C# 或者更少）像这样： /// <summary> /// Get by Filter /// </summary> /// <param name="filter">user filters</param> /

或者更少）像这样：

/// <summary>
/// Get by Filter
/// </summary>
/// <param name="filter">user filters</param>
/// <returns></returns>
[Route("functionRoute")]
[HttpPost]

public IHttpActionResult GetUsersByFilter([FromBody] UserFilter filter)
{
            try
            {
                UserService service= new UserService ();
                List<User> list = service.GetByFilter(filter).Select(x => new User() {
                Id = x.Id,
                Name = x.Name,
                //every property except your image property
                }).ToList();

                List<UserCE> listCE = Mapper.Map<List<UserCE>>(list);

                return Ok(listCE);
            }
            catch (Exception ex)
            {
                TraceManager.LogError(ex);
                return InternalServerError(ex);
            }
}

//
///通过过滤器
/// 
///用户过滤器
/// 
[路线（“功能路线”）]
[HttpPost]
公共IHttpActionResult GetUsersByFilter（[FromBody]UserFilter筛选器）
{
尝试
{
UserService=newuserservice（）；
List=service.GetByFilter（filter）.Select（x=>newuser（）{
Id=x.Id，
Name=x.Name，
//除图像属性外的所有属性
}).ToList（）；
List listCE=Mapper.Map（列表）；
返回Ok（列表）；
}
捕获（例外情况除外）
{
TraceManager.LogError（ex）；
返回InternalServerError（ex）；
}
}

SO问题可能重复。SO问题可能重复。@Excali 2我的答案最终帮助你解决问题了吗？@Excali 2我的答案最终帮助你解决问题了吗？

public List<User> GetByFilter(UserFilter filter)
        {
            return _unitOfWork.UserRepository.GetByFilter(filter).ToList();
        }

public IQueryable<User> GetByFilter(UserFilter filter)
        {
            return Get_internal(filter);
        }

private IQueryable<User> Get_internal(UserFilter filter)
        {
            IQueryable<User> users = _context.Users;

            if (filter.Deleted != null)
            {
                users = users.Where(u => u.Deleted == filter.Deleted );
            }            

            return users;
        }

private IQueryable<User> Get_internal(UserFilter filter)
        {
            IQueryable<User> users = _context.Users;

            if (filter.Deleted != null)
            {
                users = users.Where(u => u.Deleted == filter.Deleted );
            }            

            return users.Select(x => new User() {
                Id = x.Id,
                Name = x.Name,
                //every property except your image property
                });
        }

public class User 
{
    public int Id { get; set; }

    [NotMapped]
    public string IgnoredField { get; set; }
}

public class MyContext : DbContext
{
    public DbSet<User> Users{ get; set; }

    protected override void OnModelCreating(ModelBuilder modelBuilder)
    {
        modelBuilder.Entity<User>()
            .Ignore(b => b.IgnoredField);
    }
}

/// <summary>
/// Get by Filter
/// </summary>
/// <param name="filter">user filters</param>
/// <returns></returns>
[Route("functionRoute")]
[HttpPost]

public IHttpActionResult GetUsersByFilter([FromBody] UserFilter filter)
{
            try
            {
                UserService service= new UserService ();
                List<User> list = service.GetByFilter(filter).Select(x => new User() {
                Id = x.Id,
                Name = x.Name,
                //every property except your image property
                }).ToList();

                List<UserCE> listCE = Mapper.Map<List<UserCE>>(list);

                return Ok(listCE);
            }
            catch (Exception ex)
            {
                TraceManager.LogError(ex);
                return InternalServerError(ex);
            }
}