【移動應用開發(fā)技術】C#如何做微信開發(fā)

【移動應用開發(fā)技術】C#如何做微信開發(fā)

///

<summary>

///

驗證微信簽名

///

</summary>

///

<returns></returns>

///

*

將token、timestamp、nonce三個參數進行字典序排序

///

*

將三個參數字符串拼接成一個字符串進行sha1加密

///

*

開發(fā)者獲得加密后的字符串可與signature對比，標識該請求來源于微信。

private

bool

CheckSignature()

{

var

token

=

"token";

var

signature

=

HttpContext.Current.Request.QueryString["signature"];

var

timestamp

=

HttpContext.Current.Request.QueryString["timestamp"];

var

nonce

=

HttpContext.Current.Request.QueryString["nonce"];

var

echostr

=

HttpContext.Current.Request.QueryString["echostr"];

string[]

ArrTmp

=

{

token,

timestamp,

nonce

};

Array.Sort(ArrTmp);

//字典排序

var

tmpStr

=

string.Join("",

ArrTmp);

tmpStr

=

FormsAuthentication.HashPasswordForStoringInConfigFile(tmpStr,

"SHA1");//加密方式

if

(tmpStr.ToLower()

==

signature)

{

return

true;

}

return

false;

}/upload/information/20201208/260/10308.jpg

#region

接收消息

///

<summary>

///

接收微信發(fā)送的XML消息并且解析

///

</summary>

private

void

ReceiveXml()

{

var

requestStream

=

HttpContext.Current.Request.InputStream;

var

requestByte

=

new

byte[requestStream.Length];

requestStream.Read(requestByte,

0,

(int)requestStream.Length);

var

requestStr

=

Encoding.UTF8.GetString(requestByte);

if

(!string.IsNullOrEmpty(requestStr))

{

//封裝請求類

var

requestDocXml

=

new

XmlDocument();

requestDocXml.LoadXml(requestStr);

var

rootElement

=

requestDocXml.DocumentElement;

if

(rootElement

==

null)

return;

var

wxXmlModel

=

new

WxXmlModel

{

ToUserName

=

rootElement.SelectSingleNode("ToUserName").InnerText,

FromUserName

=

rootElement.SelectSingleNode("FromUserName").InnerText,

CreateTime

=

rootElement.SelectSingleNode("CreateTime").InnerText,

MsgType

=

rootElement.SelectSingleNode("MsgType").InnerText

};

switch

(wxXmlModel.MsgType)

{

case

"text"://文本

wxXmlModel.Content

=

rootElement.SelectSingleNode("Content").InnerText;

break;

case

"image"://圖片

wxXmlModel.PicUrl

=

rootElement.SelectSingleNode("PicUrl").InnerText;

break;

case

"event"://事件

wxXmlModel.Event

=

rootElement.SelectSingleNode("Event").InnerText;

if

(wxXmlModel.Event

!=

"TEMPLATESENDJOBFINISH")//關注類型

{

wxXmlModel.EventKey

=

rootElement.SelectSingleNode("EventKey").InnerText;

}

break;

default:

break;

}

ResponseXML(wxXmlModel);//回復消息

}

}

#endregion

#region

回復消息

private

void

ResponseXML(WxXmlModel

WxXmlModel)

{

var

QrCodeApi

=

new

QrCodeApi();

var

XML

=

"";

switch

(WxXmlModel.MsgType)

{

case

"text"://文本回復

XML

=

ResponseMessage.GetText(WxXmlModel.FromUserName,

WxXmlModel.ToUserName,

WxXmlModel.Content);

break;

case

"event":

switch

(WxXmlModel.Event)

{

case

"subscribe":

if

(string.IsNullOrEmpty(WxXmlModel.EventKey))

{

XML

=

ResponseMessage.GetText(WxXmlModel.FromUserName,

WxXmlModel.ToUserName,

"關注成功");

}

else

{

XML

=

ResponseMessage.SubScanQrcode(WxXmlModel.FromUserName,

WxXmlModel.ToUserName,

WxXmlModel.EventKey);//掃描帶參數二維碼先關注后推送事件

}

break;

case

"SCAN":

XML

=

ResponseMessage.ScanQrcode(WxXmlModel.FromUserName,

WxXmlModel.ToUserName,

WxXmlModel.EventKey);//掃描帶參數二維碼已關注

直接推送事件

break;

}

break;

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