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/**
* 前端 js 工作集合
* 调用名称：* 整数添加小数点后两位 utils.getFloatStr
* 取银行卡的后四位 utils.substring
* 控制 输入浮点数限制 utils.noFixed
* 检查是否有这个字符 utils.indexOf
* 截取参数 utils.getQueryString
* 处理文字 多余省略 utils.txtHandle
* 添加千位分隔符 utils.milliFormat
* 验证判断类型集合 checkStr
* 严格的身份证校验 isCardID
* 判断邮箱 isEmail
* 判断手机号码 isMobile
* 判断电话号码 isPhone
* 是否 url 地址 isURL
* 是否是字符串 isString
* 是否是数字 isNumber
* 是否是布尔值 isBoolean
* 是否是函数 isFunction
* 是否为 null isNull
* 是否为 undefined isFunction
* 是否对象 isObj
* 是否数组 isArray
* 是否时间 isDate
* 是否正则 isRegExp
* 是否错误对象 isError
* 是否 Symbol 函数 isSymbol
* 是否 Promise 对象 isPromise
* 是否 Set 对象 isSet
* 是否是微信浏览器 isWeiXin
* 是否是移动端 isDeviceMobile
* 是否是 QQ 浏览器 isQQBrowser
* 是否是爬虫 isSpider
* 是否 ios isIos
* 是否为 PC 端 isPC
* 去除 html 标签 removeHtmltag
* 获取 url 参数 getQueryString
* 追加 url 参数 appendQuery
* 动态引入 js injectScript
* 根据 url 地址下载 download
* el 是否包含某个 class hasClass
* el 添加某个 class addClass
* el 去除某个 class removeClass
* 获取滚动的坐标 getScrollPosition
* 滚动到顶部 scrollToTop
* el 是否在视口范围内 elementIsVisibleInViewport
* 洗牌算法随机 shuffle
* 劫持粘贴板 copyTextToClipboard
* 随机数范围 random
* 将阿拉伯数字翻译成中文的大写数字 numberToChinese
* 将数字转换为大写金额 changeToChinese
* 判断一个元素是否在数组中 contains
* 数组排序 sort
* 去重 unique
* 求两个集合的并集（合并两个数组）union
* 求两个集合的交集 intersect
* 删除数组其中一个元素 remove
* 将类数组转换为数组 formArray
* 数组最大值 max
* 数组最小值 min
* 数组求和 sum
* 数组平均值 average
* 去除空格 trim
* 字符串各种类型大小写转换 changeCase
* 检测密码强度 checkPwd
* 函数截流器 debouncer
* 在字符串中插入新字符串 insertStr
* 判断两个对象是否键值相同 isObjectEqual
* 16 进制颜色转 RGBRGBA 字符串 colorToRGB
*
*/
export default class utils {
/**
* 计算 整数添加小数点后两位
* @param num
* @returns {Number}
*/
static getFloatStr(num) {if (!(/(^[0-9]*[1-9][0-9]*$)/.test(num))) {return num;} else {
num += '';
num = num.replace(/[^0-9|\.]/g, ''); // 清除字符串中的非数字非. 字符
if (/^0+/) // 清除字符串开头的 0
num = num.replace(/^0+/, '');
if (!/\./.test(num)) // 为整数字符串在末尾添加.00
num += '.00';
if (/^\./.test(num)) // 字符以. 开头时, 在开头添加 0
num = '0' + num;
num += '00'; // 在字符串末尾补零
num = num.match(/\d+\.\d{2}/)[0];
return num;
}
};
/**
* 取银行卡的后四位
* @param str
* @returns {str}
*/
static substring(str) {
str = str + '';
return str.substring(str.length - 4)
};
/**
* 控制 输入浮点数限制
* @param e
* @returns {String || null}
*/
static noFixed(e) {e.target.value = e.target.value.match(/^\d*(\.?\d{0,1})/g)[0] || null;
};
/**
* 检查是否有这个字符
* @param str 字符串
* @param isStr 条件字符
* @returns {Boolean}
*/
static indexOf(str, isStr) {
str = str + '';
return str.indexOf(isStr) != -1 ? true : false
};
/**
* 截取参数
* @param {String} name 参数的名字
* @returns {Boolean} 参数值
*/
static getQueryString(name) {var reg = new RegExp("(^|&)" + name + "=([^&]*)(&|$)", "i");
var r = window.location.search.substr(1).match(reg);
if (r != null) {return unescape(r[2]);
} else {return false;}
};
/**
* 处理文字 多余省略
*
* @static
* @param {*} str 字符传入
* @param {*} num 最多显示多少字符
* @returns
* @memberof utils
*/
static txtHandle(str, num) {if (str.length > num) {return str.substring(0, num) + '...'
