Date
let date1 = Date()
let date2 = Date()
// date1 < date2 升序排列
if date1?.compare(date2!) == .orderedAscending
{
print("<")
}
//date1 = date2 相等
if date1?.compare(date2!) == .orderedSame
{
print(" = ")
}
//降序排列的 date1 > date2 降序排列
if date1?.compare(date2!) == .orderedDescending
{
print("<")
}
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Last updated: 2022/12/08, 06:27:06