feat(timestamp): 实现时间戳与日期时间转换功能

- 新增日期时间转时间戳组件 DatetimeToTimestamp
- 新增时间戳转日期时间组件 TimestampToDatetime
- 新增当前时间戳显示组件 TimestampExecution
- 重构 TimestampPage 页面，拆分功能到独立组件
- 扩展 timeUtils 工具函数，支持时区处理和格式化
- 添加时区选择器和时间单位切换功能
- 优化时间戳转换逻辑，支持毫秒和秒单位切换
- 改进 App.css 样式宽度设置

src/App.css

@@ -3,7 +3,7 @@
     margin: 0 auto;
     padding: 20px;
     font-family: Arial, sans-serif;
-    width: 300px;
+    width: 350px;
     height: 100vh;
 }
 

src/components/DatetimeToTimestamp.js

@@ -0,0 +1,60 @@
+import {formatWithDate, formatWithZone, TimezoneOptions} from "../utils/timeUtils";
+import {useMemo, useState} from "react";
+
+export function DatetimeToTimestamp() {
+  const [dateValue, setDateValue] = useState(() => formatWithZone(Date.now()));
+  const [selectedZone, setSelectedZone] = useState('Asia/Shanghai');
+  const [result, setResult] = useState('');
+  const [unit, setUnit] = useState('milliseconds');
+  const timeZoneList = useMemo(() => ['America/New_York', 'America/Chicago', 'America/Denver', 'America/Los_Angeles', 'America/Anchorage', 'America/Honolulu', 'Europe/London', 'Europe/Paris', 'Europe/Berlin', 'Europe/Moscow', 'Asia/Tokyo', 'Asia/Shanghai', 'Asia/Hong_Kong', 'Asia/Singapore', 'Asia/Dubai', 'Asia/Kolkata', 'Australia/Sydney', 'Pacific/Auckland',], []);
+  
+  const handleConvertDatetimeToTimestamp = () => {
+    const timestamp = unit === 'milliseconds' ? formatWithDate(dateValue, selectedZone) : Math.floor(formatWithDate(dateValue, selectedZone) / 1000);
+    setResult(timestamp);
+  };
+  
+  return (<div>
+    <h2>日期时间转时间戳</h2>
+    <div>
+      <div>
+        <input
+          type="text"
+          placeholder="输入日期时间"
+          value={dateValue}
+          onChange={(e) => setDateValue(e.target.value)}/>
+        <select
+          value={selectedZone}
+          onChange={(e) => setSelectedZone(e.target.value)}
+        >
+          <TimezoneOptions zones={timeZoneList}/>
+        </select>
+      </div>
+      
+      <div style={{marginBottom: '20px'}}>
+        <button
+          className={'action-btn'}
+          onClick={handleConvertDatetimeToTimestamp}
+        >
+          转换
+        </button>
+      </div>
+      
+      <div>
+        <input
+          type="text"
+          placeholder="转换结果"
+          value={result}
+          readOnly
+        />
+        <select
+          value={unit}
+          aria-label='选择时间戳单位'
+          onChange={(e) => setUnit(e.target.value)}
+        >
+          <option value="milliseconds">毫秒(ms)</option>
+          <option value="seconds">秒(s)</option>
+        </select>
+      </div>
+    </div>
+  </div>)
+}

