实例介绍
【实例简介】
正计时 倒计时
【实例截图】
【核心代码】
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
namespace Timer
{
public partial class Timer : Form
{
//类字段变量声明
//类字段：当前的时间计数值（以秒为单位）
private int _nowSecond;
private bool _colonFlag = true;
private Bitmap[] _bmpShow = new Bitmap[13];
//自定义方法：由显示字符获取对应的数码管位图
private Image GetResourceImage(string displayStr)
{
if (displayStr == "0")
return _bmpShow[0];
else if (displayStr == "1")
return _bmpShow[1];
else if (displayStr == "2")
return _bmpShow[2];
else if (displayStr == "3")
return _bmpShow[3];
else if (displayStr == "4")
return _bmpShow[4];
else if (displayStr == "5")
return _bmpShow[5];
else if (displayStr == "6")
return _bmpShow[6];
else if (displayStr == "7")
return _bmpShow[7];
else if (displayStr == "8")
return _bmpShow[8];
else if (displayStr == "9")
return _bmpShow[9];
else if (displayStr == ".")
return _bmpShow[10];
else if (displayStr == ":")
return _bmpShow[11];
else
return _bmpShow[12];
}
public Timer()
{
InitializeComponent();
//装载数码管位图文件（注意：要保证Debug目录下有image子目录及bmp文件）
_bmpShow[0] = new Bitmap("image/0.bmp");
_bmpShow[1] = new Bitmap("image/1.bmp");
_bmpShow[2] = new Bitmap("image/2.bmp");
_bmpShow[3] = new Bitmap("image/3.bmp");
_bmpShow[4] = new Bitmap("image/4.bmp");
_bmpShow[5] = new Bitmap("image/5.bmp");
_bmpShow[6] = new Bitmap("image/6.bmp");
_bmpShow[7] = new Bitmap("image/7.bmp");
_bmpShow[8] = new Bitmap("image/8.bmp");
_bmpShow[9] = new Bitmap("image/9.bmp");
_bmpShow[10] = new Bitmap("image/dot1.bmp");
_bmpShow[11] = new Bitmap("image/dot2.bmp");
_bmpShow[12] = new Bitmap("image/blank.bmp");
}
private void label3_Click(object sender, EventArgs e)
{
}
private void labelHour_Click(object sender, EventArgs e)
{
}
private void Timer_Load(object sender, EventArgs e)
{
//初始化所有ImgageBox控件的初始位图
pictureBoxHour1.Image = GetResourceImage("0");
pictureBoxHour2.Image = GetResourceImage("0");
pictureBoxMintue1.Image = GetResourceImage("0");
pictureBoxMintue2.Image = GetResourceImage("0");
pictureBoxSecond1.Image = GetResourceImage("0");
pictureBoxSecond2.Image = GetResourceImage("0");
//pictureBoxSecond3.Image = GetResourceImage("0");
pictureBoxColon1.Image = GetResourceImage(":");
pictureBoxColon2.Image = GetResourceImage(":");
// pictureBoxDot.Image = GetResourceImage(".");
//启用或禁用按钮
buttonStart.Enabled = true;
buttonPause.Enabled = false;
buttonStop.Enabled = false;
//设置按钮文字
buttonPause.Text = "暂停";
/*labelColon1.Text = ":";
labelColon2.Text = ":";
labelColon1.Visible = true;
labelColon2.Visible = true;*/
}
private void buttonStart_Click(object sender, EventArgs e)
{
if (textBoxCountDown.Text.Length == 0)
{
_nowSecond = 0;
//启动定时器
timer1.Enabled = true;
timer2.Enabled = true;
//初始化时间实现值
/*labelHour.Text = "00";
labelMinute.Text = "00";
labelSecond.Text = "00";
labelColon1.Visible = true;
labelColon2.Visible = true;
*/
pictureBoxColon1.Image = GetResourceImage(" ");
pictureBoxColon2.Image = GetResourceImage(" ");
//启用或禁用按钮
buttonStart.Enabled = false;
buttonPause.Enabled = true;
buttonStop.Enabled = true;
//改变文字
buttonPause.Text = "暂停";
}
else
{
_nowSecond = int.Parse(textBoxCountDown.Text);
timer3.Enabled = true;
timer2.Enabled = true;
//初始化时间实现值
/*labelHour.Text = "00";
labelMinute.Text = "00";
labelSecond.Text = "00";
