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C# WPF從RIOT API獲取資料(RIOT代表作品《英雄聯盟》)

閱讀導航

本文背景
代碼實作
本文參考

1. 本文背景

RIOT(拳頭)是一家美國網游開發商，成立于2006年，代表作品《英雄聯盟》，

本文重點要講解兩個知識點：

C# 使用 HttpClient 訪問 RIOT 提供的 API 介面，獲取召喚者概況資訊；
C# WPF界面展示召喚者資訊搜索、概況資訊兩個界面，

RIOT API訪問資料展示

2. 代碼實作

站長使用 .Net CORE 3.1 創建名為 “LoLGoal” 的WPF解決方案，并添加3個Nuget包，配置如下：

<?xml version="1.0" encoding="utf-8"?>
<packages>
  <package id="MaterialDesignColors" version="1.1.1" targetFramework="net45" />
  <package id="MaterialDesignThemes" version="2.5.0.1205" targetFramework="net45" />
  <package id="Newtonsoft.Json" version="12.0.1" targetFramework="net45" />
</packages>

界面使用的MD控制元件，本站曾有介紹：介紹，

本文只簡單說明部分代碼，整體解決方案目錄結構如下，原始碼文末會給出：

目錄結構

2.1 引入MD控制元件樣式

檔案【App.xaml】

<Application x:Class="LoLGoal.App"
             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
             StartupUri="View/MainWindow.xaml">
    <Application.Resources>
        <ResourceDictionary>
            <ResourceDictionary.MergedDictionaries>
                <ResourceDictionary Source="pack://application:,,,/MaterialDesignThemes.Wpf;component/Themes/MaterialDesignTheme.Light.xaml" />
                <ResourceDictionary Source="pack://application:,,,/MaterialDesignThemes.Wpf;component/Themes/MaterialDesignTheme.Defaults.xaml" />
                <ResourceDictionary Source="pack://application:,,,/MaterialDesignColors;component/Themes/Recommended/Primary/MaterialDesignColor.Purple.xaml" />
                <ResourceDictionary Source="pack://application:,,,/MaterialDesignColors;component/Themes/Recommended/Accent/MaterialDesignColor.Blue.xaml" />
            </ResourceDictionary.MergedDictionaries>
        </ResourceDictionary>
    </Application.Resources>
</Application>

2.2 召喚者概況搜索界面

檔案【MainWindow.xaml】代碼，界面布局簡單，給人的感覺整體簡潔大方：

<Window x:Class="LoLGoal.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:materialDesign="http://materialdesigninxaml.net/winfx/xaml/themes"
        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
        mc:Ignorable="d" Height="600" Width="400" WindowStartupLocation="CenterScreen" 
        MouseLeftButtonDown="Window_MouseLeftButtonDown"
        ResizeMode="NoResize" WindowStyle="None" Background="#FF410A66">
    <Grid>
        <StackPanel Margin="50">
            <Image Source="/Assets/logo2.png" Width="96" Height="96"/>
            <Border Background="White" Margin="10 20" CornerRadius="5">
                <StackPanel Margin="25">
                    <ComboBox Margin="15" Style="{StaticResource MaterialDesignFloatingHintComboBox}" materialDesign:HintAssist.Hint="地區" Text="{Binding Region}">
                        <ComboBoxItem Content="RU"/>
                        <ComboBoxItem Content="KR"/>
                        <ComboBoxItem Content="BR1"/>
                        <ComboBoxItem Content="OC1"/>
                        <ComboBoxItem Content="JP1"/>
                        <ComboBoxItem Content="NA1"/>
                        <ComboBoxItem Content="EUN1"/>
                        <ComboBoxItem Content="EUW1"/>
                        <ComboBoxItem Content="TR1"/>
                        <ComboBoxItem Content="LA1"/>
                        <ComboBoxItem Content="LA2"/>
                    </ComboBox>
                    <TextBox Text="{Binding SummonerName}" Margin="15" Style="{StaticResource MaterialDesignFloatingHintTextBox}" materialDesign:HintAssist.Hint="召喚者"/>
                    <StackPanel Orientation="Horizontal" HorizontalAlignment="Center">
                        <Button Margin="15 50" Content="取消"/>
                        <Button x:Name="ButtonSignUp" Margin="15 50" Content="搜索" Click="ButtonSignUp_Click"/>
                    </StackPanel>
                </StackPanel>
            </Border>
        </StackPanel>
    </Grid>
</Window>

