fork from bc4552c5a8

exts/yapi-plugin-statistics/util.js

@@ -0,0 +1,150 @@
+/**
+ * 获取所需要的日期区间点
+ * @param time {Number} Number是ele日期区间选择组件返回的结果
+ *      Number是之前时刻距离今天的间隔天数，默认是90天
+ * @param start {String} 日期对象，日期区间的开始点 '2017-01-17 00:00:00'
+ * @param withToday {Boolean} 是否包含今天
+ * @return {Array} ['2017-01-17 00:00:00', '2017-01-20 23:59:59']
+ */
+exports.getDateRange = (time = 90, start = false, withToday = true) => {
+    const gapTime = time * 24 * 3600 * 1000;
+    if (!start) {
+        // 没有规定start时间
+        let endTime = getNowMidnightDate().getTime();
+        if (!withToday) {
+            endTime -= 86400000;
+        }
+        return [this.formatYMD(endTime - gapTime), this.formatYMD(endTime - 1000)];
+    }
+    const startTime = dateSpacialWithSafari(start);
+    const endTime = startTime + (gapTime - 1000);
+    return [start, this.formatYMD(endTime)];
+}
+
+// 时间
+const convert2Decimal = num => (num > 9 ? num : `0${num}`)
+
+/**
+ * 获取距今天之前多少天的所有时间
+ *  @param time {Number} Number是ele日期区间选择组件返回的结果
+ *      Number是之前时刻距离今天的间隔天数，默认是30天
+ *  @return {Array} ['2017-01-17', '2017-01-28', '2017-10-29',...]
+ */
+
+exports.getDateInterval = (time = 30) => {
+    // const gapTime = time * 24 * 3600 * 1000;
+    // 今天
+    let endTime = new Date().getTime();
+    let timeList = []
+    for (let i = 0; i < time; i++) {
+        const gapTime = i * 24 * 3600 * 1000;
+        const time = this.formatYMD(endTime - gapTime);
+        timeList.push(time);
+    }
+    return timeList;
+}
+
+/**获取2017-10-27 00:00:00 和 2017-10-27 23:59:59的时间戳
+ *  @param date {String}  "2017-10-27"
+ *  @return {Array} [ 1509033600000, 1509119999000 ]
+ */
+
+exports.getTimeInterval = (date) => {
+    const startTime = (getNowMidnightDate(date).getTime()-86400000)/1000;
+    const endTime =(getNowMidnightDate(date).getTime()-1000)/1000;
+    return [startTime, endTime];
+}
+
+/**
+ * 获取当前时间午夜0点的日期对象
+ */
+const getNowMidnightDate = (time) => {
+    let date;
+    if (time) {
+        date = new Date(time);
+    } else {
+        date = new Date();
+    }
+    return new Date(date.getFullYear(), date.getMonth(), date.getDate() + 1);
+}
+
+/**
+ * 格式化 年、月、日、时、分、秒
+ * @param val {Object or String or Number} 日期对象 或是可new Date的对象或时间戳
+ * @return {String} 2017-01-20 20:00:00
+ */
+const formatDate = val => {
+    let date = val;
+    if (typeof val !== 'object') {
+        date = new Date(val);
+    }
+    return `${[
+        date.getFullYear(),
+        convert2Decimal(date.getMonth() + 1),
+        convert2Decimal(date.getDate())
+    ].join('-')}  ${[
+        convert2Decimal(date.getHours()),
+        convert2Decimal(date.getMinutes()),
+        convert2Decimal(date.getSeconds())
+    ].join(':')}`;
+}
+
+/**
+ * 格式化年、月、日
+ * @param val {Object or String or Number} 日期对象 或是可new Date的对象或时间戳
+ * @return {String} 2017-01-20
+ */
+exports.formatYMD = (val, joinStr = '-') => {
+    let date = val;
+    if (typeof val !== 'object') {
+        date = new Date(val);
+    }
+    return `${[
+        date.getFullYear(),
+        convert2Decimal(date.getMonth() + 1),
+        convert2Decimal(date.getDate())
+    ].join(joinStr)}`;
+}
+
+
+/**
+ * 获取所需的时间差值,
+ * tip：new Date('2017-01-17 00:00:00')在safari下不可用，需进行替换
+ * @param Array ['2017-01-17 00:00:00', '2017-01-20 23:59:59']
+ * @return {Number} 3
+ */
+exports.getDayGapFromRange = dateRange => {
+    const startTime = dateSpacialWithSafari(dateRange[0]);
+    const endTime = dateSpacialWithSafari(dateRange[1]);
+    return Math.ceil((endTime - startTime) / 86400000);
+}
+
+
+/**
+ * dateSpacialWithSafari 格式话safari下通用的格式
+ * @param str {String} 2017-04-19T11:01:19.074+0800 or 2017-10-10 10:10:10
+ * @return {number} date.getTime()
+ */
+const dateSpacialWithSafari = str => {
+    if (str.indexOf('T') > -1) {
+        let date;
+        str.replace(/(\d{4})-(\d{2})-(\d{2})\w(\d{2}):(\d{2}):(\d{2})/, (match, p1, p2, p3, p4, p5, p6) => {
+            date = new Date(p1, +p2 - 1, p3, p4, p5, p6);
+            return;
+        })
+        return date.getTime();
+    }
+    return new Date(str.replace(/-/g, '/')).getTime();
+}
+
+/**
+ * 将内存单位从字节(b)变成GB
+ */
+
+exports.transformBytesToGB = bytes => {
+  return (bytes/1024/1024/1024).toFixed(2)
+}
+
+exports.transformSecondsToDay = seconds => {
+  return (seconds/3600/24).toFixed(2)
+}