FormatUtil, formatting tool class

This content originally appeared on DEV Community and was authored by 桃花镇童长老

Introduction and description of harmony-utils

harmony-utils A HarmonyOS tool library with rich features and extremely easy to use, with the help of many practical tools, is committed to helping developers quickly build Hongmeng applications. Its encapsulated tools cover APP, device, screen, authorization, notification, inter-thread communication, pop-up frames, toast, biometric authentication, user preferences, taking photos, albums, scanning codes, files, logs, exception capture, characters, strings, numbers, collections, dates, random, base64, encryption, decryption, JSON and other functions, which can meet various development needs.

picker_utils It is a sub-store split by harmony-utils, including PickerUtil, PhotoHelper, and ScanUtil.

Download and install

ohpm i @pura/harmony-utils

ohpm i @pura/picker_utils

  //Global initialization method, initialized in the onCreate method of UIAbility AppUtil.init()
  onCreate(want: Want, launchParam: AbilityConstant.LaunchParam): void {
    AppUtil.init(this.context);
  }

API methods and usage

isPhone determines whether the incoming phone number format is correct

let phone: string = "19869062586";
let bl = FormatUtil.isPhone(phone);

getPhoneFormat formats phone numbers

let phone: string = "19869062586";
let format = FormatUtil.getPhoneFormat(phone);

getPhoneLocationName Get the phone number home location

let phone: string = "19869062586";
let locationName = FormatUtil.getPhoneLocationName(phone);

Transliterator converts the input string from the source format to the target format (Chinese characters to pinyin)

let str = FormatUtil.transliterator("中国");

getFormatPercentage Format percentage, convert numbers from percentage strings

let percentage = FormatUtil.getFormatPercentage(0.491);
LogUtil.error(`percentage: ${percentage}`);

getFormatPhone formats the phone number and hides the middle four digits

let phone: string = "18969062528";
let str = FormatUtil.getFormatPhone(phone);

getFormatCardNo Format ID number, hide the middle part of the number

let str = FormatUtil.getFormatCardNo("110101199001011234");
LogUtil.error(`格式化后的身份证号: ${str}`);

getFormatFileSize format file size

let str = FormatUtil.getFormatFileSize(1024102400);
LogUtil.error(`文件大小: ${str}`);

getTruncateText shortens the long text, and the excess is represented by an ellipsis

let str = FormatUtil.getTruncateText("女人什么年龄是最好？任何年龄都可以。因为每个年龄段都有不一样的美。看XX的穿搭你就会发现成熟女性的魅力，反而会更加的吸引人。", 20);
LogUtil.error(`缩短长文本: ${str}`);

getIconFont parses iconFont characters

let str = FormatUtil.getIconFont("e631");
LogUtil.error(`getIconFont: ${str}`);

getQueryValue Gets the parameters in the url, and the value corresponding to the Key is

let url = "https://blog.csdn.net/article?spm=blog1024&name=李斯";
let value1 = FormatUtil.getQueryValue(url, 'spm');
let value2 = FormatUtil.getQueryValue(url, 'name');
let value3 = FormatUtil.getQueryValue(url, 'mona');

getParamsUrl splice parameters on the url and return the new url

let map = new Map<string, Any>();
map.set("id", 100011);
map.set("name", '王五');
map.set("sex", undefined);
let url1 = FormatUtil.getParamsUrl("https://blog.csdn.net?id=100012", map);

let obj: Record<string, Object> = {};
obj['key'] = 'show';
obj['user'] = '王五';
obj['pd'] = 0;
obj['type'] = 'csaitab';
let url2 = FormatUtil.getParamsUrl("https://blog.csdn.net?id=100012", obj);

This content originally appeared on DEV Community and was authored by 桃花镇童长老