99 lines
2.6 KiB
JavaScript
99 lines
2.6 KiB
JavaScript
function formatTime(date) {
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var year = date.getFullYear()
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var month = date.getMonth() + 1
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var day = date.getDate()
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var hour = date.getHours()
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var minute = date.getMinutes()
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var second = date.getSeconds()
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return [year, month, day].map(formatNumber).join('/') + ' ' + [hour, minute, second].map(formatNumber).join(':')
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}
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function formatDate(date) {
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var year = date.getFullYear()
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var month = date.getMonth() + 1
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var day = date.getDate()
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return [year, month, day].map(formatNumber).join('-');
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}
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function formatNumber(n) {
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n = n.toString()
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return n[1] ? n : '0' + n
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}
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/**
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* 判断两个日期相差天数
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*/
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function getDays(strDateStart, strDateEnd) {
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var strSeparator = "-"; //日期分隔符
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var oDate1;
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var oDate2;
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var iDays;
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oDate1 = strDateStart.split(strSeparator);
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oDate2 = strDateEnd.split(strSeparator);
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var strDateS = new Date(oDate1[0], oDate1[1] - 1, oDate1[2]);
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var strDateE = new Date(oDate2[0], oDate2[1] - 1, oDate2[2]);
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iDays = parseInt(Math.abs(strDateS - strDateE) / 1000 / 60 / 60 / 24)//把相差的毫秒数转换为天数
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return iDays;
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}
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function dateToString(now) {
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var year = now.getFullYear();
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var month = (now.getMonth() + 1).toString();
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var day = (now.getDate()).toString();
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if (month.length == 1) {
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month = "0" + month;
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}
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if (day.length == 1) {
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day = "0" + day;
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}
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var dateTime = year + "-" + month + "-" + day ;
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return dateTime;
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}
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//一定概率执行处理，N是概率，例如：七分之一，n就是7
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const randomJudgeDo = n => {
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var randomValue = Math.floor(Math.random() * n) + 1;
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console.log("====randomJudgeDo===" + n + "|" + randomValue);
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if (randomValue == n) {
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return true;
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} else {
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return false;
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}
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}
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function getRandomCode() {
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var chars = ['0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z', 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z'];
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var nums = "";
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for (var i = 0; i < 32; i++) {
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var id = parseInt(Math.random() * 61);
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nums += chars[id];
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}
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return nums;
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}
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const isNull = str => {
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if (str == null || str == undefined || str == '') {
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return true;
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} else {
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return false;
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}
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}
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module.exports = {
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formatTime: formatTime,
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randomJudgeDo: randomJudgeDo,
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getRandomCode: getRandomCode,
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getRandomNum: getRandomCode,
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isNull: isNull,
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getDays: getDays,
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dateToString: dateToString,
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formatDate: formatDate,
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}
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