                               <input type="file" class="avatar-input" style="display: none;">
                                <input type="text" name="avatar" style="display: none;" value="#{$user.avatar}">
                                <img class="avatar-img"
                                     onclick="document.getElementsByClassName('avatar-input')[0].click()"
                                     src="#{$user.avatar}" alt="点击修改"
                                     style="height: 100px;width: