# 前端常用校验类工具方法
# 邮箱
export const isEmail = (s) => {
return /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+((.[a-zA-Z0-9_-]{2,3}){1,2})$/.test(s)
}
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# 手机号码
export const isMobile = (s) => {
return /^1[0-9]{10}$/.test(s)
}
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# 电话号码
export const isPhone = (s) => {
return /^([0-9]{3,4}-)?[0-9]{7,8}$/.test(s)
}
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# 是否url地址
export const isURL = (s) => {
return /^http[s]?:\/\/.*/.test(s)
}
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# 是否字符串
export const isString = (o) => {
return Object.prototype.toString.call(o).slice(8, -1) === 'String'
}
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# 是否数字
export const isNumber = (o) => {
return Object.prototype.toString.call(o).slice(8, -1) === 'Number'
}
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# 是否boolean
export const isBoolean = (o) => {
return Object.prototype.toString.call(o).slice(8, -1) === 'Boolean'
}
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# 是否函数
export const isFunction = (o) => {
return Object.prototype.toString.call(o).slice(8, -1) === 'Function'
}
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# 是否为null
export const isNull = (o) => {
return Object.prototype.toString.call(o).slice(8, -1) === 'Null'
}
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# 是否undefined
export const isUndefined = (o) => {
return Object.prototype.toString.call(o).slice(8, -1) === 'Undefined'
}
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# 是否对象
export const isObj = (o) => {
return Object.prototype.toString.call(o).slice(8, -1) === 'Object'
}
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# 是否数组
export const isArray = (o) => {
return Object.prototype.toString.call(o).slice(8, -1) === 'Array'
}
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# 是否时间
export const isDate = (o) => {
return Object.prototype.toString.call(o).slice(8, -1) === 'Date'
}
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# 是否正则
export const isRegExp = (o) => {
return Object.prototype.toString.call(o).slice(8, -1) === 'RegExp'
}
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# 是否错误对象
export const isError = (o) => {
return Object.prototype.toString.call(o).slice(8, -1) === 'Error'
}
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# 是否symbol函数
export const isSymbol = (o) => {
return Object.prototype.toString.call(o).slice(8, -1) === 'Symbol'
}
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# 是否Promise对象
export const isPromise = (o) => {
return Object.prototype.toString.call(o).slice(8, -1) === 'Promise'
}
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# 是否Set对象
export const isSet = (o) => {
return Object.prototype.toString.call(o).slice(8, -1) === 'Set'
}
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export const ua = navigator.userAgent.toLowerCase();
# 是否是微信浏览器
export const isWeiXin = () => {
return ua.match(/microMessenger/i) == 'micromessenger'
}
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# 是否是移动端
export const isDeviceMobile = () => {
return /android|webos|iphone|ipod|balckberry/i.test(ua)
}
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# 是否是QQ浏览器
export const isQQBrowser = () => {
return !!ua.match(/mqqbrowser|qzone|qqbrowser|qbwebviewtype/i)
}
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# 是否是爬虫
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)
}
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# 是否ios
export const isIos = () => {
var u = navigator.userAgent;
if (u.indexOf('Android') > -1 || u.indexOf('Linux') > -1) { //安卓手机
return false
} else if (u.indexOf('iPhone') > -1) {//苹果手机
return true
} else if (u.indexOf('iPad') > -1) {//iPad
return false
} else if (u.indexOf('Windows Phone') > -1) {//winphone手机
return false
} else {
return false
}
}
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# 是否为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;
}
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# 去除html标签
export const removeHtmltag = (str) => {
return str.replace(/<[^>]+>/g, '')
}
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# 获取url参数
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];
}
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# 动态引入js
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);
}
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# 根据url地址下载
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;
}
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# el是否包含某个class
export const hasClass = (el, className) => {
let reg = new RegExp('(^|\\s)' + className + '(\\s|$)')
return reg.test(el.className)
}
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# el添加某个class
export const addClass = (el, className) => {
if (hasClass(el, className)) {
return
}
let newClass = el.className.split(' ')
newClass.push(className)
el.className = newClass.join(' ')
}
