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WeChatHelper.cs
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using Blog.Core.Model.ViewModels;
using System.Collections.Generic;
using System.IO;
using System.Net.Http;
using System.Threading.Tasks;
namespace Blog.Core.Common.Helper
{
/// <summary>
/// 微信公众号帮助类
/// </summary>
public static class WeChatHelper
{
/// <summary>
/// 新增素材/上传多媒体文件(临时)
/// http://mp.weixin.qq.com/wiki/5/963fc70b80dc75483a271298a76a8d59.html
/// 1.上传的媒体文件限制：
///图片（image) : 1MB，支持JPG格式
///语音（voice）：1MB，播放长度不超过60s，支持MP4格式
///视频（video）：10MB，支持MP4格式
///缩略图（thumb)：64KB，支持JPG格式
///2.媒体文件在后台保存时间为3天，即3天后media_id失效
/// </summary>
/// <param name="access_token"></param>
/// <param name="type">媒体文件类型，分别有图片（image）、语音（voice）、视频（video）和缩略图（thumb）</param>
/// <param name="fileName">文件名</param>
/// <param name="inputStream">文件输入流</param>
/// <returns>media_id</returns>
public async static Task<WeChatApiDto> UploadMediaTemp(string token, string type, string fileName, Stream inputStream)
{
var url = $"http://file.api.weixin.qq.com/cgi-bin/media/upload?access_token={token}&type={type}";
using var client = new HttpClient();
using HttpContent content = new StreamContent(inputStream);
var httpResponse = await client.PostAsync(url, content);
var txt = await httpResponse.Content.ReadAsStringAsync();
var data = JsonHelper.ParseFormByJson<WeChatApiDto>(txt);
return data;
}
/// <summary>
/// 新增素材/上传多媒体文件(永久)
/// http://mp.weixin.qq.com/wiki/5/963fc70b80dc75483a271298a76a8d59.html
/// 1.上传的媒体文件限制：
///图片（image) : 1MB，支持JPG格式
///语音（voice）：1MB，播放长度不超过60s，支持MP4格式
///视频（video）：10MB，支持MP4格式
///缩略图（thumb)：64KB，支持JPG格式
/// </summary>
/// <param name="access_token"></param>
/// <param name="type">媒体文件类型，分别有图片（image）、语音（voice）、视频（video）和缩略图（thumb）</param>
/// <param name="fileName">文件名</param>
/// <param name="inputStream">文件输入流</param>
/// <returns>media_id</returns>
public async static Task<WeChatApiDto> UploadMedia(string token, string type, string fileName, Stream inputStream)
{
var url = $"https://api.weixin.qq.com/cgi-bin/material/add_material?access_token={token}&type={type}";
using var client = new HttpClient();
using HttpContent content = new StreamContent(inputStream);
var httpResponse = await client.PostAsync(url, content);
var txt = await httpResponse.Content.ReadAsStringAsync();
var data = JsonHelper.ParseFormByJson<WeChatApiDto>(txt);
return data;
}
/// <summary>
/// 通过绑定票据获取公众号关注二维码
/// </summary>
/// <param name="ticket"></param>
/// <returns></returns>
public async static Task<WeChatApiDto> GetQRCodePicture(string ticket)
{
string url = $"https://mp.weixin.qq.com/cgi-bin/showqrcode?ticket={ticket}";
var txt = await HttpHelper.GetAsync(url);
var data = JsonHelper.ParseFormByJson<WeChatApiDto>(txt);
return data;
}
/// <summary>
/// 获取临时关注二维码
/// </summary>
/// <param name="token">The token.</param>
/// <param name="postData">The post data.</param>
public async static Task<WeChatApiDto> GetQRCode(string token, string jsonData)
{
string url = $"https://api.weixin.qq.com/cgi-bin/qrcode/create?access_token={token}";
var txt = await HttpHelper.PostAsync(url, jsonData);
var data = JsonHelper.ParseFormByJson<WeChatApiDto>(txt);
return data;
}
/// <summary>
/// 获取关注的公众号用户openid(获取所有OpenID)
/// </summary>
/// <param name="token">The token.</param>
/// <param name="isGetAll">是否递归获取所有用户的</param>
/// <returns>List<System.String>.</returns>
public async static Task<WeChatApiDto> GetUsers(string token,bool isGetAll=false)
{
string url = $"https://api.weixin.qq.com/cgi-bin/user/get?access_token={token}";
var txt = await HttpHelper.GetAsync(url);
var data = JsonHelper.ParseFormByJson<WeChatApiDto>(txt);
