JavaScript(JS) 常用判斷式 + [ 正規表示式 / 正規表達式]
JavaScript(JS) 常用判斷式 + [ 正規表示式 / 正規表達式]
資料來源: https://github.com/hangjob/vue-admin/blob/master/src/utils/util.js
/**
* 郵箱
* @param {*} s
*/
export const isEmail = (s) => {
return /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+((.[a-zA-Z0-9_-]{2,3}){1,2})$/.test(s)
}
/**
* 手機號碼(大陸)
* @param {*} s
*/
export const isMobile = (s) => {
return /^1[0-9]{10}$/.test(s)
}
/**
* 電話號碼(對岸)
* @param {*} s
*/
export const isPhone = (s) => {
return /^([0-9]{3,4}-)?[0-9]{7,8}$/.test(s)
}
/**
* URL地址
* @param {*} s
*/
export const isURL = (s) => {
return /^http[s]?:\/\/.*/.test(s)
}
/**
* 是否字串
*/
export const isString = (o) => {
return Object.prototype.toString.call(o).slice(8, -1) === 'String'
}
/**
* 是否數字
*/
export const isNumber = (o) => {
return Object.prototype.toString.call(o).slice(8, -1) === 'Number'
}
/**
* 是否boolean
*/
export const isBoolean = (o) => {
return Object.prototype.toString.call(o).slice(8, -1) === 'Boolean'
}
/**
* 是否函數
*/
export const isFunction = (o) => {
return Object.prototype.toString.call(o).slice(8, -1) === 'Function'
}
/**
* 是否為null
*/
export const isNull = (o) => {
return Object.prototype.toString.call(o).slice(8, -1) === 'Null'
}
/**
* 是否undefined
*/
export const isUndefined = (o) => {
return Object.prototype.toString.call(o).slice(8, -1) === 'Undefined'
}
/**
* 是否物件
*/
export const isObj = (o) => {
return Object.prototype.toString.call(o).slice(8, -1) === 'Object'
}
/**
* /是否陣列
*/
export const isArray = (o) => {
return Object.prototype.toString.call(o).slice(8, -1) === 'Array'
}
/**
* 是否時間
*/
export const isDate = (o) => {
return Object.prototype.toString.call(o).slice(8, -1) === 'Date'
}
/**
* 是否正則
*/
export const isRegExp = (o) => {
return Object.prototype.toString.call(o).slice(8, -1) === 'RegExp'
}
/**
* 是否錯誤物件
*/
export const isError = (o) => {
return Object.prototype.toString.call(o).slice(8, -1) === 'Error'
}
/**
* 是否Symbol函數
*/
export const isSymbol = (o) => {
return Object.prototype.toString.call(o).slice(8, -1) === 'Symbol'
}
/**
* 是否Promise物件
*/
export const isPromise = (o) => {
return Object.prototype.toString.call(o).slice(8, -1) === 'Promise'
}
/**
* 是否Set物件
*/
export const isSet = (o) => {
return Object.prototype.toString.call(o).slice(8, -1) === 'Set'
}
export const ua = navigator.userAgent.toLowerCase();
/**
* 是否是微信流覽器
*/
export const isWeiXin = () => {
return ua.match(/microMessenger/i) == 'micromessenger'
}
/**
* 是否是移動端
*/
export const isDeviceMobile = () => {
return /android|webos|iphone|ipod|balckberry/i.test(ua)
}
/**
* 是否是QQ流覽器
*/
export const isQQBrowser = () => {
return !!ua.match(/mqqbrowser|qzone|qqbrowser|qbwebviewtype/i)
}
/**
* 是否是爬蟲
*/
export const isSpider = () => {
return /adsbot|googlebot|bingbot|msnbot|yandexbot|baidubot|robot|careerbot|seznambot|bot|baiduspider|jikespider|symantecspider|scannerlwebcrawler|crawler|360spider|sosospider|sogou web sprider|sogou orion spider/.test(ua)
}
/**
* 是否ios
*/
