comment-system/config/config.yaml

+server:
+  port: 8080
+  timeout: 5s
+
+database:
+  dsn: "user:password@tcp(localhost:3306)/dbname?charset=utf8mb4&parseTime=True&loc=Local"

comment-system/go.mod

+module comment-system
+
+go 1.24.3
+
+require (
+	github.com/gin-gonic/gin v1.10.1
+	github.com/lib/pq v1.10.9
+)
+
+require (
+	github.com/bytedance/sonic v1.11.6 // indirect
+	github.com/bytedance/sonic/loader v0.1.1 // indirect
+	github.com/cloudwego/base64x v0.1.4 // indirect
+	github.com/cloudwego/iasm v0.2.0 // indirect
+	github.com/gabriel-vasile/mimetype v1.4.3 // indirect
+	github.com/gin-contrib/sse v0.1.0 // indirect
+	github.com/go-playground/locales v0.14.1 // indirect
+	github.com/go-playground/universal-translator v0.18.1 // indirect
+	github.com/go-playground/validator/v10 v10.20.0 // indirect
+	github.com/goccy/go-json v0.10.2 // indirect
+	github.com/json-iterator/go v1.1.12 // indirect
+	github.com/klauspost/cpuid/v2 v2.2.7 // indirect
+	github.com/leodido/go-urn v1.4.0 // indirect
+	github.com/mattn/go-isatty v0.0.20 // indirect
+	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
+	github.com/modern-go/reflect2 v1.0.2 // indirect
+	github.com/pelletier/go-toml/v2 v2.2.2 // indirect
+	github.com/twitchyliquid64/golang-asm v0.15.1 // indirect
+	github.com/ugorji/go/codec v1.2.12 // indirect
+	golang.org/x/arch v0.8.0 // indirect
+	golang.org/x/crypto v0.23.0 // indirect
+	golang.org/x/net v0.25.0 // indirect
+	golang.org/x/sys v0.20.0 // indirect
+	golang.org/x/text v0.15.0 // indirect
+	google.golang.org/protobuf v1.34.1 // indirect
+	gopkg.in/yaml.v3 v3.0.1 // indirect
+)

comment-system/go.sum

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comment-system/handlers/handlers.go

