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Falcon 2025-10-17 14:11:06 +08:00
commit 38b974a308
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# ---> VisualStudio
## Ignore Visual Studio temporary files, build results, and
## files generated by popular Visual Studio add-ons.
##
## Get latest from https://github.com/github/gitignore/blob/master/VisualStudio.gitignore
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/src/ClientApp/

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<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<OutputType>WinExe</OutputType>
<TargetFramework>net6.0-windows</TargetFramework>
<Nullable>enable</Nullable>
<UseWindowsForms>true</UseWindowsForms>
<ImplicitUsings>enable</ImplicitUsings>
</PropertyGroup>
</Project>

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Microsoft Visual Studio Solution File, Format Version 12.00
# Visual Studio Version 17
VisualStudioVersion = 17.6.33829.357
MinimumVisualStudioVersion = 10.0.40219.1
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "LagerFileView", "LagerFileView.csproj", "{F85986A5-E372-4AED-B74C-D6B6B8D0E59F}"
EndProject
Global
GlobalSection(SolutionConfigurationPlatforms) = preSolution
Debug|Any CPU = Debug|Any CPU
Release|Any CPU = Release|Any CPU
EndGlobalSection
GlobalSection(ProjectConfigurationPlatforms) = postSolution
{F85986A5-E372-4AED-B74C-D6B6B8D0E59F}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
{F85986A5-E372-4AED-B74C-D6B6B8D0E59F}.Debug|Any CPU.Build.0 = Debug|Any CPU
{F85986A5-E372-4AED-B74C-D6B6B8D0E59F}.Release|Any CPU.ActiveCfg = Release|Any CPU
{F85986A5-E372-4AED-B74C-D6B6B8D0E59F}.Release|Any CPU.Build.0 = Release|Any CPU
EndGlobalSection
GlobalSection(SolutionProperties) = preSolution
HideSolutionNode = FALSE
EndGlobalSection
GlobalSection(ExtensibilityGlobals) = postSolution
SolutionGuid = {CD7F1C5A-F750-4CEA-AF15-769D4C4368F7}
EndGlobalSection
EndGlobal

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namespace LagerFileView
{
partial class MainView
{
/// <summary>
/// Required designer variable.
/// </summary>
private System.ComponentModel.IContainer components = null;
/// <summary>
/// Clean up any resources being used.
/// </summary>
/// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
protected override void Dispose(bool disposing) {
if(disposing && (components != null)) {
components.Dispose();
}
base.Dispose(disposing);
}
#region Windows Form Designer generated code
/// <summary>
/// Required method for Designer support - do not modify
/// the contents of this method with the code editor.
/// </summary>
private void InitializeComponent() {
toolStripContainer1 = new ToolStripContainer();
statusStrip1 = new StatusStrip();
labStatus = new ToolStripStatusLabel();
trbFileText = new RichTextBox();
menuStrip1 = new MenuStrip();
butOpenFile = new ToolStripMenuItem();
moveLast = new ToolStripMenuItem();
moveNext = new ToolStripMenuItem();
openFileDialog1 = new OpenFileDialog();
toolStripContainer1.BottomToolStripPanel.SuspendLayout();
toolStripContainer1.ContentPanel.SuspendLayout();
toolStripContainer1.TopToolStripPanel.SuspendLayout();
toolStripContainer1.SuspendLayout();
statusStrip1.SuspendLayout();
menuStrip1.SuspendLayout();
SuspendLayout();
//
// toolStripContainer1
//
//
// toolStripContainer1.BottomToolStripPanel
//
toolStripContainer1.BottomToolStripPanel.Controls.Add(statusStrip1);
//
// toolStripContainer1.ContentPanel
//
toolStripContainer1.ContentPanel.Controls.Add(trbFileText);
toolStripContainer1.ContentPanel.Size = new Size(772,356);
toolStripContainer1.Dock = DockStyle.Fill;
toolStripContainer1.Location = new Point(0,0);
toolStripContainer1.Name = "toolStripContainer1";
toolStripContainer1.Size = new Size(772,403);
toolStripContainer1.TabIndex = 0;
toolStripContainer1.Text = "toolStripContainer1";
//
// toolStripContainer1.TopToolStripPanel
//
toolStripContainer1.TopToolStripPanel.Controls.Add(menuStrip1);
//
// statusStrip1
//
statusStrip1.Dock = DockStyle.None;
statusStrip1.Items.AddRange(new ToolStripItem[] { labStatus });
statusStrip1.Location = new Point(0,0);
statusStrip1.Name = "statusStrip1";
statusStrip1.Size = new Size(772,22);
statusStrip1.TabIndex = 0;
//
// labStatus
//
labStatus.Name = "labStatus";
labStatus.Size = new Size(0,17);
//
// trbFileText
//
trbFileText.Dock = DockStyle.Fill;
trbFileText.Location = new Point(0,0);
trbFileText.Name = "trbFileText";
trbFileText.Size = new Size(772,356);
trbFileText.TabIndex = 0;
trbFileText.Text = "";
//
// menuStrip1
//
menuStrip1.Dock = DockStyle.None;
menuStrip1.Items.AddRange(new ToolStripItem[] { butOpenFile,moveLast,moveNext });
menuStrip1.Location = new Point(0,0);
menuStrip1.Name = "menuStrip1";
menuStrip1.Size = new Size(772,25);
menuStrip1.TabIndex = 0;
menuStrip1.Text = "menuStrip1";
//
// butOpenFile
//
butOpenFile.Name = "butOpenFile";
butOpenFile.Size = new Size(68,21);
butOpenFile.Text = "打开文件";
butOpenFile.Click += butOpenFile_Click;
//
// moveLast
//
moveLast.Name = "moveLast";
moveLast.Size = new Size(56,21);
moveLast.Text = "上一页";
moveLast.Click += moveLast_Click;
//
// moveNext
//
moveNext.Name = "moveNext";
moveNext.Size = new Size(56,21);
moveNext.Text = "下一页";
moveNext.Click += moveNext_Click;
//
// openFileDialog1
//
openFileDialog1.FileName = "openFileDialog1";
//
// MainView
//
AutoScaleDimensions = new SizeF(7F,17F);
AutoScaleMode = AutoScaleMode.Font;
ClientSize = new Size(772,403);
Controls.Add(toolStripContainer1);
MainMenuStrip = menuStrip1;
Name = "MainView";
Text = "MainView";
toolStripContainer1.BottomToolStripPanel.ResumeLayout(false);
toolStripContainer1.BottomToolStripPanel.PerformLayout();
toolStripContainer1.ContentPanel.ResumeLayout(false);
toolStripContainer1.TopToolStripPanel.ResumeLayout(false);
toolStripContainer1.TopToolStripPanel.PerformLayout();
toolStripContainer1.ResumeLayout(false);
toolStripContainer1.PerformLayout();
statusStrip1.ResumeLayout(false);
statusStrip1.PerformLayout();
menuStrip1.ResumeLayout(false);
menuStrip1.PerformLayout();
ResumeLayout(false);
}
#endregion
private ToolStripContainer toolStripContainer1;
private StatusStrip statusStrip1;
private ToolStripStatusLabel labStatus;
private MenuStrip menuStrip1;
private ToolStripMenuItem butOpenFile;
private RichTextBox trbFileText;
private OpenFileDialog openFileDialog1;
private ToolStripMenuItem moveLast;
private ToolStripMenuItem moveNext;
}
}

