{
  "startupTasks": [//有哪些任务
    {
      "name": "StartupTask_001",//任务名字
      "srcEntry": "./ets/startup/StartupTask_001.ets",//任务的文件路径
      "runOnThread": "taskpool",//运行在哪个现成，有两个选择，任务池或者主线程
      "waitOnMainThread": false //要不要主线程等待该任务，一般是false
    },
    {
      "name": "StartupTask_002",
      "srcEntry": "./ets/startup/StartupTask_002.ets",
      "dependencies": [//是否依赖其它的任务
        "StartupTask_001"
      ],
      "runOnThread": "taskpool",
      "waitOnMainThread": false
    },
    {
      "name": "StartupTask_003",
      "srcEntry": "./ets/startup/StartupTask_003.ets",
      "dependencies": [
        "StartupTask_001"
      ],
      "runOnThread": "taskpool",
      "waitOnMainThread": false
    },
    {
      "name": "StartupTask_004",
      "srcEntry": "./ets/startup/StartupTask_004.ets",
      "dependencies": [
        "StartupTask_002"
      ],
      "runOnThread": "taskpool",
      "waitOnMainThread": false
    },
    {
      "name": "StartupTask_005",
      "srcEntry": "./ets/startup/StartupTask_005.ets",
      "dependencies": [
        "StartupTask_003",
        "StartupTask_004"
      ],
      "runOnThread": "taskpool",
      "waitOnMainThread": false
    },
    {
      "name": "StartupTask_006",
      "srcEntry": "./ets/startup/StartupTask_006.ets",
      "runOnThread": "mainThread",
      "waitOnMainThread": false,
      "excludeFromAutoStart": true
    },
    {
      "name": "StartupTask_007",
      "srcEntry": "./ets/startup/StartupTask_007.ets",
      "dependencies": [
        "StartupTask_006"
      ],
      "runOnThread": "mainThread",
      "waitOnMainThread": false,
      "excludeFromAutoStart": true  //false表示系统加载的时候，自动执行任务，true表示可以在代码中任何地方执行
    }
  ],
  "configEntry": "./ets/startup/MyStartupConfigEntry.ets"
}

举例：在Ability中执行任务6 和 7
export default class EntryAbility extends UIAbility {
  onCreate(want: Want, launchParam: AbilityConstant.LaunchParam): void {
    hilog.info(0x0000, 'testTag', '%{public}s', 'Ability onCreate');

    let startParams = ['StartupTask_006', 'StartupTask_007'];

    try {
      startupManager.run(startParams).then(() => {
        console.log('StartupTest startupManager run then, startParams = ');
      }).catch((error: BusinessError) => {
        console.info("StartupTest promise catch error, error = " + JSON.stringify(error));
        console.info("StartupTest promise catch error, startParams = "
          + JSON.stringify(startParams));
      })
    } catch (error) {
      let errMsg = JSON.stringify(error);
      let errCode: number = error.code;
      console.log('Startup catch error , errCode= ' + errCode);
      console.log('Startup catch error ,error= ' + errMsg);
    }