export const isIos = () => {
var u = navigator.userAgent;
if (u.indexOf('Android') > -1 || u.indexOf('Linux') > -1) { //安卓手機
return false
} else if (u.indexOf('iPhone') > -1) {//蘋果手機
return true
} else if (u.indexOf('iPad') > -1) {//iPad
return false
} else if (u.indexOf('Windows Phone') > -1) {//winphone手機
return false
} else {
return false
}
}
/**
* 是否為PC端
*/
export const isPC = () => {
var userAgentInfo = navigator.userAgent;
var Agents = ["Android", "iPhone",
"SymbianOS", "Windows Phone",
"iPad", "iPod"];
var flag = true;
for (var v = 0; v < Agents.length; v++) {
if (userAgentInfo.indexOf(Agents[v]) > 0) {
flag = false;
break;
}
}
return flag;
}
/**
* 去除html標籤
* @param {*} str
*/
export const removeHtmltag = (str) => {
return str.replace(/<[^>]+>/g, '')
}
/**
* 獲取url參數
* @param {*} name
*/
export const getQueryString = (name) => {
const reg = new RegExp('(^|&)' + name + '=([^&]*)(&|$)', 'i');
const search = window.location.search.split('?')[1] || '';
const r = search.match(reg) || [];
return r[2];
}
/**
* 動態引入js
* @param {*} src
*/
export const injectScript = (src) => {
const s = document.createElement('script');
s.type = 'text/javascript';
s.async = true;
s.src = src;
const t = document.getElementsByTagName('script')[0];
t.parentNode.insertBefore(s, t);
}
/**
* 根據url位址下載
* @param {*} url
*/
export const download = (url) => {
var isChrome = navigator.userAgent.toLowerCase().indexOf('chrome') > -1;
var isSafari = navigator.userAgent.toLowerCase().indexOf('safari') > -1;
if (isChrome || isSafari) {
var link = document.createElement('a');
link.href = url;
if (link.download !== undefined) {
var fileName = url.substring(url.lastIndexOf('/') + 1, url.length);
link.download = fileName;
}
if (document.createEvent) {
var e = document.createEvent('MouseEvents');
e.initEvent('click', true, true);
link.dispatchEvent(e);
return true;
}
}
if (url.indexOf('?') === -1) {
url += '?download';
}
window.open(url, '_self');
return true;
}
/**
* el是否包含某個class
* @param {*} el
* @param {*} className
*/
export const hasClass = (el, className) => {
let reg = new RegExp('(^|\\s)' + className + '(\\s|$)')
return reg.test(el.className)
}
/**
* el添加某個class
* @param {*} el
* @param {*} className
*/
export const addClass = (el, className) => {
if (hasClass(el, className)) {
return
}
let newClass = el.className.split(' ')
newClass.push(className)
el.className = newClass.join(' ')
}
/**
* el去除某個class
* @param {*} el
* @param {*} className
*/
export const removeClass = (el, className) => {
if (!hasClass(el, className)) {
return
}
let reg = new RegExp('(^|\\s)' + className + '(\\s|$)', 'g')
el.className = el.className.replace(reg, ' ')
}
/**
* 獲取滾動的座標
* @param {*} el
*/
export const getScrollPosition = (el = window) => ({
x: el.pageXOffset !== undefined ? el.pageXOffset : el.scrollLeft,
y: el.pageYOffset !== undefined ? el.pageYOffset : el.scrollTop
});
/**
* 滾動到頂部
*/
export const scrollToTop = () => {
const c = document.documentElement.scrollTop || document.body.scrollTop;
