tiefen_space_h5/utils/tools.js

"use client";
import { Toast } from "antd-mobile";
//格式化时间戳
export function formatDeadline(timestamp) {
  const date = new Date(timestamp * 1000); // 时间戳以秒为单位，需要乘以1000转换成毫秒
  const year = date.getFullYear();
  const month = ("0" + (date.getMonth() + 1)).slice(-2);
  const day = ("0" + date.getDate()).slice(-2);
  const hours = ("0" + date.getHours()).slice(-2);
  const minutes = ("0" + date.getMinutes()).slice(-2);
  const seconds = ("0" + date.getSeconds()).slice(-2);

  return `${year}年${month}月${day}日 ${hours}:${minutes}:${seconds}`;
}

// 格式化时间戳-完整
export function formatTimestamp(timestamp) {
  const now = new Date();
  const date = new Date(timestamp * 1000);

  // 检查是否是今天
  if (now.toDateString() === date.toDateString()) {
    return date.toLocaleTimeString(undefined, {
      hour: "numeric",
      minute: "numeric",
    });
  }

  // 获取昨天的日期
  const yesterday = new Date(now);
  yesterday.setDate(now.getDate() - 1);

  // 检查是否是昨天
  if (yesterday.toDateString() === date.toDateString()) {
    return `昨天 ${date.getHours()}:${String(date.getMinutes()).padStart(
      2,
      "0"
    )}`;
  }

  // 检查是否是今年
  if (now.getFullYear() === date.getFullYear()) {
    return `${date.getMonth() + 1}-${date.getDate()} ${String(
      date.getHours()
    ).padStart(2, "0")}:${String(date.getMinutes()).padStart(2, "0")}`;
  }

  // 不是今年，返回完整日期和时间
  return `${date.getFullYear()}-${
    date.getMonth() + 1
  }-${date.getDate()} ${String(date.getHours()).padStart(2, "0")}:${String(
    date.getMinutes()
  ).padStart(2, "0")}`;
}

// 格式化时间戳-简洁
export function formatDate(timestamp) {
  const nowTime = new Date();
  const date = new Date(timestamp * 1000);
  const year = date.getFullYear();
  const month = date.getMonth() + 1; // 月份从0开始,所以需要加1
  const day = date.getDate();
  const hours = date.getHours();
  const minutes = date.getMinutes();
  if (nowTime.getTime() - 24 * 60 * 60 * 1000 > date.getTime()) {
    return `${month}/${day}`;
  } else {
    return `${String(hours).padStart(2, "0")}:${String(minutes).padStart(
      2,
      "0"
    )}`;
  }
}

// 防抖函数
export function debounce(fn, delay) {
  let timer = null;
  return (fnn) => {
    //清除上一次的延时器
    if (timer) {
      clearTimeout(timer);
      // return;
      // console.log(timer);
    }
    //重新设置新的延时器
    timer = setTimeout(() => {
      //修改this指向问题
      // fn.apply(this,value)
      fn(fnn);
    }, delay);
  };
}

export function utf8Length(str) {
  let length = 0;
  for (let i = 0; i < str.length; i++) {
    const code = str.charCodeAt(i);
    if (code < 0x80) {
      // 0xxxxxxx
      length += 0.5;
    } else if (code < 0x800) {
      // 110xxxxx 10xxxxxx
      length += 2;
    } else if (code < 0x10000) {
      // 1110xxxx 10xxxxxx 10xxxxxx
      length += 1;
    } else if (code <= 0x10ffff) {
      // 11110xxx 10xxxxxx 10xxxxxx 10xxxxxx
      length += 4;
    }
  }
  return length;
}

export function getVideoBase64(url) {
  return new Promise((resolve, reject) => {
    // 创建 video 元素
    const video = document.createElement("video");
    // 设置跨域属性
    video.crossOrigin = "anonymous";
    // 设置视频 URL
    video.src = url;
    // 设置视频画面宽度
    video.width = "90";
    // 设置视频画面高度
    video.height = "90";
    // 设置视频播放位置为第一帧
    video.currentTime = 1;
    // 设置预加载方式为自动加载
    video.preload = "auto";

    // 创建 canvas 元素
    const canvas = document.createElement("canvas");
    // 将 canvas 的宽度和高度设置为视频画面的宽度和高度
    canvas.width = video.width;
    canvas.height = video.height;

    // 判断是否为 iOS 系统
    if (/(iPad|iPhone|iPod)/gi.test(window && window.navigator?.userAgent)) {
      // 在 iOS 系统中，需要手动触发视频加载，然后设置自动播放和静音属性
      video.load();
      // video.autoplay = true;

      // 在 iOS 系统中，监听 loadedmetadata 事件可以保证视频数据已经全部加载完毕
    }
    video.muted = true;
    video.addEventListener("loadeddata", function () {
      setTimeout(function () {
        // console.log("监听到了listen:", "loadeddata");
        canvas
          .getContext("2d")
          .drawImage(video, 0, 0, canvas.width, canvas.height); //绘制canvas
        const dataURL = canvas.toDataURL("image/jpeg"); //转换为base64
        video.setAttribute("poster", dataURL);
        // console.log(dataURL, "dataURL");
        resolve(dataURL);

        // 清除内存
        canvas.remove();
        video.remove();
      }, 100);
    });

    // 监听视频事件，在发生错误时 Promise 会 reject
    video.addEventListener("error", function () {
      // reject(new Error("视频加载错误"));
      Toast.show({
        icon: "fail",
        content: "请更换浏览器，IOS用户建议使用Safari。",
        position: "top",
      });
      // 清除内存
      canvas.remove();
      video.remove();
    });
  });
}

export function getcountLines(str) {
  const newStr = str.startsWith("\n") ? str.slice(1) : str;
  const lines = newStr.split("\n").filter((line) => line.trim() !== "");
  return lines.length;
}

// 跳转页面
export function goToPage(link) {
  let linkArr = link.split("?");
  const params = linkArr[1]?.split("&");

  if (!params) return linkArr[0];
  // if (linkArr[0].includes("/")) {
  //   const path = linkArr[0].replace(/^\/+|\/+$/g, "");
  //   const pathNames = path.split("/").filter((it) => it != "");
  //   return [pathNames[0], { screen: pathNames[1] }];
  // }
  const query = params
    .map((it) => ({ [it.split("=")[0]]: it.split("=")[1] }))
    .reduce((acc, cur) => ({ ...acc, ...cur }), {});
  return [linkArr[0], query];
}

// 尝试使用浏览器打开URL
export function openUrlWithBrowser(url) {
  try {
    const userAgent = window && window.navigator?.userAgent;
    //区分设备类型
    if (/Android/i.test(userAgent)) {
      var intentUrl =
        "intent://app.tiefen.fun/#Intent;scheme=https;package=com.android.chrome;end";
      window.location.href = intentUrl;
    } else if (/iPhone|iPad|iPod/i.test(userAgent)) {
      window.location.href = `x-safari-https://app.tiefen.fun${url}`;
    } else {
      // setDeviceType("pc");
    }
  } catch (e) {
    // 如果谷歌浏览器未安装，使用系统默认浏览器打开URL
  }
}