QRAPI/API/Wood.Admin.WebApi/Middleware/ModelBindingMetadataProvider.cs

using System;
using System.Collections.Generic;
using System.Text;
using Microsoft.AspNetCore.Mvc.ModelBinding.Metadata;

namespace Wood.Admin.WebApi.Middleware
{
    /// <summary>
    /// Controller Model Binding 处理
    /// </summary>
    public class ModelBindingMetadataProvider : IMetadataDetailsProvider, IDisplayMetadataProvider
    {
        /// <summary>
        /// 
        /// </summary>
        /// <param name="context"></param>
        public void CreateDisplayMetadata(DisplayMetadataProviderContext context)
        {
            if (context.Key.MetadataKind == ModelMetadataKind.Property)
            {
                context.DisplayMetadata.ConvertEmptyStringToNull = false;
            }
        }
    }
}