第一个版本！

src-tauri/.gitignore

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+# Generated by Cargo
+# will have compiled files and executables
+/target/
+
+# Generated by Tauri
+# will have schema files for capabilities auto-completion
+/gen/schemas

src-tauri/Cargo.toml

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+[package]
+name = "githubdownloader"
+version = "0.1.0"
+description = "A Tauri App"
+authors = ["you"]
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[lib]
+# The `_lib` suffix may seem redundant but it is necessary
+# to make the lib name unique and wouldn't conflict with the bin name.
+# This seems to be only an issue on Windows, see https://github.com/rust-lang/cargo/issues/8519
+name = "githubdownloader_lib"
+crate-type = ["staticlib", "cdylib", "rlib"]
+
+[build-dependencies]
+tauri-build = { version = "2", features = [] }
+
+[dependencies]
+tauri = { version = "2", features = [] }
+tauri-plugin-opener = "2"
+serde = { version = "1", features = ["derive"] }
+serde_json = "1"
+thiserror = "2.0.12"
+url = "2.5.4"
+reqwest = { version = "0.12.15", features = ["json"] }
+

src-tauri/build.rs

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+fn main() {
+    tauri_build::build()
+}

src-tauri/capabilities/default.json

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+{
+  "$schema": "../gen/schemas/desktop-schema.json",
+  "identifier": "default",
+  "description": "Capability for the main window",
+  "windows": ["main"],
+  "permissions": [
+    "core:default",
+    "opener:default"
+  ]
+}

src-tauri/src/lib.rs

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+use reqwest::header;
+use serde::{Deserialize, Serialize};
+use thiserror::Error;
+use url::{Host, Position, Url};
+
+#[tauri::command]
+async fn handle(url: String) -> GetResult {
+    let handled_url = match Url::parse(&url) {
+        Ok(o) => o,
+        Err(_) => return GetResult::fail("无法解析链接"),
+    };
+    if handled_url.host_str() != Some("github.com") {
+        return GetResult::fail("无法解析除了github之外的服务");
+    }
+    let url_data: Vec<_> = handled_url.path().split("/").collect();
+    let (author, repo) = (url_data[1], url_data[2]);
+    let data = match get_data(author.to_string(), repo.to_string()).await {
+        Ok(d) => d,
+        Err(_) => return GetResult::fail("获取失败"),
+    };
+    GetResult::new(data)
+}
+
+async fn get_data(author: String, repo: String) -> Result<Vec<Data>, Box<dyn std::error::Error>> {
+    let url = format!("https://api.github.com/repos/{}/{}/releases", author, repo);
+
+    let mut headers = header::HeaderMap::new();
+    headers.insert(
+        "Accept",
+        header::HeaderValue::from_static("application/vnd.github+json'"),
+    );
+    headers.insert(
+        "User-Agent",
+        header::HeaderValue::from_static("Chrome/122.0.6261.95 Safari/537.36"),
+    );
+    let body = reqwest::Client::builder()
+        .default_headers(headers)
+        .build()?
+        .get(url)
+        .send()
+        .await?
+        .json::<Vec<Data>>()
+        .await?;
+
+    // println!("body = {body:?}");
+    Ok(body)
+}
+
+#[derive(Debug, Deserialize, Serialize)]
+struct Data {
+    url: String,
+    assets_url: String,
+    upload_url: String,
+    html_url: String,
+    id: usize,
+    author: Author,
+    assets: Vec<Asset>,
+    node_id: String,
+    tag_name: String,
+    target_commitish: String,
+    name: String,
+    draft: bool,
+    prerelease: bool,
+    created_at: String,
+    published_at: String,
+    tarball_url:String,
+    zipball_url:String
+}
+#[derive(Debug, Deserialize, Serialize)]
+struct Author {
+    login: String,
+    id: usize,
+    node_id: String,
+    avatar_url: String,
+    gravatar_id: String,
+    url: String,
+    html_url: String,
+    followers_url: String,
+    following_url: String,
+    gists_url: String,
+    starred_url: String,
+    subscriptions_url: String,
+    organizations_url: String,
+    repos_url: String,
+    events_url: String,
+    received_events_url: String,
+    r#type: String,
+    user_view_type: String,
+    site_admin: bool,
+}
+#[derive(Debug, Deserialize, Serialize)]
+struct Asset {
+    url: String,
+    id: usize,
+    node_id: String,
+    name: String,
+    label: String,
+    browser_download_url: String,
+    created_at:String,
+    updated_at:String,
+    size:usize
+}
+
+#[derive(Error, Debug)]
+pub enum Error {
+    #[error("链接格式错误")]
+    ParseError(#[from] url::ParseError),
+    #[error("链接格式错误")]
+    NotTargetHost,
+    #[error("unknown data store error")]
+    Unknown,
+}
+
+#[cfg_attr(mobile, tauri::mobile_entry_point)]
+pub fn run() {
+    tauri::Builder::default()
+        .plugin(tauri_plugin_opener::init())
+        .invoke_handler(tauri::generate_handler![handle])
+        .run(tauri::generate_context!())
+        .expect("error while running tauri application");
+}
+
+#[derive(Debug, Deserialize, Serialize)]
+struct GetResult {
+    success: bool,
+    status: String,
+    data: Option<Vec<Data>>,
+}
+
+impl GetResult {
+    fn new(data: Vec<Data>) -> Self {
+        Self {
+            success: true,
+            status: "获取成功".into(),
+            data: Some(data),
+        }
+    }
+    fn fail<S: ToString>(s: S) -> Self {
+        Self {
+            success: false,
+            status: s.to_string(),
+            data: None,
+        }
+    }
+}

src-tauri/src/main.rs

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+// Prevents additional console window on Windows in release, DO NOT REMOVE!!
+#![cfg_attr(not(debug_assertions), windows_subsystem = "windows")]
+
+fn main() {
+    githubdownloader_lib::run()
+}

src-tauri/tauri.conf.json

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+{
+  "$schema": "https://schema.tauri.app/config/2",
+  "productName": "githubdownloader",
+  "version": "0.1.0",
+  "identifier": "com.lkhsss.githubdownloader",
+  "build": {
+    "beforeDevCommand": "npm run dev",
+    "devUrl": "http://localhost:1420",
+    "beforeBuildCommand": "npm run build",
+    "frontendDist": "../dist"
+  },
+  "app": {
+    "windows": [
+      {
+        "title": "githubdownloader",
+        "width": 800,
+        "height": 600
+      }
+    ],
+    "security": {
+      "csp": null
+    }
+  },
+  "bundle": {
+    "active": true,
+    "targets": "all",
+    "icon": [
+      "icons/32x32.png",
+      "icons/128x128.png",
+      "icons/128x128@2x.png",
+      "icons/icon.icns",
+      "icons/icon.ico"
+    ]
+  }
+}