package com.loper7.date_time_picker.utils
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import android.content.Context
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import android.text.format.DateFormat
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import java.lang.StringBuilder
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import java.text.ParseException
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import java.text.SimpleDateFormat
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import java.time.*
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import java.time.format.DateTimeFormatter
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import java.time.temporal.TemporalField
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import java.util.*
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/**
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* 字符串操作工具包
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*
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*/
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internal object StringUtils {
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fun conversionTime(
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time: String,
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format: String = "yyyy-MM-dd HH:mm:ss"
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): Long {
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if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.O) {
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val ofPattern = DateTimeFormatter.ofPattern(format)
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return LocalDateTime.parse(time, ofPattern).toInstant(ZoneOffset.ofHours(8))
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.toEpochMilli()
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} else {
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val sdf = SimpleDateFormat(format, Locale.getDefault())
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try {
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return sdf.parse(time)?.time?:0
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} catch (e: ParseException) {
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e.printStackTrace()
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}
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return 0
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}
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}
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/**
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* @param time
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* @return yy-MM-dd HH:mm格式时间
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*/
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fun conversionTime(time: Long, format: String = "yyyy-MM-dd HH:mm:ss"): String {
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return DateFormat.format(format, time).toString()
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}
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/**
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* 根据当前日期获得是星期几
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* time=yyyy-MM-dd
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*
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* @return
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*/
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fun getWeek(time: Long): String {
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val c = Calendar.getInstance()
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c.timeInMillis = time
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return when (c[Calendar.DAY_OF_WEEK]) {
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1 -> "周日"
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2 -> "周一"
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3 -> "周二"
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4 -> "周三"
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5 -> "周四"
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6 -> "周五"
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7 -> "周六"
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else -> ""
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}
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}
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}
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