using System; using System.Collections.Generic; using System.Linq; using System.Web; using Microsoft.AspNetCore.Mvc; using MySystem.Models; namespace MySystem { public class CouponDictionary { WebCMSEntities db = new WebCMSEntities(); #region 优惠券字典 public Dictionary getCouponsDic() { List CouponsList = db.Coupons.Where(m => m.Status == 1).ToList(); Dictionary CouponsDic = new Dictionary(); foreach (Coupons subCoupons in CouponsList) { CouponsDic.Add(subCoupons.Id.ToString(), subCoupons.Name.ToString()); } return CouponsDic; } #endregion #region 根据字典key获取字典值 public string getDictionaryNameByKey(Dictionary data, string key) { if (data.ContainsKey(key)) { return data[key]; } return ""; } public string getDictionaryNameById(Dictionary data, int key) { if (data.ContainsKey(key)) { return data[key]; } return ""; } public string getDictionaryNamesByKeys(Dictionary data, string keys) { string result = ""; string[] keylist = keys.Split(','); foreach (string subkey in keylist) { if (data.ContainsKey(subkey)) { result += data[subkey] + ","; } } return result.TrimEnd(','); } #endregion } }