JavaScript常用工具方法封装

因为工作中经常用到这些方法,所有便把这些方法进行了总结。

JavaScript

1. type 类型判断

isString (o) { //是否字符串

return Object.prototype.toString.call(o).slice(8, -1) === 'String'

}

isNumber (o) { //是否数字

return Object.prototype.toString.call(o).slice(8, -1) === 'Number'

}

isBoolean (o) { //是否boolean

return Object.prototype.toString.call(o).slice(8, -1) === 'Boolean'

}

isFunction (o) { //是否函数

return Object.prototype.toString.call(o).slice(8, -1) === 'Function'

}

isNull (o) { //是否为null

return Object.prototype.toString.call(o).slice(8, -1) === 'Null'

}

isUndefined (o) { //是否undefined

return Object.prototype.toString.call(o).slice(8, -1) === 'Undefined'

}

isObj (o) { //是否对象

return Object.prototype.toString.call(o).slice(8, -1) === 'Object'

}

isArray (o) { //是否数组

return Object.prototype.toString.call(o).slice(8, -1) === 'Array'

}

isDate (o) { //是否时间

return Object.prototype.toString.call(o).slice(8, -1) === 'Date'

}

isRegExp (o) { //是否正则

return Object.prototype.toString.call(o).slice(8, -1) === 'RegExp'

}

isError (o) { //是否错误对象

return Object.prototype.toString.call(o).slice(8, -1) === 'Error'

}

isSymbol (o) { //是否Symbol函数

return Object.prototype.toString.call(o).slice(8, -1) === 'Symbol'

}

isPromise (o) { //是否Promise对象

return Object.prototype.toString.call(o).slice(8, -1) === 'Promise'

}

isSet (o) { //是否Set对象

return Object.prototype.toString.call(o).slice(8, -1) === 'Set'

}

isFalse (o) {

if (!o || o === 'null' || o === 'undefined' || o === 'false' || o === 'NaN') return true

return false

}

isTrue (o) {

return !this.isFalse(o)

}

isIos () {

var u = navigator.userAgent;

if (u.indexOf('Android') > -1 || u.indexOf('Linux') > -1) {//安卓手机

// return "Android";

return false

} else if (u.indexOf('iPhone') > -1) {//苹果手机

// return "iPhone";

return true

} else if (u.indexOf('iPad') > -1) {//iPad

// return "iPad";

return false

} else if (u.indexOf('Windows Phone') > -1) {//winphone手机

// return "Windows Phone";

return false

}else{

return false

}

}

isPC () { //是否为PC端

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;

}

browserType(){

var userAgent = navigator.userAgent; //取得浏览器的userAgent字符串

var isOpera = userAgent.indexOf("Opera") > -1; //判断是否Opera浏览器

var isIE = userAgent.indexOf("compatible") > -1 && userAgent.indexOf("MSIE") > -1 && !isOpera; //判断是否IE浏览器

var isIE11 = userAgent.indexOf('Trident') > -1 && userAgent.indexOf("rv:11.0") > -1;

var isEdge = userAgent.indexOf("Edge") > -1 && !isIE; //判断是否IE的Edge浏览器

var isFF = userAgent.indexOf("Firefox") > -1; //判断是否Firefox浏览器

var isSafari = userAgent.indexOf("Safari") > -1 && userAgent.indexOf("Chrome") == -1; //判断是否Safari浏览器

var isChrome = userAgent.indexOf("Chrome") > -1 && userAgent.indexOf("Safari") > -1; //判断Chrome浏览器

if (isIE) {

var reIE = new RegExp("MSIE (\\d+\\.\\d+);");

reIE.test(userAgent);

var fIEVersion = parseFloat(RegExp["$1"]);

if(fIEVersion == 7) return "IE7"

else if(fIEVersion == 8) return "IE8";

else if(fIEVersion == 9) return "IE9";

else if(fIEVersion == 10) return "IE10";

else return "IE7以下"//IE版本过低

}

if (isIE11) return 'IE11';

if (isEdge) return "Edge";

if (isFF) return "FF";

if (isOpera) return "Opera";

if (isSafari) return "Safari";

if (isChrome) return "Chrome";

}

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

isCardID(sId) {

if (!/(^\d{15}$)|(^\d{17}(\d|X|x)$)/.test(sId)) {

alert('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))]) {

alert('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())) {

alert('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) {

alert('你输入的身份证号非法')

return false

}

return true

}

}

2. Date

/**

* 格式化时间

* @param {time} 时间

* @param {cFormat} 格式

* @return {String} 字符串

* @example formatTime('2018-1-29', '{y}/{m}/{d} {h}:{i}:{s}') // -> 2018/01/29 00:00:00

