Initial Commit

utils/date.js

@@ -0,0 +1,88 @@
+/**
+ * 数据格式化
+ * @param {*} date 时间或者时间字符串
+ * @param {*} format 时间格式
+ * @returns 格式化后的时间字符串
+ */
+function dateFormat(date, format = 'yyyy.mm.dd') {
+	let dt = date;
+	if (!(date instanceof Date)) {
+		dt = new Date(Date.parse(date.replace(/-/g, '/')));
+	}
+	if (dt == "Invalid Date") {
+		return ''
+	}
+	let y = dt.getFullYear();
+	//
+	let m = (dt.getMonth() + 1).toString().padStart(2, '0');
+	let d = dt
+		.getDate()
+		.toString()
+		.padStart(2, '0');
+	let h = dt
+		.getHours()
+		.toString()
+		.padStart(2, '0');
+	let mm = dt
+		.getMinutes()
+		.toString()
+		.padStart(2, '0');
+	let s = dt
+		.getSeconds()
+		.toString()
+		.padStart(2, '0');
+	if (format.toLocaleLowerCase() === 'yyyy-mm-dd' || format.toLocaleLowerCase() === '') {
+		return `${y}-${m}-${d}`;
+	} else if (format.toLocaleLowerCase() === 'yyyy/mm/dd') {
+		return `${y}/${m}/${d}`;
+	} else if (format.toLocaleLowerCase() === 'yyyy.mm.dd') {
+		return `${y}.${m}.${d}`;
+	} else if (format.toLocaleLowerCase() === 'yyyy.mm.dd hh:mm:ss') {
+		return `${y}.${m}.${d} ${h}:${mm}:${s}`;
+	} else if (format.toLocaleLowerCase() === 'yyyy.mm.dd hh:mm') {
+		return `${y}.${m}.${d} ${h}:${mm}`;
+	} else if (format.toLocaleLowerCase() === 'yyyy-mm-dd hh:mm:ss') {
+		return `${y}-${m}-${d} ${h}:${mm}:${s}`;
+	} else if (format.toLocaleLowerCase() === 'yyyy/mm/dd hh:mm:ss') {
+		return `${y}/${m}/${d} ${h}:${mm}:${s}`;
+	} else if (format.toLocaleLowerCase() === 'mm/dd') {
+		return `${m}/${d}`;
+	} else if (format.toLocaleLowerCase() === 'mm-dd') {
+		return `${m}-${d}`;
+	} else if (format.toLocaleLowerCase() === 'yyyy-mm') {
+		return `${y}-${m}`;
+	} else if (format.toLocaleLowerCase() === 'dd ye') {
+		return `${d} ${en_mon_arr[dt.getMonth()]}`;
+	} else if (format.toLocaleLowerCase() === 'yyyy年mm月') {
+		return `${y}年${m}月`;
+	} else if (format.toLocaleLowerCase() === 'mm月dd日 hh:mm') {
+		return `${m}月${d}日 ${h}:${mm}`;
+	} else {
+		return `输入的时间格式有误`;
+	}
+}
+export function monthDealWith(dateStr, cycle = 3) {
+    let date = new Date(); // 字符串转日期
+    // let day = date.getDate(); // 今天
+    let newDate = new Date(date.getFullYear(), date.getMonth(),date.getDate() + cycle);
+    // let afterDate = new Date(date.getFullYear(), date.getMonth() + cycle + 1);
+  
+    // let newMonth = newDate.getMonth() + 1;
+    // if (newMonth < 10) {
+    //   newMonth = `0${newMonth}`;
+    // }
+    // let lastDate = new Date(afterDate.getFullYear(), afterDate.getMonth(), afterDate.getDate() - 1);
+    // let lastDay = lastDate.getDate();
+  
+    // if (day > lastDay) {
+    //   return new Date(`${newDate.getFullYear()}-${newMonth}-${lastDay}`)
+    // } else {
+    //   if (isSub) {
+    //     return new Date(newDate.getFullYear(), newDate.getMonth(), day - 1)
+    //   } else {
+    //     return new Date(`${newDate.getFullYear()}-${newMonth}-${day}`)
+    //   }
+    // }
+    
+    return dateFormat(newDate,'yyyy-mm-dd')
+}