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# el去除某个class
export const removeClass = (el, className) => {
if (!hasClass(el, className)) {
return
}
let reg = new RegExp('(^|\\s)' + className + '(\\s|$)', 'g')
el.className = el.className.replace(reg, ' ')
}
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# 获取滚动的坐标
export const getScrollPosition = (el = window) => ({
x: el.pageXOffset !== undefined ? el.pageXOffset : el.scrollLeft,
y: el.pageYOffset !== undefined ? el.pageYOffset : el.scrollTop
});
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# 滚动到顶部
export const scrollToTop = () => {
const c = document.documentElement.scrollTop || document.body.scrollTop;
if (c > 0) {
window.requestAnimationFrame(scrollToTop);
window.scrollTo(0, c - c / 8);
}
}
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# el是否在视口范围内
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;
}
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# 洗牌算法随机
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;
}
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# 劫持粘贴板
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);
}
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# 判断类型集合
export const checkStr = (str, type) => {
switch (type) {
case 'phone': //手机号码
return /^1[3|4|5|6|7|8|9][0-9]{9}$/.test(str);
case 'tel': //座机
return /^(0\d{2,3}-\d{7,8})(-\d{1,4})?$/.test(str);
case 'card': //身份证
return /(^\d{15}$)|(^\d{18}$)|(^\d{17}(\d|X|x)$)/.test(str);
case 'pwd': //密码以字母开头，长度在6~18之间，只能包含字母、数字和下划线
return /^[a-zA-Z]\w{5,17}$/.test(str)
case 'postal': //邮政编码
return /[1-9]\d{5}(?!\d)/.test(str);
case 'QQ': //QQ号
return /^[1-9][0-9]{4,9}$/.test(str);
case 'email': //邮箱
return /^[\w-]+(\.[\w-]+)*@[\w-]+(\.[\w-]+)+$/.test(str);
case 'money': //金额(小数点2位)
return /^\d*(?:\.\d{0,2})?$/.test(str);
case 'URL': //网址
return /(http|ftp|https):\/\/[\w\-_]+(\.[\w\-_]+)+([\w\-\.,@?^=%&:/~\+#]*[\w\-\@?^=%&/~\+#])?/.test(str)
case 'IP': //IP
return /((?:(?:25[0-5]|2[0-4]\\d|[01]?\\d?\\d)\\.){3}(?:25[0-5]|2[0-4]\\d|[01]?\\d?\\d))/.test(str);
case 'date': //日期时间
return /^(\d{4})\-(\d{2})\-(\d{2}) (\d{2})(?:\:\d{2}|:(\d{2}):(\d{2}))$/.test(str) || /^(\d{4})\-(\d{2})\-(\d{2})$/.test(str)
case 'number': //数字
return /^[0-9]$/.test(str);
case 'english': //英文
return /^[a-zA-Z]+$/.test(str);
case 'chinese': //中文
return /^[\\u4E00-\\u9FA5]+$/.test(str);
case 'lower': //小写
return /^[a-z]+$/.test(str);
case 'upper': //大写
return /^[A-Z]+$/.test(str);
case 'HTML': //HTML标记
return /<("[^"]*"|'[^']*'|[^'">])*>/.test(str);
default:
return true;
}
}
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# 严格的身份证校验
export const isCardID = (sId) => {
if (!/(^\d{15}$)|(^\d{17}(\d|X|x)$)/.test(sId)) {
console.log('你输入的身份证长度或格式错误')
return false
}
//身份证城市
var aCity = { 11: "北京", 12: "天津", 13: "河北", 14: "山西", 15: "内蒙古", 21: "辽宁", 22: "吉林", 23: "黑龙江", 31: "上海", 32: "江苏", 33: "浙江", 34: "安徽", 35: "福建", 36: "江西", 37: "山东", 41: "河南", 42: "湖北", 43: "湖南", 44: "广东", 45: "广西", 46: "海南", 50: "重庆", 51: "四川", 52: "贵州", 53: "云南", 54: "西藏", 61: "陕西", 62: "甘肃", 63: "青海", 64: "宁夏", 65: "新疆", 71: "台湾", 81: "香港", 82: "澳门", 91: "国外" };
if (!aCity[parseInt(sId.substr(0, 2))]) {
console.log('你的身份证地区非法')
return false
}
// 出生日期验证
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('身份证上的出生日期非法')
return false
}
// 身份证号码校验
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]; //计算出来的最后一位身份证号码
if (sId[sId.length - 1] != last) {
console.log('你输入的身份证号非法')
return false
}
return true
}
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# 随机数范围
export const random = (min, max) => {
if (arguments.length === 2) {
return Math.floor(min + Math.random() * ((max + 1) - min))
} else {
return null;
}
}
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# 将阿拉伯数字翻译成中文的大写数字
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", "点", "");
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) // 加上小数部分(如果有小数部分)
{
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;
}
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# 将数字转换为大写金额
export const changeToChinese = (Num) => {
//判断如果传递进来的不是字符的话转换为字符
if (typeof Num == "number") {
Num = new String(Num);
};
Num = Num.replace(/,/g, "") //替换tomoney()中的“,”
Num = Num.replace(/ /g, "") //替换tomoney()中的空格
Num = Num.replace(/￥/g, "") //替换掉可能出现的￥字符
if (isNaN(Num)) { //验证输入的字符是否为数字
//alert("请检查小写金额是否正确");
return "";
};
//字符处理完毕后开始转换，采用前后两部分分别转换
var part = String(Num).split(".");
var newchar = "";
//小数点前进行转化
for (var i = part[0].length - 1; i >= 0; i--) {
if (part[0].length > 10) {
return "";
//若数量超过拾亿单位，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 = "贰" + tmpnewchar;
break;
case "3":
tmpnewchar = "叁" + tmpnewchar;
break;
case "4":
tmpnewchar = "肆" + tmpnewchar;
break;
case "5":
tmpnewchar = "伍" + tmpnewchar;
break;
case "6":
tmpnewchar = "陆" + 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 + "万";
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 + "亿";
break;
case 9:
tmpnewchar = tmpnewchar + "拾";
break;
}
var newchar = tmpnewchar + newchar;