+package handlers
+
+import (
+	"database/sql"
+	"net/http"
+	"strconv"
+
+	"github.com/gin-gonic/gin"
+)
+
+var db *sql.DB
+
+func InitDB(database *sql.DB) {
+	db = database
+}
+
+type Comment struct {
+	ID        int    `json:"id"`
+	Name      string `json:"name"`
+	Content   string `json:"content"`
+	CreatedAt string `json:"created_at"`
+}
+
+type Response struct {
+	Code int         `json:"code"`
+	Msg  string      `json:"msg"`
+	Data interface{} `json:"data"`
+}
+
+// 获取评论
+func GetCommentsHandler(c *gin.Context) {
+	// 参数验证
+	page, err := strconv.Atoi(c.DefaultQuery("page", "1"))
+	if err != nil || page < 1 {
+		page = 1
+	}
+
+	size, err := strconv.Atoi(c.DefaultQuery("size", "10"))
+	if err != nil || size < -1 {
+		size = 10
+	}
+
+	// 查询总数
+	var total int
+	countQuery := "SELECT COUNT(*) FROM comments"
+	err = db.QueryRow(countQuery).Scan(&total)
+	if err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{
+			"code": 500,
+			"msg":  "查询总数失败: " + err.Error(),
+		})
+		return
+	}
+
+	// 构建查询
+	query := "SELECT id, name, content, TO_CHAR(created_at, 'YYYY-MM-DD HH24:MI') AS created_at FROM comments"
+	args := []interface{}{}
+
+	// 始终排序
+	query += " ORDER BY created_at DESC"
+
+	// 分页处理
+	if size != -1 {
+		offset := (page - 1) * size
+		query += " LIMIT $1 OFFSET $2"
+		args = append(args, size, offset)
+	}
+
+	// 执行查询
+	rows, err := db.Query(query, args...)
+	if err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{
+			"code": 500,
+			"msg":  "查询评论失败: " + err.Error(),
+		})
+		return
+	}
+	defer rows.Close()
+
+	// 处理结果
+	var comments []Comment
+	for rows.Next() {
+		var comment Comment
+		if err := rows.Scan(
+			&comment.ID,
+			&comment.Name,
+			&comment.Content,
+			&comment.CreatedAt,
+		); err != nil {
+			c.JSON(http.StatusInternalServerError, gin.H{
+				"code": 500,
+				"msg":  "解析评论失败: " + err.Error(),
+			})
+			return
+		}
+		comments = append(comments, comment)
+	}
+
+	// 返回标准响应结构
+	c.JSON(http.StatusOK, gin.H{
+		"code": 0,
+		"msg":  "success",
+		"data": gin.H{
+			"total":    total,
+			"comments": comments,
+		},
+	})
+}
+
+// 添加评论
+func AddCommentHandler(c *gin.Context) {
+	var newComment Comment
+	if err := c.ShouldBindJSON(&newComment); err != nil {
+		c.JSON(http.StatusOK, Response{Code: 400, Msg: "Invalid request"})
+		return
+	}
+
+	// 插入数据库
+	var id int
+	err := db.QueryRow(
+		"INSERT INTO comments (name, content, created_at) VALUES ($1, $2, $3) RETURNING id",
+		newComment.Name, newComment.Content, newComment.CreatedAt,
+	).Scan(&id)
+	if err != nil {
+		c.JSON(http.StatusOK, Response{Code: 500, Msg: err.Error()})
+		return
+	}
+
+	newComment.ID = id
+	c.JSON(http.StatusOK, Response{
+		Code: 0,
+		Msg:  "Comment added",
+		Data: newComment,
+	})
+}
+
+// 删除评论
+func DeleteCommentHandler(c *gin.Context) {
+	id, err := strconv.Atoi(c.Query("id"))
+	if err != nil || id <= 0 {
+		c.JSON(http.StatusOK, Response{Code: 400, Msg: "Invalid ID"})
+		return
+	}
+
+	result, err := db.Exec("DELETE FROM comments WHERE id = $1", id)
+	if err != nil {
+		c.JSON(http.StatusOK, Response{Code: 500, Msg: err.Error()})
+		return
+	}
+
+	rowsAffected, _ := result.RowsAffected()
+	if rowsAffected == 0 {
+		c.JSON(http.StatusOK, Response{Code: 404, Msg: "Comment not found"})
+		return
+	}
+
+	c.JSON(http.StatusOK, Response{
+		Code: 0,
+		Msg:  "Comment deleted",
+		Data: nil,
+	})
+}

comment-system/main.go

+package main
+
+import (
+	"comment-system/handlers"
+	"database/sql"
+	"fmt"
+	"log"
+
+	"github.com/gin-gonic/gin"
+	_ "github.com/lib/pq"
+)
+
+const (
+	host     = "localhost"
+	port     = 5432
+	user     = "comments_user"
+	password = "secure_password"
+	dbname   = "comments_db"
+)
+
+var db *sql.DB
+
+func main() {
+	psqlInfo := fmt.Sprintf("host=%s port=%d user=%s password=%s dbname=%s sslmode=disable",
+		host, port, user, password, dbname)
+
+	var err error
+	db, err = sql.Open("postgres", psqlInfo)
+	if err != nil {
+		log.Fatal(err)
+	}
+	defer db.Close()
+
+	err = db.Ping()
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	handlers.InitDB(db)
+
+	createTable()
+
+	var tableExists bool
+	err = db.QueryRow(`
+        SELECT EXISTS (
+            SELECT 1 
+            FROM information_schema.tables 
+            WHERE table_name = 'comments'
+        )
+    `).Scan(&tableExists)
+
+	if err != nil {
+		log.Fatal("Table check failed: ", err)
+	}
+
+	if !tableExists {
+		log.Println("Table 'comments' not found, creating...")
+		createTable()
+	} else {
+		log.Println("Table 'comments' already exists")
+	}
+
+	router := gin.Default()
+
+	router.Use(func(c *gin.Context) {
+		c.Writer.Header().Set("Access-Control-Allow-Origin", "*")
+		c.Writer.Header().Set("Access-Control-Allow-Methods", "GET, POST, OPTIONS")
+		c.Writer.Header().Set("Access-Control-Allow-Headers", "Content-Type")
+		if c.Request.Method == "OPTIONS" {
+			c.AbortWithStatus(204)
+			return
+		}
+		c.Next()
+	})
+
+	router.GET("/comment/get", handlers.GetCommentsHandler)
+	router.POST("/comment/add", handlers.AddCommentHandler)
+	router.POST("/comment/delete", handlers.DeleteCommentHandler)
+
+	log.Println("Server started on :8080")
+	log.Fatal(router.Run(":8080"))
+}
+
+// 新增表创建函数
+func createTable() {
+	query := `
+        CREATE TABLE IF NOT EXISTS comments (
+            id SERIAL PRIMARY KEY,
+            name VARCHAR(100) NOT NULL,
+            content TEXT NOT NULL,
+            created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
+        )
+    `
+
+	_, err := db.Exec(query)
+	if err != nil {
+		log.Fatalf("创建表失败: %v\n请执行以下命令修复:\nGRANT USAGE, CREATE ON SCHEMA public TO comments_user;", err)
+	}
+	log.Println("表 'comments' 创建成功")
+}

