[self.textField.rac_textSignal subscribeNext:^(NSString * _Nullable x) {
UITextRange *range = [self.textField markedTextRange];
//獲取高亮部分
UITextPosition *position = [self.textField positionFromPosition:range.start offset:0];
if (!position) {
if (x.length > 50) {
[###NoticeView showNoticeViewWithString:@"最多輸入50個(gè)字符"];
self.textField.text = [x substringToIndex:50];
}
}
}];[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(textFieldDidChange:) name:UITextFieldTextDidChangeNotification object:self.textView];
- (void)textFieldDidChange:(NSNotification *)notification {
UITextField *textField = notification.object;
UITextRange *range = [textField markedTextRange];
//獲取高亮部分
UITextPosition *position = [textField positionFromPosition:range.start offset:0];
if (!position) {
if (textField.text.length > 50) {
[###NoticeView showNoticeViewWithString:@"最多輸入50個(gè)字符"];
textField.text = [textField.text substringToIndex:50];
}
}
}