if (c > 0) {
window.requestAnimationFrame(scrollToTop);
window.scrollTo(0, c - c / 8);
}
}
/**
* el是否在視口範圍內
* @param {*} el
* @param {*} partiallyVisible
*/
export const elementIsVisibleInViewport = (el, partiallyVisible = false) => {
const { top, left, bottom, right } = el.getBoundingClientRect();
const { innerHeight, innerWidth } = window;
return partiallyVisible
? ((top > 0 && top < innerHeight) || (bottom > 0 && bottom < innerHeight)) &&
((left > 0 && left < innerWidth) || (right > 0 && right < innerWidth))
: top >= 0 && left >= 0 && bottom <= innerHeight && right <= innerWidth;
}
/**
* 洗牌演算法隨機
* @param {*} arr
*/
export const shuffle = (arr) => {
var result = [],
random;
while (arr.length > 0) {
random = Math.floor(Math.random() * arr.length);
result.push(arr[random])
arr.splice(random, 1)
}
return result;
}
/**
* 劫持粘貼板
* @param {*} value
*/
export const copyTextToClipboard = (value) => {
var textArea = document.createElement("textarea");
textArea.style.background = 'transparent';
textArea.value = value;
document.body.appendChild(textArea);
textArea.select();
try {
var successful = document.execCommand('copy');
} catch (err) {
console.log('Oops, unable to copy');
}
document.body.removeChild(textArea);
}
/**
* 判斷類型集合
* @param {*} str
* @param {*} type
*/
export const checkStr = (str, type) => {
switch (type) {
case 'phone': //手機號碼
return /^1[3|4|5|6|7|8|9][0-9]{9}$/.test(str);
case 'tel': //座機
return /^(0\d{2,3}-\d{7,8})(-\d{1,4})?$/.test(str);
case 'card': //身份證
return /(^\d{15}$)|(^\d{18}$)|(^\d{17}(\d|X|x)$)/.test(str);
case 'pwd': //密碼以字母開頭，長度在6~18之間，只能包含字母、數位和底線
return /^[a-zA-Z]\w{5,17}$/.test(str)
case 'postal': //郵遞區號
return /[1-9]\d{5}(?!\d)/.test(str);
case 'QQ': //QQ號
return /^[1-9][0-9]{4,9}$/.test(str);
case 'email': //郵箱
return /^[\w-]+(\.[\w-]+)*@[\w-]+(\.[\w-]+)+$/.test(str);
case 'money': //金額(小數點2位)
return /^\d*(?:\.\d{0,2})?$/.test(str);
case 'URL': //網址
return /(http|ftp|https):\/\/[\w\-_]+(\.[\w\-_]+)+([\w\-\.,@?^=%&:/~\+#]*[\w\-\@?^=%&/~\+#])?/.test(str)
case 'IP': //IP
return /((?:(?:25[0-5]|2[0-4]\\d|[01]?\\d?\\d)\\.){3}(?:25[0-5]|2[0-4]\\d|[01]?\\d?\\d))/.test(str);
case 'date': //日期時間
return /^(\d{4})\-(\d{2})\-(\d{2}) (\d{2})(?:\:\d{2}|:(\d{2}):(\d{2}))$/.test(str) || /^(\d{4})\-(\d{2})\-(\d{2})$/.test(str)
case 'number': //數字
return /^[0-9]$/.test(str);
case 'english': //英文
return /^[a-zA-Z]+$/.test(str);
case 'chinese': //中文
return /^[\\u4E00-\\u9FA5]+$/.test(str);
case 'lower': //小寫
return /^[a-z]+$/.test(str);
case 'upper': //大寫
return /^[A-Z]+$/.test(str);
case 'HTML': //HTML標記
return /<("[^"]*"|'[^']*'|[^'">])*>/.test(str);
default:
return true;
}
}
/**
* 嚴格的身份證校驗
* @param {*} sId
*/
export const isCardID = (sId) => {
if (!/(^\d{15}$)|(^\d{17}(\d|X|x)$)/.test(sId)) {
console.log('你輸入的身份證長度或格式錯誤')
return false
}
//身份證城市
