export function dateFormat(fmt, date) {
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let ret = ""
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date = new Date(date)
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const opt = {
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"Y+": date.getFullYear().toString(), // 年
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"m+": (date.getMonth() + 1).toString(), // 月
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"d+": date.getDate().toString(), // 日
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"H+": date.getHours().toString(), // 时
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"M+": date.getMinutes().toString(), // 分
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"S+": date.getSeconds().toString() // 秒
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// 有其他格式化字符需求可以继续添加，必须转化成字符串
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}
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for (let k in opt) {
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ret = new RegExp("(" + k + ")").exec(fmt)
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if (ret) {
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fmt = fmt.replace(ret[1], ret[1].length == 1 ? opt[k] : opt[k].padStart(ret[1].length, "0"))
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}
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}
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return fmt
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}
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// 判断时间是几分前 几小时前 几天前
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export function timeago(time) {
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var data = new Date(time)
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var dateTimeStamp = data.getTime()
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var minute = 1000 * 60 //把分，时，天，周，半个月，一个月用毫秒表示
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var hour = minute * 60
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var day = hour * 24
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var month = day * 30
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var year = month * 12
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var now = new Date().getTime() //获取当前时间毫秒
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var diffValue = now - dateTimeStamp //时间差
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var result = ""
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if (diffValue < 0) {
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result = time
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} else {
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var minC = diffValue / minute //计算时间差的分，时，天，周，月
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var hourC = diffValue / hour
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var dayC = diffValue / day
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// var weekC = diffValue / (7*day)
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var monthC = diffValue / month
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var yearC = diffValue / year
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if (parseInt(yearC) >= 1) {
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result = parseInt(yearC) + "年前"
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} else if (parseInt(monthC) >= 1) {
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result = parseInt(monthC) + "个月前"
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} else if (parseInt(dayC) > 1) {
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result = parseInt(dayC) + "天前"
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} else if (parseInt(dayC) === 1) {
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result = "1天前"
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} else if (parseInt(hourC) >= 1) {
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result = parseInt(hourC) + "小时前"
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} else if (parseInt(minC) >= 1) {
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result = parseInt(minC) + "分钟前"
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} else {
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result = "刚刚"
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}
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}
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return result
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}
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