comment-system/static/.gitignore

+# Logs
+logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+pnpm-debug.log*
+lerna-debug.log*
+
+node_modules
+dist
+dist-ssr
+*.local
+
+# Editor directories and files
+.vscode/*
+!.vscode/extensions.json
+.idea
+.DS_Store
+*.suo
+*.ntvs*
+*.njsproj
+*.sln
+*.sw?

comment-system/static/README.md

+```
+cd comment
+npm run dev
+```

comment-system/static/eslint.config.js

+import js from '@eslint/js'
+import globals from 'globals'
+import reactHooks from 'eslint-plugin-react-hooks'
+import reactRefresh from 'eslint-plugin-react-refresh'
+import tseslint from 'typescript-eslint'
+
+export default tseslint.config(
+  { ignores: ['dist'] },
+  {
+    extends: [js.configs.recommended, ...tseslint.configs.recommended],
+    files: ['**/*.{ts,tsx}'],
+    languageOptions: {
+      ecmaVersion: 2020,
+      globals: globals.browser,
+    },
+    plugins: {
+      'react-hooks': reactHooks,
+      'react-refresh': reactRefresh,
+    },
+    rules: {
+      ...reactHooks.configs.recommended.rules,
+      'react-refresh/only-export-components': [
+        'warn',
+        { allowConstantExport: true },
+      ],
+    },
+  },
+)

comment-system/static/index.html

+<!doctype html>
+<html lang="en">
+  <head>
+    <meta charset="UTF-8" />
+    <link rel="icon" type="image/svg+xml" href="/public/icon.jpg" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <title>Xanadu's Comment</title>
+  </head>
+  <body>
+    <div id="root"></div>
+    <script type="module" src="/src/main.tsx"></script>
+    <script src="/src/load.js"></script>
+  </body>
+</html>

comment-system/static/package.json

+{
+  "name": "my-app",
+  "private": true,
+  "version": "0.0.0",
+  "type": "module",
+  "scripts": {
+    "dev": "vite",
+    "build": "tsc -b && vite build",
+    "lint": "eslint .",
+    "preview": "vite preview"
+  },
+  "dependencies": {
+    "date-fns": "^4.1.0",
+    "react": "^19.1.0",
+    "react-dom": "^19.1.0"
+  },
+  "devDependencies": {
+    "@eslint/js": "^9.25.0",
+    "@types/react": "^19.1.2",
+    "@types/react-dom": "^19.1.2",
+    "@vitejs/plugin-react-swc": "^3.9.0",
+    "eslint": "^9.25.0",
+    "eslint-plugin-react-hooks": "^5.2.0",
+    "eslint-plugin-react-refresh": "^0.4.19",
+    "globals": "^16.0.0",
+    "typescript": "~5.8.3",
+    "typescript-eslint": "^8.30.1",
+    "vite": "^6.3.5"
+  }
+}