var aCity = { 11: "北京", 12: "天津", 13: "河北", 14: "山西", 15: "內蒙古", 21: "遼寧", 22: "吉林", 23: "黑龍江", 31: "上海", 32: "江蘇", 33: "浙江", 34: "安徽", 35: "福建", 36: "江西", 37: "山東", 41: "河南", 42: "湖北", 43: "湖南", 44: "廣東", 45: "廣西", 46: "海南", 50: "重慶", 51: "四川", 52: "貴州", 53: "雲南", 54: "西藏", 61: "陝西", 62: "甘肅", 63: "青海", 64: "寧夏", 65: "新疆", 71: "臺灣", 81: "香港", 82: "澳門", 91: "國外" };
if (!aCity[parseInt(sId.substr(0, 2))]) {
console.log('你的身份證地區非法')
return false
}
// 出生日期驗證
var sBirthday = (sId.substr(6, 4) + "-" + Number(sId.substr(10, 2)) + "-" + Number(sId.substr(12, 2))).replace(/-/g, "/"),
d = new Date(sBirthday)
if (sBirthday != (d.getFullYear() + "/" + (d.getMonth() + 1) + "/" + d.getDate())) {
console.log('身份證上的出生日期非法')
return false
}
// 身份證號碼校驗
var sum = 0,
weights = [7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2],
codes = "10X98765432"
for (var i = 0; i < sId.length - 1; i++) {
sum += sId[i] * weights[i];
}
var last = codes[sum % 11]; //計算出來的最後一位身份證號碼
if (sId[sId.length - 1] != last) {
console.log('你輸入的身份證號非法')
return false
}
return true
}
/********************************************* 數位轉換 ******************************/
/**
* 亂數範圍
*/
export const random = (min, max) => {
if (arguments.length === 2) {
return Math.floor(min + Math.random() * ((max + 1) - min))
} else {
return null;
}
}
/**
* 將阿拉伯數字翻譯成中文的大寫數位
*/
export const numberToChinese = (num) => {
var AA = new Array("零", "一", "二", "三", "四", "五", "六", "七", "八", "九", "十");
var BB = new Array("", "十", "百", "仟", "萬", "億", "點", "");
var a = ("" + num).replace(/(^0*)/g, "").split("."),
k = 0,
re = "";
for (var i = a[0].length - 1; i >= 0; i--) {
switch (k) {
case 0:
re = BB[7] + re;
break;
case 4:
if (!new RegExp("0{4}//d{" + (a[0].length - i - 1) + "}$")
.test(a[0]))
re = BB[4] + re;
break;
case 8:
re = BB[5] + re;
BB[7] = BB[5];
k = 0;
break;
}
if (k % 4 == 2 && a[0].charAt(i + 2) != 0 && a[0].charAt(i + 1) == 0)
re = AA[0] + re;
if (a[0].charAt(i) != 0)
re = AA[a[0].charAt(i)] + BB[k % 4] + re;
k++;
}
if (a.length > 1) // 加上小數部分(如果有小數部分)
{
re += BB[6];
for (var i = 0; i < a[1].length; i++)
re += AA[a[1].charAt(i)];
}
if (re == '一十')
re = "十";
if (re.match(/^一/) && re.length == 3)
re = re.replace("一", "");
return re;
}
/**
* 將數位轉換為大寫金額
*/
export const changeToChinese = (Num) => {
//判斷如果傳遞進來的不是字元的話轉換為字元
if (typeof Num == "number") {
Num = new String(Num);
};
Num = Num.replace(/,/g, "") //替換tomoney()中的“,”
Num = Num.replace(/ /g, "") //替換tomoney()中的空格
Num = Num.replace(/￥/g, "") //替換掉可能出現的￥字元
if (isNaN(Num)) { //驗證輸入的字元是否為數位
//alert("請檢查小寫金額是否正確");
return "";
};
//字元處理完畢後開始轉換，採用前後兩部分分別轉換
var part = String(Num).split(".");
var newchar = "";
//小數點前進行轉化
for (var i = part[0].length - 1; i >= 0; i--) {
if (part[0].length > 10) {
return "";
//若數量超過拾億單位，提示
}
var tmpnewchar = ""
var perchar = part[0].charAt(i);
switch (perchar) {
case "0":
tmpnewchar = "零" + tmpnewchar;
break;
case "1":
tmpnewchar = "壹" + tmpnewchar;
break;
case "2":
tmpnewchar = "貳" + tmpnewchar;
break;
case "3":
tmpnewchar = "三" + tmpnewchar;
break;
case "4":
tmpnewchar = "肆" + tmpnewchar;
break;
case "5":
tmpnewchar = "伍" + tmpnewchar;