}
//小数点之后进行转化
if (Num.indexOf(".") != -1) {
if (part[1].length > 2) {
// alert("小数点之后只能保留两位,系统将自动截断");
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 = "贰" + tmpnewchar;
break;
case "3":
tmpnewchar = "叁" + tmpnewchar;
break;
case "4":
tmpnewchar = "肆" + tmpnewchar;
break;
case "5":
tmpnewchar = "伍" + tmpnewchar;
break;
case "6":
tmpnewchar = "陆" + 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;
}
}
//替换所有无用汉字
while (newchar.search("零零") != -1)
newchar = newchar.replace("零零", "零");
newchar = newchar.replace("零亿", "亿");
newchar = newchar.replace("亿万", "亿");
newchar = newchar.replace("零万", "万");
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;
}
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# 判断一个元素是否在数组中
export const contains = (arr, val) => {
return arr.indexOf(val) != -1 ? true : false;
}
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# 数组排序，{type} 1：从小到大 2：从大到小 3：随机
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;
}
})
}
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# 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;
}
}
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# 求两个集合的并集
export const union = (a, b) => {
var newArr = a.concat(b);
return this.unique(newArr);
}
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# 求两个集合的交集
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;
});
}
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# 删除其中一个元素
export const remove = (arr, ele) => {
var index = arr.indexOf(ele);
if (index > -1) {
arr.splice(index, 1);
}
return arr;
}
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# 将类数组转换为数组
export const formArray = (ary) => {
var arr = [];
if (Array.isArray(ary)) {
arr = ary;
} else {
arr = Array.prototype.slice.call(ary);
};
return arr;
}
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# 最大值
export const max = (arr) => {
return Math.max.apply(null, arr);
}
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# 最小值
export const min = (arr) => {
return Math.min.apply(null, arr);
}
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# 求和
export const sum = (arr) => {
return arr.reduce((pre, cur) => {
return pre + cur
})
}
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# 平均值
export const average = (arr) => {
return this.sum(arr) / arr.length
}
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# 去除空格,type: 1-所有空格 2-前后空格 3-前空格 4-后空格
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*$)/g, "");
default:
return str;
}
}
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# 字符转换，type: 1:首字母大写 2：首字母小写 3：大小写转换 4：全部大写 5：全部小写
export const changeCase = (str, type) => {
type = type || 4
switch (type) {
case 1:
return str.replace(/\b\w+\b/g, function (word) {
return word.substring(0, 1).toUpperCase() + word.substring(1).toLowerCase();
});
case 2:
return str.replace(/\b\w+\b/g, function (word) {
return word.substring(0, 1).toLowerCase() + word.substring(1).toUpperCase();
});
case 3:
return str.split('').map(function (word) {
if (/[a-z]/.test(word)) {
return word.toUpperCase();
} else {
return word.toLowerCase()
}
}).join('')
case 4:
return str.toUpperCase();
case 5:
return str.toLowerCase();
default:
return str;
}
}
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# 检测密码强度
export const checkPwd = (str) => {
var Lv = 0;
if (str.length < 6) {
return Lv
}
if (/[0-9]/.test(str)) {
Lv++
}
if (/[a-z]/.test(str)) {
Lv++
}
if (/[A-Z]/.test(str)) {
Lv++
}
if (/[\.|-|_]/.test(str)) {
Lv++
}
return Lv;
}
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# 函数节流器
export const debounce = (fn, time, interval = 200) => {
if (time - (window.debounceTimestamp || 0) > interval) {
fn && fn();
window.debounceTimestamp = time;
}
}
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# 在字符串中插入新字符串
export const insertStr = (source, index, newStr) => {
var str = source.slice(0, index) + newStr + source.slice(index);
return str;
}
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# 判断两个对象是否键值相同
export const isObjectEqual = (a, b) => {
var aProps = Object.getOwnPropertyNames(a);
var bProps = Object.getOwnPropertyNames(b);
if (aProps.length !== bProps.length) {
return false;
}
for (var i = 0; i < aProps.length; i++) {
var propName = aProps[i];
if (a[propName] !== b[propName]) {
return false;
}
}
return true;
}
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# 16进制颜色转RGBRGBA字符串
export const colorToRGB = (val, opa) => {
var pattern = /^(#?)[a-fA-F0-9]{6}$/; //16进制颜色值校验规则
var isOpa = typeof opa == 'number'; //判断是否有设置不透明度
if (!pattern.test(val)) { //如果值不符合规则返回空字符
return '';
}
var v = val.replace(/#/, ''); //如果有#号先去除#号
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;
}
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# 追加url参数
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;
}
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出处：https://qukun.com.cn/article/code/verify_utils.html
标签：case,常用,const,tmpnewchar,JavaScript,校验,export,var,return From： https://www.cnblogs.com/mq0036/p/17620698.html