H2P: utils

utils

Script này sẽ không được không được cài đặt trực tiếp. Nó là một thư viện cho các script khác để bao gồm các chỉ thị meta // @require https://update.greasyfork.org/scripts/411278/847435/H2P%3A%20utils.js

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

Bạn sẽ cần cài đặt một tiện ích mở rộng như Tampermonkey hoặc Violentmonkey để cài đặt kịch bản này.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(Tôi đã có Trình quản lý tập lệnh người dùng, hãy cài đặt nó!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name        H2P: utils
// @namespace   http://tampermonkey.net/
// @version     0.1.1
// @description 针对 Date、localStorage 的操作
// @author      H2P
// @compatible  chrome
// ==/UserScript==

((w) => {
  'use strict';

  /**
   * 在字符串前(后)添加 0
   * @param {String} s
   * @param {Number} len 
   * @param {Boolean} isAddFront 
   */
  function add0(s = '', len = 0, isAddFront = true) {
    s = s.toString();
    while (s.length < len) { s = isAddFront ? '0' + s : s + '0'; }
    return s;
  }

  w.$util = (() => {
    function Util() {
      /**
       * 键盘按键对应的 event code
       */
      this.keyCode = {
        'a': 65, 'b': 66, 'c': 67, 'd': 68, 'e': 69, 'f': 70, 'g': 71,
        'h': 72, 'i': 73, 'j': 74, 'k': 75, 'l': 76, 'm': 77, 'n': 78,
        'o': 79, 'p': 80, 'q': 81, 'r': 82, 's': 83, 't': 84,
        'u': 85, 'v': 86, 'w': 87, 'x': 88, 'y': 89, 'z': 90,
      }

      /**
       * 返回毫秒
       * @param {Number} num 
       */
      this.timeMS = (num = 0) => {
        num = Number.parseInt(num);
        return num < 946684800000 ? num * 1000 : num;
      }
  
      /**
       * localStorage 相关操作
       */
      this.LS = (() => {
        function LS() {
          this.init = (itemKey = '', itemPre = {}) => {
            let item = Object.assign({}, itemPre, this.get(itemKey));
            for (let key in item) { if (!(key in itemPre)) { delete item[key]; } }
            localStorage.removeItem(itemKey);
            localStorage.setItem(itemKey, JSON.stringify(item));
            return item;
          }
          this.set = (itemKey = '', item = {}) => { localStorage.setItem(itemKey, JSON.stringify(item)); },
          this.get = (itemKey = '') => JSON.parse(localStorage.getItem(itemKey)) || {},
          this.remove = (itemKey = '') => { localStorage.removeItem(itemKey); }
        }
        return new LS();
      })();
  
      this.HMS = (time = 0) => {
        let h = Number.parseInt(time / 3600000);
        let m = Number.parseInt(time % 3600000 / 60000);
        let s = Number.parseInt(time % 3600000 % 60000 / 1000);
        return {
          h: add0(h, 2),
          m: add0(m, 2),
          s: add0(s, 2),
        }
      }
    }
    return new Util();
  })();

  // return millisecond
  Date.prototype.$timems = Date.prototype.getTime;
  // return second
  Date.prototype.$times = function() { return Number.parseInt(this.getTime() / 1000); }
  // format time: yyyy-MM-dd hh-mm-ss
  Date.prototype.$formatTime = function() { return `${this.getFullYear()}-${add0(this.getMonth() + 1, 2)}-${add0(this.getDate(), 2)} ${add0(this.getHours(), 2)}:${add0(this.getMinutes(), 2)}:${add0(this.getSeconds(), 2)}`; }
  // format date: yyyy-MM-dd
  Date.prototype.$formatDate = function() { return `${this.getFullYear()}-${add0(this.getMonth() + 1, 2)}-${add0(this.getDate(), 2)}`; } 

  /**
   * 根据 xpath 查询元素
   * @param {String} xpath 
   * @param {Boolean} queryOneElement 
   */
  w.$H2P = (xpath = 'body', queryOneElement = true) => queryOneElement ? document.querySelector(xpath) : Array.from(document.querySelectorAll(xpath));
})(window);