Golang按日期和时间查找最新文件

package main

import (
    "fmt"
    "io/ioutil"
    "os"
    "path/filepath"
    "time"
)

func findNewestFile(dirPath string) (string, error) {
    files, err := ioutil.ReadDir(dirPath)
    if err != nil {
        return "", err
    }

    var newestFile os.FileInfo
    for _, file := range files {
        if file.IsDir() {
            continue
        }
        if newestFile == nil || file.ModTime().After(newestFile.ModTime()) {
            newestFile = file
        }
    }

    if newestFile == nil {
        return "", fmt.Errorf("no files found in %s", dirPath)
    }

    return filepath.Join(dirPath, newestFile.Name()), nil
}

func main() {
    dirPath := "/path/to/directory"
    newestFile, err := findNewestFile(dirPath)
    if err != nil {
        fmt.Println("Error:", err)
        return
    }

    fmt.Println("Newest file:", newestFile)
}