comment-system/static/src/App.tsx

+import { format } from "date-fns";
+
+const currentTime = new Date();
+const formattedTime = format(currentTime, 'yyyy-MM-dd HH:mm');
+
+async function AddComment({name, profilePhoto}:{name: string, profilePhoto:string}) {
+  const textInput = document.getElementById('textInput') as HTMLInputElement;
+  const content = textInput.value;
+  if (content === '')
+  {
+    alert('Text input cannot be empty')
+    return
+  }
+
+  if (name === '') 
+  {
+    name = '小黑子'
+  }
+
+  try {
+    const response = await fetch('http://localhost:8080/comment/add', {
+      method: 'POST',
+      headers: { 'Content-Type': 'application/json' },
+      body: JSON.stringify({ name, content, created_at: formattedTime})
+    });
+
+    const result = await response.json();
+    if (result.code !== 0) 
+    {
+      alert(`操作失败: ${result.msg}`);
+      throw new Error(result.msg);
+    }
+    const newComment = result.data;
+
+    const NewCommentPart = document.createElement('div')
+    const UserPhoto = document.createElement('img')
+    UserPhoto.className = 'comment-avatar'
+    UserPhoto.src = profilePhoto
+    UserPhoto.alt = name
+    UserPhoto.style.width = '30px'
+    UserPhoto.style.height = '30px'
+    UserPhoto.style.borderRadius = '50%'
+    NewCommentPart.appendChild(UserPhoto)
+
+    const UserCommentContent = document.createElement('div')
+    UserCommentContent.className = 'comment-content'
+
+      const UserName = document.createElement('span')
+      UserName.textContent = name
+      UserName.className = 'comment-meta'
+      UserCommentContent.appendChild(UserName)
+
+      const UserDate = document.createElement('span')
+      UserDate.textContent = formattedTime
+      UserDate.className = 'comment-date'
+      UserCommentContent.appendChild(UserDate)
+
+      const UserComment = document.createElement('p')
+      UserComment.textContent = textInput.value
+      UserComment.style.marginLeft = '10px'
+      textInput.value = '';
+      (document.getElementById('nameInput') as HTMLInputElement).value = '';
+      UserCommentContent.appendChild(UserComment)
+
+      const DeleteButtonArea = document.createElement('div')
+    DeleteButtonArea.className = 'comment-delete'
+    const DeleteButton = document.createElement('button')
+    DeleteButton.textContent = 'Delete'
+    DeleteButton.id = 'deleteButton'
+    DeleteButton.onclick = async () => {
+      const commentItem = DeleteButton.closest('.comment-item')
+      if (commentItem) {
+        commentItem.remove()
+        try {
+          await fetch(`http://localhost:8080/comment/delete?id=${newComment.id}`, {
+            method: 'POST'
+          });
+          commentItem.remove();
+        } catch {
+          alert('删除失败:');
+        }
+      }
+    }
+    DeleteButtonArea.appendChild(DeleteButton)
+    UserCommentContent.appendChild(DeleteButtonArea)
+    NewCommentPart.appendChild(UserCommentContent)
+
+    const NewComment = document.createElement('li')
+    NewComment.className = 'comment-item'
+    NewComment.style.listStyle = 'none'
+    NewComment.appendChild(NewCommentPart)
+
+    const CommentList = document.getElementById('commentlist') as HTMLUListElement
+    CommentList.appendChild(NewComment)
+  }
+  catch (error) {
+    console.error('添加评论失败:', error);
+  };
+}
+
+export default AddComment
\ No newline at end of file

