harmony-utils之JSONUtil，JSON工具类

harmony-utils 简介与说明

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harmony-utils 一款功能丰富且极易上手的HarmonyOS工具库，借助众多实用工具类，致力于助力开发者迅速构建鸿蒙应用。其封装的工具涵盖了APP、设备、屏幕、授权、通知、线程间通信、弹框、吐司、生物认证、用户首选项、拍照、相册、扫码、文件、日志、异常捕获、字符、字符串、数字、集合、日期、随机、base64、加密、解密、JSON等一系列的功能和作，能够满足各种不同的开发需求。
picker_utils 是harmony-utils拆分出来的一个子库，包含 PickerUtil、PhotoHelper、ScanUtil。

下载安装
ohpm i @pura/harmony-utils
ohpm i @pura/picker_utils

//全局初始化方法，在UIAbility的onCreate方法中初始化 AppUtil.init()
 onCreate(want: Want, launchParam: AbilityConstant.LaunchParam): void {
   AppUtil.init(this.context);
 }

API方法与使用

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jsonToBean JSON字符串转对象

let objStr: string = '{"id":"No_1060701","name":"张三","age":20,"addr":"乌市天山区","work":"工程师","salary":9223372036854775807.2512,"user":{"id":"No_1060701","name":"张三","age":20,"addr":"乌市天山区","work":"工程师"}}';
let user = JSONUtil.jsonToBean(objStr, User);

beanToJsonStr 对象转JSON字符串

let user: User = new User();
let str = JSONUtil.beanToJsonStr(user);

jsonToArray JSON字符串转Array

let arrayStr = ResUtil.getRawFileContentStrSync('data_utils.json');
let array = JSONUtil.jsonToArray< DescribeBean >(this.arrayStr);
array.forEach((item, index) = > {
  LogUtil.error(`${index} - ${JSON.stringify(item)}`);
});

jsonToMap JSON字符串转Map

let mapStr: string = '{"id":"NO_10000011","name":"王五五","age":"30","addr":"乌市天山区","work":"攻城狮","salary":9223372036854775807.2512}';
let map = JSONUtil.jsonToMap(mapStr);
map.forEach((value, key) = > {
  LogUtil.error(`${key} - ${value}`);
});

mapToJsonStr Map转JSON字符串

let mapStr: string = '{"id":"NO_10000011","name":"王五五","age":"30","addr":"乌市天山区","work":"攻城狮","salary":9223372036854775807.2512}';
let map = JSONUtil.jsonToMap(mapStr);

isJSONStr 判断是否是字符串格式json

let objStr: string = '{"id":"No_1060701","name":"张三","age":20,"addr":"乌市天山区","work":"工程师","salary":9223372036854775807.2512,"user":{"id":"No_1060701","name":"张三","age":20,"addr":"乌市天山区","work":"工程师"}}';
let b1 = JSONUtil.isJSONStr(objStr);
let b2 = JSONUtil.isJSONStr("abcd1234");

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审核编辑 黄宇