src/components/TimestampExecution.js

@@ -0,0 +1,45 @@
+import {useEffect, useState} from "react";
+import CopyButton from "./CopyButton";
+
+export function TimestampExecution() {
+  const [currentTimestamp, setCurrentTimestamp] = useState(Math.floor(Date.now()));
+  const [showMilliseconds, setShowMilliseconds] = useState(true);
+  const [isRunningTimestamp, setIsRunningTimestamp] = useState(true);
+  // 定时更新时间戳
+  useEffect(() => {
+    const timerId = isRunningTimestamp ? setInterval(() => {
+      setCurrentTimestamp(Math.floor(Date.now()));
+    }, showMilliseconds ? 100 : 1000) : null;
+    
+    return () => clearInterval(timerId);
+  }, [isRunningTimestamp, showMilliseconds]);
+  
+  const toggleUnit = () => setShowMilliseconds(prev => !prev);
+  const toggleTimestamp = () => setIsRunningTimestamp(prev => !prev);
+  
+  return (<div>
+    <h2>当前时间戳</h2>
+    <p>
+      <span>{Math.floor(currentTimestamp / (showMilliseconds ? 1 : 1000))}</span>
+      <span>{showMilliseconds ? '毫秒' : '秒'}</span>
+    </p>
+    <div>
+      <button type="button"
+              className="action-btn"
+              onClick={toggleUnit}
+              aria-label={showMilliseconds ? '切换为秒' : '切换为毫秒'}
+      >
+        切换单位
+      </button>
+      <CopyButton text={currentTimestamp.toString()} buttonText='复制'></CopyButton>
+      <button
+        type="button" // 明确指定类型，防止在 Form 中意外触发提交
+        className={`btn ${isRunningTimestamp ? 'stop-btn' : 'action-btn'}`}
+        onClick={toggleTimestamp}
+        aria-label={isRunningTimestamp ? '停止时间戳更新' : '开始时间戳更新'}
+      >
+        {isRunningTimestamp ? '停止' : '开始'}
+      </button>
+    </div>
+  </div>)
+}

src/components/TimestampToDatetime.js

@@ -0,0 +1,69 @@
+import {useMemo, useState} from "react";
+import {formatWithZone, TimezoneOptions} from "../utils/timeUtils";
+
+export function TimestampToDatetime() {
+  const [timestampValue, setTimestampValue] = useState(Date.now());
+  const [timestampResult, setTimestampResult] = useState('');
+  const [unit, setUnit] = useState('milliseconds');
+  const [selectedZone, setSelectedZone] = useState('Asia/Shanghai');
+  const timeZoneList = useMemo(() => ['America/New_York', 'America/Chicago', 'America/Denver', 'America/Los_Angeles', 'America/Anchorage', 'America/Honolulu', 'Europe/London', 'Europe/Paris', 'Europe/Berlin', 'Europe/Moscow', 'Asia/Tokyo', 'Asia/Shanghai', 'Asia/Hong_Kong', 'Asia/Singapore', 'Asia/Dubai', 'Asia/Kolkata', 'Australia/Sydney', 'Pacific/Auckland',], []);
+  
+  function handleConvertTimestampToDate() {
+    if (!timestampValue) {
+      setTimestampResult('请输入时间戳');
+      return;
+    }
+    
+    const result = formatWithZone(timestampValue, selectedZone, unit);
+    setTimestampResult(result);
+  }
+  
+  const handleInputChange = (e) => setTimestampValue(e.target.value);
+  
+  return (
+    <div>
+      <h2>时间戳转日期时间</h2>
+      <div>
+        <div style={{display: 'flex', gap: '8px', alignItems: 'center'}}>
+          <input
+            type="number"
+            placeholder="请输入时间戳"
+            value={timestampValue}
+            onChange={handleInputChange}
+            style={{minWidth: '200px'}}
+          />
+          <select
+            value={unit}
+            aria-label='选择时间戳单位'
+            onChange={(e) => setUnit(e.target.value)}
+          >
+            <option value="milliseconds">毫秒(ms)</option>
+            <option value="seconds">秒(s)</option>
+          </select>
+        </div>
+        
+        <div style={{marginBottom: '20px'}}>
+          <button className={'action-btn'} onClick={handleConvertTimestampToDate}>
+            转换
+          </button>
+        </div>
+        
+        <div style={{display: 'flex', gap: '8px', alignItems: 'center'}}>
+          <input
+            type="text"
+            placeholder="转换结果"
+            value={timestampResult}
+            readOnly
+            style={{minWidth: '200px'}}
+          />
+          <select
+            value={selectedZone}
+            onChange={(e) => setSelectedZone(e.target.value)}
+          >
+            <TimezoneOptions zones={timeZoneList}/>
+          </select>
+        </div>
+      </div>
+    </div>
+  )
+}

