【移动应用开发技术】C#中怎么接收和返回文本消息

【移动应用开发技术】C#中怎么接收和返回文本消息

<xml>

<ToUserName><![CDATA[toUser]]></ToUserName>

<FromUserName><![CDATA[fromUser]]></FromUserName>

<CreateTime>1348831860</CreateTime>

<MsgType><![CDATA[text]]></MsgType>

<Content><![CDATA[this

is

a

test]]></Content>

<MsgId>1234567890123456</MsgId>

</xml>/upload/information/20201208/260/12872.jpg<xml>

<ToUserName><![CDATA[toUser]]></ToUserName>

<FromUserName><![CDATA[fromUser]]></FromUserName>

<CreateTime>12345678</CreateTime>

<MsgType><![CDATA[text]]></MsgType>

<Content><![CDATA[你好]]></Content>

</xml>/upload/information/20201208/260/12874.jpgif(IsPostBack)

{

//*********************************自动应答代码块*********************************

string

postString

=

string.Empty;

using

(Stream

stream

=

HttpContext.Current.Request.InputStream)

{

Byte[]

postBytes

=

new

Byte[stream.Length];

stream.Read(postBytes,

0,

(Int32)stream.Length);

//接收的消息为GBK格式

postString

=

Encoding.GetEncoding("GBK").GetString(postBytes);

string

responseContent

=

help.ReturnMessage(postString

);

//返回的消息为UTF-8格式

HttpContext.Current.Response.ContentEncoding

=

Encoding.UTF8;

HttpContext.Current.Response.Write(responseContent);

}

//********************************自动应答代码块end*******************************

}///

<summary>

///

统一全局返回消息处理方法

///

</summary>

///

<param

name="postStr"></param>

///

<returns></returns>

public

string

ReturnMessage(string

postStr)

{

string

responseContent

=

"";

XmlDocument

xmldoc

=

new

XmlDocument();

xmldoc.Load(new

System.IO.MemoryStream(System.Text.Encoding.GetEncoding("GB2312").GetBytes(postStr)));

XmlNode

MsgType

=

xmldoc.SelectSingleNode("/xml/MsgType");

if

(MsgType

!=

null)

{

switch

(MsgType.InnerText)

{

case

"event":

responseContent

=

EventHandle(xmldoc);//菜单事件处理

break;

case

"text":

responseContent

=

TextHandle(xmldoc);//文本消息处理

break;

default:

break;

}

}

return

responseContent;

}///

<summary>

///

接受文本消息并回复自定义消息

///

</summary>

///

<param

name="xmldoc"></param>

///

<returns></returns>

public

string

TextHandle(XmlDocument

xmldoc)

{

string

responseContent

=

"";

XmlNode

ToUserName

=

xmldoc.SelectSingleNode("/xml/ToUserName");

XmlNode

FromUserName

=

xmldoc.SelectSingleNode("/xml/FromUserName");

XmlNode

Content

=

xmldoc.SelectSingleNode("/xml/Content");

if

(Content

!=

null)

{

if

(Content.InnerText

==

"指定回复消息的自定义文本")

{

responseContent

=

string.Format(XMLTemplate.Message_Text,

FromU