/// <summary>
/// 日志过滤器
/// </summary>
public class LogFilter : IAsyncActionFilter
{private readonly ILogger<LogFilter> _logger;public LogFilter(ILogger<LogFilter> logger){_logger = logger;}public async Task OnActionExecutionAsync(ActionExecutingContext context, ActionExecutionDelegate next){var contentType = "application/json";//校验参数if (!context.ModelState.IsValid){context.Result = new ContentResult(){Content = context.ModelState.Values.SelectMany(e => e.Errors).Select(e => e.ErrorMessage).FirstOrDefault(),StatusCode = 500,ContentType = contentType};}var apiPath = context.HttpContext.Request.Path.ToString();//获得调用接口,var RequestType = context.HttpContext.Request.Method;string arguments = JsonSerializer.Serialize(context.ActionArguments);//参数读取if (RequestType == "POST" || RequestType == "PUT" || RequestType == "DELETE"){_logger.LogInformation($"请求方式:{RequestType},接口:{apiPath},请求参数:{arguments}");//具体业务,  如果要不进入Action给ActionExecutingContext 对象的Result复制.context.Result = new ContentResult(){Content = "成功了. ",StatusCode = 200,ContentType = contentType};}else if (RequestType == "GET"){_logger.LogInformation($"请求方式:{RequestType},接口:{apiPath},请求参数:{arguments}");}else{context.Result = new ContentResult(){Content = "请求方式错误!",StatusCode = 405,ContentType = contentType};}var executedContext = await next();Console.WriteLine("Result:" + JsonSerializer.Serialize(executedContext.Result));}
}

builder.Services.AddMvc(option =>
{option.Filters.Add(typeof(LogFilter));
});