javascript十个难点：Javascript总结常用工具类的封装
javascript十个难点：Javascript总结常用工具类的封装
前言
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
return [yy y '-' (m 1)]
}
var formatPre = function(i) {
var y = Math.ceil(i/12)
m = i
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
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(s600/60) 'm' s` 's'
}else if(s > 60) {
str = Math.floor(s/60) 'm' s` 's'
}else{
str = s` '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 && year0==0 && year@0==0) || (year%4==0 && year0!=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*$)/g "");
default:
return str;
}
}
/**
* @param {str}
* @param {type}
* type: 1:首字母大写 2：首页母小写 3：大小写转换 4：全部大写 5：全部小写
* @return {String}
*/
changeCase (str type) {
type = type || 4
switch (type) {
case 1:
return str.replace(/\b\w \b/g function (word) {
return word.substring(0 1).toUpperCase() word.substring(1).toLowerCase();
});
case 2:
return str.replace(/\b\w \b/g function (word) {
return word.substring(0 1).toLowerCase() word.substring(1).toUpperCase();
});
case 3:
return str.split('').map( function(word){
if (/[a-z]/.test(word)) {
return word.toUpperCase();
}else{
return word.toLowerCase()
}
}).join('')
case 4:
return str.toUpperCase();
case 5:
return str.toLowerCase();
default:
return str;
}
}
/*
检测密码强度
*/
checkPwd (str) {
var Lv = 0;
if (str.length < 6) {
return Lv
}
if (/[0-9]/.test(str)) {
Lv
}
if (/[a-z]/.test(str)) {
Lv
}
if (/[A-Z]/.test(str)) {
Lv
}
if (/[\.|-|_]/.test(str)) {
Lv
}
return Lv;
}
/*过滤html代码(把<>转换)*/
filterTag (str) {
str = str.replace(/&/ig "&");
str = str.replace(/</ig "<");
str = str.replace(/>/ig ">");
str = str.replace(" " " ");
return str;
}
5. Number
/*随机数范围*/
random (min max) {
if (arguments.length === 2) {
return Math.floor(min Math.random() * ( (max 1) - min ))
}else{
return null;
}
}
/*将阿拉伯数字翻译成中文的大写数字*/
numberToChinese (num) {
var AA = new Array("零" "一" "二" "三" "四" "五" "六" "七" "八" "九" "十");
var BB = new Array("" "十" "百" "仟" "萬" "億" "点" "");
var a = ("" num).replace(/(^0*)/g "").split(".")
k = 0
re = "";
for(var i = a[0].length - 1; i >= 0; i--) {
switch(k) {
case 0:
re = BB[7] re;
break;
case 4:
if(!new RegExp("0{4}//d{" (a[0].length - i - 1) "}$")
.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
strong {
font-weight: inherit;
}
b
strong {
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
strong {
font-weight: inherit;
}
b
strong {
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;
}
以上都是经常用到的方法
本文作者：咚子
原文链接：http://dzblog.cn/article/5a6f48afad4db304be1e7a5f
版权归作者所有，转载请注明出处
