.net微信服务号发送红包
本文实例为大家分享了.net微信红包发送代码，供大家参考，具体内容如下
注:需要开通微信支付的服务号!
//跳转微信登录页面
publicActionResultIndex()
{
ViewBag.url="https://open.weixin.qq.com/connect/oauth2/authorize?appid="+{服务号appid}+"&redirect_uri=http%3A%2F%2F"+{微信重定向域名(填写程序域名,例如:www.xxxx.com)}+"%2F"+{程序控制器名,例如:Home}+"%2F"+{程序Action名,例如:RedirectWeChat}+"&response_type=code&scope=snsapi_userinfo&state=STATE#wechat_redirect";
returnView();
}
//获取accesstoken(访问微信接口需要)
publicstaticstringaccesstoken(stringWeChatWxAppId,stringWeChatWxAppSecret)
{
stringstrJson=HttpRequestUtil.RequestUrl(string.Format("https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid={0}&secret={1}",WeChatWxAppId,WeChatWxAppSecret));
if(strJson.IndexOf("errcode")==-1)
{
returnGetJsonValue(strJson,"access_token");
}
else
{
return"";
}
}
//解析json
publicstaticstringGetJsonValue(stringjsonStr,stringkey)
{
stringresult=string.Empty;
if(!string.IsNullOrEmpty(jsonStr))
{
key="\""+key.Trim('"')+"\"";
intindex=jsonStr.IndexOf(key)+key.Length+1;
if(index>key.Length+1)
{
//先截逗号，若是最后一个，截“｝”号，取最小值
intend=jsonStr.IndexOf(',',index);
if(end==-1)
{
end=jsonStr.IndexOf('}',index);
}
result=jsonStr.Substring(index,end-index);
result=result.Trim(newchar[]{'"','','\''});//过滤引号或空格
}
}
returnresult;
}
//请求url
publicstaticstringRequestUrl(stringurl,stringmethod="post")
{
//设置参数
HttpWebRequestrequest=WebRequest.Create(url)asHttpWebRequest;
CookieContainercookieContainer=newCookieContainer();
request.CookieContainer=cookieContainer;
request.AllowAutoRedirect=true;
request.Method=method;
request.ContentType="text/html";
request.Headers.Add("charset","utf-8");
//发送请求并获取相应回应数据
HttpWebResponseresponse=request.GetResponse()asHttpWebResponse;
//直到request.GetResponse()程序才开始向目标网页发送Post请求
StreamresponseStream=response.GetResponseStream();
StreamReadersr=newStreamReader(responseStream,Encoding.UTF8);
//返回结果网页（html）代码
stringcontent=sr.ReadToEnd();
returncontent;
}
//接收微信返回code
//接收微信数据获取用户信息
publicActionResultRedirectWeChat(stringcode,stringstate)
{
if(string.IsNullOrEmpty(code))
{
returnContent("您拒绝了授权！");
}
stringaccess_token=accesstoken(微信AppId,微信AppSecret);
stringst="https://api.weixin.qq.com/sns/oauth2/access_token?appid="+微信AppId+"&secret="+微信AppSecret+"&code="+code+"&grant_type=authorization_code";
stringdata=RequestUrl(st);
//拿到用户openid
stringopenid=GetJsonValue(data,"openid");
//获取用户其他信息
stringurl="https://api.weixin.qq.com/cgi-bin/user/info?access_token="+access_token+"&openid="+openid+"&lang=zh_CN";
data=RequestUrl(url);
stringsubscribe=GetJsonValue(data,"subscribe");
if(subscribe=="0")
{
///未关注
returnRedirectToAction("");
}
returnRedirectToAction("");
}
//发送红包Action
publicActionResultHB()
{
stringopenid="";//用户openid
stringurl="https://api.mch.weixin.qq.com/mmpaymkttransfers/sendredpack";
stringorderNo=商户号+DateTime.Now.ToString("yyyymmdd")+"随机10位数字";//商户订单号组成：mch_id+yyyymmdd+10位一天内不能重复的数字。
stringCode=""//32为随机字符串;stringkey="key="+"";//支付密钥(在商户平台设置32为字符串)
Dictionary<string,string>data=newDictionary<string,string>();data.Add("act_name","");//活动名称
data.Add("client_ip","192.168.1.1");//Ip地址
data.Add("mch_billno",orderNo);//商户订单号组成：mch_id+yyyymmdd+10位一天内不能重复的数字。
data.Add("mch_id","");//商户号
data.Add("nonce_str",Code);//随机字符串
data.Add("re_openid",openid);//用户openid
data.Add("remark","");//备注
data.Add("send_name","");//商户名称
data.Add("total_amount","100");//付款金额单位分
data.Add("total_num","1");//红包发放总人数
data.Add("wishing","恭喜发财");//红包祝福语
data.Add("wxappid",);//公众账号appid
stringxml=GetXML(data,key);//签名+拼接xml
stringstr=PostWebRequests(url,xml);//微信返回xmlerr_code=SUCCESS就是成功
returnView("");
}
//发送红包(MD5签名+拼接XML)
publicstaticstringGetXML(Dictionary<string,string>data,stringpaykey)
{
stringretStr;
MD5CryptoServiceProviderm5=newMD5CryptoServiceProvider();
vardata1=fromdindataorderbyd.Keyselectd;
stringdata2="";
stringXML="<xml>";
foreach(varitemindata1)
{
//空值不参与签名
if(item.Value+""!="")
{
data2+=item.Key+"="+item.Value+"&";
}
XML+="<"+item.Key+">"+item.Value+""+"</"+item.Key+">";
}
data2+=paykey;
//创建md5对象
byte[]inputBye;
byte[]outputBye;
//使用GB2312编码方式把字符串转化为字节数组．
try
{
inputBye=Encoding.UTF8.GetBytes(data2);
}
catch
{
inputBye=Encoding.GetEncoding("GB2312").GetBytes(data2);
}
outputBye=m5.ComputeHash(inputBye);
retStr=System.BitConverter.ToString(outputBye);
retStr=retStr.Replace("-","").ToUpper();
XML+="<sign>"+retStr+"</sign>";//签名
XML+="</xml>";
returnXML;
}
//发送红包请求Post方法
publicstaticstringPostWebRequests(stringpostUrl,stringmenuInfo)
{
stringreturnValue=string.Empty;
try
{
Encodingencoding=Encoding.UTF8;
byte[]bytes=encoding.GetBytes(menuInfo);
stringcert=@"E:\cdcert\apiclient_cert.p12";//支付证书路径
stringpassword="1212121";//支付证书密码
ServicePointManager.ServerCertificateValidationCallback=newRemoteCertificateValidationCallback(CheckValidationResult);
X509Certificatecer=newX509Certificate(cert,password,X509KeyStorageFlags.MachineKeySet);
HttpWebRequestwebrequest=(HttpWebRequest)HttpWebRequest.Create(postUrl);
webrequest.ClientCertificates.Add(cer);
webrequest.Method="post";
webrequest.ContentLength=bytes.Length;
webrequest.GetRequestStream().Write(bytes,0,bytes.Length);
HttpWebResponsewebreponse=(HttpWebResponse)webrequest.GetResponse();
Streamstream=webreponse.GetResponseStream();
stringresp=string.Empty;
using(StreamReaderreader=newStreamReader(stream))
{
returnreader.ReadToEnd();
}
}
catch(Exceptionex)
{
return"";
}
}
以下是微信开发官方相关文档
1.【微信支付】公众号支付开发者文档
2.微信开放平台
3.企业号开发者接口文档
4.微信公众平台开发者文档
以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持毛票票。