爱上MVC3~在控制器或Action上动态设定模板页(Layout)

时间:2024-10-23 22:04:44

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很多境况下,我们需要设置自己模块的layout,即它的布局页面,在MVC2中叫它模板页面,你可以在return view方法时设置它,当然,这不是一种好方法,因为我不想每个action都去设置一次,因为我们的controller一般指一个模块,而一个模块下的action,它们的layout基本是相同的,所以,有没有一种方法,在controller级别来实现这个呢,呵呵,当然有,那就是attribute特性,我们在MVC环境下,有一个ActionFilterAttribute,这个想毕大家都听说过,它记录了页面在渲染前与渲染后的状态,这个特性(或者叫它过滤器)的代码如下:

 // 摘要:
// Represents the base class for filter attributes.
[AttributeUsage(AttributeTargets.Class | AttributeTargets.Method, Inherited = true, AllowMultiple = false)]
public abstract class ActionFilterAttribute : FilterAttribute, IActionFilter, IResultFilter
{
// 摘要:
// Initializes a new instance of the System.Web.Mvc.ActionFilterAttribute class.
protected ActionFilterAttribute(); // 摘要:
// Called by the ASP.NET MVC framework after the action method executes.
//
// 参数:
// filterContext:
// The filter context.
public virtual void OnActionExecuted(ActionExecutedContext filterContext);
//
// 摘要:
// Called by the ASP.NET MVC framework before the action method executes.
//
// 参数:
// filterContext:
// The filter context.
public virtual void OnActionExecuting(ActionExecutingContext filterContext);
//
// 摘要:
// Called by the ASP.NET MVC framework after the action result executes.
//
// 参数:
// filterContext:
// The filter context.
public virtual void OnResultExecuted(ResultExecutedContext filterContext);
//
// 摘要:
// Called by the ASP.NET MVC framework before the action result executes.
//
// 参数:
// filterContext:
// The filter context.
public virtual void OnResultExecuting(ResultExecutingContext filterContext);
}

OnActionExecuted,OnActionExecuting,OnResultExecuted和OnResultExecuting它们记录一个action从加载到页面最终显示在浏览器上的全过程,这个东西我们一般用在页面权限验证,layout页面控制上,它们的执行次序是:
OnActionExecuting  action执行前
OnActionExecuted action执行后
OnResultExecuting 页面渲染前
显示页面的内容
OnResultExecuted 页面渲染结果
如图所示

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" alt="" />

我们通过ActionFilterAttribute的特性,写个派生类,然后去覆写它的OnActionExecuted方法,将layout页面修改(注意是修改,因为在action执行之后layout已经是默认的布局页了)

代码如下:

 /// <summary>
/// 自定义模板页面
/// </summary>
public class LayoutAttribute : ActionFilterAttribute
{
private readonly string _masterName;
public LayoutAttribute(string masterName)
{
_masterName = masterName;
}
/// <summary>
/// 页面渲染结束后执行
/// </summary>
/// <param name="filterContext"></param>
public override void OnActionExecuted(ActionExecutedContext filterContext)
{
base.OnActionExecuted(filterContext);
var result = filterContext.Result as ViewResult;
if (result != null)
{
result.MasterName = _masterName;
}
}
}

最后把它应用到controller或者action上,使用很简单

aaarticlea/png;base64,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" alt="" />

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