comment-system/static/src/App1.tsx

+async function AddComment({name, profilePhoto}:{name: string, profilePhoto:string}) {
+  const textInput = document.getElementById('textInput') as HTMLInputElement;
+  const content = textInput.value;
+  if (content === '')
+  {
+    alert('Text input cannot be empty')
+    return
+  }
+
+  if (name === '') 
+  {
+    name = '小黑子'
+  }
+
+  try {
+    const NewCommentPart = document.createElement('div')
+    const UserPhoto = document.createElement('img')
+    UserPhoto.className = 'comment-avatar'
+    UserPhoto.src = profilePhoto
+    UserPhoto.alt = name
+    UserPhoto.style.width = '30px'
+    UserPhoto.style.height = '30px'
+    UserPhoto.style.borderRadius = '50%'
+    NewCommentPart.appendChild(UserPhoto)
+
+    const UserCommentContent = document.createElement('div')
+    UserCommentContent.className = 'comment-content'
+
+      const UserName = document.createElement('span')
+      UserName.textContent = name
+      UserName.className = 'comment-meta'
+      UserCommentContent.appendChild(UserName)
+
+      const UserComment = document.createElement('p')
+      UserComment.textContent = textInput.value
+      UserComment.style.marginLeft = '10px'
+      textInput.value = '';
+      (document.getElementById('nameInput') as HTMLInputElement).value = '';
+      UserCommentContent.appendChild(UserComment)
+
+      const DeleteButtonArea = document.createElement('div')
+    DeleteButtonArea.className = 'comment-delete'
+    const DeleteButton = document.createElement('button')
+    DeleteButton.textContent = 'Delete'
+    DeleteButton.id = 'deleteButton'
+    DeleteButton.onclick = async () => {
+      const commentItem = DeleteButton.closest('.comment-item')
+      if (commentItem) {
+        commentItem.remove()
+      }
+    }
+    DeleteButtonArea.appendChild(DeleteButton)
+    UserCommentContent.appendChild(DeleteButtonArea)
+    NewCommentPart.appendChild(UserCommentContent)
+
+    const NewComment = document.createElement('li')
+    NewComment.className = 'comment-item'
+    NewComment.style.listStyle = 'none'
+    NewComment.appendChild(NewCommentPart)
+
+    const CommentList = document.getElementById('commentlist') as HTMLUListElement
+    CommentList.appendChild(NewComment)
+  }
+  catch  {
+    alert('添加评论失败:');
+  };
+}
+
+export default AddComment
\ No newline at end of file

