? ??? WeChat?? ??? WeChat ?? ???? ?? ?????

1. ?? ??? ??? ??(??????)? ??? ?? ?? ???? ???? ??? ???? ??? ??? ?????. ?? ??: http://mp.weixin.qq.com/wiki/home/index.html

??, ???? appid ? appsecret? ??? ?? ????? ????? ???? ?? ?? ?????? ???? access_token? ?????.

2. ?? ??? ?? ?? ? ?? ??? ??? ?? ??? ??????? ?? ??? ?? ???? ?????. ??

　(1) ?? ??, http ??

///?<summary>
????????///??????http??get/post?公用方法
????????///?</summary>
????????///?<param name="requestUrl">請求鏈接</param>
????????///?<param name="requestJsonParams">請求參數(shù)值（如果是get方式此處為“”值,默認為?""）</param>
????????///?<param name="requestMethod">請求方式??post?or?get</param>
????????///?<returns></returns>
????????public?static?string?Request(this?string?requestUrl,?string?requestMethod,?string?requestJsonParams?=?"")
????????{
????????????string?returnText?=?"";
????????????StreamReader?streamReader?=?null;
????????????HttpWebRequest?request?=?null;
????????????HttpWebResponse?response?=?null;

????????????Encoding?encoding?=?Encoding.UTF8;
????????????request?=?(HttpWebRequest)WebRequest.Create(requestUrl);
????????????request.Method?=?requestMethod;
????????????if?(!string.IsNullOrEmpty(requestJsonParams)?&&?requestMethod.ToLower()?==?"post")
????????????{
????????????????byte[]?buffer?=?encoding.GetBytes(requestJsonParams);
????????????????request.ContentLength?=?buffer.Length;
????????????????request.GetRequestStream().Write(buffer,?0,?buffer.Length);
????????????}

????????????try
????????????{
????????????????response?=?(HttpWebResponse)request.GetResponse();
????????????????using?(streamReader?=?new?StreamReader(response.GetResponseStream(),?System.Text.Encoding.GetEncoding("gb2312")))//utf-8
????????????????{
????????????????????returnText?=?streamReader.ReadToEnd();
????????????????}
????????????}
????????????catch?(Exception?ex)
????????????{
????????????????returnText?=?ex.Message;
????????????}

????????????return?returnText;
????????}

(2) ????? ??:

///?<summary>
????????///?????發(fā)送微信信息(單用戶發(fā)送)
????????///?</summary>
????????///?<param name="access_token">授權碼（微信token）</param>
????????///?<param name="messageInfo">發(fā)送信息模型</param>
????????///?<returns></returns>
????????public?static?string?SendSingleMessage(WeChatParamEntity?messageInfo,?string?access_token)
????????{
????????????messageInfo.MsgType?=?string.IsNullOrEmpty(messageInfo.MsgType)???"text"?:?messageInfo.MsgType;
????????????string?jsonDataParams?=?messageInfo?==?null???""?:?JsonConvert.SerializeObject(new
????????????{
????????????????touser?=?messageInfo.ToUser,
????????????????msgtype?=?messageInfo.MsgType,
????????????????text?=?new?{?content?=?messageInfo.Text?}
????????????});
????????????string?requestUrl?=?string.Format(Consts.URL_POSTSINGLETEXTMESSAGE,?access_token);
????????????return?requestUrl.Request("POST",?jsonDataParams);
????????}
????????///?<summary>
????????///?????發(fā)送微信信息（多用戶批量發(fā)送）
????????///?</summary>
????????///?<param name="access_token">授權碼（微信token）</param>
????????///?<param name="messageInfo">發(fā)送信息模型</param>
????????///?<returns></returns>
????????public?static?string?SendMessages(WeChatParamsEntity?messageInfo,?string?access_token)
????????{
????????????messageInfo.MsgType?=?string.IsNullOrEmpty(messageInfo.MsgType)???"text"?:?messageInfo.MsgType;
????????????string?jsonDataParams?=?messageInfo?==?null???""?:?JsonConvert.SerializeObject(new
????????????{
????????????????touser?=?messageInfo.ToUser,
????????????????msgtype?=?messageInfo.MsgType,
????????????????text?=?new?{?content?=?messageInfo.Text?}
????????????});
????????????string?requestUrl?=?string.Format(Consts.URL_POSTTEXTMESSAGES,?access_token);
????????????return?requestUrl.Request("POST",?jsonDataParams);
????????}

(3) ? ?? ???? ??:

///?<summary>
????///?????微信?發(fā)送信息?參數(shù)實體模型
????///?</summary>
????public?class?WeChatParamEntity
????{
????????///?<summary>
????????///?????普通用戶openid
????????///?</summary>
????????public?string?ToUser?{?get;?set;?}
????????///?<summary>
????????///?????傳輸?shù)奈募愋停╰ext,image,?and?so?on）
????????///?</summary>
????????public?string?MsgType?{?get;?set;?}?=?"text";
????????///?<summary>
????????///?????傳輸文本內容
????????///?</summary>
????????public?string?Text?{?get;?set;?}

????}

????///?<summary>
????///?????微信?發(fā)送信息?參數(shù)實體模型
????///?</summary>
????public?class?WeChatParamsEntity
????{
????????///?<summary>
????????///?????普通用戶openid
????????///?</summary>
????????public?string[]?ToUser?{?get;?set;?}
????????///?<summary>
????????///?????傳輸?shù)奈募愋停╰ext,image,?and?so?on）
????????///?</summary>
????????public?string?MsgType?{?get;?set;?}?=?"text";
????????///?<summary>
????????///?????傳輸文本內容
????????///?</summary>
????????public?string?Text?{?get;?set;?}

????}

(4) web.config? ??

<!--微信接口-->

????<add key="appid" value="wx123456789021"/>
????<add key="appSecret" value="adasdsadasdasdsadasdsaqweqw"/>
????<add key="getAccessTokenUrl" value="https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&amp;appid={0}&amp;secret={1}"/>
????<!--單用戶信息發(fā)送-->
????<add key="postSingleTextMessageUrl" value="https://api.weixin.qq.com/cgi-bin/message/custom/send?access_token={0}"/>
????<!--多用戶批量發(fā)送-->
????<add key="postTextMessagesUrl" value="https://api.weixin.qq.com/cgi-bin/message/mass/send?access_token={0}"/>
????<!--\微信接口-->

3. ?????? ???? ?? ??? openID? touser? ??? ? ?? ??? ?????. ?? ?? ?????. >

??? ??? appid ? appsecret(?, ?? 2??) ?? ?? ??? ??? QR ??? ????. ?? WeChat?? ???? ???? openID? ?? ? ????. ??? ???? ?????

???? ????? ????

??? ??:

??? ??? json ???? ?? ?? 3: ??? ?????. 7200? ?? ?? ??? ??? ???? ?? ???? ???? ?? ?????. ??? ?? ?? ?? ?? 2000???.

?? ????:

????

? ??? WeChat ?? WeChat?? ??? ???? ?? ?????. ??? ??? PHP ??? ????? ?? ?? ??? ?????!