*/

formatTime(time, cFormat) {

if (arguments.length === 0) return null

if ((time + '').length === 10) {

time = +time * 1000

}

var format = cFormat || '{y}-{m}-{d} {h}:{i}:{s}', date

if (typeof time === 'object') {

date = time

} else {

date = new Date(time)

}

var formatObj = {

y: date.getFullYear(),

m: date.getMonth() + 1,

d: date.getDate(),

h: date.getHours(),

i: date.getMinutes(),

s: date.getSeconds(),

a: date.getDay()

}

var time_str = format.replace(/{(y|m|d|h|i|s|a)+}/g, (result, key) => {

var value = formatObj[key]

if (key === 'a') return ['一', '二', '三', '四', '五', '六', '日'][value - 1]

if (result.length > 0 && value < 10) {

value = '0' + value

}

return value || 0

})

return time_str

}

/**

* 返回指定长度的月份集合

* @param {time} 时间

* @param {len} 长度

* @param {direction} 方向: 1: 前几个月; 2: 后几个月; 3:前后几个月 默认 3

* @return {Array} 数组

* @example getMonths('2018-1-29', 6, 1) // -> ["2018-1", "2017-12", "2017-11", "2017-10", "2017-9", "2017-8", "2017-7"]

*/

getMonths(time, len, direction) {

var mm = new Date(time).getMonth(),

yy = new Date(time).getFullYear(),

direction = isNaN(direction) ? 3 : direction,

index = mm;

var cutMonth = function(index) {

if ( index <= len && index >= -len) {

return direction === 1 ? formatPre(index).concat(cutMonth(++index)):

direction === 2 ? formatNext(index).concat(cutMonth(++index)):formatCurr(index).concat(cutMonth(++index))

}

return []

}

var formatNext = function(i) {

var y = Math.floor(i/12),

m = i%12

return [yy+y + '-' + (m+1)]

}

var formatPre = function(i) {

var y = Math.ceil(i/12),

m = i%12

m = m===0 ? 12 : m

return [yy-y + '-' + (13 - m)]

}

var formatCurr = function(i) {

var y = Math.floor(i/12),

yNext = Math.ceil(i/12),

m = i%12,

mNext = m===0 ? 12 : m

return [yy-yNext + '-' + (13 - mNext),yy+y + '-' + (m+1)]

}

// 数组去重

var unique = function(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;

}

}

return direction !== 3 ? cutMonth(index) : unique(cutMonth(index).sort(function(t1, t2){

return new Date(t1).getTime() - new Date(t2).getTime()

}))

}

/**

* 返回指定长度的天数集合

* @param {time} 时间

* @param {len} 长度

* @param {direction} 方向: 1: 前几天; 2: 后几天; 3:前后几天 默认 3

* @return {Array} 数组

* @example date.getDays('2018-1-29', 6) // -> ["2018-1-26", "2018-1-27", "2018-1-28", "2018-1-29", "2018-1-30", "2018-1-31", "2018-2-1"]

*/

getDays(time, len, diretion) {

var tt = new Date(time)

var getDay = function(day) {

var t = new Date(time)

t.setDate(t.getDate() + day)

var m = t.getMonth()+1

return t.getFullYear()+'-'+m+'-'+t.getDate()

}

var arr = []

if (diretion === 1) {

for (var i = 1; i <= len; i++) {

arr.unshift(getDay(-i))

}

}else if(diretion === 2) {

for (var i = 1; i <= len; i++) {

arr.push(getDay(i))

}

}else {

for (var i = 1; i <= len; i++) {

arr.unshift(getDay(-i))

}

arr.push(tt.getFullYear()+'-'+(tt.getMonth()+1)+'-'+tt.getDate())

for (var i = 1; i <= len; i++) {

arr.push(getDay(i))

}

}

return diretion === 1 ? arr.concat([tt.getFullYear()+'-'+(tt.getMonth()+1)+'-'+tt.getDate()]) :

diretion === 2 ? [tt.getFullYear()+'-'+(tt.getMonth()+1)+'-'+tt.getDate()].concat(arr) : arr

}

/**

* @param {s} 秒数

* @return {String} 字符串

* @example formatHMS(3610) // -> 1h0m10s

*/

formatHMS (s) {

var str = ''

if (s > 3600) {

str = Math.floor(s/3600)+'h'+Math.floor(s%3600/60)+'m'+s%60+'s'

}else if(s > 60) {

str = Math.floor(s/60)+'m'+s%60+'s'

}else{

str = s%60+'s'

}

return str

}

/*获取某月有多少天*/

getMonthOfDay (time) {

var date = new Date(time)

var year = date.getFullYear()

var mouth = date.getMonth() + 1

var days

//当月份为二月时,根据闰年还是非闰年判断天数

if (mouth == 2) {

days = (year%4==0 && year%100==0 && year%400==0) || (year%4==0 && year%100!=0) ? 28 : 29

