效果图：
下面提供一个"点赞"的实例代码，用ASP.NET MVC4+jQuery Ajax实现。
Model：
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; }
}
}
View：
@{
ViewBag.Title = "Index";
}
@model MvcAjaxAdd.Models.ClickCountModel
Controller：
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);
}
}
}
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