comment-system/static/src/date.tsx

+import { useState, useEffect } from 'react';
+
+export default function DateTimeDisplay() {
+  return (
+    <div className="card">
+        <Clock></Clock>
+        <DateDisplay></DateDisplay>
+        <svg xmlns="http://www.w3.org/2000/svg" width="1em" height="1em" viewBox="0 0 16 16" stroke-width="0" fill="currentColor" stroke="currentColor" className="moon"><path d="M6 .278a.768.768 0 0 1 .08.858 7.208 7.208 0 0 0-.878 3.46c0 4.021 3.278 7.277 7.318 7.277.527 0 1.04-.055 1.533-.16a.787.787 0 0 1 .81.316.733.733 0 0 1-.031.893A8.349 8.349 0 0 1 8.344 16C3.734 16 0 12.286 0 7.71 0 4.266 2.114 1.312 5.124.06A.752.752 0 0 1 6 .278z"></path><path d="M10.794 3.148a.217.217 0 0 1 .412 0l.387 1.162c.173.518.579.924 1.097 1.097l1.162.387a.217.217 0 0 1 0 .412l-1.162.387a1.734 1.734 0 0 0-1.097 1.097l-.387 1.162a.217.217 0 0 1-.412 0l-.387-1.162A1.734 1.734 0 0 0 9.31 6.593l-1.162-.387a.217.217 0 0 1 0-.412l1.162-.387a1.734 1.734 0 0 0 1.097-1.097l.387-1.162zM13.863.099a.145.145 0 0 1 .274 0l.258.774c.115.346.386.617.732.732l.774.258a.145.145 0 0 1 0 .274l-.774.258a1.156 1.156 0 0 0-.732.732l-.258.774a.145.145 0 0 1-.274 0l-.258-.774a1.156 1.156 0 0 0-.732-.732l-.774-.258a.145.145 0 0 1 0-.274l.774-.258c.346-.115.617-.386.732-.732L13.863.1z"></path></svg>
+      </div>
+  )
+}
+
+
+function Clock() {
+  const [time, setTime] = useState(new Date());
+
+  useEffect(() => {
+    const timer = setInterval(() => {
+      setTime(new Date());
+    }, 1000);
+
+    return () => clearInterval(timer);
+  }, []);
+
+  // 创建时间格式化器
+  const formatter = new Intl.DateTimeFormat('en-US', {
+    hour: 'numeric',
+    minute: '2-digit',
+    second: '2-digit',
+    hour12: true
+  });
+  
+  // 将时间拆分为各个部分
+  const parts = formatter.formatToParts(time);
+  
+  // 提取时间部分和AM/PM部分
+  const timeParts = [];
+  let period = '';
+  
+  for (const part of parts) {
+    if (part.type === 'dayPeriod') {
+      period = part.value.toUpperCase(); // 转换为大写
+    } else {
+      timeParts.push(part.value);
+    }
+  }
+  
+  // 合并时间部分（小时、分钟、秒）
+  const timeString = timeParts.join('');
+
+  return (
+    <p className='time-text'>
+      <span className='time-text'>{timeString}</span>
+      <span className='time-sub-text'>{period}</span>
+    </p>
+  );
+}
+
+function DateDisplay() {
+  const [date, setDate] = useState(new Date());
+
+  useEffect(() => {
+    const timer = setInterval(() => {
+      setDate(new Date());
+    }, 1000);
+
+    return () => clearInterval(timer);
+  }, []);
+
+  // 获取星期名称
+  const weekday = date.toLocaleDateString('en-US', { weekday: 'long' });
+  
+  // 获取月份名称
+  const month = date.toLocaleDateString('en-US', { month: 'long' });
+  
+  // 获取日期数字
+  const day = date.getDate();
+  
+  // 添加日期序数后缀
+  interface GetDayWithSuffix {
+    (day: number): string;
+  }
+
+  const getDayWithSuffix: GetDayWithSuffix = (day: number): string => {
+    if (day > 3 && day < 21) return `${day}th`; // 11th-13th例外规则
+    switch (day % 10) {
+      case 1: return `${day}st`;
+      case 2: return `${day}nd`;
+      case 3: return `${day}rd`;
+      default: return `${day}th`;
+    }
+  };
+
+  return <p className='day-text'>{weekday}, {month} {getDayWithSuffix(day)}</p>;
+}
\ No newline at end of file