break;
case "6":
tmpnewchar = "陸" + tmpnewchar;
break;
case "7":
tmpnewchar = "柒" + tmpnewchar;
break;
case "8":
tmpnewchar = "捌" + tmpnewchar;
break;
case "9":
tmpnewchar = "玖" + tmpnewchar;
break;
}
switch (part[0].length - i - 1) {
case 0:
tmpnewchar = tmpnewchar + "元";
break;
case 1:
if (perchar != 0) tmpnewchar = tmpnewchar + "拾";
break;
case 2:
if (perchar != 0) tmpnewchar = tmpnewchar + "佰";
break;
case 3:
if (perchar != 0) tmpnewchar = tmpnewchar + "仟";
break;
case 4:
tmpnewchar = tmpnewchar + "萬";
break;
case 5:
if (perchar != 0) tmpnewchar = tmpnewchar + "拾";
break;
case 6:
if (perchar != 0) tmpnewchar = tmpnewchar + "佰";
break;
case 7:
if (perchar != 0) tmpnewchar = tmpnewchar + "仟";
break;
case 8:
tmpnewchar = tmpnewchar + "億";
break;
case 9:
tmpnewchar = tmpnewchar + "拾";
break;
}
var newchar = tmpnewchar + newchar;
}
//小數點之後進行轉化
if (Num.indexOf(".") != -1) {
if (part[1].length > 2) {
// alert("小數點之後只能保留兩位元,系統將自動截斷");
part[1] = part[1].substr(0, 2)
}
for (i = 0; i < part[1].length; i++) {
tmpnewchar = ""
perchar = part[1].charAt(i)
switch (perchar) {
case "0":
tmpnewchar = "零" + tmpnewchar;
break;
case "1":
tmpnewchar = "壹" + tmpnewchar;
break;
case "2":
tmpnewchar = "貳" + tmpnewchar;
break;
case "3":
tmpnewchar = "三" + tmpnewchar;
break;
case "4":
tmpnewchar = "肆" + tmpnewchar;
break;
case "5":
tmpnewchar = "伍" + tmpnewchar;
break;
case "6":
tmpnewchar = "陸" + tmpnewchar;
break;
case "7":
tmpnewchar = "柒" + tmpnewchar;
break;
case "8":
tmpnewchar = "捌" + tmpnewchar;
break;
case "9":
tmpnewchar = "玖" + tmpnewchar;
break;
}
if (i == 0) tmpnewchar = tmpnewchar + "角";
if (i == 1) tmpnewchar = tmpnewchar + "分";
newchar = newchar + tmpnewchar;
}
}
//替換所有無用漢字
while (newchar.search("零零") != -1)
newchar = newchar.replace("零零", "零");
newchar = newchar.replace("零億", "億");
newchar = newchar.replace("億萬", "億");
newchar = newchar.replace("零萬", "萬");
newchar = newchar.replace("零元", "元");
newchar = newchar.replace("零角", "");
newchar = newchar.replace("零分", "");
if (newchar.charAt(newchar.length - 1) == "元") {
newchar = newchar + "整"
}
return newchar;
}
/********************************************* 關於陣列 ******************************/
/**
* 判斷一個元素是否在陣列中
*/
export const contains = (arr, val) => {
return arr.indexOf(val) != -1 ? true : false;
}
/**
* @param {arr} 陣列
* @param {fn} 回呼函數
* @return {undefined}
*/
export const each = (arr, fn) => {
fn = fn || Function;
var a = [];
var args = Array.prototype.slice.call(arguments, 1);
for (var i = 0; i < arr.length; i++) {
var res = fn.apply(arr, [arr[i], i].concat(args));
if (res != null) a.push(res);
}
}
/**
* @param {arr} 陣列
* @param {fn} 回呼函數
* @param {thisObj} this指向
* @return {Array}
*/
export const map = (arr, fn, thisObj) => {
var scope = thisObj || window;
var a = [];
for (var i = 0, j = arr.length; i < j; ++i) {
var res = fn.call(scope, arr[i], i, this);
if (res != null) a.push(res);
}
return a;
}
/**
* @param {arr} 陣列
* @param {type} 1：從小到大 2：從大到小 3：隨機
