Utils Toolkit

工具函数与常用 Crate

Rust 常用 Crate 推荐

核心 Crate

常用功能 Crate

Tauri 插件

常用工具函数

Rust 工具函数

// 日期格式化
use chrono::Local;
fn now_string() -> String {
    Local::now().format("%Y-%m-%d %H:%M:%S").to_string()
}

// UUID 生成
use uuid::Uuid;
fn new_id() -> String {
    Uuid::new_v4().to_string()
}

// 文件读写
fn read_json<T: serde::de::DeserializeOwned>(path: &str) -> Result<T, String> {
    let content = std::fs::read_to_string(path).map_err(|e| e.to_string())?;
    serde_json::from_str(&content).map_err(|e| e.to_string())
}

fn write_json<T: serde::Serialize>(path: &str, data: &T) -> Result<(), String> {
    let json = serde_json::to_string_pretty(data).map_err(|e| e.to_string())?;
    std::fs::write(path, json).map_err(|e| e.to_string())
}

TypeScript 工具函数

import { invoke } from "@tauri-apps/api/core";

// 通用 Command 调用封装
async function safeInvoke<T>(cmd: string, args?: Record<string, unknown>): Promise<[T | null, string | null]> {
  try {
    const result = await invoke<T>(cmd, args);
    return [result, null];
  } catch (e) {
    return [null, String(e)];
  }
}

// 防抖
function debounce<T extends (...args: unknown[]) => void>(fn: T, delay: number): T {
  let timer: ReturnType<typeof setTimeout>;
  return ((...args: unknown[]) => {
    clearTimeout(timer);
    timer = setTimeout(() => fn(...args), delay);
  }) as T;
}

// 格式化文件大小
function formatFileSize(bytes: number): string {
  const units = ["B", "KB", "MB", "GB"];
  let i = 0;
  while (bytes >= 1024 && i < units.length - 1) {
    bytes /= 1024;
    i++;
  }
  return `${bytes.toFixed(1)} ${units[i]}`;
}

常见错误