【移动应用开发技术】C#中.net微信开发的示例分析

【移动应用开发技术】C#中.net微信开发的示例分析

string[]

ArrTmp

=

{

"token",

Request["timestamp"],

Request["nonce"]

};

Array.Sort(ArrTmp);

//字典排序string

tmpStr

=

string.Join("",

ArrTmp);

tmpStr

=

FormsAuthentication.HashPasswordForStoringInConfigFile(tmpStr,

"SHA1");

tmpStr

=

tmpStr.ToLower();if

(tmpStr

!=

Request["signature"].ToLower())

{

Response.Write(Request["echostr"]);

}/upload/information/20201208/260/14946.jpg/upload/information/20201208/260/14947.jpg/upload/information/20201208/260/14948.jpg/upload/information/20201208/260/14949.jpgnamespace

ElegantWM.WebUI.Areas.WeiXin.Controllers

{

///

<summary>

///

微信公共服务类

///

</summary>

public

class

RobotController

:

BaseController

{

///

<summary>

///

接收微信请求接口，认证的接口

///

</summary>

///

<returns></returns>

public

ContentResult

Index()

{

string

result

=

AnalyzeXmlFromWeiXin();

return

Content(result);

}

///

<summary>

///

分析微信POST到本服务器的XML数据

///

</summary>

///

<param

name="xmlStream"></param>

///

<returns></returns>

private

string

AnalyzeXmlFromWeiXin()

{

StreamReader

reader

=

new

StreamReader(Request.InputStream);

string

xml

=

reader.ReadToEnd();

//获取MsgType

log.Info(xml);

string

msgType

=

XmlHelper.ReadXmlStr(xml,

"/xml/MsgType",

"");

switch

(msgType)

{

case

"event"://如果是事件

return

OnAttention(xml);

case

"text"://如果是文本消息

return

OnReceiveTextMsg(xml);

default:

return

"不被支持的关键字！";

}

}

///

<summary>

///

响应文本消息

///

</summary>

///

<param

name="xml"></param>

///

<returns></returns>

private

string

OnReceiveTextMsg(string

xml)

{

WxTextMsg

msg

=

XmlEntityExchange<WxTextMsg>.ConvertXml2Entity(xml);

//返回消息，互换收发用户

string

toUser

=

msg.FromUserName;

msg.FromUserName

=

msg.ToUserName;

msg.ToUserName

=

toUser;

switch

(msg.Content.Trim())

{

case

"?":

msg.Content

=

HelpDocument();

break;

case

"？":

msg.Content

=

HelpDocument();

break;

case

"1":

msg.Content

=

DateTime.Now.ToString("yyyy-MM-dd

HH:mm:ss");

break;

case

"2":

msg.Content

=

Tools.HttpCrossDomain.Get("/data/sk/101210301.html");

break;

case

"3":

msg.Content

=

"来吧，想唠点什么呢？

[偷笑]";

break;

case

"你是男的女的":

msg.Content

=

"姑娘一枚

[偷笑]";

break;

default:

msg.Content

=

"抱歉哦，我不认识您输入的命令。/害羞

/:,@-D";

break;

}

return

XmlEntityExchange<WxTextMsg>.ConvertEntity2Xml(msg);

}

///

<summary>

///

获取帮助菜单文档

///

</summary>

///

<returns></returns>

private

string

HelpDocument()

{

StringBuilder

sb

=

new

StringBuilder();

sb.Append("HI，请回复数字，选择服务").Append("\n\n");

sb.Append("1.

当前时间").Append("\n");

sb.Append("2.

天气信息").Append("\n");

sb.Append("3.

聊天唠嗑").Append("\n");

sb.Append("n.

更多服务开发中...").Append("\n");

sb.Append("回复【?】显示此帮助菜单");

return

sb.ToString();

}

///

<summary>

///

当用户关注微信帐号的时候触发，事件响应

///

</summary>

///

<param

name="xml"></param>

private

string

OnAttention(string

xml)

{

WxEvent

wxevent

=

XmlEntityExchange<WxEvent>.ConvertXml2Entity(xml);

WxTextMsg

msg

=

new

WxTextMsg();

msg.ToUserName

=

wxevent.FromUserName;

msg.FromUserName

=

wxevent.ToUserName;

msg.CreateTime

=

DateTime.Now.Ticks;

msg.MsgType

=

"text";

//如果是关注，则发送欢迎消息

switch

(wxevent.Event)

{

case

"subscribe":

msg.Content

=

System.Configuration.ConfigurationManager.AppSettings["DefaultWxMsg"];

break;

case

"CLICK":

msg.Content

=

"您单击的是："

+

wxevent.EventKey;

break;

default:

msg.Content

=

"暂未处理的事件：Event"

+

wxevent.Event

+

";EventKey:"

+

wxevent.EventKey;

break;

}

string

rst

=

XmlEntityExchange<WxTextMsg>.ConvertEntity2Xml(msg);

log.Info(rst);

return

rst;

}

}

}//实体

public

class

WxEvent

{

///

<summary>

///

接收人

///

</summary>

public

string

ToUserName

{

get;

set;

}

///

<summary>

///

发送人

///

</summary>

public

string

FromUserName

{

get;

set;

}

///

<summary>

///

时间

///

</summary>

public

string

CreateTime

{

get;

set;

}

///

<summary>

///

类型

///

</summary>

public

string

MsgType

{

get;

set;

}

///

<summary>

///

事件

///

</summary>

public

string

Event

{

get;

set;

}

public

string

EventKey

{

get;

set;

