textfield是什么意思啊

textfield的意思为“文本框;文本域;文本字段;文本区;文字字段”，它是java Swing桌面应用中的一个文本框组件，能够实现文本的输入和输出，textfield有许多功能方法可以使用，丰富组件。

textfield有许多功能方法，这里介绍一部分：

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

text.borderStyle = UITextBorderStyleRoundedRect; typedef enum { UITextBorderStyleNone, UITextBorderStyleLine, UITextBorderStyleBezel, UITextBorderStyleRoundedRect } UITextBorderStyle;

text.backgroundColor = [UIColor whiteColor];

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

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

text.placeholder = @"password";

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

text.textColor = [UIColor redColor];

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;

text.text = @"一开始就在输入框的文字";

text.secureTextEntry = YES;

text.autocorrectionType = UITextAutocorrectionTypeNo; typedef enum {UITextAutocorrectionTypeDefault,  默认UITextAutocorrectionTypeNo,  不自动纠错UITextAutocorrectionTypeYes,  自动纠错} UITextAutocorrectionType;

text.clearsOnBeginEditing = YES;

text.textAlignment = UITextAlignmentLeft;

text.contentVerticalAlignment = UIControlContentVerticalAlignmentCenter;

textFied.adjustsFontSizeToFitWidth = YES;

text.minimumFontSize = 20;

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UIKeyboardTypeAlphabet = UIKeyboardTypeASCIICapable,} UIKeyboardType;

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;

text.returnKeyType =UIReturnKeyDone; typedef enum { UIReturnKeyDefault, 默认 灰色按钮，标有 ReturnUIReturnKeyGo, 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UIReturnKeyYahoo,  标有Yahoo的蓝色按钮UIReturnKeyEmergencyCall,  紧急呼叫按钮} UIReturnKeyType;

textView.keyboardAppearance=UIKeyboardAppearanceDefault； typedef enum  {UIKeyboardAppearanceDefault，  默认外观，浅灰色UIKeyboardAppearanceAlert， 深灰 石墨色 } UIReturnKeyType;

text.delegate = self;

[self.window addSubview:text];

UIImageView *image=[[UIImageView alloc] initWithImage:[UIImage imageNamed:@"right.png"]]; text.rightView=image; text.rightViewMode = UITextFieldViewModeAlways;

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