NSString封存到本地，读取

2013-12-22

NSString保存到本地，读取保存到本地： NSError *error NULLBOOL success [str writeToFile:document_c

NSString保存到本地，读取

保存到本地：

 NSError *error = NULL;        BOOL success = [str writeToFile:document_cache_forum_top atomically:YES encoding:NSUTF8StringEncoding error:&error];        if(!success)        {            NSLog( @"error saving to %@ - %@", document_cache_forum_top, [error localizedDescription] );        }

读取str：

NSError *error = NULL;        NSString *str = [NSString stringWithContentsOfFile:document_cache_forum_top encoding:NSUTF8StringEncoding error:&error];