src/pages/TimestampPage.js

@@ -1,163 +1,15 @@
-import {useState, useEffect} from 'react';
+import {TimestampToDatetime} from "../components/TimestampToDatetime";
-import CopyButton from "../components/CopyButton";
+import {DatetimeToTimestamp} from "../components/DatetimeToTimestamp";
-import {formatDate} from "../utils/timeUtils";
+import {TimestampExecution} from "../components/TimestampExecution";
+
 
 const TimestampPage = () => {
-  const [currentTimestamp, setCurrentTimestamp] = useState(Math.floor(Date.now()));
-  const [showMilliseconds, setShowMilliseconds] = useState(true);
-  const [isRunningTimestamp, setIsRunningTimestamp] = useState(true);
-  const [timestampValue, setTimestampValue] = useState(Date.now());
-  const [dateValue, setDateValue] = useState(formatDate(Date.now()));
-  const [timestampResult, setTimestampResult] = useState('');
-  const [dateResult, setDateResult] = useState('');
   
-  // 定时更新时间戳
+  return (<div>
-  useEffect(() => {
+    <TimestampExecution/>
-    let timerId = null;
+    <TimestampToDatetime/>
-    
+    <DatetimeToTimestamp/>
-    if (isRunningTimestamp) {
+  </div>);
-      timerId = setInterval(() => {
-        setCurrentTimestamp(Math.floor(Date.now()));
-      }, 1000);
-    }
-    
-    return () => {
-      if (timerId) {
-        clearInterval(timerId);
-        timerId = null;
-      }
-    }
-  }, [isRunningTimestamp]);
-  
-  function toggleUnit() {
-    setShowMilliseconds(prev => !prev);
-  }
-  
-  function toggleTimestamp() {
-    setIsRunningTimestamp((prev => !prev));
-  }
-  
-  function handleConvertTimestampToDate() {
-    if (!timestampValue) {
-      setTimestampResult('请输入时间戳');
-      return;
-    }
-    
-    setTimestampResult(formatDate(new Date(Number(timestampValue))));
-  }
-  
-  function handleConvertDateToTimestamp() {
-    if (!dateValue) {
-      setDateResult('请输入日期222');
-      return;
-    }
-    
-    const date = new Date(dateValue);
-    
-    if (isNaN(date.getTime())) {
-      setDateResult('请输入日期333');
-      return;
-    }
-    
-    setDateResult(date.getTime());
-  }
-  
-  return (
-    <div>
-      <div>
-        <h2>当前时间戳</h2>
-        <p>
-          <span>{Math.floor(currentTimestamp / (showMilliseconds ? 1 : 1000))}</span>
-          <span>{showMilliseconds ? '毫秒' : '秒'}</span>
-        </p>
-        <div>
-          <button type="button"
-                  className="action-btn"
-                  onClick={toggleUnit}
-                  aria-label={showMilliseconds ? '切换为秒' : '切换为毫秒'}
-          >
-            切换单位
-          </button>
-          <CopyButton text={currentTimestamp.toString()} buttonText='复制'></CopyButton>
-          <button
-            type="button" // 明确指定类型，防止在 Form 中意外触发提交
-            className={`btn ${isRunningTimestamp ? 'stop-btn' : 'action-btn'}`}
-            onClick={toggleTimestamp}
-            aria-label={isRunningTimestamp ? '停止时间戳更新' : '开始时间戳更新'}
-          >
-            {isRunningTimestamp ? '停止' : '开始'}
-          </button>
-        </div>
-      </div>
-      
-      <div>
-        <h2>时间戳转日期时间</h2>
-        <div>
-          <div>
-            <input
-              type="text"
-              placeholder="请输入时间戳"
-              value={timestampValue}
-              onChange={(e) => setTimestampValue(Number(e.target.value))}/>
-            <label aria-label={'选择时间戳单位'}>
-              <select name='时间戳单位' defaultChecked='milliseconds'>
-                <option value="milliseconds">毫秒(ms)</option>
-                <option value="seconds">秒(s)</option>
-              </select>
-            </label>
-          </div>
-          
-          <div>
-            <button className={'action-btn'} onClick={handleConvertTimestampToDate}>
-              转换
-            </button>
-          </div>
-          
-          <div>
-            <input
-              type="text"
-              placeholder="转换结果"
-              value={timestampResult}
-              readOnly
-            />
-            <select></select>
-          </div>
-        </div>
-      </div>
-      
-      <div>
-        <h2>日期时间转时间戳</h2>
-        <div className="datetime-box">
-          <div className="input-group">
-            <input type="text" id="datetime-input" placeholder="输入日期时间" className="input-text" value={dateValue}
-                   onChange={(e) => setDateValue(e.target.value)}/>
-            <select className="select-box" id="timezone-input"></select>
-          </div>
-          
-          <div className="input-group">
-            <button id="convert-date-to-timestamp-btn" className="action-btn" onClick={handleConvertDateToTimestamp}>
-              转换
-            </button>
-          </div>
-          
-          <div className="input-group">
-            <input
-              type="text"
-              id="date-conversion-result"
-              placeholder="转换结果"
-              className="input-text"
-              value={dateResult}
-              readOnly
-            />
-            <select id="date-result-unit-select" className="select-box">
-              <option value="milliseconds">毫秒(ms)</option>
-              <option value="seconds">秒(s)</option>
-            </select>
-          </div>
-        </div>
-      </div>
-    </div>
-  );
 };
 
