C# WPF Http Tool

By jerryxjr1220 at 2023-10-10 • 0人收藏 • 442人看过

练手项目，涉及MVVM数据绑定，RelayCommand命令绑定，跨线程Messenger传参等，Html解析用了HtmlAgility库，递归读取DocumentNode后画到TreeView里。

屏幕截图 2023-10-10 145514.png

using System;
using System.Net;
using CommunityToolkit.Mvvm.ComponentModel;

namespace WPFHttpTool.Models;

public partial class HttpClientModel : ObservableObject
{
    [ObservableProperty] private WebClient _client;

    [Obsolete("Obsolete")]
    public HttpClientModel()
    {
        Client = new WebClient();
    }
}

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Net.Http.Json;
using System.Text;
using System.Threading.Tasks;
using CommunityToolkit.Mvvm.ComponentModel;
using CommunityToolkit.Mvvm.Input;
using CommunityToolkit.Mvvm.Messaging;
using WPFHttpTool.Models;
using WPFHttpTool.Views;

namespace WPFHttpTool.ViewModels;

public partial class MainViewModel : ObservableObject
{
    [ObservableProperty] private HttpClientModel _clientModel;
    [ObservableProperty] private string? _method;
    [ObservableProperty] private BindingList<Tuple<string, string>> _requestHeaders;
    [ObservableProperty] private BindingList<Tuple<string, string>> _requestParameters;
    [ObservableProperty] private ResultPage _resultPage = new();
    [ObservableProperty] private string? _url;

    [Obsolete("Obsolete")]
    public MainViewModel()
    {
        ClientModel = new HttpClientModel();
        Url = string.Empty;
        Method = "GET";
        RequestHeaders = new BindingList<Tuple<string, string>>();
        RequestParameters = new BindingList<Tuple<string, string>>();

        RequestHeaders.Add(new Tuple<string, string>("User-Agent",
            "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/"));

        #region 注册并接受消息

        WeakReferenceMessenger.Default.Register<AddRequestPage.CustomizedMessage>(this, (o, m) =>
        {
            RequestHeaders = m.viewmodel.RequestHeaders;
            RequestParameters = m.viewmodel.RequestParameters;
        });

        #endregion
    }

    [RelayCommand]
    public async Task RecievedAsString()
    {
        ClientModel.Client.Headers.Clear();
        switch (Method)
        {
            case "GET":
                foreach (var header in RequestHeaders) ClientModel.Client.Headers.Add(header.Item1, header.Item2);

                string? parStr = null;
                var sb = new StringBuilder();
                foreach (var par in RequestParameters) sb.Append(par.Item1 + "=" + par.Item2 + "&");

                if (sb.Length > 1) parStr = sb.ToString()[..^1];
                var resp = await ClientModel.Client.DownloadStringTaskAsync(Url + "?" + parStr);
                ResultPage = new ResultPage();
                ResultPage.RenderPage(ClientModel, resp, null);
                ResultPage.Show();
                break;
            case "POST":
                foreach (var header in RequestHeaders) ClientModel.Client.Headers.Add(header.Item1, header.Item2);

                var pars = new List<string>();
                foreach (var par in RequestParameters) pars.Add(par.Item2);

                var jObject = JsonContent.Create(pars);
                var resp2 = await ClientModel.Client.UploadStringTaskAsync(Url!, jObject?.ToString() ?? string.Empty);
                ResultPage = new ResultPage();
                ResultPage.RenderPage(ClientModel, resp2, null);
                ResultPage.Show();
                break;
        }
    }

    [RelayCommand]
    public async Task RecievedAsBytes()
    {
        ClientModel.Client.Headers.Clear();
        switch (Method)
        {
            case "GET":
                foreach (var header in RequestHeaders) ClientModel.Client.Headers.Add(header.Item1, header.Item2);

                string? parStr = null;
                var sb = new StringBuilder();
                foreach (var par in RequestParameters) sb.Append(par.Item1 + "=" + par.Item2 + "&");

                if (sb.Length > 1) parStr = sb.ToString()[..^1];
                var resp = await ClientModel.Client.DownloadDataTaskAsync(new Uri(Url + "?" + parStr));
                ResultPage = new ResultPage();
                ResultPage.RenderPage(ClientModel, null, resp);
                ResultPage.Show();
                break;
            case "POST":
                foreach (var header in RequestHeaders) ClientModel.Client.Headers.Add(header.Item1, header.Item2);

                var pars = new List<string>();
                foreach (var par in RequestParameters) pars.Add(par.Item2);

                var jObject = JsonContent.Create(pars);
                var resp2 = await ClientModel.Client.UploadStringTaskAsync(Url!, jObject?.ToString() ?? string.Empty);
                ResultPage = new ResultPage();
                ResultPage.RenderPage(ClientModel, resp2, null);
                ResultPage.Show();
                break;
        }
    }
}

