成功");
},
cancel: function () {
// 用户取消分享后执行的回调函数
alert("分享取消");
}
});
});
wx.error(function (res) {
//alert("微信验证失败 res:"+res);
// config信息验证后会执行ready方法，所有接口调用都必须在config接口获得结果之后，config是一个客户端的异步操作，所以如果需要在页面加载时就调用相关接口，则须把相关接口放在ready函数中调用来确保正确执行。对于用户触发时才调用的接口，则可以直接调用，不需要放在ready函数中。
});
requestStatus = 2;//请求完成
}
},
complete: function () {
window.setTimeout(function () {
requestStatus = 2;//请求完成
}, 300);
}
});
}