Dage/@dage/pc-components/dist/utils/encrypt.js

function randomWord(randomFlag, min, max = 15) {
    let str = "";
    let range = min;
    const arr = [
        "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",
    ];
    // 随机产生
    if (randomFlag) {
        range = Math.round(Math.random() * (max - min)) + min;
    }
    for (var i = 0; i < range; i++) {
        const pos = Math.round(Math.random() * (arr.length - 1));
        str += arr[pos];
    }
    return str;
}
const NUM = 2;
export const encodeStr = (str) => {
    const front = randomWord(false, 8);
    const middle = randomWord(false, 8);
    const end = randomWord(false, 8);
    const str1 = str.substring(0, NUM);
    const str2 = str.substring(NUM);
    return front + str2 + middle + str1 + end;
};
export const decodeStr = (str) => {
    const str1 = str.substring(8);
    const str2 = str1.substring(0, str1.length - 8);
    const front = str2.slice(-NUM);
    const end = str2.substring(0, str2.length - 8 - NUM);
    return front + end;
};