蜗牛爱课－ iOS中plist的创建，数据写入与读取

iOS中plist的创建，数据写入与读取功能创建一个test.plist文件
-(void)triggerStorage
{
    NSArray *paths=NSSearchPathForDirectoriesInDomains(NSDocumentDirectory,NSUserDomainMask,YES);
    NSString *path=[paths    objectAtIndex:0];  
    NSString *filename=[path stringByAppendingPathComponent:@"test.plist"];   //获取路径
    NSDictionary* dic2 = [NSDictionary dictionaryWithContentsOfFile:filename];  //读取数据
   NSLog(@"dic2 is:%@",dic2); 
 
   //创建一个dic，写到plist文件里
    NSDictionary* dic = [NSDictionary dictionaryWithObjectsAndKeys:displayLabel.text,@"IP",nil]; //写入数据
    [dic writeToFile:filename atomically:YES];

//读文件
    NSDictionary* dic2 = [NSDictionary dictionaryWithContentsOfFile:filename];
    NSLog(@"dic is:%@",dic2);
}

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