MCVef/Controllers/RegistsController.cs

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using System;
using System.Collections.Generic;
using System.Data;
using System.Data.Entity;
using System.Data.Entity.Infrastructure;
using System.Linq;
using System.Net;
using System.Net.Http;
using System.Web.Http;
using System.Web.Http.Description;
using MCVef.Models;

namespace MCVef.Controllers
{
    public class RegistsController : ApiController
    {
        private HospitalModel db = new HospitalModel();

        public string Options()
        {
            return null;
        }

        // GET: api/Regists
        /// <summary>
        /// 条件查询，三个参数都必须传，内容可以为空
        /// </summary>
        public IQueryable<Regist> GetRegist(int? billId, int? doctorId, int? medicalRecordId)
        {
            IQueryable<Regist> regists  = db.Regist;
            if (billId != null)
            {
                regists = regists.Where<Regist>(r => r.BillId == billId.Value);
            }
            if (doctorId != null)
            {
                regists =  regists.Where<Regist>(r => r.DoctorId == doctorId.Value);
            }
            if (medicalRecordId != null)
            {
                regists = regists.Where<Regist>(r => r.MedicalRecordId == medicalRecordId.Value);
            }
            foreach (var item in regists)
            {
                item.MedicalRecord = db.MedicalRecord.Find(medicalRecordId);
                item.Doctor = db.Doctor.Find(doctorId);
            }
            return regists;
        }

        // GET: api/Regists/5
        [ResponseType(typeof(Regist))]
        public IHttpActionResult GetRegist(int id)
        {
            Regist regist = db.Regist.Find(id);
            if (regist == null)
            {
                return NotFound();
            }
            regist.Doctor = db.Doctor.Find(regist.DoctorId);