英文:
convert time to Date type nest js
问题
在上面的代码中，data.Intime 是一个表示时间的字符串（例如："00:39:41"），而 attendance.date 是一个 Date 类型的变量。您可以使用以下方法将 data.Intime 转换为 Date 类型：
// 将 data.Intime 字符串解析为 Date 对象attendance.date = new Date(`1970-01-01T${data.Intime}Z`);
这里我们将data.Intime字符串与日期字符串（"1970-01-01T"）组合，然后将其传递给 Date 构造函数来创建一个包含日期和时间信息的 Date 对象。最终的 Date 对象将包含正确的日期和时间信息，可以用于赋值给 attendance.date 变量。
英文:
@Cron('23 16 * * *')async transferData() {try {// Retrieve data from the AttendanceBulk tableconst attendanceBulkData = await this.AttendanceBulkModel.findAll();for (const data of attendanceBulkData) {const attendance = new Attendance();// Find the corresponding AttendanceAndBulk entry based on data.UserIdconst attendanceAndBulk = await AttendanceAndBulk.findOne({ where: { UserId: data.UserId } });if (attendanceAndBulk) {attendance.employeeId = attendanceAndBulk.employeeId;attendance.shiftType = data.Intime ? ShiftType.In : ShiftType.Out;attendance.time = new Date(`${data.Intime}`);;attendance.date = data.Date;attendance.outTime= data.Date;console.log(data.Intime)await attendance.save();}}this.logger.log('Data transfer completed successfully.');} catch (error) {this.logger.error('Data transfer failed:', error);}}
In above code I data.Intime is comming like 00:39:41 this. but attendance.date variable is Date type. how can I convert time varibale(00:39:41) to Date type in nest js?
答案1
得分: 1
只返回翻译好的部分：
你只接收小时/分钟/秒钟
这不足以创建一个日期
一个可能有效的解决方案是创建当天的日期，然后将接收到的时间设置在这个日期上
const [hours, minutes, seconds] = date.InTime.split(':');
const timestamp = (new Date()).setHours(hours, minutes, seconds);
const date = new Date(timestamp);
这是关于Date对象的文档链接，我们从中调用setHours方法
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date/setHours
如果您计划大量使用日期，我还建议查看dayjs，这是一个非常方便的JavaScript日期操作库
https://day.js.org/
英文:
You are only receiving hour/minutes/secondes
This is not sufficient to create a date
A solution that might work would be to create the date of the day, and then set the received time on this date
const [hours, minutes, seconds] = date.InTime.split(':');const timestamp = (new Date()).setHours(hours, minutes, seconds);const date = new Date(timestamp);
Here is the link of the documentation for the Date object, from wich we call the setHours methods
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date/setHours
If you plan on working with date a lot, i would also advise to checkout dayjs, a very convenient library for date manipulation in javascript
https://day.js.org/
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