//
// ViewController.h
// UI2_UITextField
//
// Created by zhangxueming on 15/7/2.
// Copyright (c) 2015年 zhangxueming. All rights reserved.
//
#import <UIKit/UIKit.h>
@interface ViewController : UIViewController <UITextFieldDelegate> //遵守协议
@end
//
// ViewController.m
// UI2_UITextField
//
// Created by zhangxueming on 15/7/2.
// Copyright (c) 2015年 zhangxueming. All rights reserved.
//
#import "ViewController.h"
@interface ViewController ()
@end
@implementation ViewController
//UITextField --- 文本框
- (void)viewDidLoad {
[super viewDidLoad];
// Do any additional setup after loading the view, typically from a nib.
UITextField *textField = [[UITextField alloc] initWithFrame:CGRectMake(20, 100, self.view.frame.size.width-40, 50)];
textField.backgroundColor = [UIColor cyanColor];
//设置文本框的风格
//设置圆角型风格
textField.borderStyle = UITextBorderStyleRoundedRect;
//设置默认提示文本,当开始编辑内容时候, 提示内容消失
textField.placeholder = @"请输入文字";
//设置文本框初始内容
textField.text = @"hello world";
//设置文本内容颜色
textField.textColor = [UIColor redColor];
//设置文本内容字体
textField.font = [UIFont boldSystemFontOfSize:24];
//设置文本对齐方式
//textField.textAlignment = NSTextAlignmentCenter;
//设置编辑文本时,清空原文本内容
textField.clearsOnBeginEditing = YES;
//设置显示清除按钮
//UITextFieldViewModeNever,
//UITextFieldViewModeWhileEditing,
//UITextFieldViewModeUnlessEditing,
//UITextFieldViewModeAlways
textField.clearButtonMode = UITextFieldViewModeAlways;
//设置左视图
UIImageView *leftImageView = [[UIImageView alloc] initWithImage:[UIImage imageNamed:@"003.png"]];
//设置左视图的origin位置无效
leftImageView.frame = CGRectMake(0, 0, 30, 30);
textField.leftViewMode = UITextFieldViewModeAlways;
textField.leftView = leftImageView;
//设置右视图
UIImageView *rightImageView = [[UIImageView alloc] initWithImage:[UIImage imageNamed:@"icon.png"]];
rightImageView.frame = CGRectMake(0, 0, 30, 30);
textField.rightViewMode = UITextFieldViewModeAlways;
textField.rightView = rightImageView;
//在模拟器上切换键盘 command + K
//shift + command + k 开启电脑键盘
//设置暗文输入
textField.secureTextEntry = YES;
//设置键盘风格
//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,
textField.keyboardType = UIKeyboardTypeURL;
//设置键盘return键风格
textField.returnKeyType = UIReturnKeyDone;
//设置竖直方向对齐方式
textField.contentVerticalAlignment = UIControlContentVerticalAlignmentCenter;
//设置水平方向对齐方式
//textField.contentHorizontalAlignment = UIControlContentHorizontalAlignmentCenter;
textField.delegate = self;
UITextField *secondTextField = [[UITextField alloc] initWithFrame:CGRectMake(20, 200, self.view.frame.size.width-40, 50)];
secondTextField.backgroundColor = [UIColor yellowColor];
secondTextField.borderStyle = UITextBorderStyleRoundedRect;
secondTextField.secureTextEntry = YES;
[self.view addSubview:secondTextField];
//设置window第一响应者身份
[secondTextField becomeFirstResponder];
//设置viewController作为textField的代理
secondTextField.delegate = self;
[self.view addSubview:textField];
UILabel *label= [[UILabel alloc] initWithFrame:CGRectMake(20, 300, self.view.frame.size.width-40, 50)];
label.backgroundColor = [UIColor grayColor];
label.tag = 100;
[self.view addSubview:label];
}
//代码标签
#pragma mark ----UITextFieldDelegate----
- (BOOL)textFieldShouldBeginEditing:(UITextField *)textField
{
NSLog(@"将要开始编辑");
return YES;//返回NO不能进行后续的编辑
}
- (void)textFieldDidBeginEditing:(UITextField *)textField
{
NSLog(@"文本开始编辑");
}
- (BOOL)textFieldShouldEndEditing:(UITextField *)textField
{
NSLog(@"将要结束编辑");
return YES;
}
- (void)textFieldDidEndEditing:(UITextField *)textField
{
NSLog(@"文本编辑结束");
UILabel *label = (UILabel *)[self.view viewWithTag:100];
label.text = textField.text;
}
- (BOOL)textFieldShouldReturn:(UITextField *)textField
{
NSLog(@"returnKey被点击");
//隐藏键盘
[textField resignFirstResponder];
return YES;
}
- (void)didReceiveMemoryWarning {
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
}
@end
转载于:https://www.cnblogs.com/0515offer/p/4638530.html
