日期时间。C# 中的 FromBinary()方法
原文:https://www . geesforgeks . org/datetime-from binary-method-in-c-sharp/
日期时间。FromBinary(Int64)方法用于反序列化 64 位二进制值，并重新创建原始序列化的 DateTime 对象。
语法:public static DateTime from binary(长日期数据)； 这里，它采用 64 位有符号整数，在 2 位字段中编码 Kind 属性，在 62 位字段中编码 Ticks 属性。 返回值:该方法返回一个对象，该对象相当于由 ToBinary()方法序列化的 DateTime 对象。 异常:如果日期数据小于最小值或大于最大值，该方法将给出参数异常。
以下程序说明了日期时间的使用。FromBinary(Int64) 方法: T3】例 1:
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// C# program to demonstrate the
// DateTime.FromBinary(Int64) Method
using System;
using System.Globalization;
class GFG {
// Main Method
public static void Main()
{
try {
// creating object of DateTime
DateTime date1 = new DateTime(2010, 1, 1,
8, 0, 15);
// getting a 64-bit signed integer
// using ToBinary() method
long binLocal = date1.ToBinary();
// converting 64-bit into DateTime format
// using FromBinary() method
DateTime date2 = DateTime.FromBinary(binLocal);
// Display the date1
System.Console.WriteLine("DateTime before "
+ "operation: {0:y} {0:dd}",date1);
// Display the date2
System.Console.WriteLine("\nDateTime after"
+ " operation: {0:y} {0:dd}", date2);
}
catch (ArgumentOutOfRangeException e) {
Console.Write("Exception Thrown: ");
Console.Write("{0}", e.GetType(), e.Message);
}
}
}
输出:
DateTime before operation: 2010 January 01
DateTime after operation: 2010 January 01
例 2: 为argumentout of rangeexception为
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// C# program to demonstrate the
// DateTime.FromBinary() Method
using System;
using System.Globalization;
class GFG {
// Main Method
public static void Main()
{
try {
// converting 64-bit into DateTime format
// using FromBinary() method
DateTime date = DateTime.FromBinary(-100000000000000000);
// Display the date
System.Console.WriteLine("\nDateTime: + {0:y} {0:dd} ", date);
}
catch (ArgumentException e)
{
Console.WriteLine("The resulting dateData"
+ " is less than the MinValue ");
Console.Write("Exception Thrown: ");
Console.Write("{0}", e.GetType(), e.Message);
}
}
}
输出:
The resulting dateData is less than the MinValue
Exception Thrown: System.ArgumentException
参考:
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