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using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
namespace LagerFileView
{
public partial class MainView:Form
{
public string FilePath { get; set; }
public int LineNo { get; set; }
public int PageSize { get; set; } = 1000;
public CancellationTokenSource CancelSource { get; set; } = new CancellationTokenSource();
public MainView() {
InitializeComponent();
}
private void butOpenFile_Click(object sender,EventArgs e) {
this.CancelSource.Cancel();
using(var fileDlg = new OpenFileDialog()) {
fileDlg.Filter = "文本文件 (*.txt;*.log)|*.txt;*.log|所有文件 (*.*)|*.*";
if(fileDlg.ShowDialog() == DialogResult.OK) {
this.FilePath = fileDlg.FileName;
this.labStatus.Text = "找到文件,正在打开...";
this.CancelSource = new CancellationTokenSource();
OpenFileTask(this.CancelSource.Token);
}
}
}
private void OpenFileTask(CancellationToken cancellation) {
this.trbFileText.Clear();
Task.Factory.StartNew(() => {
using var fs = new FileStream(this.FilePath,FileMode.Open,FileAccess.Read);
using var reader = new StreamReader(fs);
string? line;
int cl = 0;
int start = this.PageSize * this.LineNo;
int end = start + this.PageSize;
while((line = reader.ReadLine()) != null) {
if(cancellation.IsCancellationRequested) {
break;
}
if(cl < start) {
cl++;
continue;
}
if(cl > end) {
break;
}
this.Invoke(() => {
this.trbFileText.AppendText(line + "\n");
});
cl++;
}
this.labStatus.Text = $"已打开第{start}行至{cl}行";
});
}
private void moveLast_Click(object sender,EventArgs e) {
this.LineNo--;
this.LineNo = Math.Max(0,this.LineNo);
this.CancelSource.Cancel();
this.CancelSource = new CancellationTokenSource();
OpenFileTask(this.CancelSource.Token);
}
private void moveNext_Click(object sender,EventArgs e) {
this.LineNo++;
this.CancelSource.Cancel();
this.CancelSource = new CancellationTokenSource();
OpenFileTask(this.CancelSource.Token);
}
}
}