} else if (mouth == 1 || mouth == 3 || mouth == 5 || mouth == 7 || mouth == 8 || mouth == 10 || mouth == 12) {

//月份为:1,3,5,7,8,10,12 时,为大月.则天数为31;

days = 31

} else {

//其他月份,天数为:30.

days = 30

}

return days

}

/*获取某年有多少天*/

getYearOfDay (time) {

var firstDayYear = this.getFirstDayOfYear(time);

var lastDayYear = this.getLastDayOfYear(time);

var numSecond = (new Date(lastDayYear).getTime() - new Date(firstDayYear).getTime())/1000;

return Math.ceil(numSecond/(24*3600));

}

/*获取某年的第一天*/

getFirstDayOfYear (time) {

var year = new Date(time).getFullYear();

return year + "-01-01 00:00:00";

}

/*获取某年最后一天*/

getLastDayOfYear (time) {

var year = new Date(time).getFullYear();

var dateString = year + "-12-01 00:00:00";

var endDay = this.getMonthOfDay(dateString);

return year + "-12-" + endDay + " 23:59:59";

}

/*获取某个日期是当年中的第几天*/

getDayOfYear (time) {

var firstDayYear = this.getFirstDayOfYear(time);

var numSecond = (new Date(time).getTime() - new Date(firstDayYear).getTime())/1000;

return Math.ceil(numSecond/(24*3600));

}

/*获取某个日期在这一年的第几周*/

getDayOfYearWeek (time) {

var numdays = this.getDayOfYear(time);

return Math.ceil(numdays / 7);

}

3. Array

/*判断一个元素是否在数组中*/

contains (arr, val) {

return arr.indexOf(val) != -1 ? true : false;

}

/**

* @param {arr} 数组

* @param {fn} 回调函数

* @return {undefined}

*/

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} 数组

* @param {fn} 回调函数

* @param {thisObj} this指向

* @return {Array}

*/

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} 数组

* @param {type} 1:从小到大 2:从大到小 3:随机

* @return {Array}

*/

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*/

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;

}

// 注:上面 else 里面的排重并不能区分 2 和 '2',但能减少用indexOf带来的性能,暂时没找到替代的方法。。。

/* 正确排重

if ( Array.hasOwnProperty('from') ) {

return Array.from(new Set(arr))

}else{

var r = [], NaNBol = true

for(var i=0; i < arr.length; i++) {

if (arr[i] !== arr[i]) {

if (NaNBol && r.indexOf(arr[i]) === -1) {

r.push(arr[i])

NaNBol = false

}

}else{

if(r.indexOf(arr[i]) === -1) r.push(arr[i])

}

}

return r

}

*/

}

/*求两个集合的并集*/

union (a, b) {

var newArr = a.concat(b);

return this.unique(newArr);

}

/*求两个集合的交集*/

intersect (a, b) {

var _this = this;

a = this.unique(a);

return this.map(a, function(o) {

return _this.contains(b, o) ? o : null;

});

}

/*删除其中一个元素*/

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的方法*/

formArray (ary) {

var arr = [];

if(Array.isArray(ary)) {

arr = ary;

} else {

arr = Array.prototype.slice.call(ary);

};

return arr;

}

/*最大值*/

max (arr) {

return Math.max.apply(null, arr);

}

/*最小值*/

min (arr) {

return Math.min.apply(null, arr);

}

/*求和*/

sum (arr) {

return arr.reduce( (pre, cur) => {

return pre + cur

})

}

/*平均值*/

average (arr) {

return this.sum(arr)/arr.length

}

4. String 字符串操作

/**

* 去除空格

* @param {str}

* @param {type}

* type: 1-所有空格 2-前后空格 3-前空格 4-后空格

* @return {String}

*/

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:首字母大写 2:首页母小写 3:大小写转换 4:全部大写 5:全部小写

* @return {String}

*/

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

*/

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;

}

/*过滤html代码(把<>转换)*/

filterTag (str) {

str = str.replace(/&/ig, "&amp;");

str = str.replace(/</ig, "&lt;");

str = str.replace(/>/ig, "&gt;");

str = str.replace(" ", "&nbsp;");

return str;

}

5. Number

/*随机数范围*/

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*/

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*/

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;

}

6. Http

/**

* @param {setting}

*/

ajax(setting){

//设置参数的初始值

var opts={

method: (setting.method || "GET").toUpperCase(), //请求方式

url: setting.url || "", // 请求地址

async: setting.async || true, // 是否异步

dataType: setting.dataType || "json", // 解析方式

data: setting.data || "", // 参数

success: setting.success || function(){}, // 请求成功回调

error: setting.error || function(){} // 请求失败回调

}

// 参数格式化

function params_format (obj) {

var str = ''

for (var i in obj) {

str += i + '=' + obj[i] + '&'

