using System;
using System.Collections.Generic;
using System.Text;
using System.Drawing.Color;
namespace ConsoleApplication1
{
class Program
{
public static readonly Color BackColor;static Program()
{
DateTime now = DateTime.Now;
if (now.DayOfWeek = DayOfWeek.Saturday || now.DayOfWeek = DayOfWeek.Sunday)BackColor = Color.Green;elseBackColor = Color.Red;}
private Program()
{}
}
class Text
{
public static void Main()
{
Console.WriteLine(Program.BackColor.ToString());
}
}
}
错误 1 命名空间“System”中不存在类型或命名空间名称“Drawing”(是缺少程序集引用吗?) C:\Users\user\AppData\Local\Temporary Projects\ConsoleApplication1\Program.cs 4 14 ConsoleApplication1
错误 2 找不到类型或命名空间名称“Color”(是否缺少 using 指令或程序集引用?) C:\Users\user\AppData\Local\Temporary Projects\ConsoleApplication1\Program.cs 9 32 ConsoleApplication1
using System.Collections.Generic;
using System.Text;
using System.Drawing.Color;
namespace ConsoleApplication1
{
class Program
{
public static readonly Color BackColor;static Program()
{
DateTime now = DateTime.Now;
if (now.DayOfWeek = DayOfWeek.Saturday || now.DayOfWeek = DayOfWeek.Sunday)BackColor = Color.Green;elseBackColor = Color.Red;}
private Program()
{}
}
class Text
{
public static void Main()
{
Console.WriteLine(Program.BackColor.ToString());
}
}
}
错误 1 命名空间“System”中不存在类型或命名空间名称“Drawing”(是缺少程序集引用吗?) C:\Users\user\AppData\Local\Temporary Projects\ConsoleApplication1\Program.cs 4 14 ConsoleApplication1
错误 2 找不到类型或命名空间名称“Color”(是否缺少 using 指令或程序集引用?) C:\Users\user\AppData\Local\Temporary Projects\ConsoleApplication1\Program.cs 9 32 ConsoleApplication1
然后在程序上方的using指令上添加using System.Drawing; 应该就可以了。
= 改为==
最好加个
Console.Read();
或Console.ReadLine();
using System;
using System.Collections.Generic;
using System.Linq;
using System.Drawing;
//using System.Timers;
using System.Text;namespace ConsoleApplication1
{
class Program
{
public static readonly Color BackColor; static Program()
{
DateTime now = DateTime.Now;
if (now.DayOfWeek == DayOfWeek.Monday || now.DayOfWeek == DayOfWeek.Sunday) BackColor = Color.Green; else BackColor = Color.Red; }
private Program()
{ }
}
class Text
{
public static void Main()
{
Console.WriteLine(Program.BackColor.ToString());
Console.ReadKey();
}
}
}