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55 lines
1.4 KiB
55 lines
1.4 KiB
3 months ago
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// function getWeek(dateTime) {
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// let curDate = new Date(dateTime);
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// let date = new Date(dateTime);
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// // 设置本年的第一天
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// date.setMonth(0);
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// date.setDate(1);
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// let day = date.getDay();
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// var add = 1;
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// console.log("day:", day);
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// if (day == 0) day = 7; // 以周一为一周开始
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// // day = day + 1; // 以周末为一周开始
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// if (day > 5) add = 0; // 获取出现的次数
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// day = 7 - day;
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// let dayGap = (curDate.getTime() - date.getTime()) / 86400000;
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// let result = Math.ceil((dayGap - day) / 7) + add;
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// return result;
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// }
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// console.log(getWeek("2023-02-25"))
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// let date = new Date("2025-06-10");
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// let year = date.getFullYear();
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// date.setMonth(0);
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// date.setDate(1);
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// let day = date.getDay();
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// if(day == 6){
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// day = -1;
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// }
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// date.setDate(6 - day);// 第一个星期五
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let date = new Date("2025-06-10");
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let year = date.getFullYear();
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date.setMonth(0);
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date.setDate(1);
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let day = date.getDay();
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console.log("date: ", day);
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if(day == 0){
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day = 7;
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}
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if(day == 1){
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day = 8;
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}
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date.setDate(9 - day);// 第一个星期一
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console.log("date: ", date);
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// let time = 638598571806538776*100/1000000000;
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//
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// let tick1970 = 62135596800;
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// console.log("date: ",time-tick1970, new Date(Math.floor(time-tick1970)*1000),63859857180-1724260380,
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// new Date(Math.floor(63859857180-62135596800)*1000).toUTCString());
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