ios将数据保存到本地数据

第一步

NSArray *paths=NSSearchPathForDirectoriesInDomains(NSDocumentDirectory,NSUserDomainMask,YES);  www.2cto.com

NSString *path=[paths    objectAtIndex:0];

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

NSString *filename=[path stringByAppendingPathComponent:@"test.plist"];

NSFileManager* fm = [NSFileManager defaultManager];

[fm createFileAtPath:filename contents:nil attributes:nil];

//NSDictionary* dic = [NSDictionary dictionaryWithContentsOfFile:plistPath];

//创建一个dic，写到plist文件里

NSDictionary* dic = [NSDictionary dictionaryWithObjectsAndKeys:@"sina",@"1",@"163",@"2",nil];

[dic writeToFile:filename atomically:YES];

//读文件

NSDictionary* dic2 = [NSDictionary dictionaryWithContentsOfFile:filename];

NSLog(@"dic is:%@",dic2);