IOS在Document目錄下建立檔案夾、儲存、讀取、以及刪除檔案

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 1     //  在Documents目錄下建立一個名為LaunchImage的檔案夾 2     NSString *path = [[NSHomeDirectory() stringByAppendingPathComponent:@"Documents"] stringByAppendingPathComponent:@"LaunchImage"]; 3     NSLog(@"%@",path); 4      5     NSFileManager *fileManager = [NSFileManager defaultManager]; 6     BOOL isDir = FALSE; 7     BOOL isDirExist = [fileManager fileExistsAtPath:path isDirectory:&isDir]; 8     if(!(isDirExist && isDir)) 9         10     {11         BOOL bCreateDir = [fileManager createDirectoryAtPath:path withIntermediateDirectories:YES attributes:nil error:nil];12         if(!bCreateDir){13             NSLog(@"建立檔案夾失敗！");14         }15         NSLog(@"建立檔案夾成功，檔案路徑%@",path);16     }17     18     UIImage *image=[UIImage imageWithContentsOfFile:@"testimage.png"];19     NSData *data = UIImagePNGRepresentation(image);20     //將testimage.png儲存到LaunchImage檔案夾下，新名稱為image1.png21          BOOL isSaved=   [fileManager createFileAtPath:[path stringByAppendingString:@"/image1.png"] contents:data attributes:nil];22     NSLog(@"圖片儲存狀態：%d",isSaved);23     24     //擷取儲存的圖片25     UIImage *newimage=[UIImage imageWithContentsOfFile:[path stringByAppendingString:@"/image1.png"]];26    27 //   刪除檔案28      BOOL isDelete=[fileManager removeItemAtPath:path error:nil];29     NSLog(@"%d",isDelete);

 

IOS在Document目錄下建立檔案夾、儲存、讀取、以及刪除檔案