//创建输入框
UITextField *textField = [[UITextField alloc] initWithFrame:CGRectMake(80, 80, 180, 40)];
//设置边框类型
/*
UITextBorderStyleNone,
UITextBorderStyleLine,
UITextBorderStyleBezel,
UITextBorderStyleRoundedRect
*/
textField.borderStyle = UITextBorderStyleRoundedRect;
//设置字体的颜色
textField.textColor = [UIColor greenColor];
//设置对齐方式
textField.textAlignment = NSTextAlignmentCenter;
//设置字体的大小
textField.font = [UIFont systemFontOfSize:20];
// textField.font = [UIFont fontWithName:<#(NSString *)#> size:<#(CGFloat)#>]
//设置首字母大小写，默认首字母大写
/*
UITextAutocapitalizationTypeNone, 关闭大写
UITextAutocapitalizationTypeWords, 每一个单词的首字母大写
UITextAutocapitalizationTypeSentences,
UITextAutocapitalizationTypeAllCharacters, 所有字符大写
*/
textField.autocapitalizationType = UITextAutocapitalizationTypeNone;
//设置弹出键盘的样式
//UIKeyboardTypeNumberPad 数字
//UIKeyboardTypeEmailAddress 邮箱
//UIKeyboardTypeURL 网址
// textField.keyboardType = UIKeyboardTypeURL;
//设置return的样式
textField.returnKeyType = UIReturnKeyGo;
//设置弹出键盘
[textField becomeFirstResponder];
//设置安全输入模式
// textField.secureTextEntry = YES;
//设置清楚按钮
textField.clearButtonMode = UITextFieldViewModeWhileEditing;
//设置代理
textField.delegate = self;
//添加到视图上显示
[_window addSubview:textField];
return YES;
}
#pragma mark - UITextFieldDelegate
- (BOOL)textFieldShouldBeginEditing:(UITextField *)textField {
NSLog(@"将要开始编辑");
return YES;
}
- (void)textFieldDidBeginEditing:(UITextField *)textField {
NSLog(@"已经开始编辑");
}
- (BOOL)textFieldShouldEndEditing:(UITextField *)textField {
NSLog(@"将要结束编辑");
return YES;
}
- (void)textFieldDidEndEditing:(UITextField *)textField {
NSLog(@"已经结束编辑");
}
//return被点击的时候执行的代理方法
- (BOOL)textFieldShouldReturn:(UITextField *)textField {
NSLog(@"return被点击了");
//收起键盘
[textField resignFirstResponder];
return YES;
}
//开始编辑的时候调用的方法
- (BOOL)textField:(UITextField *)textField shouldChangeCharactersInRange:(NSRange)range replacementString:(NSString *)string {
NSLog(@"开始编辑了");
return YES;
}