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<?xml version="1.0" encoding="utf-8"?>
<root>
<!--
Microsoft ResX Schema
Version 2.0
The primary goals of this format is to allow a simple XML format
that is mostly human readable. The generation and parsing of the
various data types are done through the TypeConverter classes
associated with the data types.
Example:
... ado.net/XML headers & schema ...
<resheader name="resmimetype">text/microsoft-resx</resheader>
<resheader name="version">2.0</resheader>
<resheader name="reader">System.Resources.ResXResourceReader, System.Windows.Forms, ...</resheader>
<resheader name="writer">System.Resources.ResXResourceWriter, System.Windows.Forms, ...</resheader>
<data name="Name1"><value>this is my long string</value><comment>this is a comment</comment></data>
<data name="Color1" type="System.Drawing.Color, System.Drawing"">Blue</data>
<data name="Bitmap1" mimetype="application/x-microsoft.net.object.binary.base64">
<value>[base64 mime encoded serialized .NET Framework object]</value>
</data>
<data name="Icon1" type="System.Drawing.Icon, System.Drawing" mimetype="application/x-microsoft.net.object.bytearray.base64">
<value>[base64 mime encoded string representing a byte array form of the .NET Framework object]</value>
<comment>This is a comment</comment>
</data>
There are any number of "resheader" rows that contain simple
name/value pairs.
Each data row contains a name, and value. The row also contains a
type or mimetype. Type corresponds to a .NET class that support
text/value conversion through the TypeConverter architecture.
Classes that don't support this are serialized and stored with the
mimetype set.
The mimetype is used for serialized objects, and tells the
ResXResourceReader how to depersist the object. This is currently not
extensible. For a given mimetype the value must be set accordingly:
Note - application/x-microsoft.net.object.binary.base64 is the format
that the ResXResourceWriter will generate, however the reader can
read any of the formats listed below.
mimetype: application/x-microsoft.net.object.binary.base64
value : The object must be serialized with
: System.Runtime.Serialization.Formatters.Binary.BinaryFormatter
: and then encoded with base64 encoding.
mimetype: application/x-microsoft.net.object.soap.base64
value : The object must be serialized with
: System.Runtime.Serialization.Formatters.Soap.SoapFormatter
: and then encoded with base64 encoding.
mimetype: application/x-microsoft.net.object.bytearray.base64
value : The object must be serialized into a byte array
: using a System.ComponentModel.TypeConverter
: and then encoded with base64 encoding.
-->
<xsd:schema id="root" xmlns="" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
<xsd:import namespace="http://www.w3.org/XML/1998/namespace" />
<xsd:element name="root" msdata:IsDataSet="true">
<xsd:complexType>
<xsd:choice maxOccurs="unbounded">
<xsd:element name="metadata">
<xsd:complexType>
<xsd:sequence>
<xsd:element name="value" type="xsd:string" minOccurs="0" />
</xsd:sequence>
<xsd:attribute name="name" use="required" type="xsd:string" />
<xsd:attribute name="type" type="xsd:string" />
<xsd:attribute name="mimetype" type="xsd:string" />
<xsd:attribute ref="xml:space" />
</xsd:complexType>
</xsd:element>
<xsd:element name="assembly">
<xsd:complexType>
<xsd:attribute name="alias" type="xsd:string" />
<xsd:attribute name="name" type="xsd:string" />
</xsd:complexType>
</xsd:element>
<xsd:element name="data">
<xsd:complexType>
<xsd:sequence>
<xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
<xsd:element name="comment" type="xsd:string" minOccurs="0" msdata:Ordinal="2" />
</xsd:sequence>
<xsd:attribute name="name" type="xsd:string" use="required" msdata:Ordinal="1" />
<xsd:attribute name="type" type="xsd:string" msdata:Ordinal="3" />
<xsd:attribute name="mimetype" type="xsd:string" msdata:Ordinal="4" />
<xsd:attribute ref="xml:space" />
</xsd:complexType>
</xsd:element>
<xsd:element name="resheader">
<xsd:complexType>
<xsd:sequence>
<xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
</xsd:sequence>
<xsd:attribute name="name" type="xsd:string" use="required" />
</xsd:complexType>
</xsd:element>
</xsd:choice>
</xsd:complexType>
</xsd:element>
</xsd:schema>
<resheader name="resmimetype">
<value>text/microsoft-resx</value>
</resheader>
<resheader name="version">
<value>2.0</value>
</resheader>
<resheader name="reader">
<value>System.Resources.ResXResourceReader, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
</resheader>
<resheader name="writer">
<value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
</resheader>
<metadata name="statusStrip1.TrayLocation" type="System.Drawing.Point, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
<value>17, 17</value>
</metadata>
<metadata name="menuStrip1.TrayLocation" type="System.Drawing.Point, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
<value>138, 17</value>
</metadata>
<metadata name="openFileDialog1.TrayLocation" type="System.Drawing.Point, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
<value>258, 17</value>
</metadata>
<metadata name="$this.TrayHeight" type="System.Int32, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089">
<value>39</value>
</metadata>
</root>

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namespace LagerFileView
{
internal static class Program
{
/// <summary>
/// The main entry point for the application.
/// </summary>
[STAThread]
static void Main() {
// To customize application configuration such as set high DPI settings or default font,
// see https://aka.ms/applicationconfiguration.
ApplicationConfiguration.Initialize();
Application.Run(new MainView());
}
}
}

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## 大文件读取软件