用el表达式给radio单选按钮checked属性赋值

<div class="form-group">  

        <div class="label">  

          <label>性别：</label>  

        </div>  

        <div class="field">  

          <input type="radio" name="sex" value="男" ${sessionScope.usereditFor.sex == "男"?'checked':''}>男  

          <input type="radio" name="sex" value="女" ${sessionScope.usereditFor.sex == "女"?'checked':''}>女  

          <div class="tips"></div>  

        </div>  

      </div>  

或者用if标签

<input type="radio" name="user.sex" id="male" value="男" <c:if test="${user.sex=='男'}"> checked='checked'</c:if> /> <label for="female">女</label> <input type="radio" name="user.sex" id="female" value="女" <c:if test="${user.sex=='女'}">checked='checked'</c:if>/>