comment-system/static/src/index.css

+:root {
+  /* Enhanced color palette */
+  --primary-color: #6366f1;
+  --primary-hover: #4f46e5;
+  --primary-light: #a5b4fc;
+  --secondary-color: #06b6d4;
+  --accent-color: #f59e0b;
+  --success-color: #10b981;
+  
+  /* Text colors */
+  --text-primary: #0f172a;
+  --text-secondary: #475569;
+  --text-muted: #94a3b8;
+  
+  /* Background colors */
+  --bg-primary: #ffffff;
+  --bg-secondary: #f8fafc;
+  --bg-accent: #f1f5f9;
+  --bg-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
+  
+  /* Border and shadows */
+  --border-color: #e2e8f0;
+  --border-radius: 16px;
+  --border-radius-sm: 8px;
+  --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.08);
+  --shadow-md: 0 4px 16px rgba(15, 23, 42, 0.1);
+  --shadow-lg: 0 8px 32px rgba(15, 23, 42, 0.12);
+  --shadow-xl: 0 20px 64px rgba(15, 23, 42, 0.15);
+  
+  /* Transitions */
+  --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
+  --transition-normal: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
+  --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
+}
+
+/* Global styles */
+* {
+  box-sizing: border-box;
+}
+
+body {
+  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
+  background: var(--bg-secondary);
+  background-image: 
+    radial-gradient(circle at 25% 25%, rgba(99, 102, 241, 0.05) 0%, transparent 50%),
+    radial-gradient(circle at 75% 75%, rgba(6, 182, 212, 0.05) 0%, transparent 50%);
+  min-height: 100vh;
+  margin: 0;
+  padding: 0;
+  line-height: 1.6;
+  color: var(--text-primary);
+}
+
+/* Header styling */
+h1 {
+  background: var(--bg-gradient);
+  -webkit-background-clip: text;
+  -webkit-text-fill-color: transparent;
+  background-clip: text;
+  font-size: 2.5rem;
+  font-weight: 800;
+  text-align: center;
+  margin: 2rem 0;
+  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
+  animation: fadeInDown 0.8s ease-out;
+}
+
+h3 {
+  color: var(--text-secondary);
+  font-size: 1.5rem;
+  font-weight: 600;
+  text-align: center;
+  margin: 1.5rem 0;
+  position: relative;
+}
+
+h3::after {
+  content: '';
+  position: absolute;
+  bottom: -8px;
+  left: 50%;
+  transform: translateX(-50%);
+  width: 60px;
+  height: 3px;
+  background: var(--bg-gradient);
+  border-radius: 2px;
+}
+
+/* Input area styling */
+.inputarea {
+  background: var(--bg-primary);
+  padding: 2rem;
+  border-radius: var(--border-radius);
+  box-shadow: var(--shadow-lg);
+  width: min(95%, 700px);
+  margin: 2rem auto;
+  border: 1px solid var(--border-color);
+  position: relative;
+  backdrop-filter: blur(10px);
+  animation: slideInUp 0.6s ease-out;
+  display: flex;
+  flex-direction: column;
+  gap: 1.5rem;
+}
+
+.inputarea::before {
+  content: '';
+  position: absolute;
+  top: 0;
+  left: 0;
+  right: 0;
+  height: 4px;
+  background: var(--bg-gradient);
+  border-radius: var(--border-radius) var(--border-radius) 0 0;
+}
+
+.inputarea::after {
+  content: '';
+  position: absolute;
+  bottom: -2rem;
+  left: 50%;
+  transform: translateX(-50%);
+  width: 60%;
+  height: 6px;
+  background: linear-gradient(90deg, transparent, var(--primary-light), transparent);
+  opacity: 0.4;
+  border-radius: 3px;
+}
+
+/* Profile section in input area */
+.inputarea > div:first-child {
+  display: flex;
+  align-items: center;
+  gap: 1rem;
+  margin-bottom: 1rem;
+}
+
+.inputarea img {
+  width: 48px;
+  height: 48px;
+  border-radius: 50%;
+  object-fit: cover;
+  border: 3px solid var(--primary-light);
+  box-shadow: var(--shadow-md);
+  transition: var(--transition-normal);
+}
+
+.inputarea img:hover {
+  transform: scale(1.05);
+  border-color: var(--primary-color);
+}
+
+.card {
+  width: 280px;
+  height: 60px;
+  background: rgb(17, 4, 134);
+  border-radius: 15px;
+  box-shadow: rgb(0,0,0,0.7) 5px 5px 10px ,rgb(0,0,0,0.7) -5px 0px 10px;
+  display: flex;
+  color: white;
+  justify-content: center;
+  position: absolute; right: 30px; top: 21px;
+  flex-direction: column;
+  background: linear-gradient(to right, rgb(20, 30, 48), rgb(36, 59, 85));
+  cursor: pointer;
+  transition: all 0.3s ease-in-out;
+  overflow: hidden;
+}
+
+.card:hover {
+  box-shadow: rgb(0,0,0) 5px 5px 10px ,rgb(0,0,0) -5px 0px 10px;