召喚者概況搜索界面

2.3 召喚者概況資訊展示界面

檔案【WindowProfile.xaml】，布局代碼也不多，清爽：

<Window x:Class="LoLGoal.View.WindowProfile"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:materialDesign="http://materialdesigninxaml.net/winfx/xaml/themes"
        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
        mc:Ignorable="d" Height="600" Width="400" 
        WindowStartupLocation="CenterScreen" ResizeMode="NoResize" 
        WindowStyle="None" Background="#FF410A66">
    <Grid>
        <Border Background="White" Margin="20 100 20 20" CornerRadius="15">
            <StackPanel VerticalAlignment="Top" HorizontalAlignment="Stretch">
                <Border Width="100" Height="100" Margin="20 20 0 10" BorderBrush="Gray" HorizontalAlignment="Left" BorderThickness="1" CornerRadius="15">
                    <Border.Background>
                        <ImageBrush ImageSource="{Binding Path=Icon}"/>
                    </Border.Background>
                </Border>
                <TextBlock Margin="20 15" FontSize="30" Text="{Binding Path=SummonerName}" Foreground="DarkGray"/>
                <StackPanel Orientation="Horizontal" Margin="20 0">
                    <StackPanel Margin="5">
                        <TextBlock Text="勝" FontSize="15" FontWeight="Bold" Foreground="Green"/>
                        <TextBlock Text="{Binding Path=Wins}" FontSize="18" Foreground="Gray" HorizontalAlignment="Center"/>
                    </StackPanel>
                    <StackPanel Margin="5">
                        <TextBlock Text="輸" FontSize="15" FontWeight="Bold" Foreground="DarkRed"/>
                        <TextBlock Text="{Binding Path=Losses}" FontSize="18" Foreground="Gray" HorizontalAlignment="Center"/>
                    </StackPanel>
                </StackPanel>
                <StackPanel Margin="30 20">
                    <TextBlock Text="水平" FontSize="15" Foreground="LightGray"/>
                    <TextBlock Text="{Binding Path=Level}" HorizontalAlignment="Center" FontSize="80" Foreground="Gray"/>
                </StackPanel>
                <Grid Margin="20 10">
                    <Button x:Name="ButtonSearch" HorizontalAlignment="Left" Style="{StaticResource MaterialDesignFlatButton}" Width="100" Click="ButtonSearch_Click">
                        <materialDesign:PackIcon Kind="Search" Width="24" Height="24"/>
                    </Button>
                    <Button HorizontalAlignment="Right" Width="100" Content="登錄"/>
                </Grid>
            </StackPanel>
        </Border>
        <StackPanel HorizontalAlignment="Right" Margin="30 10">
            <Image Source="{Binding Path=Emblem}" Width="200" Height="200">
                <Image.Effect>
                    <DropShadowEffect BlurRadius="40" ShadowDepth="1"/>
                </Image.Effect>
            </Image>
            <StackPanel Orientation="Horizontal" HorizontalAlignment="Center" Margin="5">
                <TextBlock FontSize="18" Foreground="Gray" Text="{Binding Path=Tier}" Margin="5" VerticalAlignment="Center"/>
                <TextBlock FontSize="20" Foreground="Gray" Text="{Binding Path=Rank}" Margin="5"/>
            </StackPanel>
        </StackPanel>
    </Grid>
</Window>

概況資訊展示界面

概況資訊展示

2.4 簡單的API介面呼叫封裝

直接上代碼看，Key.txt是存盤的RIOT開發者Key：

using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Net.Http;
using System.Text;
using System.Threading.Tasks;

namespace LoLGoal.API
{
    public class Api
    {
        private string Key { get; set; }
        private string Region { get; set; }

        public Api(string region)
        {
            Region = region;
            Key = GetKey("API/Key.txt");
        }

        protected HttpResponseMessage GET(string URL)
        {
            using (HttpClient client = new HttpClient())
            {
                var result = client.GetAsync(URL);
                result.Wait();

                return result.Result;
            }
        }

        protected string GetURI(string path)
        {
            return "https://" + Region + ".api.riotgames.com/lol/" + path + "?api_key=" + Key;
        }

        public string GetKey(string path)
        {
            StreamReader sr = new StreamReader(path);
            return sr.ReadToEnd();
        }
    }
}