* @return {Array}
*/
export const sort = (arr, type = 1) => {
return arr.sort((a, b) => {
switch (type) {
case 1:
return a - b;
case 2:
return b - a;
case 3:
return Math.random() - 0.5;
default:
return arr;
}
})
}
/**
* 去重
*/
export const unique = (arr) => {
if (Array.hasOwnProperty('from')) {
return Array.from(new Set(arr));
} else {
var n = {}, r = [];
for (var i = 0; i < arr.length; i++) {
if (!n[arr[i]]) {
n[arr[i]] = true;
r.push(arr[i]);
}
}
return r;
}
}
/**
* 求兩個集合的並集
*/
export const union = (a, b) => {
var newArr = a.concat(b);
return this.unique(newArr);
}
/**
* 求兩個集合的交集
*/
export const intersect = (a, b) => {
var _this = this;
a = this.unique(a);
return this.map(a, function (o) {
return _this.contains(b, o) ? o : null;
});
}
/**
* 刪除其中一個元素
*/
export const remove = (arr, ele) => {
var index = arr.indexOf(ele);
if (index > -1) {
arr.splice(index, 1);
}
return arr;
}
/**
* 將類陣列轉換為陣列的方法
*/
export const formArray = (ary) => {
var arr = [];
if (Array.isArray(ary)) {
arr = ary;
} else {
arr = Array.prototype.slice.call(ary);
};
return arr;
}
/**
* 最大值
*/
export const max = (arr) => {
return Math.max.apply(null, arr);
}
/**
* 最小值
*/
export const min = (arr) => {
return Math.min.apply(null, arr);
}
/**
* 求和
*/
export const sum = (arr) => {
return arr.reduce((pre, cur) => {
return pre + cur
})
}
/**
* 平均值
*/
export const average = (arr) => {
return this.sum(arr) / arr.length
}
/********************************************* String 字串操作 ******************************/
/**
* 去除空格
* @param {str}
* @param {type}
* type: 1-所有空格 2-前後空格 3-前空格 4-後空格
* @return {String}
*/
export const trim = (str, type) => {
type = type || 1
switch (type) {
case 1:
return str.replace(/\s+/g, "");
case 2:
return str.replace(/(^\s*)|(\s*$)/g, "");
case 3:
return str.replace(/(^\s*)/g, "");
case 4:
return str.replace(/(\s*$)/g, "");
default:
return str;
}
}
/**
* @param {str}
* @param {type}
* type: 1:首字母大寫 2：首字母小寫 3：大小寫轉換 4：全部大寫 5：全部小寫
* @return {String}
*/
export const changeCase = (str, type) => {
type = type || 4
switch (type) {
case 1:
return str.replace(/\b\w+\b/g, function (word) {
return word.substring(0, 1).toUpperCase() + word.substring(1).toLowerCase();
});
case 2:
return str.replace(/\b\w+\b/g, function (word) {
return word.substring(0, 1).toLowerCase() + word.substring(1).toUpperCase();
});
case 3:
return str.split('').map(function (word) {
if (/[a-z]/.test(word)) {
return word.toUpperCase();
} else {
return word.toLowerCase()
}
}).join('')
case 4:
return str.toUpperCase();
case 5:
return str.toLowerCase();
default:
return str;
}
}
/*
* 檢測密碼強度
*/
export const checkPwd = (str) => {
var Lv = 0;
if (str.length < 6) {
return Lv
}
if (/[0-9]/.test(str)) {
Lv++
}
if (/[a-z]/.test(str)) {
Lv++
}
if (/[A-Z]/.test(str)) {
Lv++
}
if (/[\.|-|_]/.test(str)) {
Lv++
}
return Lv;
}
/**
* 函數節流器
* @param {Function} fn 需要執行性的函數
* @param {number} time 時間戳記
* @param {number} interval 間隔時間
*/
export const debouncer = (fn, time, interval = 200) => {
