package com.dayu.general.utils
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import java.text.SimpleDateFormat
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import java.util.Calendar
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import java.util.Locale
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object DateUtils {
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private const val DATE_PATTERN = "yyyy-MM-dd HH:mm:ss"
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private val sdf by lazy { SimpleDateFormat(DATE_PATTERN, Locale.getDefault()) }
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/**
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* 将字符串转换为 Calendar 对象
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* @param dateStr 时间字符串，格式：yyyy-MM-dd HH:mm:ss
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* @return 解析后的 Calendar 对象，失败返回 null
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*/
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fun parseStringToCalendar(dateStr: String?): Calendar? {
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if (dateStr.isNullOrEmpty()) return null
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return try {
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val date = sdf.parse(dateStr)
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val calendar = Calendar.getInstance()
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calendar.time = date ?: return null
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calendar
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} catch (e: Exception) {
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e.printStackTrace()
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null
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}
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}
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}
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