C# 列表<;字符串>;层次结构的路径选择
我有一个这样的路径列表:C# 列表<;字符串>;层次结构的路径选择,c#,C#,我有一个这样的路径列表: Root Root/Folder1 Root/Folder1/SubFolder1.1 Root/Folder1/SubFolder1.2 Root/Folder2 OtherRootFolder OtherRootFolder/Folder1 我需要创建一个带有文件夹+子项列表的层次结构 public class FolderTreeModel { public string Title { get; set; } public List&
Root
Root/Folder1
Root/Folder1/SubFolder1.1
Root/Folder1/SubFolder1.2
Root/Folder2
OtherRootFolder
OtherRootFolder/Folder1
我需要创建一个带有文件夹+子项列表的层次结构
public class FolderTreeModel
{
public string Title { get; set; }
public List<FolderTreeModel> Children { get; set; }
}
提前感谢。以下是您需要的代码:
Action<FolderTreeModel, IEnumerable<string>> ensureExists = null;
ensureExists = (ftm, ts) =>
{
if (ts.Any())
{
var title = ts.First();
var child = ftm.Children.Where(x => x.Title == title).SingleOrDefault();
if (child == null)
{
child = new FolderTreeModel()
{
Title = title,
Children = new List<FolderTreeModel>(),
};
ftm.Children.Add(child);
}
ensureExists(child, ts.Skip(1));
}
};
…然后代码变得更简单一些:
Action<FolderTreeModel, IEnumerable<string>> ensureExists = null;
ensureExists = (ftm, ts) =>
{
if (ts.Any())
{
var title = ts.First();
var child = ftm.Where(x => x.Title == title).SingleOrDefault();
if (child == null)
{
child = new FolderTreeModel() { Title = title };
ftm.Add(child);
}
ensureExists(child, ts.Skip(1));
}
};
var root = new FolderTreeModel() { Title = "/" };
Action-ensureExists=null;
ensureExists=(ftm,ts)=>
{
if(ts.Any())
{
var title=ts.First();
var child=ftm.Where(x=>x.Title==Title.SingleOrDefault();
if(child==null)
{
child=newfoldertreemodel(){Title=Title};
ftm.Add(儿童);
}
确保存在(儿童,ts.Skip(1));
}
};
var root=new FolderTreeModel(){Title=“/”};
其余代码相同。以下是您需要的代码:
Action<FolderTreeModel, IEnumerable<string>> ensureExists = null;
ensureExists = (ftm, ts) =>
{
if (ts.Any())
{
var title = ts.First();
var child = ftm.Children.Where(x => x.Title == title).SingleOrDefault();
if (child == null)
{
child = new FolderTreeModel()
{
Title = title,
Children = new List<FolderTreeModel>(),
};
ftm.Children.Add(child);
}
ensureExists(child, ts.Skip(1));
}
};
…然后代码变得更简单一些:
Action<FolderTreeModel, IEnumerable<string>> ensureExists = null;
ensureExists = (ftm, ts) =>
{
if (ts.Any())
{
var title = ts.First();
var child = ftm.Where(x => x.Title == title).SingleOrDefault();
if (child == null)
{
child = new FolderTreeModel() { Title = title };
ftm.Add(child);
}
ensureExists(child, ts.Skip(1));
}
};
var root = new FolderTreeModel() { Title = "/" };
Action-ensureExists=null;
ensureExists=(ftm,ts)=>
{
if(ts.Any())
{
var title=ts.First();
var child=ftm.Where(x=>x.Title==Title.SingleOrDefault();
if(child==null)
{
child=newfoldertreemodel(){Title=Title};
ftm.Add(儿童);
}
确保存在(儿童,ts.Skip(1));
}
};
var root=new FolderTreeModel(){Title=“/”};
代码的其余部分是相同的。是否使用
WinForm
?查看TreeView
定义FolderTreeModel
的更好方法是公共类FolderTreeModel:List{public string Title{get;set;}}}
@Ian取决于他是否想要实际显示它。不管怎样,这是一个美妙的周五下午,避免工作,挑战到目前为止你都做了些什么?你哪里有问题?路径解析(可以使用Path.GetDirectoryName
或String.Split
调用)?解析完整路径后的结构构建?@Rhumborl你是对的,我应该添加“…和TreeNode”)您是否使用WinForm
?查看TreeView
定义FolderTreeModel
的更好方法是公共类FolderTreeModel:List{public string Title{get;set;}}}
@Ian取决于他是否想要实际显示它。不管怎样,这是一个美妙的周五下午,避免工作,挑战到目前为止你都做了些什么?你哪里有问题?路径解析(可以使用Path.GetDirectoryName
或String.Split
调用)?解析完整路径后的结构构建?@Rhumborl你是对的,我应该添加“…和TreeNode”)
Action<FolderTreeModel, IEnumerable<string>> ensureExists = null;
ensureExists = (ftm, ts) =>
{
if (ts.Any())
{
var title = ts.First();
var child = ftm.Where(x => x.Title == title).SingleOrDefault();
if (child == null)
{
child = new FolderTreeModel() { Title = title };
ftm.Add(child);
}
ensureExists(child, ts.Skip(1));
}
};
var root = new FolderTreeModel() { Title = "/" };