using Common
using Newtonsoft.Json.Linq;
using System;using System.IO;
using System.Net;
using System.Text;
/// 调用微信接口凭证access_token
private static string test_access_token
{
get
{
return "XXXXXXXXXXXX";
}
}
/// 新增其他类型永久素材，返回值{"media_id":"eZh1QTjGGSyE-i9k8uHZqrd5LpHfYBsKtUrSfnjf8k0",
/// "url":"http:\/\/mmbiz.qpic.cn\/mmbiz_png\/gHnmqhvpvh5HoibMEcGEAK4eAKvIR18kuKoXbjCiaRa1p1WTBgicYMDvqkjTadib21KUWYpibzfuXj6ibRw8ibw\/0?wx_fmt=png"}
/// 目标地址
/// 图片物理文件路径
public string add_material()
{
//图片（image）: 2M，支持bmp/png/jpeg/jpg/gif格式
//语音（voice）：2M，播放长度不超过60s，mp3/wma/wav/amr格式
//视频（video）：10MB，支持MP4格式
//缩略图（thumb）：64KB，支持JPG格式
var file = Request.Files[0];
string fileName = file.FileName;
string url = string.Format("https://api.weixin.qq.com/cgi-bin/material/add_material?access_token={0}&type={1}", test_access_token, "image");
//读取上载文件流
System.IO.Stream fileStream = file.InputStream;
byte[] fileByte = new byte[fileStream.Length];
fileStream.Read(fileByte, 0, fileByte.Length);
// 设置参数
HttpWebRequest request = WebRequest.Create(url) as HttpWebRequest;
CookieContainer cookieContainer = new CookieContainer();
request.CookieContainer = cookieContainer;
request.AllowAutoRedirect = true;
request.Method = "POST";
string boundary = DateTime.Now.Ticks.ToString("X"); // 随机分隔线
request.ContentType = "multipart/form-data;charset=utf-8;boundary=" + boundary;
byte[] itemBoundaryBytes = Encoding.UTF8.GetBytes("\r\n--" + boundary + "\r\n");
byte[] endBoundaryBytes = Encoding.UTF8.GetBytes("\r\n--" + boundary + "--\r\n");
//请求头部信息
StringBuilder sbHeader =
new StringBuilder(
string.Format(
"Content-Disposition:form-data;name=\"media\";filename=\"{0}\"\r\nContent-Type:application/octet-stream\r\n\r\n",
fileName));
byte[] postHeaderBytes = Encoding.UTF8.GetBytes(sbHeader.ToString());
Stream postStream = request.GetRequestStream();
postStream.Write(itemBoundaryBytes, 0, itemBoundaryBytes.Length);
postStream.Write(postHeaderBytes, 0, postHeaderBytes.Length);
postStream.Write(fileByte, 0, fileByte.Length);
postStream.Write(endBoundaryBytes, 0, endBoundaryBytes.Length);
postStream.Close();
//发送请求并获取相应回应数据
HttpWebResponse response = request.GetResponse() as HttpWebResponse;
Stream instream = response.GetResponseStream();
StreamReader sr = new StreamReader(instream, Encoding.UTF8);
string content = sr.ReadToEnd();
return content;
}
/// 上传图文消息素材，返回格式：{"type":"news","media_id":"mF1J9boYDAQlYew4wbvbxQKMBkLPa1WzhGbDW7FVak","created_at":1391857799}
public string add_news()
{
var news = "{\"articles\":[{\"thumb_media_id\":\"mF1J9boYDAQlYew4wbvbxTgoKle16WjhsxuwhV9ZtQ\",\"author\":\"PDF\",\"title\":\"车行易.违章查询\",\"content_source_url\":\"www.qq.com\",\"content\":\"\",\"digest\":\"为车主朋友们提供优质让人满意的服务\",\"show_cover_pic\":1}]}";
var newsUrl = "https://api.weixin.qq.com/cgi-bin/material/add_news?access_token={0}";
newsUrl = string.Format(newsUrl, test_access_token);
var result = HttpHelper.Post(newsUrl, news, null, "applicaion/json");
WriteLog.WriteLogToFile("add_news RESULT：" + result);
return result;
}
/// 预览接口(发送给指定的openId)
public string preview()
{
//说明：media_id值来自add_news接口返回值中的media_id值
var news = "{\"touser\":\"oTD55jj52uIhOObiwrxCjjrCl9g\",\"mpnews\":{\"media_id\":\"mF1J9boYDAQlYew4wbbxQKMBkLPa1WzwhGbDW7FVak\"},\"msgtype\":\"mpnews\"}";
var newsUrl = "https://api.weixin.qq.com/cgi-bin/message/mass/preview?access_token={0}";
newsUrl = string.Format(newsUrl, test_access_token);
var result = HttpHelper.Post(newsUrl, news, null, "applicaion/json");
WriteLog.WriteLogToFile("preview RESULT：" + result);
return result;
}
/// 根据标签进行群发【警告，谨慎调用】
public string sendall()
{
//说明：media_id值来自add_news接口返回值中的media_id值
var news = "{\"filter\":{\"is_to_all\":false,\"tag_id\":215},\"mpnews\":{\"media_id\":\"mF1J9boYDAQlYew4wbbxQKMBkLPa1WzwhGbDW7FVak\"},\"msgtype\":\"mpnews\",\"send_ignore_reprint\":1,\"clientmsgid\":\"20171107\"}";
