Question

我想在我的应用程序中压缩文件。任何人都可以准确地告诉我代码。我已使用此代码解压缩文件：

我用过：ZipArchive.h

self.fileManager = [NSFileManager defaultManager];
NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);

NSLog(@"document directory path:%@",paths);

self.documentDirectory = [paths objectAtIndex:0];

NSString *filePath = [NSString stringWithFormat:@"%@/abc", self.documentDirectory];

NSLog(@"file path is:%@",filePath);

NSString *fileContent = [[[NSBundle mainBundle] resourcePath] stringByAppendingPathComponent:@"data.zip"];


NSData *unzipData = [NSData dataWithContentsOfFile:fileContent];

[self.fileManager createFileAtPath:filePath contents:unzipData attributes:nil];

// here we go, unzipping code

ZipArchive *zipArchive = [[ZipArchive alloc] init];

if ([zipArchive UnzipOpenFile:filePath])
{
  if ([zipArchive UnzipFileTo:self.documentDirectory overWrite:NO])
  {
     NSLog(@"Archive unzip success");
     [self.fileManager removeItemAtPath:filePath error:NULL];
  }
  else
  {
     NSLog(@"Failure to unzip archive");
  }
}
else
{
   NSLog(@"Failure to open archive");
}
[zipArchive release];

Answer 1

我使用SSZipArchive

NSError* error = nil;
BOOL ok = [SSZipArchive unzipFileAtPath:source_path toDestination:dest_path overwrite:YES password:nil error:&error];
DLog(@"unzip status: %i %@", (int)ok, error);
if(ok) {
    [self performSelectorOnMainThread:@selector(unzipCompleted) withObject:nil waitUntilDone:NO];
} else {
    [self performSelectorOnMainThread:@selector(unzipFailed:) withObject:error waitUntilDone:YES];
}

Answer 2

你会得到你的回答。您可以通过编程方式压缩和解压缩文件 .http：//stackoverflow.com/questions/1546541/how-can-we-unzip-a-file-in-objective-c

Answer 3

此代码可以完美地压缩文件。

    ZipArchive *zip = [[ZipArchive alloc] init];
    if(![zip UnzipOpenFile:fileToZipPath]) {
    //open file is there

                if ([zip CreateZipFile2:newZipFilePath overWrite:YES]) {

                    //zipped successfully

                    NSLog(@"Archive zip Success");

                } 

            } else  {

                NSLog(@"Failure To Zip Archive");

            }
          }

Answer 4

我用它来压缩我的文件夹。
您可以将要压缩文件的部分分开。

NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
NSString *docDirectory = [paths objectAtIndex:0];
BOOL isDir = NO;
NSArray *subpaths;
NSFileManager *fileManager = [NSFileManager defaultManager];    
if([fileManager fileExistsAtPath:docDirectory isDirectory:&isDir] && isDir)
{
    subpaths = [fileManager subpathsAtPath:docDirectory];
}
NSString *archivePath = [docDirectory stringByAppendingString:@"/doc.zip"];
ZipArchive *archiver = [[ZipArchive alloc] init];
[archiver CreateZipFile2:archivePath];
for(NSString *path in subpaths)
{
    NSString *longPath = [docDirectory stringByAppendingPathComponent:path];
    if([fileManager fileExistsAtPath:longPath isDirectory:&isDir] && !isDir)
    {
        [archiver addFileToZip:longPath newname:path];      
    }
}
BOOL successCompressing = [archiver CloseZipFile2];
if(successCompressing)
{
    UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"Success"
                                                    message:@"Zipping Successful!!!"
                                                   delegate:nil
                                          cancelButtonTitle:@"OK"
                                          otherButtonTitles:nil];
    [alert show];
    [alert release];
}
else
{
    UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"Error"
                                                    message:@"Cannot zip Docs Folder"
                                                   delegate:nil
                                          cancelButtonTitle:@"OK"
                                          otherButtonTitles:nil];
    [alert show];
    [alert release];
}
[archiver release];

Answer 5

您可以使用zipArchive创建zip文件。 ZipArchive下载源代码并添加到您的应用程序文件夹中。

然后在你的头文件中添加：#import“ZipArchive / ZipArchive.h”

要创建zip文件很简单，只需使用以下代码：

BOOL ret = [zip CreateZipFile2:l_zipfile];
ret = [zip addFileToZip:l_photo newname:objectForZip];
      if( ![zip CloseZipFile2] )
      {

      }
      [zip release];

如何压缩文件

5 个答案: