--
微信分享首先要从后台传签名算法，后台方法
/// <summary>
/// 签名算法
/// </summary>
/// <param name="jsapi_ticket">jsapi_ticket</param>
/// <param name="noncestr">随机字符串(必须与wx.config中的nonceStr相同)</param>
/// <param name="timestamp">时间戳(必须与wx.config中的timestamp相同)</param>
/// <param name="url">当前网页的URL，不包含#及其后面部分(必须是调用JS接口页面的完整URL)</param>
/// <returns></returns>
public string GetSignature(
string noncestr,
long timetamp,
string url,
string accessToken,
out string string1)
{
string jsapi_ticket =
GetTickect(accessToken);
var string1Builder =
new StringBuilder();
string1Builder.Append("jsapi_ticket=").Append(jsapi_ticket).Append(
"&")
.Append("noncestr=").Append(noncestr).Append(
"&")
.Append("timestamp=").Append(timetamp).Append(
"&")
.Append("url=").Append(url.IndexOf(
"#") >=
0 ? url.Substring(
0, url.IndexOf(
"#")) : url);
string1 =
string1Builder.ToString();
return Sha1(string1);
}
private static string[] strs =
new string[]
{
"a",
"b",
"c",
"d",
"e",
"f",
"g",
"h",
"i",
"j",
"k",
"l",
"m",
"n",
"o",
"p",
"q",
"r",
"s",
"t",
"u",
"v",
"w",
"x",
"y",
"z",
"A",
"B",
"C",
"D",
"E",
"F",
"G",
"H",
"I",
"J",
"K",
"L",
"M",
"N",
"O",
"P",
"Q",
"R",
"S",
"T",
"U",
"V",
"W",
"X",
"Y",
"Z"
};
/// <summary>
/// 创建随机字符串
/// </summary>
/// <returns></returns>
private string CreatenNonce_str()
{
Random r =
new Random();
var sb =
new StringBuilder();
var length =
strs.Length;
for (
int i =
0; i <
15; i++
)
{
sb.Append(strs[r.Next(length -
1)]);
}
return sb.ToString();
}
/// <summary>
/// 创建时间戳
/// </summary>
/// <returns></returns>
private long CreatenTimestamp()
{
return (DateTime.Now.ToUniversalTime().Ticks -
621355968000000000) /
10000000;
}
/// <summary>
/// Sha1
/// </summary>
/// <param name="orgStr"></param>
/// <param name="encode"></param>
/// <returns></returns>
public static string Sha1(
string orgStr,
string encode =
"UTF-8")
{
var sha1 =
new SHA1Managed();
var sha1bytes =
System.Text.Encoding.GetEncoding(encode).GetBytes(orgStr);
byte[] resultHash =
sha1.ComputeHash(sha1bytes);
string sha1String =
BitConverter.ToString(resultHash).ToLower();
sha1String = sha1String.Replace(
"-",
"");
return sha1String;
}
/// <summary>
/// 获取AccessToken
/// </summary>
/// <returns></returns>
public string GetAccessToken()
{
string cacheKey =
string.Format(ModelCacheEventConsumer.TOKENNAME_PATTERN_KEY);
var cacheModel = _cacheManager.Get(cacheKey, () =>
{
string grant_type =
"client_credential";
string appid =
"wx76a637f31faef786";
string secret =
"02ff8a2030305730c9f75b2335b7ce17"; ;
string tokenUrl =
string.Format(
"https://api.weixin.qq.com/cgi-bin/token?grant_type={0}&appid={1}&secret={2}", grant_type, appid, secret);
string strReturn =
Get(tokenUrl);
strReturn =
GetTokenStr(strReturn);
return strReturn;
});
return cacheModel;
}
public static string GetTokenStr(
string tokenJsonStr)
{
//if(string.IsNullOrEmpty(tokenJsonStr)
var strArray = tokenJsonStr.Split(
',');
var tokenArray = strArray[
0].Split(
':');
var tokenStr = tokenArray[
1];