<hc:GlowWindow x:Class="WPFHttpTool.Views.MainWindow"
               xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
               xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
               xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
               xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
               xmlns:vm="clr-namespace:WPFHttpTool.ViewModels"
               xmlns:hc="https://handyorg.github.io/handycontrol"
               d:DataContext="{d:DesignInstance Type=vm:MainViewModel}"
               mc:Ignorable="d"
               Title="

4 个回复 | 最后更新于 2023-10-11

jerryxjr1220

2023-10-10 #1

<hc:GlowWindow x:Class="WPFHttpTool.Views.MainWindow"
               xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
               xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
               xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
               xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
               xmlns:vm="clr-namespace:WPFHttpTool.ViewModels"
               xmlns:hc="https://handyorg.github.io/handycontrol"
               d:DataContext="{d:DesignInstance Type=vm:MainViewModel}"
               mc:Ignorable="d"
               Title="Http Tool" MinHeight="500" MinWidth="800" Width="900" Height="500"
               FontFamily="JetBrains Mono"
               FontSize="{StaticResource TextFontSize}">
    <Window.Resources>
    </Window.Resources>
    <hc:SimplePanel>
        <ScrollViewer x:Name="scrollViewer" VerticalScrollBarVisibility="Auto">
            <Grid>
                <Grid.RowDefinitions>
                    <RowDefinition Height="*" />
                    <RowDefinition Height="6*" />
                </Grid.RowDefinitions>
                <Grid.ColumnDefinitions>
                    <ColumnDefinition Width="*" />
                    <ColumnDefinition Width="*" />
                </Grid.ColumnDefinitions>
                <WrapPanel Grid.Row="0" Grid.Column="0" Grid.ColumnSpan="2"
                           HorizontalAlignment="Center" VerticalAlignment="Center"
                           Width="800">
                    <hc:ComboBox x:Name="cbMethod" AutoComplete="True" SelectedIndex="0" FontSize="20" Width="100"
                                 Style="{StaticResource ComboBoxExtend}"
                                 SelectionChanged="CbMethod_OnSelectionChanged">
                        <ComboBoxItem Content="GET" Style="{StaticResource ComboBoxItemCapsuleVerticalFirst}" />
                        <ComboBoxItem Content="POST" Style="{StaticResource ComboBoxItemCapsuleVerticalLast}" />
                    </hc:ComboBox>
                    <hc:TextBox hc:InfoElement.Title="URL:" hc:InfoElement.TitlePlacement="Left"
                                hc:InfoElement.Necessary="True" hc:InfoElement.Placeholder="Http(s)://"
                                Text="{Binding Url}"
                                FontSize="20" Width="480" Margin="16,0" Style="{StaticResource TextBoxExtend}" />
                    <Button Content="As String" Style="{StaticResource ButtonPrimary}" Margin="5"
                            Command="{Binding RecievedAsStringCommand}" />
                    <Button Content="As Bytes" Style="{StaticResource ButtonPrimary}" Margin="5"
                            Command="{Binding RecievedAsBytesCommand}" />
                </WrapPanel>
                <ScrollViewer Grid.Row="1" Grid.Column="0" VerticalScrollBarVisibility="Auto">
                    <WrapPanel>
                        <TextBlock Text="请求头" VerticalAlignment="Center" Margin="10"
                                   Style="{StaticResource TextBlockSubTitle}" />
                        <Button Content="新增请求表头" Style="{StaticResource ButtonPrimary}" VerticalAlignment="Center"
                                Click="ButtonAddRequest_OnClick" x:Name="ButtonAddHeader" />
                        <DataGrid Style="{StaticResource DataGridBaseStyle}" HorizontalContentAlignment="Center"
                                  MinWidth="450" ItemsSource="{Binding RequestHeaders}" AutoGenerateColumns="False">
                            <DataGrid.Columns>
                                <DataGridTextColumn Header="Keys" Width="150" Binding="{Binding Item1}"
                                                    IsReadOnly="True" />
                                <DataGridTextColumn Header="Values" Binding="{Binding Item2}" IsReadOnly="True" />
                            </DataGrid.Columns>
                        </DataGrid>
                    </WrapPanel>

