进度条实现类
/***********************************************************************
* 文 件 名：ProgressBar.cs
* CopyRight(C) 2016-2020 中国XX工程技术有限公司
* 文件编号：201603230001
* 创 建 人：张华斌
* 创建日期：2016-03-23
* 修 改 人：
* 修改日期：
* 描 述：控制台进度条实现类
***********************************************************************/
using System;
namespace ProgressBarSolution
{
/// <summary>
/// 进度条类型
/// </summary>
public enum ProgressBarType
{
/// <summary>
/// 字符
/// </summary>
Character,
/// <summary>
/// 彩色
/// </summary>
Multicolor
}
public class ProgressBar
{
/// <summary>
/// 光标的列位置。将从 0 开始从左到右对列进行编号。
/// </summary>
public int Left { get; set; }
/// <summary>
/// 光标的行位置。从上到下，从 0 开始为行编号。
/// </summary>
public int Top { get; set; }
/// <summary>
/// 进度条宽度。
/// </summary>
public int Width { get; set; }
/// <summary>
/// 进度条当前值。
/// </summary>
public int Value { get; set; }
/// <summary>
/// 进度条类型
/// </summary>
public ProgressBarType ProgressBarType { get; set; }
private ConsoleColor colorBack;
private ConsoleColor colorFore;
public ProgressBar():this(Console.CursorLeft, Console.CursorTop)
{
}
public ProgressBar(int left, int top, int width = 50, ProgressBarType ProgressBarType = ProgressBarType.Multicolor)
{
this.Left = left;
this.Top = top;
this.Width = width;
this.ProgressBarType = ProgressBarType;
// 清空显示区域；
Console.SetCursorPosition(Left, Top);
for (int i = left; ++i < Console.WindowWidth;) { Console.Write(" "); }
if (this.ProgressBarType == ProgressBarType.Multicolor)
{
// 绘制进度条背景；
colorBack = Console.BackgroundColor;
Console.SetCursorPosition(Left, Top);
Console.BackgroundColor = ConsoleColor.DarkCyan;
for (int i = 0; ++i <= width;) { Console.Write(" "); }
Console.BackgroundColor = colorBack;
}
else
{
// 绘制进度条背景；
Console.SetCursorPosition(left, top);
Console.Write("[");
Console.SetCursorPosition(left + width-1, top);
Console.Write("]");
}
}
public int Dispaly(int value)
{
return Dispaly(value, null);
}
public int Dispaly(int value, string msg )
{
if (this.Value != value)
{
this.Value = value;
if (this.ProgressBarType == ProgressBarType.Multicolor)
{
// 保存背景色与前景色；
colorBack = Console.BackgroundColor;
colorFore = Console.ForegroundColor;
// 绘制进度条进度
Console.BackgroundColor = ConsoleColor.Yellow;
Console.SetCursorPosition(this.Left, this.Top);
Console.Write(new string(' ', (int)Math.Round(this.Value / (100.0 / this.Width))));
Console.BackgroundColor = colorBack;
// 更新进度百分比,原理同上.
