所以在我的TextFormField小部件中，我将TextInputAction设置为TextInputAction.next，我还定义了focusNodes和onFieldSubmitted回调。文本字段之一:TextFormField(keyboardType:TextInputType.number,maxLength:2,validator:(value)=>value.isEmpty?"BirthMonth":null,onSaved:(value)=>_birthMonth=value,textInputAction:TextInputAction.next,focusNo

所以在我的TextFormField小部件中，我将TextInputAction设置为TextInputAction.next，我还定义了focusNodes和onFieldSubmitted回调。文本字段之一:TextFormField(keyboardType:TextInputType.number,maxLength:2,validator:(value)=>value.isEmpty?"BirthMonth":null,onSaved:(value)=>_birthMonth=value,textInputAction:TextInputAction.next,focusNo