57 lines
2.6 KiB
C#
57 lines
2.6 KiB
C#
using System;
|
||
using System.Collections.Generic;
|
||
using System.Linq;
|
||
using System.Text;
|
||
using System.Net.Http;
|
||
using Codeplex.Data;
|
||
using Deepleo.Weixin.SDK.Helpers;
|
||
|
||
namespace Deepleo.Weixin.SDK.JSSDK
|
||
{
|
||
/// <summary>
|
||
/// http://mp.weixin.qq.com/wiki/7/aaa137b55fb2e0456bf8dd9148dd613f.html
|
||
/// 微信JS-SDK使用权限签名算法
|
||
/// </summary>
|
||
public class JSAPI
|
||
{
|
||
/// <summary>
|
||
/// 获取jsapi_ticket
|
||
/// jsapi_ticket是公众号用于调用微信JS接口的临时票据。
|
||
/// 正常情况下，jsapi_ticket的有效期为7200秒，通过access_token来获取。
|
||
/// 由于获取jsapi_ticket的api调用次数非常有限，频繁刷新jsapi_ticket会导致api调用受限，影响自身业务，开发者必须在自己的服务全局缓存jsapi_ticket 。
|
||
/// </summary>
|
||
/// <param name="access_token">BasicAPI获取的access_token,也可以通过TokenHelper获取</param>
|
||
/// <returns></returns>
|
||
public static dynamic GetTickect(string access_token)
|
||
{
|
||
var url = string.Format("https://api.weixin.qq.com/cgi-bin/ticket/getticket?access_token={0}&type=jsapi", access_token);
|
||
var client = new HttpClient();
|
||
var result = client.GetAsync(url).Result;
|
||
if (!result.IsSuccessStatusCode) return string.Empty;
|
||
var jsTicket = DynamicJson.Parse(result.Content.ReadAsStringAsync().Result);
|
||
return jsTicket;
|
||
}
|
||
|
||
|
||
/// <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 static string GetSignature(string jsapi_ticket, string noncestr, long timestamp, string url, out string string1)
|
||
{
|
||
var string1Builder = new StringBuilder();
|
||
string1Builder.Append("jsapi_ticket=").Append(jsapi_ticket).Append("&")
|
||
.Append("noncestr=").Append(noncestr).Append("&")
|
||
.Append("timestamp=").Append(timestamp).Append("&")
|
||
.Append("url=").Append(url.IndexOf("#") >= 0 ? url.Substring(0, url.IndexOf("#")) : url);
|
||
string1 = string1Builder.ToString();
|
||
return Util.Sha1(string1);
|
||
}
|
||
|
||
}
|
||
}
|