                </ScrollViewer>
                <ScrollViewer Grid.Row="1" Grid.Column="1" VerticalScrollBarVisibility="Auto">
                    <WrapPanel>
                        <TextBlock Text="请求参数" VerticalAlignment="Center" Margin="10"
                                   Style="{StaticResource TextBlockSubTitle}" />
                        <Button Content="新增请求参数" Style="{StaticResource ButtonPrimary}" VerticalAlignment="Center"
                                Click="ButtonAddRequest_OnClick" x:Name="ButtonAddParameter" />
                        <DataGrid Style="{StaticResource DataGridBaseStyle}" HorizontalContentAlignment="Center"
                                  ItemsSource="{Binding RequestParameters}"
                                  MinWidth="450" AutoGenerateColumns="False">
                            <DataGrid.Columns>
                                <DataGridTextColumn Header="Key" Width="150" Binding="{Binding Item1}"
                                                    IsReadOnly="True" />
                                <DataGridTextColumn Header="Value" Binding="{Binding Item2}" IsReadOnly="True" />
                            </DataGrid.Columns>
                        </DataGrid>
                    </WrapPanel>
                </ScrollViewer>
            </Grid>
        </ScrollViewer>
    </hc:SimplePanel>
</hc:GlowWindow>

using System;
using System.Windows;
using System.Windows.Controls;
using HandyControl.Controls;
using WPFHttpTool.ViewModels;

namespace WPFHttpTool.Views;

/// <summary>
///     Interaction logic for MainWindow.xaml
/// </summary>
public partial class MainWindow : GlowWindow
{
    private readonly MainViewModel mainViewModel;

    public MainWindow()
    {
        InitializeComponent();

        mainViewModel = new MainViewModel();

        DataContext = mainViewModel;
    }

    private void ButtonAddRequest_OnClick(object sender, RoutedEventArgs e)
    {
        var b = sender as Button;
        var addRequestPage = new AddRequestPage(mainViewModel, b.Name);
        addRequestPage.Show();
    }


    private void CbMethod_OnSelectionChanged(object sender, SelectionChangedEventArgs e)
    {
        try
        {
            switch (cbMethod.SelectedIndex)
            {
                case 0:
                    mainViewModel.Method = "GET";
                    break;
                case 1:
                    mainViewModel.Method = "POST";
                    break;
            }
        }
        catch (Exception ex)
        {
            //ignored
        }
    }
}

jerryxjr1220

2023-10-10 #2

<Window x:Class="WPFHttpTool.Views.AddRequestPage"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
        xmlns:hc="https://handyorg.github.io/handycontrol"
        xmlns:vm="clr-namespace:WPFHttpTool.ViewModels"
        mc:Ignorable="d"
        d:DataContext="{d:DesignInstance Type=vm:MainViewModel}"
        Title="Add..." Height="280" Width="400" ResizeMode="NoResize">
    <StackPanel HorizontalAlignment="Center" VerticalAlignment="Center">
        <TextBox x:Name="tbKey" Width="300" Margin="10"
                 hc:InfoElement.Title="Key" hc:InfoElement.TitlePlacement="Left" />
        <TextBox x:Name="tbValue" Width="300" Height="150" MaxLines="6" VerticalContentAlignment="Top"
                 hc:InfoElement.Title="Value" hc:InfoElement.TitlePlacement="Left" />
        <Button Content="Submit" Style="{StaticResource ButtonPrimary}" Margin="5"
                Click="ButtonSubmit_OnClick" />
    </StackPanel>
</Window>

using System;
using System.Windows;
using CommunityToolkit.Mvvm.Messaging;
using CommunityToolkit.Mvvm.Messaging.Messages;
using WPFHttpTool.ViewModels;

namespace WPFHttpTool.Views;

public partial class AddRequestPage : Window
{
    private readonly string _buttonName;
    private readonly MainViewModel _mainViewModel;

    public AddRequestPage(MainViewModel _viewModel, string _name)
    {
        InitializeComponent();
        _mainViewModel = _viewModel;
        _buttonName = _name;
    }

    private void ButtonSubmit_OnClick(object sender, RoutedEventArgs e)
    {
        if (_buttonName == "ButtonAddHeader")
            _mainViewModel.RequestHeaders.Add(new Tuple<string, string>(tbKey.Text, tbValue.Text));
        else
            _mainViewModel.RequestParameters.Add(new Tuple<string, string>(tbKey.Text, tbValue.Text));

        var cm = new CustomizedMessage(_mainViewModel);
        WeakReferenceMessenger.Default.Send(cm);
        Close();
    }

