HarmonyOS 环境如何做反射执行

目前ArkTS提供了动态import能力具有反射能力，具体可以参考：

https://gitee.com/openharmony/docs/blob/master/zh-cn/application-dev/quick-start/arkts-dynamic-import.md#%E5%8A%A8%E6%80%81import

示例参考：

//StaticLibraryhar的index.ets
export function add(a: number, b: number): number {
  let c = a + b;
  console.log("DynamicImport I'm a har, %d + %d = %d", a, b, c);
  return c;
}

// hap的index.ets
let harName = 'StaticLibraryhar'
import(harName).then((ns: ESObject) => {
  console.log(ns.add(3, 5))
});

//hap的oh-package.json5
{
  "dependencies": {
    "StaticLibraryhar": "file:../StaticLibraryhar",
  }
}

//hap的build-profile.json5
"buildOption":
{
  "arkOptions":
  {
    "runtimeOnly":
    {
      "sources": [],
      "packages": [
        "StaticLibraryhar", //用于使用变量表达式动态import包名场景，静态import和常量表达式动态import不需要配置
      ]
    }
  }
}