讀取檔案
將檔案讀取成二進位制,使用read函式
use std::fs;
fn main() {
let context = fs::read(“tt”)。unwrap();
println!(“context: {:#?}”, context);
}
將檔案讀取成字串
use std::fs;
fn main() {
let context = fs::read_to_string(“tt”)。unwrap();
println!(“context: {}”, context);
}
讀取目錄
use std::io;
use std::fs;
use std::path::Path;
fn visit_dirs(dir: &Path) -> io::Result {
if dir。is_dir() {
for entry in fs::read_dir(dir)? {
let entry = entry?;
let path = entry。path();
if path。is_dir() {
visit_dirs(&path)?;
} else {
let c = fs::read_to_string(path)。unwrap();
println!(“file = {}”, c);
}
}
}
Ok(())
}
fn main() {
//let context = fs::read(“tt”)。unwrap();
//println!(“context: {:#?}”, context);
//let context = fs::read_to_string(“tt”)。unwrap();
//println!(“context: {}”, context);
visit_dirs(Path::new(“。/test”))。unwrap();
}