}

return str.split('').slice(0, -1).join('')

}

// 创建ajax对象

var xhr=new XMLHttpRequest();

// 连接服务器open(方法GET/POST,请求地址, 异步传输)

if(opts.method == 'GET'){

xhr.open(opts.method, opts.url + "?" + params_format(opts.data), opts.async);

xhr.send();

}else{

xhr.open(opts.method, opts.url, opts.async);

xhr.setRequestHeader("Content-Type","application/x-www-form-urlencoded");

xhr.send(opts.data);

}

/*

** 每当readyState改变时,就会触发onreadystatechange事件

** readyState属性存储有XMLHttpRequest的状态信息

** 0 :请求未初始化

** 1 :服务器连接已建立

** 2 :请求已接受

** 3 : 请求处理中

** 4 :请求已完成,且相应就绪

*/

xhr.onreadystatechange = function() {

if (xhr.readyState === 4 && (xhr.status === 200 || xhr.status === 304)) {

switch(opts.dataType){

case "json":

var json = JSON.parse(xhr.responseText);

opts.success(json);

break;

case "xml":

opts.success(xhr.responseXML);

break;

default:

opts.success(xhr.responseText);

break;

}

}

}

xhr.onerror = function(err) {

opts.error(err);

}

}

/**

* @param {url}

* @param {setting}

* @return {Promise}

*/

fetch(url, setting) {

//设置参数的初始值

let opts={

method: (setting.method || 'GET').toUpperCase(), //请求方式

headers : setting.headers || {}, // 请求头设置

credentials : setting.credentials || true, // 设置cookie是否一起发送

body: setting.body || {},

mode : setting.mode || 'no-cors', // 可以设置 cors, no-cors, same-origin

redirect : setting.redirect || 'follow', // follow, error, manual

cache : setting.cache || 'default' // 设置 cache 模式 (default, reload, no-cache)

}

let dataType = setting.dataType || "json", // 解析方式

data = setting.data || "" // 参数

// 参数格式化

function params_format (obj) {

var str = ''

for (var i in obj) {

str += `${i}=${obj[i]}&`

}

return str.split('').slice(0, -1).join('')

}

if (opts.method === 'GET') {

url = url + (data?`?${params_format(data)}`:'')

}else{

setting.body = data || {}

}

return new Promise( (resolve, reject) => {

fetch(url, opts).then( async res => {

let data = dataType === 'text' ? await res.text() :

dataType === 'blob' ? await res.blob() : await res.json()

resolve(data)

}).catch( e => {

reject(e)

})

})

}

7. DOM

$ (selector){

var type = selector.substring(0, 1);

if (type === '#') {

if (document.querySelecotor) return document.querySelector(selector)

return document.getElementById(selector.substring(1))

}else if (type === '.') {

if (document.querySelecotorAll) return document.querySelectorAll(selector)

return document.getElementsByClassName(selector.substring(1))

}else{

return document['querySelectorAll' ? 'querySelectorAll':'getElementsByTagName'](selector)

}

}

/*检测类名*/

hasClass (ele, name) {

return ele.className.match(new RegExp('(\\s|^)' + name + '(\\s|$)'));

}

/*添加类名*/

addClass (ele, name) {

if (!this.hasClass(ele, name)) ele.className += " " + name;

}

/*删除类名*/

removeClass (ele, name) {

if (this.hasClass(ele, name)) {

var reg = new RegExp('(\\s|^)' + name + '(\\s|$)');

ele.className = ele.className.replace(reg, '');

}

}

/*替换类名*/

replaceClass (ele, newName, oldName) {

this.removeClass(ele, oldName);

this.addClass(ele, newName);

}

/*获取兄弟节点*/

siblings (ele) {

console.log(ele.parentNode)

var chid = ele.parentNode.children,eleMatch = [];

for(var i = 0, len = chid.length; i < len; i ++){

if(chid[i] != ele){

eleMatch.push(chid[i]);

}

}

return eleMatch;

}

/*获取行间样式属性*/

getByStyle (obj,name){

if(obj.currentStyle){

return obj.currentStyle[name];

}else{

return getComputedStyle(obj,false)[name];

}

}

8. Storage 储存操作

class StorageFn {

constructor () {

this.ls = window.localStorage;

this.ss = window.sessionStorage;

}

/*-----------------cookie---------------------*/

/*设置cookie*/

setCookie (name, value, day) {

var setting = arguments[0];

if (Object.prototype.toString.call(setting).slice(8, -1) === 'Object'){

for (var i in setting) {

var oDate = new Date();

oDate.setDate(oDate.getDate() + day);

document.cookie = i + '=' + setting[i] + ';expires=' + oDate;