var newsUrl = "https://api.weixin.qq.com/cgi-bin/message/mass/sendall?access_token={0}";
newsUrl = string.Format(newsUrl, test_access_token);
var result = HttpHelper.Post(newsUrl, news, null, "applicaion/json");
WriteLog.WriteLogToFile("sendall RESULT：" + result);
return result;
}
/// 获取永久素材的列表
public string batchget_material()
{
var news = "{\"type\":\"news\",\"offset\":0,\"count\":3}";
var newsUrl = "https://api.weixin.qq.com/cgi-bin/material/batchget_material?access_token={0}";
newsUrl = string.Format(newsUrl, test_access_token);
var result = HttpHelper.Post(newsUrl, news, null, "applicaion/json");
WriteLog.WriteLogToFile("batchget_material RESULT：" + result);
return result;
}
/// 获取永久素材详细
public string get_material()
{
var news = "{\"media_id\":\"mF1J9boYDAQlYew4wbvbxQKMBkLa1WzwhGbDW7FVak\"}";
var newsUrl = "https://api.weixin.qq.com/cgi-bin/material/get_material?access_token={0}";
newsUrl = string.Format(newsUrl, test_access_token);
var result = HttpHelper.Post(newsUrl, news, null, "applicaion/json");
WriteLog.WriteLogToFile("get_material RESULT：" + result);
return result;
}
/// 获取微信用户分组（用户标记）
public string gettags()
{
var newsUrl = "https://api.weixin.qq.com/cgi-bin/tags/get?access_token={0}";
newsUrl = string.Format(newsUrl, test_access_token);
var result = HttpHelper.Get(newsUrl);
WriteLog.WriteLogToFile("tags RESULT：" + result);
return result;
}
下面为：Common类文件
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Net;
using System.Text;
using System.Web;
namespace Common
{
public class HttpHelper
{
/// 发起GET请求
public static string Get(string url)
{
var webReq = (HttpWebRequest)WebRequest.Create(new Uri(url));
webReq.KeepAlive = false;
webReq.Method = "GET";
webReq.Timeout = 20000;
webReq.ProtocolVersion = HttpVersion.Version11;
webReq.ContentType = "application/x-www-form-urlencoded";
var response = (HttpWebResponse)webReq.GetResponse();
var readStream = new StreamReader(response.GetResponseStream(), Encoding.UTF8);
Char[] read = new Char[256];
var count = readStream.Read(read, 0, 256);
var result = string.Empty;
while (count > 0)
{
result += new String(read, 0, count);
count = readStream.Read(read, 0, 256);
}
response.Close();
readStream.Close();
return result;
}
/// 发起POST请求
public static string Post(string url, string postData, Dictionary headers = null, string contentType = null)
{
var webReq = (HttpWebRequest)WebRequest.Create(new Uri(url));
Encoding encode = System.Text.Encoding.GetEncoding("utf-8");
byte[] bytes = encode.GetBytes(postData);
webReq.KeepAlive = false;
webReq.Method = "POST";
webReq.Timeout = 20000;
webReq.ProtocolVersion = HttpVersion.Version11;
if (contentType == null)
webReq.ContentType = "application/x-www-form-urlencoded";
else
webReq.ContentType = contentType;
webReq.ContentLength = bytes.Length;
webReq.UserAgent = "Mozilla/5.0";
if (headers != null)
{
foreach (var header in headers)
webReq.Headers.Add(header.Key, header.Value);
}
Stream outStream = webReq.GetRequestStream();
outStream.Write(bytes, 0, bytes.Length);
outStream.Close();
var response = (HttpWebResponse)webReq.GetResponse();
var readStream = new StreamReader(response.GetResponseStream(), Encoding.UTF8);
Char[] read = new Char[256];
var count = readStream.Read(read, 0, 256);
var result = string.Empty;
while (count > 0)
{
result += new String(read, 0, count);
count = readStream.Read(read, 0, 256);
}
response.Close();
readStream.Close();
return result;
}
/// 获取Post值
public static string GetPostValue(HttpContext context)
{
System.IO.Stream s = context.Request.InputStream;
int count = 0;
byte[] buffer = new byte[s.Length];
StringBuilder builder = new StringBuilder();
while ((count = s.Read(buffer, 0, buffer.Length)) > 0)
{
builder.Append(Encoding.UTF8.GetString(buffer, 0, count));
}
s.Flush();
s.Close();
return builder.ToString();
}
}
}
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