if (data.data == null) data.data = new WeChatOpenIDsDto();
if(!string.IsNullOrEmpty(data.next_openid))
await GetUsers(token, data.next_openid, data.data.openid);
return data;
}
/// <summary>
/// 获取关注的公众号用户openid(递归)
/// </summary>
/// <param name="token">The token.</param>
/// <param name="nextUser">The next user.</param>
/// <param name="users">The users.</param>
public async static Task GetUsers(string token, string nextUser, List<string> users)
{
string url = $"https://api.weixin.qq.com/cgi-bin/user/get?access_token={token}&next_openid={nextUser}";
var txt = await HttpHelper.GetAsync(url);
var data = JsonHelper.ParseFormByJson<WeChatApiDto>(txt);
if (data.data != null && data.data.openid != null)
users.AddRange(data.data.openid);
if (!string.IsNullOrEmpty(data.next_openid))
await GetUsers(token, data.next_openid, data.data.openid);
}
/// <summary>
/// 获取菜单内容(获取菜单有menu外层,提交菜单不需要menu外层)
/// </summary>
/// <param name="token">The token.</param>
/// <returns>System.String.</returns>
public async static Task<WeChatApiDto> GetMenu(string token)
{
string url = $"https://api.weixin.qq.com/cgi-bin/menu/get?access_token={token}";
var txt = await HttpHelper.GetAsync(url);
var data = JsonHelper.ParseFormByJson<WeChatApiDto>(txt);
return data;
}
/// <summary>
/// 转换微信菜单按钮为事件的按钮
/// </summary>
public static void ConverMenuButtonForEvent(WeChatApiDto weChatApiDto)
{
foreach (var item in weChatApiDto?.menu?.button)
{
if (item.key.ObjToString().Equals("event") || item.type.ObjToString().Equals("event"))
{
var temp = item.type;
item.type = item.key;
item.key = temp;
}
if (item.sub_button != null)
{
ConverMenuButtonForEvent(item.sub_button);
}
}
}
/// <summary>
/// 转换微信菜单按钮为事件的按钮
/// </summary>
public static void ConverMenuButtonForEvent(WeChatMenuButtonDto[] weChatMenuButtonDto)
{
foreach (var item in weChatMenuButtonDto)
{
if (item.key.ObjToString().Equals("event") || item.type.ObjToString().Equals("event"))
{
var temp = item.type;
item.type = item.key;
item.key = temp;
}
if (item.sub_button != null)
{
ConverMenuButtonForEvent(item.sub_button);
}
}
}
/// <summary>
/// 设置菜单内容(设置菜单不需要menu外层)
/// </summary>
/// <param name="token">The token.</param>
/// <param name="jsonMenu">The json menu.</param>
/// <returns>System.String.</returns>
public async static Task<WeChatApiDto> SetMenu(string token, string jsonMenu)
{
string url = $"https://api.weixin.qq.com/cgi-bin/menu/create?access_token={token}";
var txt = await HttpHelper.PostAsync(url, jsonMenu);
var data = JsonHelper.ParseFormByJson<WeChatApiDto>(txt);
return data;
}
/// <summary>
/// 删除菜单内容
/// </summary>
/// <param name="token">The token.</param>
/// <returns><c>true</c> if XXXX, <c>false</c> otherwise.</returns>
public async static Task<WeChatApiDto> DeleteMenu(string token)
{
string url = $"https://api.weixin.qq.com/cgi-bin/menu/delete?access_token={token}";
var txt = await HttpHelper.GetAsync(url);
var data = JsonHelper.ParseFormByJson<WeChatApiDto>(txt);
return data;
}
/// <summary>
/// 发送普通消息(群发所有人,单人发送也可以)
/// </summary>
/// <param name="token">The token.</param>
/// <param name="jsonData">The json data.</param>
/// <returns>System.String.</returns>
public async static Task<WeChatApiDto> SendMsgToAll(string token, string jsonData)
{
string url = $"https://api.weixin.qq.com/cgi-bin/message/mass/sendall?access_token={token}";
var txt = await HttpHelper.PostAsync(url, jsonData);
var data = JsonHelper.ParseFormByJson<WeChatApiDto>(txt);
return data;
}
/// <summary>
/// 发送普通消息(单个人-24小时内用户跟微信公众号有互动才会推送成功)
/// </summary>
/// <param name="token">The token.</param>
/// <param name="jsonData">The json data.</param>
/// <returns>System.String.</returns>
