IOS Foundation文件操作实例分析

作者:朱克锋

邮箱:zhukefeng@iboxpay.com

转载请注明出处:http://blog.csdn.net/linux_zkf

//创建文件句柄

NSFileManager *fm = [NSFileManagerdefaultManager];

//从沙盒中列出Documents文件夹

NSString *path = [NSHomeDirectory()stringByAppendingPathComponent:@"Documents"];

NSLog(@"%@",[fmdirectoryContentsAtPath:path]);

//从应用bundle中列出文件夹

path = [[NSBundlemainBundle] bundlePath];

NSLog(@"%@",[fmdirectoryContentsAtPath:path]);

// 从应用bundle中查出文件路径

NSBundle *mb = [NSBundlemainBundle];

NSLog(@"%@", [mbpathForResource:@"Default"ofType:@"png"]);


NSError *error;

// 创建文件

NSString *docspath = [NSHomeDirectory()stringByAppendingPathComponent:@"Documents"];

NSString *filepath = [NSHomeDirectory()stringByAppendingPathComponent:@"Documents/testfile"];

NSArray *array = [@"One Two Three"componentsSeparatedByString:@" "];

[array writeToFile:filepathatomically:YES];

NSLog(@"%@", [fmdirectoryContentsAtPath:docspath]);

// Copy 文件

NSString *copypath = [NSHomeDirectory()stringByAppendingPathComponent:@"Documents/copied"];

if (![fmcopyItemAtPath:filepath toPath:copypatherror:&error])

{

NSLog(@"Copy Error: %@", [errorlocalizedDescription]);

return;

}

NSLog(@"%@", [fmdirectoryContentsAtPath:docspath]);

// 移动文件

NSString *newpath = [NSHomeDirectory()stringByAppendingPathComponent:@"Documents/renamed"];

if (![fmmoveItemAtPath:filepath toPath:newpatherror:&error])

{

NSLog(@"Move Error: %@", [errorlocalizedDescription]);

return;

}

NSLog(@"%@", [fmdirectoryContentsAtPath:docspath]);

// 删除文件

if (![fmremoveItemAtPath:copypath error:&error])

{

NSLog(@"Remove Error: %@", [errorlocalizedDescription]);

return;

}

NSLog(@"%@", [fmdirectoryContentsAtPath:docspath]);



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