iOS开发UITextField设置

// 设置边框样式

/* UITextBorderStyleNone, 无边框，默认 UITextBorderStyleLine, 直线边框 UITextBorderStyleBezel, 边框 ＋ 阴影 UITextBorderStyleRoundedRect 圆角矩形边框 */ textField.borderStyle = UITextBorderStyleLine; // 设置背景颜色 /* 默认是透明的 */ textField.backgroundColor = [UIColor yellowColor]; // 设置背景图片 textField.background = [UIImage imageNamed:@"pic2"]; // 设置提示文字 /* 用户输入时自动消失 */ textField.placeholder = @"请输入用户名"; // 设置输入的字体颜色 textField.textColor = [UIColor redColor]; // 设置文字对齐方式 textField.textAlignment = NSTextAlignmentLeft; // 设置最小可缩小的字号 textField.minimumFontSize = 10; // 自动调整文字大小 /* 自动调整文字的大小以适应 textField 的宽度 */ textField.adjustsFontSizeToFitWidth = YES; // 设置密文输入模式 /* default is NO */ textField.secureTextEntry = YES; // 设置显示清除按钮 /* UITextFieldViewModeNever, // default UITextFieldViewModeWhileEditing, UITextFieldViewModeUnlessEditing, UITextFieldViewModeAlways */ textField.clearButtonMode = UITextFieldViewModeWhileEditing; // 设置键盘样式 /* UIKeyboardTypeDefault, // Default type for the current input method. UIKeyboardTypeASCIICapable, // Displays a keyboard which can enter ASCII characters, // non-ASCII keyboards remain active UIKeyboardTypeNumbersAndPunctuation, // Numbers and assorted punctuation. UIKeyboardTypeURL, // A type optimized for URL entry. UIKeyboardTypeNumberPad, // A number pad (0-9). Suitable for PIN entry. UIKeyboardTypePhonePad, // A phone pad (1-9, *, 0, #, with letters under the numbers). UIKeyboardTypeNamePhonePad, // A type optimized for entering a person's name or phone number. UIKeyboardTypeEmailAddress, // A type optimized for multiple email address entry. UIKeyboardTypeDecimalPad, // A number pad with a decimal point. UIKeyboardTypeTwitter, // A type optimized for twitter text entry (easy access to @ #) UIKeyboardTypeWebSearch, // A default keyboard type with URL-oriented addition. UIKeyboardTypeAlphabet = UIKeyboardTypeASCIICapable, // Deprecated */ textField.keyboardType = UIKeyboardTypeDefault; // 设置返回键样式 /* UIReturnKeyDefault, UIReturnKeyGo, UIReturnKeyGoogle, UIReturnKeyJoin, UIReturnKeyNext, UIReturnKeyRoute, UIReturnKeySearch, UIReturnKeySend, UIReturnKeyYahoo, UIReturnKeyDone, UIReturnKeyEmergencyCall, UIReturnKeyContinue NS_ENUM_AVAILABLE_IOS(9_0), */ textField.returnKeyType = UIReturnKeyJoin; // 设置输入的字母大小写模式 /* UITextAutocapitalizationTypeNone, UITextAutocapitalizationTypeWords, UITextAutocapitalizationTypeSentences, UITextAutocapitalizationTypeAllCharacters, */ textField.autocapitalizationType = UITextAutocapitalizationTypeWords; // 设置左右视图显示模式 /* 不设置模式，左右视图显示不出来 UITextFieldViewModeNever, UITextFieldViewModeWhileEditing, UITextFieldViewModeUnlessEditing, UITextFieldViewModeAlways */ textField.leftViewMode = UITextFieldViewModeAlways; textField.rightViewMode = UITextFieldViewModeAlways; // 设置左右视图 textField.leftView = label1; textField.rightView = label2; // 让 textField 获取第一响应 /* 打开应用程序或界面时直接弹出键盘 */ [textField becomeFirstResponder]; // 让 textField 放弃第一响应 /* 收起键盘 */ [textField resignFirstResponder]; // 设置 textField 的代理，需遵守协议 <UITextFieldDelegate> textField.delegate = self;