jQuery实现简单的点赞效果_jquery

namespace MvcAjaxAdd.Models 
{ 
 public class ClickCountModel 
 { 
  [Key] 
  [DatabaseGeneratedAttribute(System.ComponentModel.DataAnnotations.Schema.DatabaseGeneratedOption.Identity)] 
  public int ID { get; set; } 
 
  public string URL { get; set; } 
 
  public int? Num { get; set; } 
 } 
} 

namespace MvcAjaxAdd.Controllers 
{ 
 public class HomeController : Controller 
 { 
  private ClickCountContext db = new ClickCountContext(); 
 
  public ActionResult Index() 
  { 
   ClickCountModel ClickCountModel = db.ClickCountModels.FirstOrDefault(x => x.URL == "/"); 
   return View(ClickCountModel); 
  } 
 
  [HttpPost] 
  public JsonResult ClickGood(ClickCountModel ClickCountModel) 
  { 
   ClickCountModel newClickCountModel = db.ClickCountModels.FirstOrDefault(x => x.URL == ClickCountModel.URL); 
   newClickCountModel.Num++;//数量+1 
   db.SaveChanges(); 
   return Json(newClickCountModel); 
  } 
 } 
}