1     /// <summary>
 2     /// 評論(lun)對象
 3     /// </summary>
 4     public class Review
 5     {
 6         public long ID { get; set; }
 7         /// <summary>
 8         /// 被評論對象的類型
 9         /// </summary>
10         public int ObjType { get; set; }
11         /// <summary>
12         /// 被評論對象(xiang)的(de)ID
13         /// </summary>
14         public long ObjID { get; set; }
15         [Required]
16         public string Title { get; set; }
17         [Required]
18         public string Content { get; set; }
19         [Required]
20         public DateTime CreateDate { get; set; }
21     }

1     /// <summary>
2     /// 系統主要對象(xiang)的類(lei)型(xing)
3     /// </summary>
4     public enum ObjectType
5     {
6         User,
7         Product,
8         Order
9     }

 1         /// <summary>
 2         /// 評論(lun)公用視圖
 3         /// </summary>
 4         /// <returns></returns>
 5         public ActionResult Review(int? objID, int? objType)
 6         {
 7             return View(new Review
 8             {
 9                 ObjID = objID ?? 0,
10                 ObjType = objType ?? 1,
11                 Content = "",
12                 Title = "",
13             });
14         }

 1         [HttpPost]
 2         public ActionResult Review(Review entity)
 3         {
 4             if (ModelState.IsValid)
 5             {
 6                 //數據操(cao)作(zuo)邏輯
 7                 //code...
 8                 switch (entity.ObjType)
 9                 {
10                     case (int)ObjectType.User:
11                         return RedirectToAction("Index", "User", new { id = entity.ObjID });
12                     case (int)ObjectType.Product:
13                         return RedirectToAction("Index", "Product", new { id = entity.ObjID });
14                     case (int)ObjectType.Order:
15                         return RedirectToAction("Index", "Order", new { id = entity.ObjID });
16                     default:
17                         break;
18                 }
19             }
20             else
21                 ModelState.AddModelError("", "請認真(zhen)填(tian)寫...");
22             return View();
23         }