我有一个控制器动作,返回大量的动态JavaScript(一次服务到客户端),我已经启用了GZip压缩.我想做的一件事是阅读执行的结果流并对其应用JS缩小.
是否可以使用动作过滤器属性执行此操作.我想我的问题归结为 - 假设我的minifier接受一串JavaScript,有没有办法把执行结果拉出来View(view).ExecuteResult(ControllerContext)
?
我认为 .NET 的 YUI 压缩机将完全满足您的需求。
http://yuicompressor.codeplex.com/
编辑:以上是错误的,因为我误读了问题。下面的代码将安装一个响应过滤器,允许您操作输出,在本例中它只是删除换行符。
希望这可以帮助。
[HandleError]
public class HomeController : Controller
{
[Minify]
public ActionResult Index()
{
ViewData["Message"] = "Welcome to ASP.NET MVC!";
return View();
}
}
public class Minify : ActionFilterAttribute
{
public override void OnActionExecuting(ActionExecutingContext filterContext)
{
//You can check if the content type is CSS/JS here and prevent the filter running on HTML pages
filterContext.HttpContext.Response.Filter = new MinifyFilter(filterContext.HttpContext.Response.Filter);
base.OnActionExecuting(filterContext);
}
}
public class MinifyFilter : MemoryStream
{
private StringBuilder outputString = new StringBuilder();
private Stream outputStream = null;
public MinifyFilter(Stream outputStream)
{
this.outputStream = outputStream;
}
public override void Write(byte[] buffer, int offset, int count)
{
outputString.Append(Encoding.UTF8.GetString(buffer));
}
public override void Close()
{
//Call the minifier here, your data is in outputString
string result = outputString.ToString().Replace(Environment.NewLine, string.Empty);
byte[] rawResult = Encoding.UTF8.GetBytes(result);
outputStream.Write(rawResult, 0, rawResult.Length);
base.Close();
outputStream.Close();
}
}
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