UITextField

//设置边框模式

tf.borderStyle = UITextBorderStyleRoundedRect;

//设置最小字体

tf.minimumFontSize = 15;

//设置默认文本

tf.text = @”username”;

//编辑时自动清空

tf.clearsOnBeginEditing = YES;

//设置删除按钮显示模式

tf.clearButtonMode = UITextFieldViewModeWhileEditing;

//开启密码输入模式

//tf.secureTextEntry = YES;

//垂直方向的对齐方式,容易忽略

tf.contentVerticalAlignment = UIControlContentVerticalAlignmentCenter;

//水平方向的对齐方式

tf.textAlignment = NSTextAlignmentCenter;

//设置自动大写

tf.autocapitalizationType = UITextAutocapitalizationTypeAllCharacters;

//自动校正模式(提示)

tf.autocorrectionType = UITextAutocorrectionTypeYes;

//设置键盘种类

//tf.keyboardType = UIKeyboardTypeNumberPad;

//设置代理

tf.delegate = self;

/设置正常状态下的背景图

tf.background = [UIImage imageNamed:@”normalbg”];

//设置禁用状态下的背景图，在tf.enabled为NO时显示

tf.disabledBackground = [UIImage imageNamed:@”disable”];

//设置左边视图||//设置右边视图，会覆盖掉clearButton

tf.leftView = leftView;

tf.leftViewMode = UITextFieldViewModeAlways;

//代理方法之一
//是否结束编辑
- (BOOL)textFieldShouldEndEditing:(UITextField *)textField
{
if (textField.text.length < 6) {
return NO;
}
return YES;
}

//递归查找第一响应者,自己实现
- (UITextField *)searchFirstResponderOnView:(UIView *)view
{
for (UITextField *subView in view.subviews) {
if ([subView isFirstResponder]) {
return subView;
} else {
UITextField *grandchild = [self searchFirstResponderOnView:subView];
if (grandchild) {
return grandchild;
}
}
}
return nil;
}

//定制二级键盘

_textField.inputAccessoryView = [self customAccessoryView];

//设置主键盘

_textField.inputView = view;

#pragma mark - 监听键盘
-(void)monitorKeyboard
{
//监听键盘弹出
[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(keyboardWillShow:) name:UIKeyboardWillShowNotification object:nil];
//监听键盘收起
[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(keyboardWillHide:) name:UIKeyboardWillHideNotification object:nil];
}

- (void)keyboardWillShow:(NSNotification *)news
{
//NSLog(@"%@", news.userInfo);
NSValue *value = [news.userInfo objectForKey:UIKeyboardFrameEndUserInfoKey];
//转换成frame
CGRect frame = [value CGRectValue];

CGPoint center = _textField.center;
center.y -= frame.size.height;
_textField.center = center;
}

- (void)keyboardWillHide:(NSNotification *)news
{
//NSLog(@"%@", news.userInfo);
NSValue *value = [news.userInfo objectForKey:UIKeyboardFrameEndUserInfoKey];
//转换成frame
CGRect frame = [value CGRectValue];

CGPoint center = _textField.center;
center.y += frame.size.height;
_textField.center = center;
}

//结束监听

[[NSNotificationCenter defaultCenter] removeObserver:self];