Deveco : This API is used only in Stage Mode, but the current apiType is faMode.

这种错误是混用了FA模型跟stage模型的接口

FA跟Stage不能混用的无非就是Context

FA

let context = featureAbility.getContext();
context.getOrCreateDistributedDir((error, data) => {

Stage

import common from '@ohos.app.ability.common';

let context = getContext(this) as common.UIAbilityContext; // 获取设备A的UIAbilityContext信息

let pathDir: string = context.distributedFilesDir;

官方文档

进入官方文档,在右上角搜索框搜索

distributedFilesDir 和 getOrCreateDistributedDir 可以导航到FA模型跟Stage模型文档页面