// 自定义错误处理: 屏蔽发送给客户端错误信息,自己处理错误信息 public class ErrorHandler : IErrorHandler { string time = ""; //记录错误发生的时间,以便到日志文件中查询错误信息 //由于调用 ProvideFault 时,客户端处于阻塞状态,不要在这里进行长时间的操作 public void ProvideFault(Exception error, MessageVersion version, ref Message msg) { //避免敏感信息泄漏,例如:数据库配置, error包含的错误信息应该记录到服务器的日志中,不能显示给客户端 // FaultException<int> e = new FaultException<int>(123, error.Message); DateTime now = DateTime.Now; time = now.ToString("yyyyMMddHHmmssfff", DateTimeFormatInfo.InvariantInfo);// "" + now.Year.ToString() + now.Month.ToString() + now.Day.ToString() + now.Hour.ToString() + now.Minute.ToString() + now.Second.ToString() + now.Millisecond.ToString(); string errorMsg = "服务内部错误_" + time; // FaultException fe = new FaultException(errorMsg); // MessageFault mf = fe.CreateMessageFault(); // msg = Message.CreateMessage(version, mf, fe.Action);//返回的将是一个xml //The fault to be returned msg = Message.CreateMessage(version, "", errorMsg, new DataContractJsonSerializer(typeof(string))); // tell WCF to use JSON encoding rather than default XML WebBodyFormatMessageProperty wbf = new WebBodyFormatMessageProperty(WebContentFormat.Json); // Add the formatter to the fault msg.Properties.Add(WebBodyFormatMessageProperty.Name, wbf); //Modify response HttpResponseMessageProperty rmp = new HttpResponseMessageProperty(); // return custom error code, 500. rmp.StatusCode = System.Net.HttpStatusCode.InternalServerError; rmp.StatusDescription = "InternalServerError"; //Mark the jsonerror and json content rmp.Headers[HttpResponseHeader.ContentType] = "application/json"; rmp.Headers[HttpResponseHeader.ContentEncoding] = "utf-8"; rmp.Headers["jsonerror"] = "true"; //Add to msg msg.Properties.Add(HttpResponseMessageProperty.Name, rmp); } //HandleError 在异常返回给客户端之后被触发 //自定义错误信息,例如在数据库中添加一个记录 public bool HandleError(Exception error) { string errorMsg = error.Message + " ===== " + error.StackTrace; Logger logger = LogManager.GetCurrentClassLogger(); logger.Error(time + " ===== " + errorMsg);//文本日志 LgcComm.AddLog(errorMsg, time);//数据库日志 return false; }
wcf 异常 抛出json格式的异常消息
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转载自zheyiw.iteye.com/blog/1993073
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