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ios uitExtFiElD

UITextField *tfText = [[UITextField alloc] initWithFrame:CGRectMake(65, 200, 200, 30)]; tfText.backgroundColor = [UIColor colorWithRed:0.2 green:0.9 blue:0.5 alpha:0.3]; tfText.textAlignment = UITextAlignmentCenter; // Border S...

在iOS7以下我们可以通过UITextField的delegate方法来获取,如果直接输出textField.text会慢一拍。 - (BOOL)textField:(UITextField *)textField shouldChangeCharactersInRange:(NSRange)range replacementString:(NSString *)string { NSString...

1. 试试这个UITextField *tfText = [[UITextField alloc] initWithFrame:CGRectMake(65, 200, 200, 30)]; tfText.backgroundColor = [UIColor colorWithRed:0.2 green:0.9 blue:0.5 alpha:0.3]; tfText.textAlignment = UITextAlignmentCenter; ...

1.UITextField的初始化和设置 textField = [[UITextField alloc] initWithFrame:CGRectMake(120.0f, 80.0f, 150.0f, 30.0f)]; [textField setBorderStyle:UITextBorderStyleRoundedRect]; //外框类型 textField.placeholder = @"password"; //默...

//初始化textfield并设置位置及大小 UITextField *text = [[UITextField alloc]initWithFrame:CGRectMake(20, 20, 130, 30)]; //设置边框样式,只有设置了才会显示边框样式 text.borderStyle = UITextBorderStyleRoundedRect; typedef enum

UITextField *textfield常用的取消键盘方法. 1、在textfield所在的控制器中,实现UITextFieldDelegate的方法。 textfield.delegate = self; - (BOOL)textFieldShouldReturn:(UITextField *)textField { [textfield resignFirstResponder]; retur...

.h 不用写任何东西。 .m 里面重写你要修改的方法,加入NSLog后再调用原有的。例如: - (BOOL)textFieldShouldBeginEditing:(UITextField *)textField { NSLOG(@“something”); [super textFieldShouldBeginEditing:textField];}

我给你一段我很久以前写的小demo,你就明白了,是把textField套在alertView里的@interface ViewController : UIViewController { UILabel *la; UITextField *myTextField;}@implementation ViewController- (void)viewDidLoad{ [super viewDidLo...

- (BOOL)textField:(UITextField *)textField shouldChangeCharactersInRange:(NSRange)range replacementString:(NSString *)string “¥”单独用一个lable存放,并计算这个lable所需的宽度lbWidth; 在此回调方法中,计算 finalStr ( = textField...

h--t--tp://blog.csdn.net/leikezhu1981/article/details/13171923 自己去掉--

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