} else {return str}
};
/**
* 添加千位分隔符
* @param num
* @returns {Number}
*/
static milliFormat(num) {return num && num.toString()
.replace(/\d+/, function(s) {return s.replace(/(\d)(?=(\d{3})+$)/g, '$1,')
})
};
}
/**
* 判断类型集合
* @param {*} str
* @param {*} type
*/
export const checkStr = (str, type) => {switch (type) {
case 'phone': // 手机号码
return /^1[3|4|5|6|7|8|9][0-9]{9}$/.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]+$/.test(str);
case 'HTML': //HTML 标记
return /<("[^"]*"|'[^']*'|[^'">])*>/.test(str);
default:
return true;
}
};
/**
* 严格的身份证校验
* @param {*} sId
*/
export const isCardID = (sId) => {if (!/(^\d{15}$)|(^\d{17}(\d|X|x)$)/.test(sId)) {console.log('你输入的身份证长度或格式错误')
return false
}
// 身份证城市
var aCity = {11: "北京", 12: "天津", 13: "河北", 14: "山西", 15: "内蒙古", 21: "辽宁", 22: "吉林", 23: "黑龙江", 31: "上海", 32: "江苏", 33: "浙江", 34: "安徽", 35: "福建", 36: "江西", 37: "山东", 41: "河南", 42: "湖北", 43: "湖南", 44: "广东", 45: "广西", 46: "海南", 50: "重庆", 51: "四川", 52: "贵州", 53: "云南", 54: "西藏", 61: "陕西", 62: "甘肃", 63: "青海", 64: "宁夏", 65: "新疆", 71: "台湾", 81: "香港", 82: "澳门", 91: "国外"};
if (!aCity[parseInt(sId.substr(0, 2))]) {console.log('你的身份证地区非法')
return false
}
// 出生日期验证
var sBirthday = (sId.substr(6, 4) + "-" + Number(sId.substr(10, 2)) + "-" + Number(sId.substr(12, 2))).replace(/-/g, "/"),
d = new Date(sBirthday)
if (sBirthday != (d.getFullYear() + "/" + (d.getMonth() + 1) + "/" + d.getDate())) {console.log('身份证上的出生日期非法')
return false
}
// 身份证号码校验
var sum = 0,
weights = [7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2],
codes = "10X98765432"
for (var i = 0; i < sId.length - 1; i++) {sum += sId[i] * weights[i];
}
var last = codes[sum % 11]; // 计算出来的最后一位身份证号码
if (sId[sId.length - 1] != last) {console.log('你输入的身份证号非法')
return false
}
return true
};
/**
* 判断邮箱
* @param {*} s
*/
export const isEmail = (s) => {return /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+((.[a-zA-Z0-9_-]{2,3}){1,2})$/.test(s)
};
/**
* 判断手机号码
* @param {*} s
*/
export const isMobile = (s) => {return /^1[0-9]{10}$/.test(s)
};
/**
* 判断电话号码
* @param {*} s
*/
export const isPhone = (s) => {return /^([0-9]{3,4}-)?[0-9]{7,8}$/.test(s)
};
/**
* 是否 url 地址
* @param {*} s
*/
export const isURL = (s) => {return /^http[s]?:\/\/.*/.test(s)
};
/**
* 是否是字符串
* @param {*} o
*/
export const isString = (o) => {return Object.prototype.toString.call(o).slice(8, -1) === 'String'
};
/**
* 是否是数字
* @param {*} o
*/
export const isNumber = (o) => {return Object.prototype.toString.call(o).slice(8, -1) === 'Number'
};
/**
* 是否是布尔值
* @param {*} o
*/
export const isBoolean = (o) => {return Object.prototype.toString.call(o).slice(8, -1) === 'Boolean'
};
/**
* 是否是函数
* @param {*} o
*/
export const isFunction = (o) => {return Object.prototype.toString.call(o).slice(8, -1) === 'Function'
};
/**
* 是否为 null
* @param {*} o
*/
export const isNull = (o) => {return Object.prototype.toString.call(o).slice(8, -1) === 'Null'
};
/**
* 是否为 undefined
* @param {*} o
*/
export const isUndefined = (o) => {return Object.prototype.toString.call(o).slice(8, -1) === 'Undefined'
};
/**
* 是否是对象
* @param {*} o
*/
export const isObj = (o) => {return Object.prototype.toString.call(o).slice(8, -1) === 'Object'
};
/**
* 是否是数组
* @param {*} o
*/
