import yfieldsControls from "../yfieldsControls" Component({ behaviors: [yfieldsControls], properties: { bindValue: String, defaultValue: String, label: String, }, relations: { '../yform/yform': { type: 'ancestor', // 关联的目标节点应为祖先节点 linked: function (target) { this.updateFormItemValue = (curValue) => { target.data.form[this.data.bindValue] = curValue this.setData({ value: curValue }) } } } }, lifetimes: { attached: function () { const initValue = this.data.defaultValue || '' this.dataset[this.data.bindValue] = initValue this.setData({ value: initValue }) } }, methods: { // 这个方法是父组件提供的,这里只是为了不报错 updateFormItemValue: (_: string) => { }, bindinput: function (event: WechatMiniprogram.Input) { this.dataset[this.data.bindValue] = event.detail.value this.updateFormItemValue(event.detail.value) } } })