tokenStr = tokenStr.Replace(
"\"",
string.Empty);
return tokenStr;
}
public string GetJSAPIStr(
string jsapiJsonStr)
{
//if(string.IsNullOrEmpty(tokenJsonStr)
var strArray1 = jsapiJsonStr.Split(
',');
var strArray2 = strArray1[
2].Split(
':');
var tokenStr = strArray2[
1];
tokenStr = tokenStr.Replace(
"\"",
string.Empty);
return tokenStr;
}
public string GetTickect(
string accessToken)
{
string cacheKey =
string.Format(ModelCacheEventConsumer.JSAPINAME_PATTERN_KEY);
var cacheModel = _cacheManager.Get(cacheKey, () =>
{
string type =
"jsapi";
string tokenUrl =
string.Format(
"https://api.weixin.qq.com/cgi-bin/ticket/getticket?access_token={0}&type={1}", accessToken, type);
string jsapi =
Get(tokenUrl);
jsapi =
GetJSAPIStr(jsapi);
return jsapi;
});
//记录操作日志
//_logger.InsertLog(LogLevel.Debug, cacheModel);
return cacheModel;
}
public static bool CheckValidationResult(
object sender, X509Certificate certificate, X509Chain chain, SslPolicyErrors errors)
{
//直接确认，否则打不开
return true;
}
public static string Get(
string url)
{
System.GC.Collect();
string result =
"";
HttpWebRequest request =
null;
HttpWebResponse response =
null;
//请求url以获取数据
try
{
//设置最大连接数
ServicePointManager.DefaultConnectionLimit =
200;
//设置https验证方式
if (url.StartsWith(
"https", StringComparison.OrdinalIgnoreCase))
{
ServicePointManager.ServerCertificateValidationCallback =
new RemoteCertificateValidationCallback(CheckValidationResult);
}
/***************************************************************
* 下面设置HttpWebRequest的相关属性
* ************************************************************/
request =
(HttpWebRequest)WebRequest.Create(url);
request.Method =
"GET";
//获取服务器返回
response =
(HttpWebResponse)request.GetResponse();
//获取HTTP返回数据
StreamReader sr =
new StreamReader(response.GetResponseStream(), Encoding.UTF8);
result =
sr.ReadToEnd().Trim();
sr.Close();
}
catch (Exception e)
{
throw new Exception(e.ToString());
}
finally
{
//关闭连接和流
if (response !=
null)
{
response.Close();
}
if (request !=
null)
{
request.Abort();
}
}
return result;
}
---
微信分享的前台js代码
<script>
function getBasePath() {
var curWwwPath =
window.document.location.href;
var pathName =
window.document.location.pathname;
var pos =
curWwwPath.indexOf(pathName);
var localhostPaht = curWwwPath.substring(
0, pos);
var projectName = pathName.substring(
0, pathName.substr(
1).indexOf(
'/') +
1);
return (localhostPaht +
projectName);
}
//此处是使用了百度分享的插件
window._bd_share_config =
{
common: {
bdText: "@Model.Name",
//标题
bdUrl:
'@Model.ProductSharlFPlusUrl?pro=@Model.PromoterInfo',
//链接
bdMini:
'2',
bdMiniList: ['weixin',
'sqq'],
bdPic: '@(Model.PictureModels.Any()?Model.PictureModels[0].ImageUrl:"")',
//图片
data_track_clickback:
true,
onAfterClick: function (cmd) {
if (cmd ==
'sqq') {
sucesscallback(3);
//点击了qq分享后的回执方法
}
}
},
share: {
"tag":
'share_1',
"bdSize":
24
}
}; //插件的JS加载部分，这是使用百度分享插件必须引用的js
with (document)
0[(getElementsByTagName(
'head')[
0] || body).appendChild(createElement(
'script')).src =
