Util.js是對常用函數的封裝,方便在實際項目中使用。
保存cookies函數
module.exports = {
/*
功能:保存cookies函數
參數:name, cookie名字; value, 值; time(天), 過期時間
*/
setCookie: function (name, value, time) {
var days = time; //cookie 保存時間
var exp = new Date(); //獲得當前時間
exp.setTime(exp.getTime() + days * 24 * 3600 * 1000); //換成毫秒
document.cookie = name + "=" + escape(value) + ";expires=" + exp.toGMTString();
},
/*
功能:獲取cookies函數
參數:name, cookie名字
*/
getCookie: function (name) {
var arr = document.cookie.match(new RegExp("(^| )" + name + "=([^;]*)(;|$)"));
if (arr != null) {
return unescape(arr[2]);
} else {
return null;
}
},
/*
功能:刪除cookies函數
參數:name, cookie名字
*/
delCookie: function (name,domain) {
var exp = new Date(); //當前時間
exp.setTime(exp.getTime() - 1);//當前時間減去一,相當於立即過期(可以增減)
var cval = this.getCookie(name);
if (cval != null) document.cookie = name + "=" + cval + "; expires=" + exp.toGMTString()+"; path=/;domain="+domain;////expires是對應過期時間的設置,不設這個值,cookie默認在關閉瀏覽器時失效
}
}
獲取兩個日期之間的所有日期
// 獲取兩個日期之間的所有日期
getAllDate: function (begin, end) {
let results = [];
var ab = begin.split("-");
var ae = end.split("-");
var db = new Date();
db.setUTCFullYear(ab[0], ab[1] - 1, ab[2]);
var de = new Date();
de.setUTCFullYear(ae[0], ae[1] - 1, ae[2]);
var unixDb = db.getTime();
var unixDe = de.getTime();
for (var k = unixDb; k <= unixDe;) {
results.push((new Date(parseInt(k))).format('yy-MM-dd'));
k = k + 24 * 60 * 60 * 1000;
}
return results;
},
獲取兩個日期之間的所有小時
getAllDateHour: function (begin, end) {
let results = [];
var ab = begin.split("-");
var ae = end.split("-");
var db = new Date();
db.setUTCFullYear(ab[0], ab[1] - 1, ab[2]);
var de = new Date();
de.setUTCFullYear(ae[0], ae[1] - 1, ae[2]);
var unixDb = db.getTime();
var unixDe = de.getTime();
for (var k = unixDb; k <= unixDe;) {
for (var i = 0; i < 24; i++) {
if (i < 10) {
results.push((new Date(parseInt(k))).format('yy-MM-dd') + " 0" + i+":00");
} else {
results.push((new Date(parseInt(k))).format('yy-MM-dd') + " " + i+":00");
}
}
k = k + 24 * 60 * 60 * 1000;
}
return results;
},
獲取初始化時間,默認最近一週
// 獲取初始化時間,默認最近一週
getDefaultDate() {
let start = this.getDays(-7);
let end = this.getDays(0);
start.setStart();
end.setEnd();
// let start = this.getHoursTime(-1);
// let end = this.getHoursTime(0);
start = this.timeFormate(start, 'yyyy-MM-dd hh:mm:ss');
end = this.timeFormate(end, 'yyyy-MM-dd hh:mm:ss');
this.selectDate = [start, end];
},
getHoursTime(hours) {
const today = new Date().getTime();
const date = new Date(today + (hours * 60 * 60 * 1000));
return date;
},
// 初始化日期
getDays(days) {
const today = new Date().getTime();
const date = new Date(today + (days * 24 * 60 * 60 * 1000));
return date;
},
formatDate(date, type) {
const yy = date.getFullYear();
const dateM = date.getMonth() + 1;
const mm = dateM > 9 ? dateM : `0${dateM}`;
const dateD = date.getDate();
const dd = dateD > 9 ? dateD : `0${dateD}`;
if (type) {
return `${yy}${type}${mm}${type}${dd}`;
}
return `${yy}${mm}${dd}`;
},
獲取當前時間上個月前12個月的第一天
//獲取當前時間上個月前12個月的第一天
getCurrentMonthFirst(date){
var date = new Date(date);
date.setDate(1);
var month = parseInt(date.getMonth() + 2);
var day = date.getDate();
if (month < 10) {
month = '0' + month
}
if (day < 10) {
day = '0' + day
}
return (date.getFullYear() - 1) + '-' + month + '-' + day;
},
獲取當前時間上個月的最後一天
//獲取當前時間上個月的最後一天
getCurrentMonthLast(date){
var nowdays = new Date(date);
var year = nowdays.getFullYear();
var month = nowdays.getMonth();
if(month==0){
month=12;
year=year-1;
}
if (month < 10) {
month = "0" + month;
}
var lastDay = new Date(year, month, 0);
var lastDayOfPreMonth = year + "-" + month + "-" + lastDay.getDate();//上個月的最後一天
return lastDayOfPreMonth;
},
近一年的日期
// 近一年的日期
getPassYearFormatDate(date) {
var nowDate = date;
var date = new Date(nowDate);
date.setDate(date.getDate()-365);
var seperator1 = "-";
var year = date.getFullYear();
var month = date.getMonth() + 1;
var strDate = date.getDate();
if (month >= 1 && month <= 9) {
month = "0" + month;
}
if (strDate >= 0 && strDate <= 9) {
strDate = "0" + strDate;
}
var currentdate = year + seperator1 + month + seperator1 + strDate;
return currentdate;
},
上個月的日期
// 上個月的日期
getPreMonth(date) {
var arr = date.split('-');
var year = arr[0]; //獲取當前日期的年份
var month = arr[1]; //獲取當前日期的月份
var day = arr[2]; //獲取當前日期的日
var days = new Date(year, month, 0);
days = days.getDate(); //獲取當前日期中月的天數
var year2 = year;
var month2 = parseInt(month) - 1;
if (month2 == 0) {
year2 = parseInt(year2) - 1;
month2 = 12;
}
var day2 = day;
var days2 = new Date(year2, month2, 0);
days2 = days2.getDate();
if (day2 > days2) {
day2 = days2;
}
if (month2 < 10) {
month2 = '0' + month2;
}
var t2 = year2 + '-' + month2 + '-' + day2;
return t2;
},