#pragma mark----初始化
- (void)initTextField{
_testTextField = [[UITextField alloc]init];
[self.view addSubview:_testTextField];
_testTextField.keyboardType = UIKeyboardTypeDecimalPad;
_testTextField.frame = CGRectMake(100, 100, 200, 30);
_testTextField.backgroundColor = [UIColor yellowColor];
_testTextField.textColor = [UIColor redColor];
_testTextField.delegate =self;
_testTextField.placeholder = @"金额";
}
- (void)textFieldDidChange:(UITextField *)textField{
NSLog(@"%@",textField.text);
}
- (BOOL)textField:(UITextField *)textField shouldChangeCharactersInRange:(NSRange)range replacementString:(NSString *)string{
if (textField == _testTextField) {
if ([string isEqualToString:@""]) return YES;
NSString *str = [NSString stringWithFormat:@"%.1f",[textField.text floatValue]*10];
if ([str integerValue] !=[textField.text floatValue]*10) {
return NO;
}
return YES;
}
return YES;
}
