checked 选中

<input type="radio" name="singleAnswer" value="0" <s:property value="%{0 in question.userAnswers ? 'checked' : ''}"/>/>对
<input type="radio" name="singleAnswer" value="1" <s:property value="%{1 in question.userAnswers ? 'checked' : ''}"/>/>错

【推广】 免费学中医,健康全家人
原文地址:https://www.cnblogs.com/a757956132/p/4901144.html