微博国际版链接切换到微博移动版或者桌面版

intl_to_cn.js

// ==UserScript==
// @name         New Userscript
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  try to take over the world!
// @author       You
// @match        ://weibointl.api.weibo.com/share/*
// @grant        none
// ==/UserScript==

/**
 * 新浪微博mid与url互转实用工具
 * 作者: XiNGRZ (http://weibo.com/xingrz)
 */

// 62进制字典
const str62keys = [
  "0",
  "1",
  "2",
  "3",
  "4",
  "5",
  "6",
  "7",
  "8",
  "9",
  "a",
  "b",
  "c",
  "d",
  "e",
  "f",
  "g",
  "h",
  "i",
  "j",
  "k",
  "l",
  "m",
  "n",
  "o",
  "p",
  "q",
  "r",
  "s",
  "t",
  "u",
  "v",
  "w",
  "x",
  "y",
  "z",
  "A",
  "B",
  "C",
  "D",
  "E",
  "F",
  "G",
  "H",
  "I",
  "J",
  "K",
  "L",
  "M",
  "N",
  "O",
  "P",
  "Q",
  "R",
  "S",
  "T",
  "U",
  "V",
  "W",
  "X",
  "Y",
  "Z"
];

/**
 * 62进制值转换为10进制
 * @param {String} str62 62进制值
 * @return {String} 10进制值
 */
const str62to10 = (str62) => {
  var i10 = 0;
  for (var i = 0; i < str62.length; i++) {
    var n = str62.length - i - 1;
    var s = str62[i];
    i10 += str62keys.indexOf(s) * Math.pow(62, n);
  }
  return String(i10);
};

/**
 * 10进制值转换为62进制
 * @param {String} str10 10进制值
 * @return {String} 62进制值
 */
const str10to62 = (str10) => {
  let int10 = parseInt(str10, 10);
  var s62 = "";
  var r = 0;
  while (int10 !== 0 && s62.length < 100) {
    r = int10 % 62;
    s62 = str62keys[r] + s62;
    int10 = Math.floor(int10 / 62);
  }
  return s62;
};

const chunkString = (str, step) => {
  const result = [];
  for (let i = str.length; i > 0; i = i - step) {
    result.unshift(str.substring(i - step, i));
  }
  return result;
};

/**
 * URL字符转换为mid
 * @param {String} url 微博URL字符，如 "wr4mOFqpbO"
 * @return {String} 微博mid，如 "201110410216293360"
 */
const url2mid = (url) => {
  console.log(url, chunkString(url, 4));
  return chunkString(url, 4)
    .map((s) => str62to10(s).padStart(7, "0"))
    .join("");
};

/**
 * mid转换为URL字符
 * @param {String} mid 微博mid，如 "201110410216293360"
 * @return {String} 微博URL字符，如 "wr4mOFqpbO"
 */
const mid2url = (mid) => {
  if (typeof mid !== "string" || !/^\d+$/.test(mid)) {
    throw new Error("wrong mid");
  }

  return chunkString(mid, 7)
    .map((s) => str10to62(s).padStart(4, "0"))
    .join("");
};

function addButtons(userId, weiboId){
    const btnWrap = document.createElement('div');
    btnWrap.style="position: fixed; top: 0; right: 0;"

    const btnToCn = document.createElement('button');
    btnToCn.textContent = '切换到微博移动版'
    btnToCn.addEventListener('click',()=>{
        location.href= `https://m.weibo.cn/status/${weiboId}`;
    })

    const btnToCom = document.createElement('button');
    btnToCom.textContent = '切换到微博桌面版'
    btnToCom.addEventListener('click',()=>{
        location.href= `https://weibo.com/${userId}/${mid2url(weiboId)}`;
    })

    btnWrap.appendChild(btnToCn)
    btnWrap.appendChild(btnToCom)
    document.body.appendChild(btnWrap)
}

(function() {
    'use strict';
    const weiboInfoHtml = document.querySelector('.f-m-img').innerHTML
    const weiboId = weiboInfoHtml.match(/forward\(0,\.(\d+)/)[1]

    const userInfoHtml = document.querySelector('.weibo-top.m-box.m-avatar-box').innerHTML
    const userId = userInfoHtml.match(/forward\((\d+)/)[1]

    addButtons(userId, weiboId)
})();