我所有我使用DotLess与我在网上找到的LessTransformer.cs,在我的MVC 4项目。Site.less'是一个物理路径,但预计虚拟路径
using System;
using System.IO;
using System.Text;
using System.Text.RegularExpressions;
using System.Web.Optimization;
using MyNamespace.Infrastructure.Bundler;
using dotless.Core.configuration;
namespace MyNameSpace.Infrastructure.Transformers.Less
{
public class LessTransform : IBundleTransform
{
private readonly DotlessConfiguration _configuration;
public LessTransform(DotlessConfiguration configuration)
{
_configuration = configuration;
}
public LessTransform()
: this(DotlessConfiguration.GetDefaultWeb())
{ }
public void Process(BundleContext context, BundleResponse response)
{
var builder = new StringBuilder();
_configuration.MinifyOutput = false;
_configuration.ImportAllFilesAsLess = true;
_configuration.CacheEnabled = false;
_configuration.LessSource = typeof(VirtualFileReader);
foreach (var file in response.Files)
{
if (!File.Exists(file.FullName))
{
continue;
}
var content = ResolveImports(file);
builder.AppendLine((_configuration.Web) ?
dotless.Core.LessWeb.Parse(content, _configuration)
: dotless.Core.Less.Parse(content, _configuration));
}
response.ContentType = "text/css";
response.Content = builder.ToString();
}
private static readonly Regex SLessImportRegex =
new Regex("@import [\"|'](.+)[\"|'];", RegexOptions.Compiled);
private static string ResolveImports(FileInfo file)
{
var content = File.ReadAllText(file.FullName, Encoding.UTF8);
return SLessImportRegex.Replace(
content,
match =>
{
var import = match.Groups[1].Value;
// Is absolute path?
Uri uri;
if (Uri.TryCreate(import, UriKind.Absolute, out uri))
{
return match.Value;
}
var path = Path.Combine(file.Directory.FullName, import);
if (!File.Exists(path))
{
throw new ApplicationException(string.Concat("Unable to resolve import ", import));
}
return match.Value.Replace(import, path);
});
}
}
}
因为我已经加入到这一
_configuration.MinifyOutput = false;
_configuration.ImportAllFilesAsLess = true;
_configuration.CacheEnabled = false;
_configuration.LessSource = typeof(VirtualFileReader);
using System.IO;
using System.Web.Hosting;
using dotless.Core.Input;
namespace MyNamespace.Infrastructure.Bundler
{
internal sealed class VirtualFileReader : IFileReader
{
public byte[] GetBinaryFileContents(string fileName)
{
fileName = GetFullPath(fileName);
return File.ReadAllBytes(fileName);
}
public string GetFileContents(string fileName)
{
fileName = GetFullPath(fileName);
return File.ReadAllText(fileName);
}
public bool DoesFileExist(string fileName)
{
fileName = GetFullPath(fileName);
return File.Exists(fileName);
}
private static string GetFullPath(string path)
{
return HostingEnvironment.MapPath("\\Content\\css\\" + path);
}
}
}
我有一个都不能少文件
@import url('LESS\Site.less');
@import url('LESS\Site.Main.less');
body {
#featured-posts {
clear:both;
}
}
@media all and (max-width:320px) {
@import url('LESS\Site.Mobile.less');
}
(我已经试过进口和/ w和/ WO函数符号不同的路径url()
这是全部拉入我的BundleConfig
Bundle siteStyles = new StyleBundle("~/bundles/css").Include("~/Content/css/Main.less");
siteStyles.Transforms.Add(new LessTransform());
siteStyles.Transforms.Add(new CssMinify());
bundles.Add(siteStyles);
之前我加入了VirtualFileReader我得到的错误: -
C:/SourceControl/Git/MyNameSpace/MyNameSpace/Content/css/LESS/Site.less'是一个物理路径,但预计虚拟路径。
,因为我将我得到它只是值为null上dotless.Core.LessWeb.Parse(内容,_configuration)
它总是炸毁这条线,授予我一直有点枪豪实现这些东西和无点,因为我以前没有用过,但我似乎无法找到任何好的可靠文档/教程。所以,如果你能帮我解决我的错误,那将是非常好的,并且指向我关于这个主题的一些很好的教程的方向,我将非常感激。
[编辑]在少文件和文件结构上添加细节。
My File structure is
Content/css/Main.less
Content/css/LESS/Site.less
Content/css/LESS/Mobile.less
etc ... TIA。
p.s.不要担心MyNamespace/MyNamespace的问题,我只是简单地将它缩短。
尝试更改'StyleBundle(“〜/ bundles/css”)''StyleBundle(“〜/ Content/css/css”)' – MikeSmithDev 2013-04-08 15:25:12
另外,它似乎更有效地捆绑所有样式而不是使用' @ imports'。 – MikeSmithDev 2013-04-08 15:37:54
它可能更高效,但LESS规范要求'@ imports'。理论上BundleTransform为我们做了“捆绑”。 – mxmissile 2013-04-08 15:42:21