iOS 文件压缩与解压缩：SSZipArchive 使用详解

//
//  ViewController.m
//  ToBeOk
//
//  Created by administrator on 2022/11/9.
//
 
#import "ViewController.h"
#import "SSZipArchive.h"
 
@interface ViewController ()<SSZipArchiveDelegate>
 
@end
 
@implementation ViewController
 
- (instancetype) init {
    self = [super init];
    if (self) {
      }
    return self;
}
 
- (void)viewDidLoad {
    [super viewDidLoad];
    // Do any additional setup after loading the view.
    UIView *view = [[UIView alloc] init];
    view.backgroundColor = [UIColor grayColor];
    view.frame = CGRectMake(100,100, 100, 100);
    [self.view addSubview:view];
 
    view.userInteractionEnabled = YES;
    UITapGestureRecognizer *tap = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(loadScriptWithBridge)];
    [view addGestureRecognizer:tap];
 
}
 
- (void)loadScriptWithBridge {
    NSLog(@"6666ClickME");
 
    // 本地沙盒可以直接通过 NSBundle 获取到位
    /* path 就是这个 file:///Users/administrator/Library/Developer/CoreSimulator/Devices/9BC4CA61-C14B-467E-BE6B-686272BB128C/data/Containers/Bundle/Application/04F4A1D8-6679-480E-8F22-11528B1EEA84/ToBeOk.app/
*/
    /*
NSString *locaPath =  [[NSBundle mainBundle] resourceURL];
NSString *pathString = [[NSBundle mainBundle] URLForResource:@"assets/abc" withExtension:@"js"].path;
*/
 
    [self createZipFile];
    [self unzipFile];
 
}
 
//压缩
- (void)createZipFile  {
    NSString *targetPath = [[NSBundle mainBundle] resourcePath];
 
    //源文件路径
    NSString *sourceFilePath = [targetPath stringByAppendingString:@"/assets/abc.js"];
 
    //目的路径
    NSString *tarPath = [targetPath stringByAppendingString:@"/assets/z.zip"];
 
    //数组里可以放多个源文件，这些文件会被同一打包成压缩包，到 destinationPath 这个路径下。
    if ([SSZipArchive createZipFileAtPath:tarPath withFilesAtPaths:@[sourceFilePath]]) {
        NSLog(@"压缩成功");
    }
    else {
        NSLog(@"压缩失败");
    }
}
 
//解压
- (void)unzipFile {
 
    NSString *targetPath = [[NSBundle mainBundle] resourcePath];
 
    // 原文件路径
    NSString *sourceFilePath = [[NSBundle mainBundle] URLForResource:@"assets/z" withExtension:@"zip"].path;
 
    //目标路径
    NSString *destinationPath = [targetPath stringByAppendingString:@"/uzip/"];
 
    //把 sourceFilePath 这个路径下的zip包，解压到这个 destinationPath 路径下
    if ([SSZipArchive unzipFileAtPath:sourceFilePath toDestination:destinationPath] ){
        NSLog(@"解压成功");
        // 读取数据 🤔
        NSURL *URL = [[NSBundle mainBundle] URLForResource:@"uzip/abc" withExtension:@"js"];
    }
    else {
        NSLog(@"解压失败");
    }
}
 
  // SSZipArchive 需要指定的 deleget
  #pragma mark - SSZipArchiveDelegate
  - (void)zipArchiveWillUnzipArchiveAtPath:(NSString *)path zipInfo:(unz_global_info)zipInfo {
    NSLog(@"将要解压。");
}
 
  - (void)zipArchiveDidUnzipArchiveAtPath:(NSString *)path zipInfo:(unz_global_info)zipInfo unzippedPath:(NSString *)unzippedPat uniqueId:(NSString *)uniqueId {
    NSLog(@"解压完成！");
}
  @end