    //定义消息
    public class
        CustomizedMessage : ValueChangedMessage<MainViewModel> // PropertyChangedMessage // RequestMessage ( Async + ..)
    {
        public MainViewModel viewmodel;

        public CustomizedMessage(MainViewModel value) : base(value)
        {
            viewmodel = value;
        }
    }
}

jerryxjr1220

2023-10-10 #3

<Window x:Class="WPFHttpTool.Views.ResultPage"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
        xmlns:local="clr-namespace:WPFHttpTool.Views"
        xmlns:hc="https://handyorg.github.io/handycontrol"
        mc:Ignorable="d"
        d:DataContext="{d:DesignInstance Type=local:ResultPage}"
        Title="Received Response" Height="850" Width="800" ResizeMode="NoResize">
    <StackPanel>
        <hc:Shield Status="Headers" Subject="Response" Color="Green" Margin="10,5" />
        <DataGrid ItemsSource="{Binding RespHeaders}" AutoGenerateColumns="False" IsReadOnly="True"
                  VerticalScrollBarVisibility="Auto" HorizontalScrollBarVisibility="Auto" Height="350" Width="780">
            <DataGrid.Columns>
                <DataGridTextColumn Header="Key" Binding="{Binding  Item1 }" />
                <DataGridTextColumn Header="Value" Binding="{Binding Item2 }" />
            </DataGrid.Columns>
        </DataGrid>
        <WrapPanel>
            <hc:Shield Status="Html" Subject="Response" Color="Green" Margin="10,5" />
            <Button Content="Parse" Style="{StaticResource ButtonSuccess.Small}"
                    Command="{Binding ParseHtmlCommand}" />
        </WrapPanel>

        <TextBox MaxLines="21" VerticalScrollBarVisibility="Auto" IsReadOnly="True" Text="{Binding ReceivedString}"
                 TextWrapping="Wrap" />

        <hc:Shield Status="Bytes Length" Subject="Response" Color="Green" Margin="10,5" />
        <TextBox IsReadOnly="True" Text="{Binding ReceivedBytesLength}" />
    </StackPanel>
</Window>

using System;
using System.Collections.ObjectModel;
using System.Windows;
using CommunityToolkit.Mvvm.ComponentModel;
using CommunityToolkit.Mvvm.Input;
using HtmlAgilityPack;
using WPFHttpTool.Models;

namespace WPFHttpTool.Views;

[ObservableObject]
public partial class ResultPage : Window
{
    [ObservableProperty] private HttpClientModel? _clientModel;
    [ObservableProperty] private byte[] _receivedBytes = Array.Empty<byte>();
    [ObservableProperty] private int _receivedBytesLength;
    [ObservableProperty] private string? _receivedString;
    [ObservableProperty] private ObservableCollection<Tuple<string, string>> _respHeaders;

    public ResultPage()
    {
        InitializeComponent();
        RespHeaders = new ObservableCollection<Tuple<string, string>>();

        DataContext = this;
    }

    public void RenderPage(HttpClientModel _httpClientModel, string? receivedString, byte[]? receivedBytes)
    {
        ClientModel = _httpClientModel;
        ReceivedString = receivedString;
        if (receivedBytes is not null) ReceivedBytes = receivedBytes;
        ReceivedBytesLength = ReceivedBytes.Length;
        var keys = ClientModel.Client.ResponseHeaders?.AllKeys;
        foreach (var key in keys)
        {
            var value = ClientModel.Client.ResponseHeaders?.GetValues(key)?[0];
            if (value is not null) RespHeaders.Add(new Tuple<string, string>(key, value));
        }
    }

    [RelayCommand]
    public void ParseHtml()
    {
        var htmlDocument = new HtmlDocument();
        htmlDocument.LoadHtml(ReceivedString);
        var treeViewPage = new TreeViewPage(htmlDocument);
        treeViewPage.Show();
    }
}

<Window x:Class="WPFHttpTool.Views.TreeViewPage"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
        mc:Ignorable="d"
        Title="TreeViewPage" Height="800" Width="800">
    <Grid>
        <TreeView x:Name="_treeView" />
    </Grid>
</Window>

using System.Windows;
using System.Windows.Controls;
using CommunityToolkit.Mvvm.ComponentModel;
using HtmlAgilityPack;

namespace WPFHttpTool.Views;

[ObservableObject]
public partial class TreeViewPage : Window
{
    [ObservableProperty] private HtmlDocument _htmlDocument;

    public TreeViewPage(HtmlDocument htmlDocument)
    {
        InitializeComponent();
        _htmlDocument = htmlDocument;
        MapHtmlToTreeView(_htmlDocument.DocumentNode);
    }

    public void MapHtmlToTreeView(HtmlNode htmlNode, TreeViewItem parentItem = null)
    {
        foreach (var childNode in htmlNode.ChildNodes)
            if (childNode.NodeType == HtmlNodeType.Element)
            {
                var treeViewItem = new TreeViewItem();
                treeViewItem.Header = childNode.Name;
                foreach (var attr in childNode.Attributes) treeViewItem.Header += $" {attr.Name} : {attr.Value} ;";

                if (parentItem != null)
                    parentItem.Items.Add(treeViewItem);
                else
                    _treeView.Items.Add(treeViewItem);

