1) <input id="email" type="email" class="form-control" name="email" value="{{ old('email') }}">
2) <input type="text" class="form-control" name="notice_title" id="notice_title" placeholder="" value="{{ old('notice_title',isset($notice)?$notice->notice_title:'') }}"> 或者 {!! old('notice_title',isset($notice)?$notice->notice_title:'') !!}
3) <input id="email" type="email" class="form-control" name="email" value="{{ old('email') or $email }}">