  }

上面代码是startup_config的讲解，下面是如何操作

在如上位置增加startup_config.json,内容如下

{
  "startupTasks": [
    {
      "name": "StartupTask_001",
      "srcEntry": "./ets/startup/InitMMKV.ets",
      "runOnThread": "taskPool",
      "waitOnMainThread": false
    },
    {
      "name": "StartupTask_002",
      "srcEntry": "./ets/startup/initZRouter.ets",
      "dependencies": [
        "StartupTask_001"
      ],
      "runOnThread": "taskPool",
      "waitOnMainThread": false
    },
    {
      "name": "StartupTask_003",
      "srcEntry": "./ets/startup/StartupTask_003.ets",
      "dependencies": [
        "StartupTask_001"
      ],
      "runOnThread": "taskPool",
      "waitOnMainThread": false
    },
    {
      "name": "StartupTask_004",
      "srcEntry": "./ets/startup/StartupTask_004.ets",
      "dependencies": [
        "StartupTask_002"
      ],
      "runOnThread": "taskPool",
      "waitOnMainThread": false
    },
    {
      "name": "StartupTask_005",
      "srcEntry": "./ets/startup/StartupTask_005.ets",
      "dependencies": [
        "StartupTask_003",
        "StartupTask_004"
      ],
      "runOnThread": "taskPool",
      "waitOnMainThread": false
    },
    {
      "name": "StartupTask_006",
      "srcEntry": "./ets/startup/StartupTask_006.ets",
      "runOnThread": "mainThread",
      "waitOnMainThread": false,
      "excludeFromAutoStart": true
    },
    {
      "name": "StartupTask_007",
      "srcEntry": "./ets/startup/StartupTask_007.ets",
      "dependencies": [
        "StartupTask_006"
      ],
      "runOnThread": "mainThread",
      "waitOnMainThread": false,
      "excludeFromAutoStart": true
    }
  ],
  "configEntry": "./ets/startup/StartUpConfigEntry.ets"
}

StartUpConfigEntry.ets文件是配置监听，监听任务的执行，代码如下

//配置监听，监听任务的执行
import { StartupConfig, StartupConfigEntry, StartupListener } from '@kit.AbilityKit';
import { hilog } from '@kit.PerformanceAnalysisKit';
import { BusinessError } from '@kit.BasicServicesKit';

export default class StartUpConfigEntry extends StartupConfigEntry {
  onConfig() {
    hilog.info(0x0000, 'testTag', `onConfig`);
    //任务执行完成的回调，监听所有的组
    let onCompletedCallback = (error: BusinessError<void>) => {
      hilog.info(0x0000, 'testTag', `onCompletedCallback`);
      if (error) {
        hilog.info(0x0000, 'testTag', 'onCompletedCallback: %{public}d, message: %{public}s', error.code, error.message);
      } else {
        hilog.info(0x0000, 'testTag', `onCompletedCallback: success.`);
      }
    };
    let startupListener: StartupListener = {
      'onCompleted': onCompletedCallback
    };
    let config: StartupConfig = {
      'timeoutMs': 10000,//10秒钟之内执行失败，进入error回调方法
      'startupListener': startupListener
    };
    return config;
  }
}

startup文件夹下的其余的文件就是我们配置的启动任务，我们选择其中的两个，

import { StartupTask, common } from '@kit.AbilityKit';
import { hilog } from '@kit.PerformanceAnalysisKit';

/**
 * 启动任务。需要继承StartupTask
 */
@Sendable
export default class StartupTask_001 extends StartupTask {
  constructor() {
    super();
  }

  async init(context: common.AbilityStageContext) {

    console.info('testTagStartUP: ', '任务一：实例化MMKV');
    return 'initMMKV';//在下一个任务的onDependencyCompleted回调方法会传入StartupTask_001
  }

  onDependencyCompleted(dependence: string, result: Object): void {
    hilog.info(0x0000, 'testTagStartUP', 'StartupTask_001 onDependencyCompleted, dependence: %{public}s, result: %{public}s',
      dependence, JSON.stringify(result));
  }
}

在init方法里初始化第三方SDK

import { StartupTask, common } from '@kit.AbilityKit';
import { hilog } from '@kit.PerformanceAnalysisKit';

@Sendable
export default class StartupTask_007 extends StartupTask {
  constructor() {
    super();
  }

  async init(context: common.AbilityStageContext) {
    hilog.info(0x0000, 'testTagStartUP', 'StartupTask_007 init.');
    return 'StartupTask_007';
  }

  onDependencyCompleted(dependence: string, result: Object): void {
    hilog.info(0x0000, 'testTagStartUP', 'StartupTask_007 onDependencyCompleted, dependence: %{public}s, result: %{public}s',
      dependence, JSON.stringify(result));
  }
}

在module.json5中配置(见下图)

OK大功告成。