2011-05-21 75 views

回答

5

設置clearButtonMode

field.clearButtonMode = UITextFieldViewModeAlways; 
field.clearButtonMode = UITextFieldViewModeNever; 
field.clearButtonMode = UITextFieldViewModeUnlessEditing; 
field.clearButtonMode = UITextFieldViewModeWhileEditing; 

,或者使用界面生成器,它具有用於清除按鈕的設置爲好。

0

設置文本字段的clearButtonMode。見here