/// <summary>
/// ExceptionHandlingMiddleware
/// </summary>
public ExceptionHandlingMiddleware(
RequestDelegate next,
ILoggerFactory loggerFactory,
IOptions <CustomExceptionHandlerOptions> options,
IOptions <MvcJsonOptions> mvcJsonOptions)
{
_next = next;
_jsonSerializer = mvcJsonOptions.Value.SerializerSettings;
_options = options.Value;
_logger = loggerFactory.CreateLogger <ExceptionHandlingMiddleware>();
if (_options.ExceptionHandler != null)
{
return;
}
if (_options.ExceptionHandlingPath == null)
{
throw new InvalidOperationException("请求的异常处理地址为空");
}
_options.ExceptionHandler = _next;
}
/// <summary>
/// 从管道捕获同步和异步实例参见 <see cref="T:System.Exception"/> 并生成HTML错误响应。
/// </summary>
/// <returns>操作完成后app</returns>
public static IApplicationBuilder UseCustomExceptionHandler(this IApplicationBuilder app, CustomExceptionHandlerOptions options)
{
if (app == null)
{
throw new ArgumentNullException(nameof(app));
}
return(app.UseMiddleware <ExceptionHandlingMiddleware>((object)Options.Create(options)));
}