iOS 解压和压缩(请求.zip接口)

//
//  JYHRepaymentController.m
//  JYH_iOS
//
//  Created by Angela on 2017/8/28.
//  Copyright © 2017年 Angela. All rights reserved.
//工具链接  https://github.com/ZipArchive/ZipArchive 



#import "JYHFindController.h"

#import "ZipArchive.h"

@interface JYHFindController ()<SSZipArchiveDelegate>
@property (nonatomic, strong) UIWebView *findWebView;
@property (nonatomic, copy) NSString *orderHtmlStr;
@end
@implementation JYHFindController
- (void)viewDidLoad {
    [super viewDidLoad];

    [self findwebUI];
}
-(void)findwebUI{
    self.findWebView=[[UIWebView alloc]initWithFrame:self.view.bounds];
    JYHBaseWebController *findWebVC=[[JYHBaseWebController alloc]init];
    [self.view addSubview:findWebVC.view];
    [findWebVC.view addSubview:self.findWebView];
    [self downFileFromServer];
    self.orderHtmlStr=@"creditCard";
    NSArray *documentArray =  NSSearchPathForDirectoriesInDomains(NSLibraryDirectory, NSUserDomainMask, YES);
    NSString *path = [[documentArray lastObject] stringByAppendingPathComponent:@"Preferences"];
    NSURL *url=[NSURL fileURLWithPath:[NSString stringWithFormat:@"%@/%@/index.html",path,self.orderHtmlStr]];
    NSString *urlStr = [url absoluteString];
    urlStr = [urlStr stringByReplacingOccurrencesOfString:@"file://" withString:@""];
    NSURL * URL = [NSURL URLWithString:urlStr];
    NSURLRequest *request=[NSURLRequest requestWithURL:URL];
    [self.findWebView loadRequest:request];
}
- (void)downFileFromServer{
    //远程地址
    NSURL *URL = [NSURL URLWithString:@"http://zip.yourcard.com.cn/zip/creditCard.zip"];
    //默认配置
    NSURLSessionConfiguration *configuration = [NSURLSessionConfiguration defaultSessionConfiguration];
    //AFN3.0+基于封住URLSession的句柄
    AFURLSessionManager *manager = [[AFURLSessionManager alloc] initWithSessionConfiguration:configuration];
    //请求
    NSURLRequest *request = [NSURLRequest requestWithURL:URL];
    //下载Task操作
    NSURLSessionDownloadTask * downloadTask= [manager downloadTaskWithRequest:request progress:^(NSProgress * _Nonnull downloadProgress) {
        // 下载进度
    } destination:^NSURL * _Nonnull(NSURL * _Nonnull targetPath, NSURLResponse * _Nonnull response) {
        //- block的返回值, 要求返回一个URL, 返回的这个URL就是文件的位置的路径
        NSString *cachesPath = [NSSearchPathForDirectoriesInDomains(NSCachesDirectory, NSUserDomainMask, YES) lastObject];
        NSFileManager *fileManager = [NSFileManager defaultManager];
        NSArray *contents = [fileManager contentsOfDirectoryAtPath:cachesPath error:NULL];
        NSEnumerator *e = [contents objectEnumerator];
        NSString *filename;
        NSString *extension = @"zip";
        while ((filename = [e nextObject])) {
            
            if ([[filename pathExtension] isEqualToString:extension]) {
                
                [fileManager removeItemAtPath:[cachesPath stringByAppendingPathComponent:filename] error:NULL];
            }
        }
        NSString *path = [cachesPath stringByAppendingPathComponent:response.suggestedFilename];
        return [NSURL fileURLWithPath:path];
    } completionHandler:^(NSURLResponse * _Nonnull response, NSURL * _Nullable filePath, NSError * _Nullable error) {
        //设置下载完成操作
        // filePath就是你下载文件的位置，你可以解压，也可以直接拿来使用
        NSString *htmlFilePath = [filePath path];// 将NSURL转成NSString
        NSArray *documentArray =  NSSearchPathForDirectoriesInDomains(NSLibraryDirectory, NSUserDomainMask, YES);
        NSString *path = [[documentArray lastObject] stringByAppendingPathComponent:@"Preferences"];
        NSFileManager *fileManager = [NSFileManager defaultManager];
        [fileManager removeItemAtPath:[NSString stringWithFormat:@"%@",path] error:nil];
        [self releaseZipFilesWithUnzipFileAtPath:htmlFilePath Destination:path];
    }];
    [downloadTask resume];
}
// 解压
- (void)releaseZipFilesWithUnzipFileAtPath:(NSString *)zipPath Destination:(NSString *)unzipPath{
    NSError *error;
    if ([SSZipArchive unzipFileAtPath:zipPath toDestination:unzipPath overwrite:YES password:nil error:&error delegate:self]) {
        NSLog(@"success");
        NSLog(@"unzipPath = %@",unzipPath);
    }else {
        NSLog(@"%@",error);
    }
}
#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！");
}

- (void)didReceiveMemoryWarning {
    [super didReceiveMemoryWarning];
}

@end