}

}else{

var oDate = new Date();

oDate.setDate(oDate.getDate() + day);

document.cookie = name + '=' + value + ';expires=' + oDate;

}

}

/*获取cookie*/

getCookie (name) {

var arr = document.cookie.split('; ');

for (var i = 0; i < arr.length; i++) {

var arr2 = arr[i].split('=');

if (arr2[0] == name) {

return arr2[1];

}

}

return '';

}

/*删除cookie*/

removeCookie (name) {

this.setCookie(name, 1, -1);

}

/*-----------------localStorage---------------------*/

/*设置localStorage*/

setLocal(key, val) {

var setting = arguments[0];

if (Object.prototype.toString.call(setting).slice(8, -1) === 'Object'){

for(var i in setting){

this.ls.setItem(i, JSON.stringify(setting[i]))

}

}else{

this.ls.setItem(key, JSON.stringify(val))

}

}

/*获取localStorage*/

getLocal(key) {

if (key) return JSON.parse(this.ls.getItem(key))

return null;

}

/*移除localStorage*/

removeLocal(key) {

this.ls.removeItem(key)

}

/*移除所有localStorage*/

clearLocal() {

this.ls.clear()

}

/*-----------------sessionStorage---------------------*/

/*设置sessionStorage*/

setSession(key, val) {

var setting = arguments[0];

if (Object.prototype.toString.call(setting).slice(8, -1) === 'Object'){

for(var i in setting){

this.ss.setItem(i, JSON.stringify(setting[i]))

}

}else{

this.ss.setItem(key, JSON.stringify(val))

}

}

/*获取sessionStorage*/

getSession(key) {

if (key) return JSON.parse(this.ss.getItem(key))

return null;

}

/*移除sessionStorage*/

removeSession(key) {

this.ss.removeItem(key)

}

/*移除所有sessionStorage*/

clearSession() {

this.ss.clear()

}

}

9. Other 其它操作

/*获取网址参数*/

getURL(name){

var reg = new RegExp("(^|&)"+ name +"=([^&]*)(&|$)");

var r = decodeURI(window.location.search).substr(1).match(reg);

if(r!=null) return r[2]; return null;

}

/*获取全部url参数,并转换成json对象*/

getUrlAllParams (url) {

var url = url ? url : window.location.href;

var _pa = url.substring(url.indexOf('?') + 1),

_arrS = _pa.split('&'),

_rs = {};

for (var i = 0, _len = _arrS.length; i < _len; i++) {

var pos = _arrS[i].indexOf('=');

if (pos == -1) {

continue;

}

var name = _arrS[i].substring(0, pos),

value = window.decodeURIComponent(_arrS[i].substring(pos + 1));

_rs[name] = value;

}

return _rs;

}

/*删除url指定参数,返回url*/

delParamsUrl(url, name){

var baseUrl = url.split('?')[0] + '?';

var query = url.split('?')[1];

if (query.indexOf(name)>-1) {

var obj = {}

var arr = query.split("&");

for (var i = 0; i < arr.length; i++) {

arr[i] = arr[i].split("=");

obj[arr[i][0]] = arr[i][1];

};

delete obj[name];

var url = baseUrl + JSON.stringify(obj).replace(/[\"\{\}]/g,"").replace(/\:/g,"=").replace(/\,/g,"&");

return url

}else{

return url;

}

}

/*获取十六进制随机颜色*/

getRandomColor () {

return '#' + (function(h) {

return new Array(7 - h.length).join("0") + h;

})((Math.random() * 0x1000000 << 0).toString(16));

}

/*图片加载*/

imgLoadAll(arr,callback){

var arrImg = [];

for (var i = 0; i < arr.length; i++) {

var img = new Image();

img.src = arr[i];

img.onload = function(){

arrImg.push(this);

if (arrImg.length == arr.length) {

callback && callback();

}

}

}

}

/*音频加载*/

loadAudio(src, callback) {

var audio = new Audio(src);

audio.onloadedmetadata = callback;

audio.src = src;

}

/*DOM转字符串*/

domToStirng(htmlDOM){

var div= document.createElement("div");

div.appendChild(htmlDOM);

return div.innerHTML

}

/*字符串转DOM*/

stringToDom(htmlString){

var div= document.createElement("div");

div.innerHTML=htmlString;

return div.children[0];

}

/**

* 光标所在位置插入字符,并设置光标位置

* @param {dom} 输入框

* @param {val} 插入的值

* @param {posLen} 光标位置处在 插入的值的哪个位置

*/

setCursorPosition (dom,val,posLen) {

var cursorPosition = 0;

if(dom.selectionStart){

cursorPosition = dom.selectionStart;

