目录：
1.1 NSField
1.2 NSSecureTextField
1.1 初始化NSField
//mac os x的NSField相当于iOS的UILabel,自定义UILabel类。
NSTextField *title = [[NSTextField alloc]init];
[title setBordered:NO];
[title setEditable:NO];
[title setSelectable:NO];
title.stringValue = self.dataArray[row][@"title"];
[bgView addSubview:title];
NSSecureTextField
NSSecureTextField *title = [[NSSecureTextField alloc]initWithFrame:CGRectMake(100, 150, 199, 25)];
// [title setBordered:NO];
//
// [title setEditable:NO];
//
// [title setSelectable:NO];
title.stringValue = @"这样就是密文了";
[self.view addSubview:title];
屏幕快照 2016-08-31 下午6.43.54.png
