小程序input组件的bindinput事件获取不到值例： <input class='btn' type="number" placeholder='被推荐人的手机号码' maxlength='11' value="{{mobile}}" bindinput ="mobileInput" placeholder-class="placeholderStyle"></input> mobileInput: function (e) { console.log(e.detail.value); this.setData({ recMobile: e.detail.value }) },