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2013/06/05

[iOS] UILabel

我是UILabel,我單純的以標籤的方式顯示文字








第1步:建立一個名為"UILabel"的"Single View Application"專案
 

第2步:拖拉UILabel至畫面中



第3步:建立UILabel的IBOutlet物件參考於ViewController中
  • 3.1 對UILabel按右鍵,按任"New Referencing Outlet"右邊的圓點,並拖拉至ViewController類別中


  • 3.2 於"Name"欄位輸入"label",並按下"Connect"

  • 3.3 確認label Outlet建立完成


第4步:於"ViewController.m"實作檔中的viewDidLoad方法中,setText:方法變更UILabel上的文字為"Hello!"。


  1. - (void)viewDidLoad {

    [super viewDidLoad];


    //透過setText:方法變更標遷上的文字.


    [self.label setText:@"Hello!"]; 



第5步:執行程式,UILabel上的文字已經變更為"Hello!"





你想的沒錯! UILabel的文字基本上是固定不會變更的,因此可透過設定屬性的方式設定為"Hello!"字樣。

設定方式如下:
1.選取UILabel
2.選取Attributes Inspector(於右上方)
3.於文字Text欄位輸入"Hello!"




檔案連結:UILabel.zip