rust 进行下载图片 保存本地图片 执行一定的命令

默认项目中下载并保存用户目录图片 执行一个命令行

进行简单的练习

注意环境搭建

编写了rust 代码后是自动进行更新的

#![cfg_attr(not(debug_assertions), windows_subsystem = "windows")]

// Learn more about Tauri commands at https://tauri.app/v1/guides/features/command
#[tauri::command]
fn greet1(name: &str) -> String {
    format!("Hello, {}! You've been greeted from Rust!", name)
}


use std::env;
use std::path::PathBuf;
use std::process::Command;
use std::fs::File;
use std::io::prelude::*;
use reqwest::Client;
use tokio::fs;

#[tauri::command]
async fn greet() -> String {
    // 获取用户主目录
    let mut save_dir = env::var("HOME").unwrap_or_else(|_| ".".to_string());
    let mut save_path = PathBuf::from(&save_dir);
    save_path.push("wzskyline-image.svg");

    // 创建一个reqwest客户端
    let client = Client::new();

    // 下载图片
    let response = client.get("https://visualstudio.microsoft.com/wp-content/uploads/2022/09/VisualStudioCode.svg")
        .send()
        .await
        .unwrap()
        .bytes()
        .await
        .unwrap();

    // 将图片保存到文件
    let mut file = File::create(&save_path).unwrap();
    file.write_all(&response).unwrap();

    // 执行ipconfig命令
    let output = Command::new("ipconfig")
        .output()
        .expect("failed to execute ipconfig");
    let output_str = String::from_utf8_lossy(&output.stdout).to_string();

    // 返回结果
    output_str
}



#[tauri::command]
fn greet2() -> String {
    

    // 执行ipconfig命令
    let output = Command::new("ipconfig")
        .output()
        .expect("failed to execute ipconfig");
    let output_str = String::from_utf8_lossy(&output.stdout).to_string();

    // 返回结果
    output_str
}


fn main() {
    tauri::Builder::default()
        .invoke_handler(tauri::generate_handler![greet])
        .run(tauri::generate_context!())
        .expect("error while running tauri application");
}