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'
}
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'
}
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'
}
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 isEdge = userAgent.indexOf("Edge") > -1; //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["$1"]);
if(fIEVersion == 7) return "IE7"
else if(fIEVersion == 8) return "IE8";
else if(fIEVersion == 9) return "IE9";
else if(fIEVersion == 10) return "IE10";
else if(fIEVersion == 11) return "IE11";
else return "IE7以下"//IE版本过低
}
if (isFF) return "FF";
if (isOpera) return "Opera";
if (isEdge) return "Edge";
if (isSafari) return "Safari";
if (isChrome) return "Chrome";
}
checkStr (str, type) {
switch (type) {
case 'phone': //手机号码
return /^1[3|4|5|7|8][0-9]{9}$/.test(str);
case 'tel': //座机
return /^(0\d{2,3}-\d{7,8})(-\d{1,4})?$/.test(str);
case 'card': //身份证
return /^\d{15}|\d{18}$/.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;
}
}
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 ? 29 : 28
} 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;
}
}
/*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*$)/g, "");
default:
return str;
}
}
/**
* @param {str}
* @param {type}
* type: 1:首字母大写 2：首页母小写 3：大小写转换 4：全部大写 5：全部小写
* @return {String}
*/
changeCase (str, type) {
type = type || 4
switch (type) {
case 1:
return str.replace(/\b\w+\b/g, function (word) {
return word.substring(0, 1).toUpperCase() + word.substring(1).toLowerCase();
});
case 2:
return str.replace(/\b\w+\b/g, function (word) {
return word.substring(0, 1).toLowerCase() + word.substring(1).toUpperCase();
});
case 3:
return str.split('').map( function(word){
if (/[a-z]/.test(word)) {
return word.toUpperCase();
}else{
return word.toLowerCase()
}
}).join('')
case 4:
return str.toUpperCase();
case 5:
return str.toLowerCase();
default:
return str;
}
}
/*
检测密码强度
*/
checkPwd (str) {
var Lv = 0;
if (str.length < 6) {
return Lv
}
if (/[0-9]/.test(str)) {
Lv++
}
if (/[a-z]/.test(str)) {
Lv++
}
if (/[A-Z]/.test(str)) {
Lv++
}
if (/[\.|-|_]/.test(str)) {
Lv++
}
return Lv;
}
/*过滤html代码(把<>转换)*/
filterTag (str) {
str = str.replace(/&/ig, "&");
str = str.replace(//ig, ">");
str = str.replace(" ", " ");
return str;
}
5. Number
/*随机数范围*/
random (min, max) {
if (arguments.length === 2) {
return Math.floor(min + Math.random() * ( (max+1) - min ))
}else{
return null;
}
}
/*将阿拉伯数字翻译成中文的大写数字*/
numberToChinese (num) {
var AA = new Array("零", "一", "二", "三", "四", "五", "六", "七", "八", "九", "十");
var BB = new Array("", "十", "百", "仟", "萬", "億", "点", "");
var a = ("" + num).replace(/(^0*)/g, "").split("."),
k = 0,
re = "";
for(var i = a[0].length - 1; i >= 0; i--) {
switch(k) {
case 0:
re = BB[7] + re;
break;
case 4:
if(!new RegExp("0{4}//d{" + (a[0].length - i - 1) + "}$")
.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()
}
}