if (time - (window.debounceTimestamp || 0) > interval) {
fn && fn();
window.debounceTimestamp = time;
}
}
/**
* 在字串中插入新字串
* @param {string} soure 源字元
* @param {string} index 插入字元的位置
* @param {string} newStr 需要插入的字元
* @returns {string} 返回新生成的字元
*/
export const insertStr = (soure, index, newStr) => {
var str = soure.slice(0, index) + newStr + soure.slice(index);
return str;
}
/**
* 判斷兩個物件是否鍵值相同
* @param {Object} a 第一個對象
* @param {Object} b 第一個對象
* @return {Boolean} 相同返回true，否則返回false
*/
export const isObjectEqual = (a, b) => {
var aProps = Object.getOwnPropertyNames(a);
var bProps = Object.getOwnPropertyNames(b);
if (aProps.length !== bProps.length) {
return false;
}
for (var i = 0; i < aProps.length; i++) {
var propName = aProps[i];
if (a[propName] !== b[propName]) {
return false;
}
}
return true;
}
/**
* 16進制顏色轉RGB\RGBA字串
* @param {String} val 16進制顏色值
* @param {Number} opa 不透明度，取值0~1
* @return {String} 轉換後的RGB或RGBA顏色值
*/
export const colorToRGB = (val, opa) => {
var pattern = /^(#?)[a-fA-F0-9]{6}$/; //16進制顏色值校驗規則
var isOpa = typeof opa == 'number'; //判斷是否有設置不透明度
if (!pattern.test(val)) { //如果值不符合規則返回空字元
return '';
}
var v = val.replace(/#/, ''); //如果有#號先去除#號
var rgbArr = [];
var rgbStr = '';
for (var i = 0; i < 3; i++) {
var item = v.substring(i * 2, i * 2 + 2);
var num = parseInt(item, 16);
rgbArr.push(num);
}
rgbStr = rgbArr.join();
rgbStr = 'rgb' + (isOpa ? 'a' : '') + '(' + rgbStr + (isOpa ? ',' + opa : '') + ')';
return rgbStr;
}
/**
* 追加url參數
* @param {string} url url參數
* @param {string|object} key 名字或者物件
* @param {string} value 值
* @return {string} 返回新的url
* @example
* appendQuery('lechebang.com', 'id', 3);
* appendQuery('lechebang.com?key=value', { cityId: 2, cityName: '北京'});
*/
export const appendQuery = (url, key, value) => {
var options = key;
if (typeof options == 'string') {
options = {};
options[key] = value;
}
options = $.param(options);
if (url.includes('?')) {
url += '&' + options
} else {
url += '?' + options
}
return url;
}
/**
* 判斷a陣列是否包含b陣列中
*/
export const getArrRepeat = (arr1,arr2) =>{
return arr1.filter((item,index) =>{
return arr2.includes(item)
})
}
/**
* 將陣列分片
* 列子[1,2,3,4,5,6,7,8] [[1,2,3],[4,5,6],[7,8]]
*/
export const arrChunk = (data=[],space=5) => {
var result = [];
for (var i = 0, len = data.length; i < len; i += space) {
result.push(data.slice(i, i + space));
}
return {data:result,total:data.length,space};
}
/**
* 複製內容
*/
export const copyToClip = (content) => {
var aux = document.createElement("input");
aux.setAttribute("value", content);
document.body.appendChild(aux);
aux.select();
document.execCommand("copy");
document.body.removeChild(aux);
console.log('複製成功');
}
/**
* 生成uuid
*/
export const generateUUID = () => {
let d = new Date().getTime();
let uuid = 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function (c) {
let r = (d + Math.random() * 16) % 16 | 0;
d = Math.floor(d / 16);
return (c == 'x' ? r : (r & 0x7 | 0x8)).toString(16);
});
return uuid;
}