拷贝指定文件夹里的内容到指定目录下

/**
 拷贝指定文件夹里的内容到指定目录下
 
 @param sourcePath 源文件夹
 @param toPath 目标文件夹
 @return 是否完成拷贝
 */
-(BOOL)copyFileFromPath:(NSString *)sourcePath toPath:(NSString *)toPath

{
    BOOL copySucceed = YES;
    
    NSFileManager *fileManager = [NSFileManager defaultManager];
    
    if (![fileManager fileExistsAtPath:toPath]) {
        NSError *error = nil;
        [fileManager createDirectoryAtPath:toPath withIntermediateDirectories:YES attributes:nil error:&error];
        if (error) {
            //TODO 创建指定拷贝目录时候失败
        }
    }
    
    
    NSArray* array = [fileManager contentsOfDirectoryAtPath:sourcePath error:nil];
    
    for(int i = 0; i<[array count]; i++)
        
    {
        
        NSString *fullPath = [sourcePath stringByAppendingPathComponent:[array objectAtIndex:i]];
        
        NSString *fullToPath = [toPath stringByAppendingPathComponent:[array objectAtIndex:i]];
        
        //判断是不是文件夹
        
        BOOL isFolder = NO;
        
        //判断是不是存在路径 并且是不是文件夹
        
        BOOL isExist = [fileManager fileExistsAtPath:fullPath isDirectory:&isFolder];
        
        if (isExist)
            
        {
            
            NSError *err = nil;
            
            [[NSFileManager defaultManager] copyItemAtPath:fullPath toPath:fullToPath error:&err];
            
            if (err) {
                copySucceed=NO;
            }
            
            if (isFolder)
                
            {
                
                [self copyFileFromPath:fullPath toPath:fullToPath];
                
            }
            
        }
        
    }
    
    return copySucceed;
}