您好,登錄后才能下訂單哦!
前言
本文主要給大家介紹了關(guān)于利用javascript隨機(jī)生成一定位數(shù)密碼的相關(guān)內(nèi)容,分享出來(lái)供大家參考學(xué)習(xí),下面話不多少,來(lái)一起看看詳細(xì)的介紹吧。
需求
隨機(jī)生成一定位數(shù)的密碼,有最小個(gè)數(shù)和最大個(gè)數(shù),必須包含數(shù)字、大小寫字母,和特殊字符比如(- _ #);
代碼
function createPassword(min,max) { //可以生成隨機(jī)密碼的相關(guān)數(shù)組 var num = ["0","1","2","3","4","5","6","7","8","9"]; var english = ["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"]; var ENGLISH = ["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"]; var special = ["-","_","#"]; var config = num.concat(english).concat(ENGLISH).concat(special); //先放入一個(gè)必須存在的 var arr = []; arr.push(getOne(num)); arr.push(getOne(english)); arr.push(getOne(ENGLISH)); arr.push(getOne(special)); //獲取需要生成的長(zhǎng)度 var len = min + Math.floor(Math.random()*(max-min+1)); for(var i=4; i<len; i++){ //從數(shù)組里面抽出一個(gè) arr.push(config[Math.floor(Math.random()*config.length)]); } //亂序 var newArr = []; for(var j=0; j<len; j++){ newArr.push(arr.splice(Math.random()*arr.length,1)[0]); } //隨機(jī)從數(shù)組中抽出一個(gè)數(shù)值 function getOne(arr) { return arr[Math.floor(Math.random()*arr.length)]; } return newArr.join(""); }
使用
傳入一個(gè)生成的密碼的最小位數(shù),和最大位數(shù),即可返回一個(gè)隨機(jī)密碼
console.log(createPassword(8,15));
總結(jié)
以上就是這篇文章的全部?jī)?nèi)容了,希望本文的內(nèi)容對(duì)大家的學(xué)習(xí)或者工作能帶來(lái)一定的幫助,如果有疑問大家可以留言交流,謝謝大家對(duì)億速云的支持。
免責(zé)聲明:本站發(fā)布的內(nèi)容(圖片、視頻和文字)以原創(chuàng)、轉(zhuǎn)載和分享為主,文章觀點(diǎn)不代表本網(wǎng)站立場(chǎng),如果涉及侵權(quán)請(qǐng)聯(lián)系站長(zhǎng)郵箱:is@yisu.com進(jìn)行舉報(bào),并提供相關(guān)證據(jù),一經(jīng)查實(shí),將立刻刪除涉嫌侵權(quán)內(nèi)容。