use std::fs; //创建文件夹 fs::create_dir("new_dir"); fs::create_dir_all("dir1/dir"); //递归创建文件夹 // 遍历目录下文件(夹) for entry in fs::read_dir("some/dir").unwrap() { let entry = entry.unwrap(); println!("{}", entry.file_name().to_str().unwrap().to_string...
use std::fs::File;use std::io::copy;fn download_img(url:&str, path:&str)-> Result<(), Box<dyn Error>>{ let mut res = reqwest::blocking::get(url)?; let mut buf: Vec<u8>= vec![]; res.copy_to(&mut buf)?; let mut file = File::create(path)?; file.writ...
// 确保输出目录存在 if !config.output_dir.exists() { std::fs::create\_dir\_all(&config.output\_dir).context("创建输出目录失败");} Ok(config)```❒ 同时使用两个库 在某些情况下，我们可能需要同时使用这两个 crate。在需要的情况下，可以混合使用thiserror和anyhow，结合其优点来处理复杂的错误...
[记]rust 创建文件夹 if!std::path::Path::new(".\\AtDB").exists(){ std::fs::create_dir(".\\AtDB").unwrap(); std::fs::create_dir(".\\AtDB\\log").unwrap(); std::fs::create_dir(".\\AtDB\\data").unwrap(); }
fnmain(){std::fs::create_dir("/some/dir");// warning: unused `Result` that must be used}...
("{} exists: {}", path, b); let r = fs::create_dir(path); match r { Err(e) => { println!("error creating {}: {}", path, e); std::process::exit(1); } Ok(_) => println!("created {}: OK", path), } let b: bool = Path::new(path).is_dir(); println!("{}...
usestd::fs::create_dir_all;usestd::path::Path;usestd::time::Instant;useopencv::{imgcodecs,prelude::*,videoio,Result};useopencv::prelude::Mat;usetokio::task;#[tokio::main]asyncfnmain()->Result<()>{letwindow="video capture";letvideo_url="http://commondatastorage.googleapis.com/gtv-vi...
rustuse std::fs;use std::io::Write;fn download(url:&str, path:&str){ let mut resp =a06ad7716861f6fc459a67d010995374::blocking::get(url).unwrap(); let mut out = fs::File::create(path).unwrap(); resp.copy_to(&mut out).unwrap();} 五、多线程下载 在进行大量图片下载时...
dir.push("demo"); let path_buf = dir.clone(); fs::create_dir_all(dir).unwrap(); let path = path_buf.as_path(); let mut options = Options::new(); options.create_if_missing = true; //创建数据库 let database = match Database::open(path, options) { ...
std::fs::create_dir_all(p).unwrap(); } let mut file = OpenOptions::new() .write(true) .truncate(true) .create(true) .open(path).unwrap(); let _ = file.write(&*bytes); file.flush().unwrap(); 1. 2. 3. 4. 5. 6. ...