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; } 
 } 
} 

@{ 
 ViewBag.Title = "Index"; 
} 
@model MvcAjaxAdd.Models.ClickCountModel 
 

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); 
 } 
 } 
}