108 lines
3.6 KiB
C#
108 lines
3.6 KiB
C#
using System;
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using System.Collections.Generic;
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namespace Lesson07
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{
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class Program
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{
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static void Main(string[] args)
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{
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// ========== List<T> ==========
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Console.WriteLine("=== List<T> 动态数组 ===\n");
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List<string> transcriptHistory = new List<string>();
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// 添加识别结果
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transcriptHistory.Add("今天天气真不错");
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transcriptHistory.Add("大家一起加油");
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transcriptHistory.Add("这个功能很简单");
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Console.WriteLine($"共有 {transcriptHistory.Count} 条记录：");
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foreach (string text in transcriptHistory)
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{
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Console.WriteLine($" - {text}");
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}
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// 插入
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transcriptHistory.Insert(1, "新插入的文字");
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Console.WriteLine($"\n插入后共有 {transcriptHistory.Count} 条记录：");
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foreach (string text in transcriptHistory)
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{
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Console.WriteLine($" - {text}");
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}
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// 删除
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transcriptHistory.Remove("大家一起加油");
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Console.WriteLine($"\n删除后共有 {transcriptHistory.Count} 条记录");
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// 初始化器
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List<string> fruits = new List<string>() { "苹果", "香蕉", "橙子" };
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Console.WriteLine($"\n水果列表：{string.Join(", ", fruits)}");
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// ========== Dictionary<K, V> ==========
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Console.WriteLine("\n=== Dictionary<K, V> 键值对 ===\n");
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// 设备配置
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Dictionary<string, string> deviceConfig = new Dictionary<string, string>()
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{
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["name"] = "USB麦克风",
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["sampleRate"] = "16000",
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["channels"] = "1"
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};
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Console.WriteLine("设备配置：");
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foreach (KeyValuePair<string, string> kv in deviceConfig)
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{
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Console.WriteLine($" {kv.Key}: {kv.Value}");
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}
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// 访问单个值
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Console.WriteLine($"\n设备名称: {deviceConfig["name"]}");
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// 安全访问
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if (deviceConfig.TryGetValue("notExist", out string value))
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{
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Console.WriteLine($"找到: {value}");
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}
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else
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{
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Console.WriteLine("键不存在");
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}
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// 设置选项
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Dictionary<string, bool> settings = new Dictionary<string, bool>()
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{
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["autoConnect"] = true,
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["vad"] = true,
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["debug"] = false
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};
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Console.WriteLine("\n设置选项：");
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foreach (string key in settings.Keys)
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{
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string status = settings[key] ? "开启" : "关闭";
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Console.WriteLine($" {key}: {status}");
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}
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// ========== 数字集合 ==========
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Console.WriteLine("\n=== 数字 List 操作 ===\n");
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List<int> scores = new List<int>() { 85, 92, 78, 95, 88 };
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Console.WriteLine($"原始成绩：{string.Join(", ", scores)}");
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scores.Sort();
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Console.WriteLine($"排序后：{string.Join(", ", scores)}");
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scores.Reverse();
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Console.WriteLine($"反转后：{string.Join(", ", scores)}");
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Console.WriteLine($"最高分：{scores[0]}");
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Console.WriteLine($"包含 100？ {scores.Contains(100)}");
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Console.WriteLine($"包含 95？ {scores.Contains(95)}");
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Console.ReadLine();
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}
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}
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}
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