asp.net web api集成微信服务（使用Senparc微信SDK）- z
/// <summary>
/// 微信请求转发控制器
/// </summary>
[RoutePrefix("weixin")]
public class WeixinController : ApiController
{
#region 创建微信菜单
/// <summary>
/// 创建微信菜单
/// </summary>
/// <returns></returns>
[HttpPost]
[Route("menu")]
public string CreateMenu()
{
#region 菜单结构构建
ButtonGroup bg = new ButtonGroup();
string websiteUrl = WebConfigurationManager.AppSettings["WebsiteUrl"];
bg.button.Add(new SingleViewButton()
{
//url = MenuHelper.GetMenuUrl("Weixin/Index"),
url = string.Format("{0}/{1}", websiteUrl, WebConfigurationManager.AppSettings["mainPage"]),
name = "我要借款",
});
bg.button.Add(new SingleViewButton()
{
url = string.Format("{0}/{1}", websiteUrl, "FrontendMobile/public/view/main.html#appeal"),
name = "投诉建议",
});
#endregion
string result = string.Empty;
try
{
CommonApi.CreateMenu(WeixinConfig.APPID, bg);
result = "菜单生成成功，一般有24小时缓存时间，也可以直接取消关注再关注直接查看效果";
}
catch (WeixinException e)
{
result = e.Message;
}
return result;
}
/// <summary>
/// 获取微信菜单
/// </summary>
/// <returns></returns>
[HttpGet]
[Route("menu")]
public HttpResponseMessage GetMenu()
{
try
{
GetMenuResult result = CommonApi.GetMenu(WeixinConfig.APPID);
return Request.CreateResponse(HttpStatusCode.OK, result);
}
catch (WeixinException e)
{
return Request.CreateErrorResponse(HttpStatusCode.InternalServerError, e.Message);
}
}
/// <summary>
/// 删除菜单方法
/// </summary>
/// <returns></returns>
[HttpDelete]
[Route("menu")]
public string DeleteMenu()
{
try
{
CommonApi.DeleteMenu(WeixinConfig.APPID);
return "删除成功，一般有24小时缓存时间，也可以直接取消关注再关注直接查看效果";
}
catch (WeixinException e)
{
return e.Message;
}
}
#endregion
#region 微信服务器消息接收及处理
/// <summary>
/// 微信后台验证地址（使用Get），微信后台的“接口配置信息”的Url填写如：http://weixin.senparc.com/weixin
/// </summary>
[HttpGet]
[Route("")]
public HttpResponseMessage Get(string signature, string timestamp, string nonce, string echostr)
{
if (CheckSignature.Check(signature, timestamp, nonce, WeixinConfig.TOKEN))
{
var result = new StringContent(echostr, UTF8Encoding.UTF8, "application/x-www-form-urlencoded");
var response = new HttpResponseMessage { Content = result };
return response;
}
return Request.CreateErrorResponse(HttpStatusCode.BadRequest, "failed:" + signature + "," + CheckSignature.GetSignature(timestamp, nonce, WeixinConfig.TOKEN) + "。" +
"如果你在浏览器中看到这句话，说明此地址可以被作为微信公众账号后台的Url，请注意保持Token一致。");
}
/// <summary>
/// 用户发送消息后，微信平台自动Post一个请求到这里，并等待响应XML。
/// PS：此方法为简化方法，效果与OldPost一致。
/// v0.8之后的版本可以结合Senparc.Weixin.MP.MvcExtension扩展包，使用WeixinResult，见MiniPost方法。
/// </summary>
[HttpPost]
[Route("")]
public HttpResponseMessage Post()
{
var requestQueryPairs = Request.GetQueryNameValuePairs().ToDictionary(k => k.Key, v => v.Value);
if (requestQueryPairs.Count == 0
|| !requestQueryPairs.ContainsKey("timestamp")
|| !requestQueryPairs.ContainsKey("signature")
|| !requestQueryPairs.ContainsKey("nonce")
|| !CheckSignature.Check(requestQueryPairs["signature"], requestQueryPairs["timestamp"],
requestQueryPairs["nonce"], WeixinConfig.TOKEN))
{
return Request.CreateErrorResponse(HttpStatusCode.Forbidden, "未授权请求");
}
PostModel postModel = new PostModel
{
Signature = requestQueryPairs["signature"],
Timestamp = requestQueryPairs["timestamp"],