}

this.insertAtCursor(dom,val);

dom.focus();

console.log(posLen)

dom.setSelectionRange(dom.value.length,cursorPosition + (posLen || val.length));

}

/*光标所在位置插入字符*/

insertAtCursor(dom, val) {

if (document.selection){

dom.focus();

sel = document.selection.createRange();

sel.text = val;

sel.select();

}else if (dom.selectionStart || dom.selectionStart == '0'){

let startPos = dom.selectionStart;

let endPos = dom.selectionEnd;

let restoreTop = dom.scrollTop;

dom.value = dom.value.substring(0, startPos) + val + dom.value.substring(endPos, dom.value.length);

if (restoreTop > 0){

dom.scrollTop = restoreTop;

}

dom.focus();

dom.selectionStart = startPos + val.length;

dom.selectionEnd = startPos + val.length;

} else {

dom.value += val;

dom.focus();

}

}

CSS

1. pc-reset PC样式初始化

/* normalize.css */

html {

line-height: 1.15;

/* 1 */

-ms-text-size-adjust: 100%;

/* 2 */

-webkit-text-size-adjust: 100%;

/* 2 */

}

body {

margin: 0;

}

article,

aside,

footer,

header,

nav,

section {

display: block;

}

h1 {

font-size: 2em;

margin: 0.67em 0;

}

figcaption,

figure,

main {

/* 1 */

display: block;

}

figure {

margin: 1em 40px;

}

hr {

box-sizing: content-box;

/* 1 */

height: 0;

/* 1 */

overflow: visible;

/* 2 */

}

pre {

font-family: monospace, monospace;

/* 1 */

font-size: 1em;

/* 2 */

}

a {

background-color: transparent;

/* 1 */

-webkit-text-decoration-skip: objects;

/* 2 */

}

abbr[title] {

border-bottom: none;

/* 1 */

text-decoration: underline;

/* 2 */

text-decoration: underline dotted;

/* 2 */

}

b,

span {

font-weight: inherit;

}

b,

span {

font-weight: bolder;

}

code,

kbd,

samp {

font-family: monospace, monospace;

/* 1 */

font-size: 1em;

/* 2 */

}

dfn {

font-style: italic;

}

mark {

background-color: #ff0;

color: #000;

}

small {

font-size: 80%;

}

sub,

sup {

font-size: 75%;

line-height: 0;

position: relative;

vertical-align: baseline;

}

sub {

bottom: -0.25em;

}

sup {

top: -0.5em;

}

audio,

video {

display: inline-block;

}

audio:not([controls]) {

display: none;

height: 0;

}

img {

border-style: none;

}

svg:not(:root) {

overflow: hidden;

}

button,

input,

optgroup,

select,

textarea {

font-family: sans-serif;

/* 1 */

font-size: 100%;

/* 1 */

line-height: 1.15;

/* 1 */

margin: 0;

/* 2 */

}

button,

input {

/* 1 */

overflow: visible;

}

button,

select {

/* 1 */

text-transform: none;

}

button,

html [type="button"],

/* 1 */

[type="reset"],

[type="submit"] {

-webkit-appearance: button;

/* 2 */

}

button::-moz-focus-inner,

[type="button"]::-moz-focus-inner,

[type="reset"]::-moz-focus-inner,

[type="submit"]::-moz-focus-inner {

border-style: none;

padding: 0;

}

button:-moz-focusring,

[type="button"]:-moz-focusring,

[type="reset"]:-moz-focusring,

[type="submit"]:-moz-focusring {

outline: 1px dotted ButtonText;

}

fieldset {

padding: 0.35em 0.75em 0.625em;

}

legend {

box-sizing: border-box;

/* 1 */

color: inherit;

/* 2 */

display: table;

/* 1 */

max-width: 100%;

/* 1 */

padding: 0;

/* 3 */

white-space: normal;

/* 1 */

}

progress {

display: inline-block;

/* 1 */

vertical-align: baseline;

/* 2 */

}

textarea {

overflow: auto;

}

[type="checkbox"],

[type="radio"] {

box-sizing: border-box;

/* 1 */

padding: 0;

/* 2 */

}

[type="number"]::-webkit-inner-spin-button,

[type="number"]::-webkit-outer-spin-button {

height: auto;

}

[type="search"] {

-webkit-appearance: textfield;

/* 1 */

outline-offset: -2px;

/* 2 */

}

[type="search"]::-webkit-search-cancel-button,

[type="search"]::-webkit-search-decoration {

-webkit-appearance: none;

}

::-webkit-file-upload-button {

-webkit-appearance: button;

/* 1 */

font: inherit;

/* 2 */

}

details,

/* 1 */

menu {

display: block;

}

summary {

display: list-item;

}

canvas {

display: inline-block;

}

template {

display: none;

}

[hidden] {

display: none;

}

/* reset */

html,

body,

h1,

h2,

h3,

h4,

h5,

h6,

div,

dl,

dt,

dd,

ul,

ol,

li,

p,

blockquote,

pre,

hr,

figure,

table,

caption,

th,

td,

form,

fieldset,

legend,

input,

button,

textarea,

menu {

margin: 0;

padding: 0;

box-sizing: border-box;

}

2. Phone-reset

/* normalize.css */

html {

line-height: 1.15;

/* 1 */

-ms-text-size-adjust: 100%;

/* 2 */

-webkit-text-size-adjust: 100%;

/* 2 */

}

body {

margin: 0;

}

article,

aside,

footer,

header,

nav,

section {

display: block;

}

h1 {

font-size: 2em;

margin: 0.67em 0;

}

figcaption,

figure,

main {

/* 1 */

display: block;

}

figure {

margin: 1em 40px;

}

hr {

box-sizing: content-box;

/* 1 */

height: 0;

/* 1 */

overflow: visible;

/* 2 */

}

pre {

font-family: monospace, monospace;

/* 1 */

font-size: 1em;

/* 2 */

}

a {

background-color: transparent;

/* 1 */

-webkit-text-decoration-skip: objects;

/* 2 */

}

abbr[title] {

border-bottom: none;

/* 1 */

text-decoration: underline;

/* 2 */

text-decoration: underline dotted;

/* 2 */

}

b,

span {

font-weight: inherit;

}

b,

span {

font-weight: bolder;

}

code,

kbd,

samp {

font-family: monospace, monospace;

/* 1 */

font-size: 1em;

/* 2 */

}

dfn {

font-style: italic;

}

mark {

background-color: #ff0;

color: #000;

}

small {

font-size: 80%;

}

sub,

sup {

font-size: 75%;

line-height: 0;

position: relative;

vertical-align: baseline;

}

sub {

bottom: -0.25em;

}

sup {

top: -0.5em;

}

audio,

video {

display: inline-block;

}

audio:not([controls]) {

display: none;

height: 0;

}

img {

border-style: none;

}

svg:not(:root) {

overflow: hidden;

}

button,

input,

optgroup,

select,

textarea {

font-family: sans-serif;

/* 1 */

font-size: 100%;

/* 1 */

line-height: 1.15;

/* 1 */

margin: 0;

/* 2 */

}

button,

input {

/* 1 */

overflow: visible;

}

button,

select {

/* 1 */

text-transform: none;

}

button,

html [type="button"],

/* 1 */

[type="reset"],

[type="submit"] {

-webkit-appearance: button;

/* 2 */

}

button::-moz-focus-inner,

[type="button"]::-moz-focus-inner,

[type="reset"]::-moz-focus-inner,

[type="submit"]::-moz-focus-inner {

border-style: none;

padding: 0;

}

button:-moz-focusring,

[type="button"]:-moz-focusring,

[type="reset"]:-moz-focusring,

[type="submit"]:-moz-focusring {

outline: 1px dotted ButtonText;

}

fieldset {

padding: 0.35em 0.75em 0.625em;

}

legend {

box-sizing: border-box;

/* 1 */

color: inherit;

/* 2 */

display: table;

/* 1 */

max-width: 100%;

/* 1 */

padding: 0;

/* 3 */

white-space: normal;

/* 1 */

}

progress {

display: inline-block;

/* 1 */

vertical-align: baseline;

/* 2 */

}

textarea {

overflow: auto;

}

[type="checkbox"],

[type="radio"] {

box-sizing: border-box;

/* 1 */

padding: 0;

/* 2 */

}

[type="number"]::-webkit-inner-spin-button,

[type="number"]::-webkit-outer-spin-button {

height: auto;

}

[type="search"] {

-webkit-appearance: textfield;

/* 1 */

outline-offset: -2px;

/* 2 */

}

[type="search"]::-webkit-search-cancel-button,

[type="search"]::-webkit-search-decoration {

-webkit-appearance: none;

}

::-webkit-file-upload-button {

-webkit-appearance: button;

/* 1 */

font: inherit;

/* 2 */

}

details,

/* 1 */

menu {

display: block;

}

summary {

display: list-item;

}

canvas {

display: inline-block;

}

template {

display: none;

}

[hidden] {

display: none;

}

/* reset */

html,

body,

h1,

h2,

h3,

h4,

h5,

h6,

div,

dl,

dt,

dd,

ul,

ol,

li,

p,

blockquote,

pre,

hr,

figure,

table,

caption,

th,

td,

form,

fieldset,

legend,

input,

button,

textarea,

menu {

margin: 0;

padding: 0;

box-sizing: border-box;

}

html,

body {

/* 禁止选中文本 */

-webkit-user-select: none;

user-select: none;

font: Oswald, 'Open Sans', Helvetica, Arial, sans-serif

}

/* 禁止长按链接与图片弹出菜单 */

a,

img {

-webkit-touch-callout: none;

}

/*ios android去除自带阴影的样式*/

a,

input {

-webkit-tap-highlight-color: rgba(0, 0, 0, 0);

}

input[type="text"] {

-webkit-appearance: none;

}

3. 公共样式提取

/* 禁止选中文本 */

.usn{

-webkit-user-select:none;

-moz-user-select:none;

-ms-user-select:none;

-o-user-select:none;

user-select:none;

}

/* 浮动 */

.fl { float: left; }

.fr { float: right; }

.cf { zoom: 1; }

.cf:after {

content:".";

display:block;

clear:both;

visibility:hidden;

height:0;

overflow:hidden;

}

/* 元素类型 */

.db { display: block; }

.dn { display: none; }

.di { display: inline }

.dib {display: inline-block;}

.transparent { opacity: 0 }

/*文字排版、颜色*/

.f12 { font-size:12px }

.f14 { font-size:14px }

.f16 { font-size:16px }

.f18 { font-size:18px }

.f20 { font-size:20px }

.fb { font-weight:bold }

.fn { font-weight:normal }

.t2 { text-indent:2em }

.red,a.red { color:#cc0031 }

.darkblue,a.darkblue { color:#039 }

.gray,a.gray { color:#878787 }

.lh150 { line-height:150% }

.lh180 { line-height:180% }

.lh200 { line-height:200% }

.unl { text-decoration:underline; }

.no_unl { text-decoration:none; }

.tl { text-align: left; }

.tc { text-align: center; }

.tr { text-align: right; }

.tj { text-align: justify; text-justify: inter-ideograph; }

.wn { /* 强制不换行 */

word-wrap:normal;

white-space:nowrap;

}

.wb { /* 强制换行 */

white-space:normal;

word-wrap:break-word;

word-break:break-all;

}

.wp { /* 保持空白序列*/

overflow:hidden;text-align:left;white-space:pre-wrap;word-wrap:break-word;word-break:break-all;

}

.wes { /* 多出部分用省略号表示 , 用于一行 */

overflow:hidden;

word-wrap:normal;

white-space:nowrap;

text-overflow:ellipsis;

}

.wes-2 { /* 适用于webkit内核和移动端 */

display: -webkit-box;

-webkit-box-orient: vertical;

-webkit-line-clamp: 2;

overflow: hidden;

}

.wes-3 {

display: -webkit-box;

-webkit-box-orient: vertical;

-webkit-line-clamp: 3;

overflow: hidden;

}

.wes-4 {

display: -webkit-box;

-webkit-box-orient: vertical;

-webkit-line-clamp: 4;

overflow: hidden;

}

/* 溢出样式 */

.ofh { overflow: hidden; }

.ofs {overflow: scroll; }

.ofa {overflow: auto; }

.ofv {overflow: visible; }

/* 定位方式 */

.ps {position: static; }

.pr {position: relative;zoom:1; }

.pa {position: absolute; }

.pf {position: fixed; }

/* 垂直对齐方式 */

.vt {vertical-align: top; }

.vm {vertical-align: middle; }

.vb {vertical-align: bottom; }

/* 鼠标样式 */

.csd {cursor: default; }

.csp {cursor: pointer; }

.csh {cursor: help; }

.csm {cursor: move; }

/* flex布局 */

.df-sb {

display:flex;

align-items: center;

justify-content: space-between;

}

.df-sa {

display:flex;

align-items: center;

justify-content: space-around;

}

/* 垂直居中 */

.df-c {

display: flex;

align-items: center;

justify-content: center;

}

.tb-c {

text-align:center;

display:table-cell;

vertical-align:middle;

}

.ts-c {

position: absolute;

left: 50%; top: 50%;

transform: translate(-50%, -50%);

}

.ts-mc {

position: absolute;

left: 0;right: 0;

bottom: 0; top: 0;

margin: auto;

}

/* 辅助 */

.mask-fixed-wrapper {

width: 100%;

height: 100%;

position: fixed;

left:0;top:0;

background: rgba(0, 0, 0, 0.65);

z-index: 999;

}

.bg-cover {

background-size: cover;

background-repeat: no-repeat;

background-position: center center;

}

.bg-cover-all {

background-size: 100% 100%;

background-repeat: no-repeat;

background-position: center center;

}

总结

以上是 JavaScript常用工具方法封装 的全部内容, 来源链接: utcz.com/z/336438.html

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