export const isArray = (o) => {return Object.prototype.toString.call(o).slice(8, -1) === 'Array'
};
/**
* 是否是时间
* @param {*} o
*/
export const isDate = (o) => {return Object.prototype.toString.call(o).slice(8, -1) === 'Date'
};
/**
* 是否是正则
* @param {*} o
*/
export const isRegExp = (o) => {return Object.prototype.toString.call(o).slice(8, -1) === 'RegExp'
};
/**
* 是否错误对象
* @param {*} o
*/
export const isError = (o) => {return Object.prototype.toString.call(o).slice(8, -1) === 'Error'
};
/**
* 是否 Symbol 函数
* @param {*} o
*/
export const isSymbol = (o) => {return Object.prototype.toString.call(o).slice(8, -1) === 'Symbol'
};
/**
* 是否 Promise 对象
* @param {*} o
*/
export const isPromise = (o) => {return Object.prototype.toString.call(o).slice(8, -1) === 'Promise'
};
/**
* 是否 Set 对象
* @param {*} o
*/
export const isSet = (o) => {return Object.prototype.toString.call(o).slice(8, -1) === 'Set'
};
export const ua = navigator.userAgent.toLowerCase();
/**
* 是否是微信浏览器
*/
export const isWeiXin = () => {return ua.match(/microMessenger/i) == 'micromessenger'
};
/**
* 是否是移动端
*/
export const isDeviceMobile = () => {return /android|webos|iphone|ipod|balckberry/i.test(ua)
};
/**
* 是否是 QQ 浏览器
*/
export const isQQBrowser = () => {return !!ua.match(/mqqbrowser|qzone|qqbrowser|qbwebviewtype/i)
};
/**
* 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)
};
/**
* 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}
};
/**
* 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;
};
/**
* 去除 html 标签
* @param {*} str
*/
export const removeHtmltag = (str) => {return str.replace(/<[^>]+>/g, '')
};
/**
* 获取 url 参数
* @param {*} name
*/
export const getQueryString = (name) => {const reg = new RegExp('(^|&)' + name + '=([^&]*)(&|$)', 'i');
const search = window.location.search.split('?')[1] || '';
const r = search.match(reg) || [];
return r[2];
};
/**
* 动态引入 js
* @param {*} src
*/
export const injectScript = (src) => {const s = document.createElement('script');
s.type = 'text/javascript';
s.async = true;
s.src = src;
const t = document.getElementsByTagName('script')[0];
t.parentNode.insertBefore(s, t);
};
/**
* 根据 url 地址下载
* @param {*} url
*/
export const download = (url) => {var isChrome = navigator.userAgent.toLowerCase().indexOf('chrome') > -1;
var isSafari = navigator.userAgent.toLowerCase().indexOf('safari') > -1;
if (isChrome || isSafari) {var link = document.createElement('a');
link.href = url;
if (link.download !== undefined) {var fileName = url.substring(url.lastIndexOf('/') + 1, url.length);
link.download = fileName;
}
if (document.createEvent) {var e = document.createEvent('MouseEvents');
e.initEvent('click', true, true);
link.dispatchEvent(e);
return true;
}
}
if (url.indexOf('?') === -1) {url += '?download';}
window.open(url, '_self');
return true;
};
/**
* el 是否包含某个 class
* @param {*} el
* @param {*} className
*/
export const hasClass = (el, className) => {let reg = new RegExp('(^|\\s)' + className + '(\\s|$)')
return reg.test(el.className)
};
/**
* el 添加某个 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 去除某个 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, ' ')
};
/**
* 获取滚动的坐标
* @param {*} el
*/
export const getScrollPosition = (el = window) => ({
x: el.pageXOffset !== undefined ? el.pageXOffset : el.scrollLeft,