}

}

public

class

WxTextMsg

{

///

<summary>

///

接收人

///

</summary>

public

string

ToUserName

{

get;

set;

}

///

<summary>

///

发送人

///

</summary>

public

string

FromUserName

{

get;

set;

}

///

<summary>

///

时间

///

</summary>

public

long

CreateTime

{

get;

set;

}

///

<summary>

///

类型

///

</summary>

public

string

MsgType

{

get;

set;

}

///

<summary>

///

内容

///

</summary>

public

string

Content

{

get;

set;

}

}//XML和实体对象间的相互转化

namespace

ElegantWM.WebUI.Areas.WeiXin

{

public

class

XmlEntityExchange<T>

where

T

:

new()

{

///

<summary>

///

将XML转换为对象

///

</summary>

///

<param

name="xml"></param>

///

<returns></returns>

public

static

T

ConvertXml2Entity(string

xml)

{

XmlDocument

doc

=

new

XmlDocument();

PropertyInfo[]

propinfos

=

null;

doc.LoadXml(xml);

XmlNodeList

nodelist

=

doc.SelectNodes("/xml");

T

entity

=

new

T();

foreach

(XmlNode

node

in

nodelist)

{

//初始化propertyinfo

if

(propinfos

==

null)

{

Type

objtype

=

entity.GetType();

propinfos

=

objtype.GetProperties();

}

//填充entity类的属性

foreach

(PropertyInfo

pi

in

propinfos)

{

XmlNode

cnode

=

node.SelectSingleNode(pi.Name);

pi.SetValue(entity,

Convert.ChangeType(cnode.InnerText,

pi.PropertyType),

null);

}

}

return

entity;

}

///

<summary>

///

构造微信消息

///

</summary>

///

<param

name="t">对象实体</param>

///

<returns>返回微信消息xml格式</returns>

public

static

string

ConvertEntity2Xml(T

t)

{

StringBuilder

builder

=

new

StringBuilder();

builder.Append("<xml>");

Type

objtype

=

t.GetType();

//填充entity类的属性

foreach

(PropertyInfo

pi

in

objtype.GetProperties())

{

object

obj

=

pi.GetValue(t);

string

value

=

obj

==

null

?

""

:

obj.ToString();

if

(pi.PropertyType.Name.ToLower()

==

"int64")

builder.Append("<"

+

pi.Name

+

">"

+

value

+

"</"

+

pi.Name

+

">");

else

builder.Append("<"

+

pi.Name

+

"><![CDATA["

+

value

+

"]]></"

+

pi.Name

+

">");

}

builder.Append("</xml>");

return

builder.ToString();

}

}

}/upload/information/20201208/260/14950.jpg/*

*

*

Copyright

©

2013

CCT

All

Rights

Reserved

*

作者：JackChain

*

时间：2013/8/23

18:21:23

*

功能：跨域访问

*

版本：V1.0

*

*

修改人：

*

修改点：

*

*/namespace

ElegantWM.Tools

{

public

class

HttpCrossDomain

{

///

<summary>

///

跨域访问

///

</summary>

///

<param

name="url"></param>

///

<param

name="param"></param>

///

<returns></returns>

public

static

string

Post(string

url,

string

param,

int

time

=

60000)

{

Uri

address

=

new

Uri(url);

HttpWebRequest

request

=

WebRequest.Create(address)

as

HttpWebRequest;

request.Method

=

"POST";

request.ContentType

=

"application/json;charset=utf-8";

//"application/x-www-form-urlencoded";

request.Timeout

=

time;

byte[]

byteData

=

UTF8Encoding.UTF8.GetBytes(param

==

null

?

""

:

param);

request.ContentLength

=

byteData.Length;

using

(Stream

postStream

=

request.GetRequestStream())

{

postStream.Write(byteData,

0,

byteData.Length);

}

string

result

=

"";

using

(HttpWebResponse

response

=

request.GetResponse()

as

HttpWebResponse)

{

StreamReader

reader

=

new

StreamReader(response.GetResponseStream());

result

=

reader.ReadToEnd();

}

return

(result);

}

///

<summary>

///

跨域访问

///

</summary>

///

<param

name="url"></param>

///

<param

name="param"></param>

///

<returns></returns>

public

static

string

Get(string

url,

int

time

=

60000)

{

Uri

address

=

new

Uri(url);

HttpWebRequest

request

=

WebRequest.Create(address)

as

HttpWebRequest;

request.Method

=

"GET";

request.ContentType

=

"application/json;charset=utf-8";

//"application/x-www-form-urlencoded";

request.Timeout

=

time;

string

result

=

"";

using

(HttpWebResponse

response

=

request.GetResponse()

as

HttpWebResponse)

{

StreamReader

reader

=

new

StreamReader(response.GetResponseStream());

result

=

reader.ReadToEnd();

}

return

(result);

}

}

}public

class

CommonController

:

Controller

{

///

<summary>

///

获取微信凭证

///

</summary>

///

<returns></returns>

public

JsonResult

GetWxCredential()

{

string

url

=

"/cgi-bin/token?grant_type=client_credential&appid={0}&secret={1}";

url

=

string.Format(url,

ConfigurationManager.AppSettings["AppId"],

ConfigurationManager.AppSettings["AppSecret"]);

string

rst

=

HttpCrossDomain.Get(url);

if

(rst.Contains("access_token"))

{

string

tokenId=rst.Replace("{\"access_token\":\"",

"").Replace("\",\"expires_in\":7200}",

"");

CacheHelper.CacheInsertAddMinutes("