下面注意添加 hover-class 用于修改按压下去的样式
<button disabled="{{submitDisabled}}" class="submit-button" hover-class="button-hover">提交</button> /*正常样式*/.submit-button { color: white; background-color: #006eff;} /* 禁用时的样式 */.submit-button[disabled] { color: white; background-color: rgba(0, 110, 255, 0.7);} /* 按压下去的样式 */.submit-button.button-hover { background-color: rgba(0, 110, 255, 0.7); color: white;}