labelColon1.Visible = true;
labelColon2.Visible = true;*/
pictureBoxHour1.Image = GetResourceImage("0");
pictureBoxHour2.Image = GetResourceImage("0");
pictureBoxMintue1.Image = GetResourceImage("0");
pictureBoxMintue2.Image = GetResourceImage("0");
pictureBoxSecond1.Image = GetResourceImage("0");
pictureBoxSecond2.Image = GetResourceImage("0");
// pictureBoxSecond3.Image = GetResourceImage("0");
// pictureBoxDot.Image = GetResourceImage(".");
pictureBoxColon1.Image = GetResourceImage(":");
pictureBoxColon2.Image = GetResourceImage(":");
//启用或禁用按钮
buttonStart.Enabled = false;
buttonPause.Enabled = true;
buttonStop.Enabled = true;
//改变文字
buttonPause.Text = "暂停";
}
}
private void timer1_Tick(object sender, EventArgs e)
{
//当前时间值（以秒为单位）加1
_nowSecond ;
//把当前时间值转化为hh:mm:ss形式
int hour = _nowSecond / 3600;
int minute = (_nowSecond % 3600) / 60;
int second = (_nowSecond % 3600) % 60 ;
//以hh:mm:ss形式显示当前时间值
/*if (hour <= 9)
labelHour.Text = "0" hour.ToString();
else
labelHour.Text = hour.ToString();
if (minute <= 9)
labelMinute.Text = "0" minute.ToString();
else
labelMinute.Text = minute.ToString();
if (second < 10)
labelSecond.Text = "0" second.ToString();
else
labelSecond.Text = second.ToString();*/
//显示
this.pictureBoxSecond1.Image = GetResourceImage((second /10).ToString());
this.pictureBoxSecond2.Image = GetResourceImage((second %10).ToString());
//this.pictureBoxSecond3.Image = GetResourceImage((second*10).ToString());
this.pictureBoxMintue1.Image = GetResourceImage((minute / 10).ToString());
this.pictureBoxMintue2.Image = GetResourceImage((minute % 10).ToString());
this.pictureBoxHour1.Image = GetResourceImage((hour / 10).ToString());
this.pictureBoxHour2.Image = GetResourceImage((hour % 10).ToString());
}
private void timer2_Tick(object sender, EventArgs e)
{
//冒号闪烁
_colonFlag = !_colonFlag;
if (_colonFlag == true)
{
pictureBoxColon1.Image = GetResourceImage(" ");
pictureBoxColon2.Image = GetResourceImage(" ");
}
else
{
pictureBoxColon1.Image = GetResourceImage(":");
pictureBoxColon2.Image = GetResourceImage(":");
}
/* if (labelColon1.Visible == true)
{
labelColon1.Visible = false;
labelColon2.Visible = false;
}
else
{
labelColon1.Visible = true;
labelColon2.Visible = true;
}*/
/* labelColon1.Visible = !labelColon1.Visible;
labelColon2.Visible = !labelColon2.Visible;
if (labelColon1.Visible == true)//显示冒号
labelColon1.Text = ":";
else
{
labelColon1.Text = "";
}
if (labelColon2.Visible == true)//显示冒号
labelColon2.Text = ":";
else
labelColon2.Text = "";*/
}
private void buttonPause_Click(object sender, EventArgs e)
{
//判断按钮为“暂停”按钮还是“继续”按钮
if (buttonPause.Text == "暂停")
{
//停止计时器
timer1.Enabled = false;
timer2.Enabled = false;
timer3.Enabled = false;
//改变按钮文字
buttonPause.Text = "继续";
}
else
{
//启动定时器
if (textBoxCountDown.Text.Length == 0)
{
timer1.Enabled = true;
timer2.Enabled = true;
}
else
{
timer3.Enabled = true;
timer2.Enabled = true;
}
//改变按钮文字
buttonPause.Text = "暂停";
}
/*labelColon1.Visible = true;
labelColon2.Visible = true;*/
_colonFlag = true;
pictureBoxColon1.Image = GetResourceImage(":");
pictureBoxColon2.Image =GetResourceImage(":");
}
private void buttonStop_Click(object sender, EventArgs e)
{
//初始化时间
if (textBoxCountDown.Text.Length == 0)
{
_nowSecond = 0;
//停止计时器