 export default TimestampPage;

src/utils/timeUtils.js

@@ -1,4 +1,4 @@
-export function formatDate(value) {
+export function formatDate(value, timezone = 'Asia/Shanghai') {
   return (new Intl.DateTimeFormat('zh-CN', {
     year: 'numeric',
     month: 'numeric',
@@ -6,6 +6,64 @@ export function formatDate(value) {
     hour: 'numeric',
     minute: 'numeric',
     second: 'numeric',
+    timeZone: timezone,
   })).format(value);
 }
 
+export const TimezoneOptions = ({zones}) => {
+  return (zones.map((zone) => (<option key={zone} value={zone}>{zone}</option>)));
+}
+
+export const formatWithZone = (timestamp, zone = 'Asia/Shanghai', unit = 'milliseconds') => {
+  try {
+    const ms = unit === 'milliseconds' ? Number(timestamp) : Number(timestamp) * 1000;
+    return new Intl.DateTimeFormat('zh-CN', {
+      year: 'numeric',
+      month: 'numeric',
+      day: 'numeric',
+      hour: 'numeric',
+      minute: 'numeric',
+      second: 'numeric',
+      timeZone: zone,
+    }).format(ms);
+  } catch (e) {
+    return '格式错误';
+  }
+}
+
+export const getTimeZoneOffset = (timeZone) => {
+  const now = new Date();
+  const utc = new Date(now.toLocaleString('en-US', {timeZone: 'UTC'}));
+  const target = new Date(now.toLocaleString('en-US', {timeZone: timeZone}));
+  return target.getTime() - utc.getTime();
+}
+
+export const formatWithDate = (
+  date,
+  timeZone = Intl.DateTimeFormat().resolvedOptions().timeZone
+) => {
+  try {
+    // 创建日期对象
+    const dateObj = new Date(date);
+    
+    // 检查日期是否有效
+    if (isNaN(dateObj.getTime())) {
+      return '无效的日期';
+    }
+    
+    // 如果提供了时区，则需要特殊处理
+    if (timeZone) {
+      // 获取给定时区相对于UTC的时间差（毫秒）
+      const utc = dateObj.getTime() + dateObj.getTimezoneOffset() * 60000;
+      
+      // 计算目标时区相对于UTC的偏移量
+      const targetOffset = getTimeZoneOffset(timeZone);
+      
+      return utc + targetOffset;
+    } else {
+      return dateObj.getTime();
+    }
+  } catch (error) {
+    return '日期转换错误: ' + error.message;
+  }
+}