feat(install): 实现带进度条的游戏安装功能

- 添加进度条组件和相关状态管理
- 实现 Rust 后端解压过程的实时进度上报
- 增加安装路径中文字符校验
-优化日志显示支持时间戳开关- 引入 zip 解压库及异步运行时依赖
- 修复安装流程中的事件通信机制
- 调整 UI 布局适配新增进度条显示

src-tauri/src/gameins.rs

@@ -0,0 +1,149 @@
+// 只在 Windows 编译
+#![cfg_attr(not(debug_assertions), windows_subsystem = "windows")]
+
+// --- 1. 导入所需模块 ---
+use thiserror::Error;
+use zip::ZipArchive;
+use std::fs::{self, File};
+use std::io;
+use std::path::PathBuf;
+use serde::Serialize;
+use tauri::Emitter;
+use tokio::time::{sleep, Duration};
+
+// --- 2. (新增) 定义事件的有效负载 (Payload) ---
+// 这个结构体将作为事件发送给 Svelte
+#[derive(Clone, serde::Serialize)]
+struct InstallProgress {
+    message: String,
+    percentage: f32, // 0.0 到 100.0
+}
+
+// --- 3. 错误定义 ---
+#[derive(Debug, Error)]
+pub enum InstallError {
+    #[error("IO 错误: {0}")]
+    Io(#[from] std::io::Error),
+
+    #[error("Zip 解压错误: {0}")]
+    Zip(#[from] zip::result::ZipError),
+
+    #[error("找不到 data.bin 文件: {0}")]
+    DataFileNotFound(String),
+
+
+}
+
+
+impl Serialize for InstallError {
+    fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
+    where
+        S: serde::Serializer,
+    {
+        serializer.serialize_str(self.to_string().as_ref())
+    }
+}
+
+
+#[tauri::command]
+// --- 5. (修改) 添加 window 参数 ---
+pub async fn install_game(window: tauri::Window, target_dir: String) -> Result<String, InstallError> {
+
+    println!("Rust 后端收到命令：目标目录 {}", target_dir);
+
+    // --- 6. 核心改动：从文件系统读取 data.bin ---
+
+    // --- 6a. (新增) 发送启动事件 ---
+    window.emit("install_progress", InstallProgress {
+        message: "安装开始...".into(),
+        percentage: 0.0
+    }).ok();
+
+    // 1. 获取 app.exe 所在的目录
+    let exe_path = std::env::current_exe()?;
+    let exe_dir = exe_path.parent()
+        .ok_or_else(|| InstallError::Io(io::Error::new(io::ErrorKind::NotFound, "无法获取执行文件所在目录")))?;
+
+    // 2. 构造 data.bin 的路径
+    let data_bin_path = exe_dir.join("data.bin");
+
+    println!("正在查找数据文件: {:?}", data_bin_path);
+    window.emit("install_progress", InstallProgress {
+        message: format!("正在查找数据文件: {:?}", data_bin_path),
+        percentage: 1.0 // 1%
+    }).ok();
+
+
+    if !data_bin_path.exists() {
+        // 返回错误，Svelte 的 catch 块会捕获它
+        return Err(InstallError::DataFileNotFound(
+            format!("未在 {:?} 找到 data.bin", data_bin_path)
+        ));
+    }
+
+    // 3. 从硬盘打开文件
+    let archive_file = File::open(&data_bin_path)?;
+    println!("成功打开 data.bin。");
+    window.emit("install_progress", InstallProgress {
+        message: "成功打开 data.bin。".into(),
+        percentage: 5.0 // 5%
+    }).ok();
+
+
+    // 4. ZipArchive 现在读取文件
+    let mut archive = ZipArchive::new(archive_file)?;
+
+    let total_files = archive.len() as f32;
+    println!("在压缩包中找到 {} 个文件。", total_files);
+    window.emit("install_progress", InstallProgress {
+        message: format!("包中找到 {} 个文件。", total_files),
+        percentage: 10.0 // 10%
+    }).ok();
+
+
+    // --- 7. 解压循环 (核心改动: 添加 emit) ---
+    let install_path = PathBuf::from(target_dir);
+    fs::create_dir_all(&install_path)?;
+
+    for i in 0..archive.len() {
+        let mut file = archive.by_index(i)?;
+
+        let outpath = match file.enclosed_name() {
+            Some(path) => install_path.join(path),
+            None => continue,
+        };
+
+        // --- 7a. (核心) 计算百分比并发送事件 ---
+        let current_file_index = i as f32;
+        let percentage = 10.0 + (current_file_index / total_files) * 85.0; // (10% + 85% = 95%)
+        let message = format!("安装中 [{}/{}]: {}", i + 1, total_files as u32, file.name());
+
+        window.emit("install_progress", InstallProgress { message, percentage })
+            .ok();
+
+        // --- 2. (新增) 关键修复 ---
+        // 释放线程 1 毫秒，给 Svelte 留出渲染时间
+        sleep(Duration::from_millis(1)).await;
+
+        if (&*file.name()).ends_with('/') {
+            fs::create_dir_all(&outpath)?;
+        } else {
+            if let Some(p) = outpath.parent() {
+                if !p.exists() {
+                    fs::create_dir_all(p)?;
+                }
+            }
+            let mut outfile = File::create(&outpath)?;
+            io::copy(&mut file, &mut outfile)?;
+        }
+    } // --- 循环结束 ---
+
+    println!("Rust 后端：解压成功。");
+    window.emit("install_progress", InstallProgress {
+        message: "✅ 解压完成。".into(),
+        percentage: 100.0 // 100%
+    }).ok();
+
+    Ok(format!("成功解压 {} 个文件到指定目录！", total_files as u32))
+}
+