在程序document文件夹里边创建新的文件夹及删除文件夹

//

//  ViewController.m

//  12.18.04在document创建文件夹

//

//  Created by 张凯泽 on 15/12/18.

//  Copyright © 2015年 rytong_zkz. All rights reserved.

//

#import "ViewController.h"

@interface ViewController ()

@property(nonatomic,strong)NSFileManager *fileManager;//文件管理者

@property(nonatomic,copy)NSString *createPath;//文件夹imge

@property(nonatomic,copy)NSString *createDir;//文件夹MessageQueueImage

- (IBAction)deleteClick:(UIButton *)sender;

@end

@implementation ViewController

//创建文件管理者

-(NSFileManager *)fileManager

{

    if (_fileManager == nil) {

        _fileManager = [NSFileManager defaultManager];

    }

    return _fileManager;

}

//创建路径----在document中创建文件夹imge

-(NSString *)createPath

{

    if (_createPath == nil) {

        NSString *pathDocuments = [NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES) objectAtIndex:0];

        NSLog(@"pathDocuments = %@",pathDocuments);

        _createPath = [NSString stringWithFormat:@"%@/Image", pathDocuments];

    }

    return _createPath;

}

//创建路径----在document中创建文件夹MessageQueueImage

-(NSString *)createDir

{

    if (_createDir == nil) {

        NSString *pathDocuments = [NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES) objectAtIndex:0];

        //NSLog(@"pathDocuments = %@",pathDocuments);

        _createDir = [NSString stringWithFormat:@"%@/MessageQueueImage", pathDocuments];

    }

    return _createDir;

}

- (void)viewDidLoad {

    [super viewDidLoad];

    // 判断文件夹是否存在,如果不存在,则创建

    if (![self.fileManager fileExistsAtPath:self.createPath]) {

        [self.fileManager createDirectoryAtPath:self.createPath withIntermediateDirectories:YES attributes:nil error:nil];

        //创建文件MessageQueueImage

        [self.fileManager createDirectoryAtPath:self.createDir withIntermediateDirectories:YES attributes:nil error:nil];

       //把字符串写道新创建的文件里边去

        NSString * ss = @"ios";

        NSString * path = [NSString stringWithFormat:@"%@/ios.text", self.createPath];

        BOOL b = [ss writeToFile:path atomically:YES encoding:NSUTF8StringEncoding error:nil];

        if (b) {

            NSLog(@"write string ok");

        }else{

            NSLog(@"write string faluse");

        }

        

    } else {

        NSLog(@"FileDir is exists.");

    }

}

//删除document中的imge文件夹

- (IBAction)deleteClick:(UIButton *)sender {

    if ([self.fileManager fileExistsAtPath:self.createPath]) {

        NSError * error;

        BOOL b = [self.fileManager removeItemAtPath:self.createPath error:&error];

        if ( b) {

            NSLog(@"delete success");

        }

        else{

            NSLog(@"delete faulse");

        }

    }

}

@end

原文地址:https://www.cnblogs.com/zkzzkz/p/5058472.html