'@Url.Content("~/Content/BaiduShare/api/js/share.js?cdnversion=")' + ~(-
new Date() /
36e5)];
if (isWeiXin()) {
$('#shareesc').addClass(
'isdisplay');
$('#fenxiang').addClass(
'isdisplay');
wx.config({
debug: false,
appId: 'wx76a637f31faef786',
timestamp: '@ViewBag.timestamp',
//这些值就是从后台获取的时间戳、数字签名、随机串
nonceStr:
'@ViewBag.nonceStr',
signature: '@ViewBag.signature',
jsApiList: [
'onMenuShareTimeline',
//分享到朋友圈
'onMenuShareAppMessage'//分享到好友
]
});
var imgUrl =
"@(Model.PictureModels.Any()?Model.PictureModels[0].ImageUrl:"")";
//图片LOGO注意必须是绝对路径
var lineLink =
"@Model.ProductSharlFPlusUrl?pro=@Model.PromoterInfo";
//网站网址，必须是绝对路径
var descContent =
'@Model.SubTitle';
//分享给朋友或朋友圈时的文字简介
var shareTitle =
'@Model.Name';
//分享title
var appid =
'wx76a637f31faef786';
//apiID，可留空，这个是注册了微信公众平台之后平台给的appid和secret
//分享给好友
function shareFriend() {
WeixinJSBridge.invoke('sendAppMessage', {
"appid": appid,
"img_url": imgUrl,
"img_width":
"200",
"img_height":
"200",
"link": lineLink,
"desc": descContent,
"title": shareTitle,
}, function (res) {
if (res.err_msg ==
'send_app_msg:ok') {
sucesscallback(1);
}
});
}
//分享到朋友圈
function shareTimeline() {
WeixinJSBridge.invoke('shareTimeline', {
"img_url": imgUrl,
"img_width":
"200",
"img_height":
"200",
"link": lineLink,
"desc": descContent,
"title": shareTitle
}, function (res) {
if (res.err_msg ==
'share_timeline:ok') {
sucesscallback(2);
}
});
}
// 当微信内置浏览器完成内部初始化后会触发WeixinJSBridgeReady事件。
document.addEventListener(
'WeixinJSBridgeReady', function onBridgeReady() {
// 发送给好友
WeixinJSBridge.on(
'menu:share:appmessage', function (argv) {
shareFriend();
});
// 分享到朋友圈
WeixinJSBridge.on(
'menu:share:timeline', function (argv) {
shareTimeline();
});
}, false);
wx.ready(function () {
// 1 判断当前版本是否支持指定 JS 接口，支持批量判断
document.querySelector(
'#checkJsApi').onclick =
function () {
wx.checkJsApi({
jsApiList: [
'onMenuShareTimeline',
'onMenuShareAppMessage'
],
success: function (res) {
alert(JSON.stringify(res));
}
});
};
});
wx.error(function (res) {
alert(res.errMsg);
});
}
//};
//判断是否是微信浏览器，因为qq 分享的时候点击微信都是在微信浏览器中打开当前页面，然后在微信浏览器中进行分享
function isWeiXin() {
var ua =
window.navigator.userAgent.toLowerCase();
if (ua.match(/MicroMessenger/i) ==
'micromessenger') {
return true;
} else {
return false;
}
}
//这是分享成功之后的回调函数，可以用来保存分享历史记录之类的
function sucesscallback(stype) {
@if (WorkContext.CurrentCustomer.IsRegistered())
{
<text>
$.ajax({
cache: false,
type: "GET",
dataType: "json",
contentType: "application/json;charset=utf-8",
url: "@(Url.Action("BuildShareHistory
", "Product
"))",
data: { productid: "@Model.Id", sharetype: stype, customerId:
"@WorkContext.CurrentCustomer.Id" },
complete: function (data) {
//返回根据文件名查询的值;
var result =
data.responseText.toString();
if (result ==
"1") {
//分享成功;
return false;
}
}
});
</text>
}
else
{
<text>
;
</text>
}
};
</script>
<script src=
"https://res.wx.qq.com/open/js/jweixin-1.0.0.js"></script>
//这个是调用微信分享官方接口必须的引用js
转载于:https://www.cnblogs.com/Mr-Worlf/p/8709272.html
