Files
simapi-net/Helpers/ExceptionMiddleware.cs
T
2019-12-23 16:32:06 +08:00

71 lines
1.9 KiB
C#

using System;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Http;
using YYApi.Communications;
using Microsoft.AspNetCore.Builder;
using Microsoft.Extensions.Logging;
namespace YYApi.Helpers
{
/// <summary>
/// 异常处理中间件
/// </summary>
public class ExceptionMiddleware
{
private RequestDelegate Next { get; }
private ILogger<ExceptionMiddleware> Log { get; }
public ExceptionMiddleware(RequestDelegate next, ILogger<ExceptionMiddleware> log)
{
Log = log;
Next = next;
}
public async Task InvokeAsync(HttpContext context)
{
var response = new BaseResponse();
try
{
await Next(context);
}
catch (ApiException ex)
{
response.SetCodeMsg(ex.Code, ex.Message);
ErrorResponse(context, response);
}
catch (Exception ex)
{
Log.LogError(ex.Message);
Log.LogError(ex.StackTrace);
response.SetCodeMsg(500, ex.Message);
ErrorResponse(context, response);
}
}
/// <summary>
/// 异常抛出错误
/// </summary>
/// <param name="context"></param>
/// <param name="response"></param>
private void ErrorResponse(HttpContext context, BaseResponse response)
{
context.Response.StatusCode = 200;
context.Response.Headers.Add("Content-Type", "application/json");
context.Response.WriteAsync(response.ToString());
}
}
/// <summary>
/// Api错误捕获异常
/// </summary>
public class ApiException : Exception
{
public int Code { get; }
public ApiException(int code, string message = "") : base(message)
{
Code = code;
}
}
}