Console.ForegroundColor = ConsoleColor.Green;
Console.SetCursorPosition(this.Left + this.Width + 1, this.Top);
if (string.IsNullOrWhiteSpace(msg)) { Console.Write("{0}%", this.Value); } else { Console.Write(msg); }
Console.ForegroundColor = colorFore;
}
else
{
// 绘制进度条进度
Console.SetCursorPosition(this.Left+1, this.Top);
Console.Write(new string('*', (int)Math.Round(this.Value / (100.0 / (this.Width - 2)))));
// 显示百分比
Console.SetCursorPosition(this.Left + this.Width + 1, this.Top);
if (string.IsNullOrWhiteSpace(msg)) { Console.Write("{0}%", this.Value); } else { Console.Write(msg); }
}
}
return value;
}
}
}
GZip文件操作类
/***********************************************************************
* 文 件 名：GZipHelper.cs
* CopyRight(C) 2016-2020 中国XX工程技术有限公司
* 文件编号：201603230002
* 创 建 人：张华斌
* 创建日期：2016-03-23
* 修 改 人：
* 修改日期：
* 描 述：GZip文件操作类
***********************************************************************/
using System;
using System.IO;
using System.IO.Compression;
namespace ProgressBarSolution
{
/// <summary>
/// GZip文件操作类；
/// </summary>
public class GZipHelper
{
/// <summary>
/// 压缩文件；
/// </summary>
/// <param name="inputFileName">输入文件</param>
/// <param name="dispalyProgress">进度条显示函数</param>
public static void Compress(string inputFileName, Func<int, int> dispalyProgress = null)
{
using (FileStream inputFileStream = File.Open(inputFileName, FileMode.Open))
{
using (FileStream outputFileStream = new FileStream(Path.Combine(Path.GetDirectoryName(inputFileName), string.Format("{0}.7z", Path.GetFileNameWithoutExtension(inputFileName))), FileMode.Create, FileAccess.Write))
{
using (GZipStream gzipStream = new GZipStream(outputFileStream, CompressionMode.Compress))
{
byte[] buffer = new byte[1024];
int count = 0;
while ((count = inputFileStream.Read(buffer, 0, buffer.Length)) > 0)
{
gzipStream.Write(buffer, 0, count);
if (dispalyProgress != null) { dispalyProgress(Convert.ToInt32((inputFileStream.Position / (inputFileStream.Length * 1.0)) * 100)); }
}
}
}
}
}
/// <summary>
/// 解压文件
/// </summary>
/// <param name="inputFileName">输入文件</param>
/// <param name="outFileName">输出文件</param>
/// <param name="dispalyProgress">进度条显示函数</param>
public static void Decompress(string inputFileName, string outFileName, Func<int, int> dispalyProgress = null)
{
using (FileStream inputFileStream = File.Open(inputFileName, FileMode.Open))
{
using (FileStream outputFileStream = new FileStream(outFileName, FileMode.Create, FileAccess.Write))
{
using (GZipStream decompressionStream = new GZipStream(inputFileStream, CompressionMode.Decompress))
{
byte[] buffer = new byte[1024];
int count = 0;
while ((count = decompressionStream.Read(buffer, 0, buffer.Length)) > 0)
{
outputFileStream.Write(buffer, 0, count);
if (dispalyProgress != null) { dispalyProgress(Convert.ToInt32((inputFileStream.Position / (inputFileStream.Length * 1.0)) * 100)); }
}
}
}
}
}
}
}
进度条测试程序
/***********************************************************************
* 文 件 名：Program.cs
* CopyRight(C) 2016-2020 中国XX工程技术有限公司
* 文件编号：201603230003
* 创 建 人：张华斌
* 创建日期：2016-03-23
* 修 改 人：
* 修改日期：
* 描 述：控制台进度条测试
***********************************************************************/
using System;
namespace ProgressBarSolution
{
class Program
{
static void Main(string[] args)
{
try
{
Console.WriteLine();
Console.WriteLine("正在压缩文件...");
ProgressBar progressBar = new ProgressBar(Console.CursorLeft, Console.CursorTop, 50, ProgressBarType.Character);
GZipHelper.Compress(@"D:\Temp\book.pdf", ProgressBar.Dispaly);
Console.WriteLine();
Console.WriteLine();
Console.WriteLine("正在解压文件...");
progressBar = new ProgressBar(Console.CursorLeft, Console.CursorTop, 50, ProgressBarType.Multicolor);
GZipHelper.Decompress(@"D:\Temp\book.7z", @"D:\Temp\book.pdf", ProgressBar.Dispaly);
Console.WriteLine();
}
catch (System.ArgumentOutOfRangeException ex)
{
Console.Beep();
Console.WriteLine("进度条宽度超出可显示区域！");
}
finally
{
Console.WriteLine();
Console.WriteLine("操作完成，按任意键退出！");
Console.ReadKey(true);
}
}
}
}
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