2.5 其他代碼

查看原始碼：get_profile_data

2.6 以下是站長方便演示、截圖，修改的部分檔案

可參考原始碼對比：

檔案【API/League_V4.cs】

using LoLGoal.Model;
using System;
using System.Collections.Generic;

namespace LoLGoal.API
{
    public class League_V4 : Api
    {
        public League_V4(string region) : base(region)
        {
        }

        public List<PositionDTO> GetPositions(string summonerId)
        {
            //1、這是正常的API訪問
            //string path = "league/v4/positions/by-summoner/" + summonerId;

            //var response = GET(GetURI(path));
            //string content = response.Content.ReadAsStringAsync().Result;

            //if (response.StatusCode == System.Net.HttpStatusCode.OK)
            //{
            //    return JsonConvert.DeserializeObject<List<PositionDTO>>(content);
            //}
            //else
            //{
            //    return null;
            //}

            //2、這是模擬資料，正常訪問LOL服務器，需要注冊Key
            string[] tiers = { "Bronze", "Challenger", "Diamond", "Gold", "Grandmaster", "Iron", "Master", "Platinum", "Silver" };
            var rd = new Random(DateTime.Now.Millisecond);
            var lst = new List<PositionDTO>();
            for (int i = 0; i < rd.Next(5, 20); i++)
            {
                lst.Add(new PositionDTO
                {
                    Tier = tiers[rd.Next(0, tiers.Length)],
                    Rank = "IV",
                    Wins = rd.Next(2, 100),
                    Losses = rd.Next(2, 100),
                    QueueType = "RANKED_SOLO_5x5"
                });
            }
            return lst;
        }
    }
}

檔案【API/Summoner_V4.cs】

using LoLGoal.Model;
using System;

namespace LoLGoal.API
{
    public class Summoner_V4 : Api
    {
        public Summoner_V4(string region) : base(region)
        {
        }

        public SummonerDTO GetSummonerByName(string SummonerName)
        {
            //1、這是正常的API訪問
            //string path = "summoner/v4/summoners/by-name/" + SummonerName;

            //var response = GET(GetURI(path));
            //string content = response.Content.ReadAsStringAsync().Result;

            //if(response.StatusCode == System.Net.HttpStatusCode.OK)
            //{
            //    return JsonConvert.DeserializeObject<SummonerDTO>(content);
            //}
            //else
            //{
            //    return null;
            //}

            //2、這是模擬資料，正常訪問LOL服務器，需要注冊Key
            return new SummonerDTO
            {
                ProfileIconId = DateTime.Now.Second,
                Name = SummonerName,
                SummonerLevel = new Random(DateTime.Now.Millisecond).Next(50, 200),
                Id = DateTime.Now.Second.ToString()
            };
        }
    }
}

3.參考

視頻一：C# WPF Design UI - #1 - Login，配套原始碼：LoLGoal，
視頻二：C# WPF Design UI - #2 (1/2) - REST API Access，配套原始碼：get_summoner_data，
視頻三：C# WPF Design UI - #2 (2/2) - REST API Access，配套原始碼：get_summoner_data，
視頻四：C# WPF Design UI - #3 - Profile，配套原始碼：summoner_profile，
視頻五：C# WPF Design UI - #4 (1/2) - Get Data From RIOT API，配套原始碼：get_profile_data，
視頻六：C# WPF Design UI - #4 (2/2)- Get Data From RIOT API，配套原始碼：get_profile_data，

最終原始碼：本文代碼幾乎和原始碼一致（第五和第六個視頻配套Github原始碼【get_profile_data】），站長未注冊RIOT開發者Key，所以代碼中采用模擬回傳資料的方式，只展示了界面效果，并將部分英文改為中文，便于向大家展示此工程，

點擊下載原始碼：get_profile_data

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