dbeventer.js

 /**
     * 平台组件统一推送方法
     * @param {*} that 组件当前对象
     * @param {*} itemV 变更的值
     * @param {*} callback 推送方法
     */
    // eslint-disable-next-line no-unused-vars
    emitComp(that, itemV, callback = (code, res) => { }) {
        //#region 当前值
        const did = `${that.rootMeta.mkey}`;
        window.$dbeventer.emit(did, {
            formCompTag: that.$attrs['form-comp-tag'],
            primaryId: that.$attrs['primary-id'],
            changeValue: itemV,
            parentItem: that.parentItem,
            currentItem: that.item
        }, callback);
        //#endregion 当前值
    }