public async static Task<WeChatApiDto> SendMsg(string token, string jsonData)
{
string url = $"https://api.weixin.qq.com/cgi-bin/message/custom/send?access_token={token}";
var txt = await HttpHelper.PostAsync(url, jsonData);
var data = JsonHelper.ParseFormByJson<WeChatApiDto>(txt);
return data;
}
/// <summary>
/// 发送卡片消息模板
/// </summary>
/// <param name="token">The token.</param>
/// <param name="jsonData">The json data.</param>
/// <returns><c>true</c> if XXXX, <c>false</c> otherwise.</returns>
public async static Task<WeChatApiDto> SendCardMsg(string token, string jsonData)
{
string url = $"https://api.weixin.qq.com/cgi-bin/message/template/send?access_token={token}";
var txt = await HttpHelper.PostAsync(url, jsonData);
var data = JsonHelper.ParseFormByJson<WeChatApiDto>(txt);
return data;
}
/// <summary>
/// 拉取普通access_token
/// </summary>
/// <param name="appid">appid</param>
/// <param name="appsecret">appsecret</param>
/// <returns>返回token</returns>
public async static Task<WeChatApiDto> GetToken(string appid, string appsecret)
{
string url = $"https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid={appid}&secret={appsecret}";
var txt = await HttpHelper.GetAsync(url);
var data = JsonHelper.ParseFormByJson<WeChatApiDto>(txt);
return data;
}
/// <summary>
/// 获取微信服务器IP列表
/// </summary>
/// <param name="token">The token.</param>
/// <returns>System.String.</returns>
public async static Task<WeChatApiDto> GetWechatIP(string token)
{
string url = $"https://api.weixin.qq.com/cgi-bin/getcallbackip?access_token={token}";
var txt = await HttpHelper.GetAsync(url);
var data = JsonHelper.ParseFormByJson<WeChatApiDto>(txt);
return data;
}
/// <summary>
/// openid获取微信用户信息
/// </summary>
/// <param name="token">The token.</param>
/// <param name="openid">The openid.</param>
/// <returns>Dictionary<System.String, System.Object>.</returns>
public async static Task<WeChatApiDto> GetUserInfo(string token,string openid)
{
string url = $"https://api.weixin.qq.com/cgi-bin/user/info?access_token={token}&openid={openid}&lang=zh_CN";
var txt = await HttpHelper.GetAsync(url);
var data = JsonHelper.ParseFormByJson<WeChatApiDto>(txt);
return data;
}
/// <summary>
/// openid获取微信用户信息
/// </summary>
/// <param name="token">The openid.</param>
/// <param name="openid">The access token.</param>
public async static Task<WeChatApiDto> GetUserInfoTwo(string token,string openid)
{
string url = $"https://api.weixin.qq.com/sns/userinfo?access_token={token}&openid={openid}&lang=zh_CN";
var txt = await HttpHelper.GetAsync(url);
var data = JsonHelper.ParseFormByJson<WeChatApiDto>(txt);
return data;
}
/// <summary>
/// code换取用户openID
/// </summary>
/// <param name="appid">The appid.</param>
/// <param name="appsecret">The appsecret.</param>
/// <param name="code">The code.</param>
/// <returns>Dictionary<System.String, System.Object>.</returns>
public async static Task<WeChatApiDto> GetOpenidByCode(string appid, string appsecret, string code)
{
string url = $"https://api.weixin.qq.com/sns/oauth2/access_token?appid={appid}&secret={appsecret}&code={code}&grant_type=authorization_code";
var txt = await HttpHelper.GetAsync(url);
var data = JsonHelper.ParseFormByJson<WeChatApiDto>(txt);
return data;
}
/// <summary>
/// 获取模板消息
/// </summary>
/// <param name="token">The token.</param>
/// <returns>Dictionary<System.String, System.Object>.</returns>
public async static Task<WeChatApiDto> GetTemplate(string token)
{
string url = $"https://api.weixin.qq.com/cgi-bin/template/get_all_private_template?access_token={token}";
var txt = await HttpHelper.GetAsync(url);
var data = JsonHelper.ParseFormByJson<WeChatApiDto>(txt);
return data;
}
}
}