ZipArchive.Entries Properti

Definisi

Ruang nama:

System.IO.Compression

Rakitan:

System.IO.Compression.dll

Sumber:

ZipArchive.cs

Mendapatkan koleksi entri yang saat ini ada di arsip zip.

public:
 property System::Collections::ObjectModel::ReadOnlyCollection<System::IO::Compression::ZipArchiveEntry ^> ^ Entries { System::Collections::ObjectModel::ReadOnlyCollection<System::IO::Compression::ZipArchiveEntry ^> ^ get(); };

public System.Collections.ObjectModel.ReadOnlyCollection<System.IO.Compression.ZipArchiveEntry> Entries { get; }

member this.Entries : System.Collections.ObjectModel.ReadOnlyCollection<System.IO.Compression.ZipArchiveEntry>

Public ReadOnly Property Entries As ReadOnlyCollection(Of ZipArchiveEntry)

Nilai Properti

ReadOnlyCollection<ZipArchiveEntry>

Kumpulan entri yang saat ini ada di arsip zip.

Pengecualian

NotSupportedException

Arsip zip tidak mendukung pembacaan.

ObjectDisposedException

Arsip zip telah dibuang.

InvalidDataException

Arsip zip rusak, dan entrinya tidak dapat diambil.

Contoh

Contoh berikut menunjukkan cara membuka arsip zip dan melakukan iterasi melalui kumpulan entri.

using System;
using System.IO;
using System.IO.Compression;

class Program
{
    static void Main(string[] args)
    {
        string zipPath = @".\result.zip";

        Console.WriteLine("Provide path where to extract the zip file:");
        string extractPath = Console.ReadLine();

        // Normalizes the path.
        extractPath = Path.GetFullPath(extractPath);

        // Ensures that the last character on the extraction path
        // is the directory separator char.
        // Without this, a malicious zip file could try to traverse outside of the expected
        // extraction path.
        if (!extractPath.EndsWith(Path.DirectorySeparatorChar.ToString(), StringComparison.Ordinal))
            extractPath += Path.DirectorySeparatorChar;

        using (ZipArchive archive = ZipFile.OpenRead(zipPath))
        {
            foreach (ZipArchiveEntry entry in archive.Entries)
            {
                if (entry.FullName.EndsWith(".txt", StringComparison.OrdinalIgnoreCase))
                {
                    // Gets the full path to ensure that relative segments are removed.
                    string destinationPath = Path.GetFullPath(Path.Combine(extractPath, entry.FullName));

                    // Ordinal match is safest, case-sensitive volumes can be mounted within volumes that
                    // are case-insensitive.
                    if (destinationPath.StartsWith(extractPath, StringComparison.Ordinal))
                        entry.ExtractToFile(destinationPath);
                }
            }
        }
    }
}

open System
open System.IO;
open System.IO.Compression;

[<EntryPoint>]
let main _ =
    let zipPath = @".\result.zip"

    printfn "Provide path where to extract the zip file:"
    let extractPath = stdin.ReadLine();

    // Normalizes the path.
    let mutable extractPath = Path.GetFullPath extractPath

    // Ensures that the last character on the extraction path
    // is the directory separator char.
    // Without this, a malicious zip file could try to traverse outside of the expected
    // extraction path.
    if extractPath.EndsWith(Path.DirectorySeparatorChar.ToString(), StringComparison.Ordinal) |> not then
        extractPath <- extractPath + string Path.DirectorySeparatorChar

    use archive = ZipFile.OpenRead zipPath

    for entry in archive.Entries do
        if entry.FullName.EndsWith(".txt", StringComparison.OrdinalIgnoreCase) then
            // Gets the full path to ensure that relative segments are removed.
            let destinationPath = Path.GetFullPath(Path.Combine(extractPath, entry.FullName))

            // Ordinal match is safest, case-sensitive volumes can be mounted within volumes that
            // are case-insensitive.
            if destinationPath.StartsWith(extractPath, StringComparison.Ordinal) then
                entry.ExtractToFile destinationPath
    0

Imports System.IO
Imports System.IO.Compression

Module Module1

    Sub Main()
        Dim zipPath As String = ".\result.zip"

        Console.WriteLine("Provide path where to extract the zip file:")
        Dim extractPath As String = Console.ReadLine()

        ' Normalizes the path.
        extractPath = Path.GetFullPath(extractPath)

        ' Ensures that the last character on the extraction path
        ' is the directory separator char. 
        ' Without this, a malicious zip file could try to traverse outside of the expected
        ' extraction path.
        If Not extractPath.EndsWith(Path.DirectorySeparatorChar.ToString(), StringComparison.Ordinal) Then
            extractPath += Path.DirectorySeparatorChar
        End If

        Using archive As ZipArchive = ZipFile.OpenRead(zipPath)
            For Each entry As ZipArchiveEntry In archive.Entries
                If entry.FullName.EndsWith(".txt", StringComparison.OrdinalIgnoreCase) Then

                    ' Gets the full path to ensure that relative segments are removed.
                    Dim destinationPath As String = Path.GetFullPath(Path.Combine(extractPath, entry.FullName))
                    
                    ' Ordinal match is safest, case-sensitive volumes can be mounted within volumes that
                    ' are case-insensitive.
                    If destinationPath.StartsWith(extractPath, StringComparison.Ordinal) Then 
                        entry.ExtractToFile(destinationPath)
                    End If

                End If
            Next
        End Using
    End Sub

End Module

Keterangan

Entries Gunakan properti untuk mengambil seluruh koleksi entri. GetEntry Gunakan metode untuk mengambil satu entri berdasarkan nama.