Nonce = requestQueryPairs["nonce"]
};
postModel.Token = WeixinConfig.TOKEN;
postModel.EncodingAESKey = WeixinConfig.ENCODINGAESKEY;//根据自己后台的设置保持一致
postModel.AppId = WeixinConfig.APPID;//根据自己后台的设置保持一致
//v4.2.2之后的版本，可以设置每个人上下文消息储存的最大数量，防止内存占用过多，如果该参数小于等于0，则不限制
var maxRecordCount = 10;
//自定义MessageHandler，对微信请求的详细判断操作都在这里面。
var messageHandler = new CusMessageHandler(Request.Content.ReadAsStreamAsync().Result, postModel, maxRecordCount);
try
{
#if DEBUG
Log.Logger.Debug(messageHandler.RequestDocument.ToString());
if (messageHandler.UsingEcryptMessage)
{
Log.Logger.Debug(messageHandler.EcryptRequestDocument.ToString());
}
#endif
/* 如果需要添加消息去重功能，只需打开OmitRepeatedMessage功能，SDK会自动处理。
* 收到重复消息通常是因为微信服务器没有及时收到响应，会持续发送2-5条不等的相同内容的RequestMessage*/
messageHandler.OmitRepeatedMessage = true;
//执行微信处理过程
messageHandler.Execute();
#if DEBUG
if (messageHandler.ResponseDocument != null)
{
Log.Logger.Debug(messageHandler.ResponseDocument.ToString());
}
if (messageHandler.UsingEcryptMessage)
{
//记录加密后的响应信息
Log.Logger.Debug(messageHandler.FinalResponseDocument.ToString());
}
#endif
var resMessage = Request.CreateResponse(HttpStatusCode.OK);
resMessage.Content = new StringContent(messageHandler.ResponseDocument.ToString());
resMessage.Content.Headers.ContentType = new MediaTypeHeaderValue("application/xml");
return resMessage;
}
catch (Exception ex)
{
Log.Logger.Error("处理微信请求出错：", ex);
return Request.CreateErrorResponse(HttpStatusCode.InternalServerError, "处理微信请求出错");
}
}
#endregion
#region JSSDK相关
/// <summary>
/// 获取JSSDK参数信息
/// </summary>
/// <param name="url">获取签名所用的URL</param>
/// <returns></returns>
[HttpGet]
[Route("JSSDK/{*url}")]
public HttpResponseMessage GetJSSDK(string url)
{
if (!HttpContext.Current.SideInWeixinBroswer())
{
return Request.CreateErrorResponse(HttpStatusCode.Forbidden, "请通过微信端登录");
}
try
{
//获取时间戳
var timestamp = JSSDKHelper.GetTimestamp();
//获取随机码
var nonceStr = JSSDKHelper.GetNoncestr();
string ticket = AccessTokenContainer.TryGetJsApiTicket(WeixinConfig.APPID, WeixinConfig.APPSECRET);
//获取签名
var signature = JSSDKHelper.GetSignature(ticket, nonceStr, timestamp, HttpUtility.UrlDecode(url));
return Request.CreateResponse(HttpStatusCode.OK, new
{
appId = WeixinConfig.APPID,
timestamp = timestamp,
nonceStr = nonceStr,
signature = signature
});
}
catch (Exception e)
{
Log.Logger.Error("获取JSSDK信息出错：", e);
return Request.CreateErrorResponse(HttpStatusCode.InternalServerError, "获取JSSDK信息出错");
}
}
#endregion
/// <summary>
/// 微信菜单导航
/// </summary>
/// <param name="code"></param>
/// <param name="state"></param>
/// <returns></returns>
[HttpGet]
[Route("index")]
public HttpResponseMessage Index(string code, string state)
{
var response = Request.CreateResponse(HttpStatusCode.Redirect);
try
{
var result = OAuthApi.GetAccessToken(WeixinConfig.APPID, WeixinConfig.APPSECRET, code);
response.Headers.Location = new Uri(string.Format("{0}?openId={1}", WebConfigurationManager.AppSettings["mainPage"], result.openid), UriKind.Relative);
}
catch (WeixinException e)
{
Log.Logger.Error("OAuth2授权失败：", e);
response.Headers.Location = new Uri(WebConfigurationManager.AppSettings["mainPage"], UriKind.Relative);
}
return response;
}
}
KidYang