                MapHtmlToTreeView(childNode, treeViewItem);
            }
            else if (childNode.NodeType == HtmlNodeType.Text)
            {
                var text = childNode.InnerHtml.Trim();
                if (!string.IsNullOrEmpty(text))
                {
                    var textBlock = new TextBlock();
                    textBlock.Text = text;

                    if (parentItem != null)
                        parentItem.Items.Add(textBlock);
                    else
                        _treeView.Items.Add(textBlock);
                }
            }
    }
}

jerryxjr1220

2023-10-11 #4

增加了Json字符串解析功能，可以抓取Json API的返回值，直接解析，自动判断类型，并绘制TreeView展示。

用了NewtonSoft.Json库进行Json字符串的解析。

屏幕截图 2023-10-11 084414.png

using System;
using System.Windows;
using System.Windows.Controls;
using CommunityToolkit.Mvvm.ComponentModel;
using HtmlAgilityPack;
using Newtonsoft.Json.Linq;

namespace WPFHttpTool.Views;

[ObservableObject]
public partial class TreeViewPage : Window
{
    [ObservableProperty] private HtmlDocument? _htmlDocument;

    public TreeViewPage(HtmlDocument htmlDocument)
    {
        InitializeComponent();
        _htmlDocument = htmlDocument;
        MapHtmlToTreeView(_htmlDocument.DocumentNode);
    }

    public TreeViewPage(JObject jObject)
    {
        InitializeComponent();
        MapJsonToTreeView(jObject);
    }
    
    public TreeViewPage(JArray jArray)
    {
        InitializeComponent();
        MapJsonToTreeView(jArray);
    }

    public void MapHtmlToTreeView(HtmlNode htmlNode, TreeViewItem parentItem = null)
    {
        foreach (var childNode in htmlNode.ChildNodes)
        {
            if (childNode.NodeType == HtmlNodeType.Element)
            {
                var treeViewItem = new TreeViewItem();
                treeViewItem.Header = childNode.Name;
                foreach (var attr in childNode.Attributes) treeViewItem.Header += $" {attr.Name} : {attr.Value} ;";

                if (parentItem != null)
                    parentItem.Items.Add(treeViewItem);
                else
                    _treeView.Items.Add(treeViewItem);

                MapHtmlToTreeView(childNode, treeViewItem);
            }
            else if (childNode.NodeType == HtmlNodeType.Text)
            {
                var text = childNode.InnerHtml.Trim();
                if (!string.IsNullOrEmpty(text))
                {
                    var textBlock = new TextBlock();
                    textBlock.Text = text;

                    if (parentItem != null)
                        parentItem.Items.Add(textBlock);
                    else
                        _treeView.Items.Add(textBlock);
                }
            }
        }
    }

    public void MapJsonToTreeView(JObject jObject, TreeViewItem parentItem = null)
    {
        foreach (var (key, value) in jObject)
        {
            var treeViewItem = new TreeViewItem();
            treeViewItem.Header = key;

            try
            {
                var children = value!.ToObject<JObject>();
                MapJsonToTreeView(children!, treeViewItem);
            }
            catch (Exception ex)
            {
                try
                {
                    var children = value!.ToObject<JArray>();
                    MapJsonToTreeView(children!, treeViewItem);
                }
                catch (Exception ex2)
                {
                    var child = value!.ToObject<string>();

                    treeViewItem.Header += $" : {child}, ";
                }
                
            }
            if (parentItem != null)
                parentItem.Items.Add(treeViewItem);
            else
                _treeView.Items.Add(treeViewItem);
        }
    }
    
    public void MapJsonToTreeView(JArray jArray, TreeViewItem parentItem = null)
    {
        foreach (var jtoken in jArray)
        {
            try
            {
                var children = jtoken.ToObject<JObject>();
                MapJsonToTreeView(children!, parentItem);
            }
            catch (Exception ex)
            {
                try
                {
                    var children = jtoken.ToObject<JArray>();
                    MapJsonToTreeView(children!, parentItem);
                }
                catch (Exception ex2)
                {
                    var child = jtoken.ToObject<string>();

                    if (parentItem != null)
                        parentItem.Header += $" {child},";
                    else
                        _treeView.Items.Add(new TextBlock { Text = child });
                }
            }
        }
    }
    
}

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