UITextField:

UITextField是常用的输入控件,控制文本输入和显示的控件,允许用户编辑(输入)


1.初始化textfield并设置位置及大小

UITextField *text = [[UITextField alloc]initWithFrame:CGRectMake(20, 20, 130, 30)];

2.设置边框样式,只有设置了才会显示边框样式

text.borderStyle = UITextBorderStyleRoundedRect;

边框样式

typedef enum {

UITextBorderStyleNone,

UITextBorderStyleLine,

UITextBorderStyleBezel,

UITextBorderStyleRoundedRect

} UITextBorderStyle;

3.设置输入框的背景颜色,此时设置为白色如果使用了自定义的背景图片边框会被忽略掉

text.backgroundColor = [UIColor whiteColor];

4.设置背景

text.background = [UIImage p_w_picpathNamed:@"dd.png"];

5.设置背景

text.disabledBackground = [UIImage p_w_picpathNamed:@"cc.png"];


6.当输入框没有内容时,水印提示提示内容为password

text.placeholder = @"password";

7.设置输入框内容的字体样式和大小

text.font = [UIFont fontWithName:@"Arial" size:20.0f];

8.设置字体颜色

text.textColor = [UIColor redColor];

9.输入框中是否有个叉号,在什么时候显示,用于一次性删除输入框中的内容

text.clearButtonMode = UITextFieldViewModeAlways;

typedef enum {

UITextFieldViewModeNever,重不出现

UITextFieldViewModeWhileEditing,编辑时出现

UITextFieldViewModeUnlessEditing,除了编辑外都出现

UITextFieldViewModeAlways 一直出现

} UITextFieldViewMode;

10.每输入一个字符就变成点用语密码输入

text.secureTextEntry = YES;

11.是否纠错

text.autocorrectionType = UITextAutocorrectionTypeNo;

typedef enum {

UITextAutocorrectionTypeDefault,默认

UITextAutocorrectionTypeNo, 不自动纠错

UITextAutocorrectionTypeYes,自动纠错

} UITextAutocorrectionType;


12.再次编辑就清空

text.clearsOnBeginEditing = YES;

13.内容对齐方式

text.textAlignment = UITextAlignmentLeft;

14.内容的垂直对齐方式 UITextField继承自UIControl,此类中有一个属性contentVerticalAlignment

text.contentVerticalAlignment = UIControlContentVerticalAlignmentCenter;

15.设置为YES时文本会自动缩小以适应文本窗口大小.默认是保持原来大小,而让长文本滚动

textFied.adjustsFontSizeToFitWidth = YES;

16.设置自动缩小显示的最小字体大小

text.minimumFontSize = 20;


17.设置键盘的样式

text.keyboardType = UIKeyboardTypeNumberPad;

typedef enum {

UIKeyboardTypeDefault, 默认键盘,支持所有字符

UIKeyboardTypeASCIICapable,支持ASCII的默认键盘

UIKeyboardTypeNumbersAndPunctuation,标准电话键盘,支持+*#字符

UIKeyboardTypeURL, URL键盘,支持.com按钮只支持URL字符

UIKeyboardTypeNumberPad, 数字键盘

UIKeyboardTypePhonePad, 电话键盘

UIKeyboardTypeNamePhonePad, 电话键盘,也支持输入人名

UIKeyboardTypeEmailAddress, 用于输入电子邮件地址的键盘

UIKeyboardTypeDecimalPad, 数字键盘有数字和小数点

UIKeyboardTypeTwitter, 优化的键盘,方便输入@、#字符

} UIKeyboardType;

18.首字母是否大写

text.autocapitalizationType = UITextAutocapitalizationTypeNone;

typedef enum {

UITextAutocapitalizationTypeNone,不自动大写

UITextAutocapitalizationTypeWords,单词首字母大写

UITextAutocapitalizationTypeSentences,句子的首字母大写

UITextAutocapitalizationTypeAllCharacters,所有字母都大写

} UITextAutocapitalizationType;

19.return键变成什么键

text.returnKeyType =UIReturnKeyDone;

typedef enum {

UIReturnKeyDefault,默认灰色按钮,标有Return

UIReturnKeyGo, 标有Go的蓝色按钮

UIReturnKeyGoogle,标有Google的蓝色按钮,用语搜索

UIReturnKeyJoin,标有Join的蓝色按钮

UIReturnKeyNext,标有Next的蓝色按钮

UIReturnKeyRoute,标有Route的蓝色按钮

UIReturnKeySearch,标有Search的蓝色按钮

UIReturnKeySend,标有Send的蓝色按钮

UIReturnKeyYahoo,标有Yahoo的蓝色按钮

UIReturnKeyEmergencyCall,紧急呼叫按钮

} UIReturnKeyType;

20.键盘外观

textView.keyboardAppearance=UIKeyboardAppearanceDefault;

typedef enum {

UIKeyboardAppearanceDefault,默认外观,浅灰色

UIKeyboardAppearanceAlert, 深灰石墨色

} UIReturnKeyType;