timer1.Enabled = false;
timer2.Enabled = false;
buttonStart.Enabled = true;
buttonPause.Enabled = false;
buttonStop.Enabled = false;
buttonPause.Text = "暂停";
//labelColon1.Visible = true;
//labelColon2.Visible = true;
_colonFlag = true;
pictureBoxColon1.Image = GetResourceImage(":");
pictureBoxColon2.Image = GetResourceImage(":");
}
else
{
textBoxCountDown.Text = "";
timer2.Enabled = false;
timer3.Enabled = false;
buttonStart.Enabled = true;
buttonPause.Enabled = false;
buttonStop.Enabled = false;
buttonPause.Text = "暂停";
/* labelColon1.Visible = true;
labelColon2.Visible = true;
labelHour.Text = "00";
labelMinute.Text = "00";
labelSecond.Text = "00";*/
pictureBoxHour1.Image = GetResourceImage("0");
pictureBoxHour2.Image = GetResourceImage("0");
pictureBoxMintue1.Image = GetResourceImage("0");
pictureBoxMintue2.Image = GetResourceImage("0");
pictureBoxSecond1.Image = GetResourceImage("0");
pictureBoxSecond2.Image = GetResourceImage("0");
// pictureBoxSecond3.Image = GetResourceImage("0");
pictureBoxColon1.Image = GetResourceImage(":");
pictureBoxColon2.Image = GetResourceImage(":");
//pictureBoxDot.Image = GetResourceImage(".");
}
}
//窗口的MOVE事件响应
private void Timer_Move(object sender, EventArgs e)
{
//停靠屏幕左右边框
int screenRight = Screen.PrimaryScreen.Bounds.Right;
int formRight = this.Left this.Size.Width;
if (Math.Abs(screenRight - formRight) <= 100)
this.Left = Math.Abs(screenRight - this.Size.Width);
if (Math.Abs(this.Left) <= 100)
this.Left = 0;
//停靠屏幕上下边框
int screenBottom = Screen.PrimaryScreen.Bounds.Bottom;
int formBottom = this.Top this.Size.Height;
if (Math.Abs(screenBottom - formBottom) <= 60)
this.Top = Math.Abs( screenBottom - this.Size.Height);
if (Math.Abs(this.Top) <= 60)
this.Top = 0;
}
private void labelSecond_Click(object sender, EventArgs e)
{
}
private void textBoxCountDown_TextChanged(object sender, EventArgs e)
{
}
private void labelMinute_Click(object sender, EventArgs e)
{
}
private void timer3_Tick(object sender, EventArgs e)
{
_nowSecond--;
int hour = _nowSecond / 3600;
int minute = (_nowSecond % 3600) / 60;
int second = (_nowSecond % 3600) % 60;
//以hh:mm:ss形式显示当前时间值
this.pictureBoxSecond1.Image = GetResourceImage((second /10).ToString());
this.pictureBoxSecond2.Image = GetResourceImage((second % 10).ToString());
// this.pictureBoxSecond3.Image = GetResourceImage((second % 100 / 10).ToString());
this.pictureBoxMintue1.Image = GetResourceImage((minute / 10).ToString());
this.pictureBoxMintue2.Image = GetResourceImage((minute % 10).ToString());
this.pictureBoxHour1.Image = GetResourceImage((hour / 10).ToString());
this.pictureBoxHour2.Image = GetResourceImage((hour % 10).ToString());
/* if (hour <= 9)
labelHour.Text = "0" hour.ToString();
else
labelHour.Text = hour.ToString();
if (minute <= 9)
labelMinute.Text = "0" minute.ToString();
else
labelMinute.Text = minute.ToString();
if (second < 10)
labelSecond.Text = "0" second.ToString();
else
labelSecond.Text = second.ToString();
*/
if (second <= 0)
{
timer3.Enabled = false;
timer2.Enabled = false;
MessageBox.Show("倒计时结束");
}
}
private void pictureBoxHour1_Click(object sender, EventArgs e)
{
}
private void pictureBoxHour1_Click_1(object sender, EventArgs e)
{
}
}
}
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