y: el.pageYOffset !== undefined ? el.pageYOffset : el.scrollTop
});
/**
* 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);
}
};
/**
* el 是否在视口范围内
* @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;
};
/**
* 洗牌算法随机
* @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;
};
/**
* 劫持粘贴板
* @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);
};
/**
* 随机数范围
* @param {*} min
* @param {*} max
*/
export const random = (min, max) => {if (arguments.length === 2) {return Math.floor(min + Math.random() * ((max + 1) - min))
} else {return null;}
};
/**
* 将阿拉伯数字翻译成中文的大写数字
* @param {*} num
*/
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;
};
/**
* 将数字转换为大写金额
* @param {*} Num
*/
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;
};
/**
* 判断一个元素是否在数组中
* @param {*} arr
* @param {*} val
*/
export const contains = (arr, val) => {return arr.indexOf(val) != -1 ? true : false;
};
/**
* 数组排序
* @param {*} arr
* @param {*} 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;
}
})
};
/**
* 数组去重
* @param {*} arr
*/
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;
}
};
/**
* 求两个集合的并集
* @param {*} a
* @param {*} b
*/
export const union = (a, b) => {var newArr = a.concat(b);
return this.unique(newArr);
};
/**
* 求两个集合的交集
* @param {*} a
* @param {*} b
*/
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;
});
};
/**
* 数组删除其中一个元素
* @param {*} arr
* @param {*} ele
*/
export const remove = (arr, ele) => {var index = arr.indexOf(ele);
if (index > -1) {arr.splice(index, 1);
}
return arr;
};
/**
* 将类数组转换为数组
* @param {*} ary
*/
export const formArray = (ary) => {var arr = [];
if (Array.isArray(ary)) {arr = ary;} else {arr = Array.prototype.slice.call(ary);
};
return arr;
};
/**
* 获取数组最大值
* @param {*} arr
*/
export const max = (arr) => {return Math.max.apply(null, arr);
};
/**
* 获取数组最小值
* @param {*} arr
*/
export const min = (arr) => {return Math.min.apply(null, arr);
};
/**
* 数组求和
* @param {*} arr
*/
export const sum = (arr) => {return arr.reduce((pre, cur) => {return pre + cur})
};
/**
* 数组平均值
* @param {*} arr
*/
export const average = (arr) => {return this.sum(arr) / arr.length
};
/**
* 去空格
* @param {*} str
* @param {*} 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;
}
};
/**
* 字符串转换
* @param {*} str
* @param {*} 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;
}
};
/**
* 检测密码强度
* @param {*} str
*/
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;
};
/**
* 函数节流器
* @param {*} fn
* @param {*} time
* @param {*} interval
*/
export const debouncer = (fn, time, interval = 200) => {if (time - (window.debounceTimestamp || 0) > interval) {fn && fn();
window.debounceTimestamp = time;
}
};
/**
* 在字符串中插入新字符串
* @param {*} soure
* @param {*} index
* @param {*} newStr
*/
export const insertStr = (soure, index, newStr) => {var str = soure.slice(0, index) + newStr + soure.slice(index);
return str;
};
/**
* 判断两个对象是否键值相同
* @param {*} a
* @param {*} b
*/
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 进制颜色转 RGBRGBA 字符串
* @param {*} val
* @param {*} opa
*/
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;
};
/**
* 追加 url 参数
* @param {*} url
* @param {*} key
* @param {*} value
*/
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;
};
正文完
发表至： javascript
2020-06-11