+}
+
+.time-text {
+  font-size: 20px;
+  margin-bottom: 0px;
+  margin-left: 8px;
+  font-weight: 600;
+  font-family: 'Gill Sans', 'Gill Sans MT', Calibri, 'Trebuchet MS', sans-serif;
+}
+
+.time-sub-text {
+  font-size: 15px;
+  margin-left: 5px;
+}
+
+.day-text {
+  font-size: 15px;
+  margin-top: 0px;
+  margin-left: 15px;
+  font-weight: 500;
+  font-family: 'Gill Sans', 'Gill Sans MT', Calibri, 'Trebuchet MS', sans-serif;
+}
+
+.moon {
+  font-size: 20px;
+  position: absolute;
+  right: 15px;
+  top: 15px;
+  transition: all 0.3s ease-in-out;
+}
+
+.card:hover > .moon {
+  font-size: 23px;
+}
+
+
+/* Input field styling */
+.inputarea input {
+  width: 100%;
+  padding: 1rem 1.25rem;
+  border: 2px solid var(--border-color);
+  border-radius: var(--border-radius-sm);
+  font-size: 1rem;
+  font-family: inherit;
+  transition: var(--transition-normal);
+  background: var(--bg-secondary);
+  outline: none;
+  resize: none;
+}
+
+.inputarea input::placeholder {
+  color: var(--text-muted);
+  font-style: italic;
+}
+
+.inputarea input:focus {
+  border-color: var(--primary-color);
+  box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
+  background: var(--bg-primary);
+  transform: translateY(-1px);
+}
+
+/* Submit button styling */
+#submitButton {
+  background: var(--bg-gradient);
+  color: white;
+  padding: 0.875rem 2rem;
+  border: none;
+  border-radius: var(--border-radius-sm);
+  font-weight: 600;
+  font-size: 1rem;
+  cursor: pointer;
+  transition: var(--transition-normal);
+  display: inline-flex;
+  align-items: center;
+  justify-content: center;
+  gap: 0.5rem;
+  position: relative;
+  overflow: hidden;
+  text-transform: uppercase;
+  letter-spacing: 0.5px;
+  align-self: flex-start;
+}
+
+#submitButton::before {
+  content: '';
+  position: absolute;
+  top: 0;
+  left: -100%;
+  width: 100%;
+  height: 100%;
+  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
+  transition: var(--transition-normal);
+}
+
+#submitButton:hover {
+  transform: translateY(-2px);
+  box-shadow: var(--shadow-lg);
+}
+
+#submitButton:hover::before {
+  left: 100%;
+}
+
+#submitButton:active {
+  transform: translateY(0);
+}
+
+/* Comment list container */
+.comment {
+  width: min(95%, 700px);
+  margin: 0 auto 2rem;
+}
+
+.no-comments {
+  text-align: center;
+  color: var(--text-muted);
+  font-size: 1.25rem;
+  margin-top: 2rem;
+  animation: fadeInDown 0.5s ease-out;
+}
+
+#commentlist {
+  padding: 0;
+  margin: 0;
+  list-style: none;
+}
+
+/* Individual comment item styling */
+.comment-item {
+  background: var(--bg-primary);
+  padding: 1.5rem;
+  border-radius: var(--border-radius);
+  box-shadow: var(--shadow-md);
+  margin-bottom: 1.5rem;
+  position: relative;
+  transition: var(--transition-normal);
+  border-left: 4px solid var(--primary-light);
+  animation: fadeInLeft 0.5s ease-out;
+}
+
+.comment-item:hover {
+  transform: translateY(-3px) translateX(5px);
+  box-shadow: var(--shadow-xl);
+  border-left-color: var(--primary-color);
+}
+
+.comment-item::before {
+  content: '';
+  position: absolute;
+  top: 1.5rem;
+  left: -2px;
+  width: 4px;
+  height: 24px;
+  background: var(--accent-color);
+  border-radius: 2px;
+  opacity: 0;
+  transition: var(--transition-normal);
+}
+
+.comment-item:hover::before {
+  opacity: 1;
+}
+
+/* Comment content layout */
+.comment-item > div {
+  display: flex;
+  gap: 1rem;
+  align-items: flex-start;
+}
+
+/* Comment avatar */
+.comment-avatar {
+  width: 40px !important;
+  height: 40px !important;
+  border-radius: 50% !important;
+  object-fit: cover;
+  border: 2px solid var(--primary-light) !important;
+  box-shadow: var(--shadow-sm) !important;
+  transition: var(--transition-normal) !important;
+  flex-shrink: 0;
+}
+
+.comment-item:hover .comment-avatar {
+  transform: scale(1.1);
+  border-color: var(--primary-color) !important;
+}
+
+/* Comment content area */
+.comment-content {
+  flex: 1;
+  margin-left: 0 !important;
+}
+
+/* Comment meta (username) */
+.comment-meta {
+  color: var(--text-secondary) !important;
+  font-size: 0.875rem !important;
+  font-weight: 600 !important;
+  margin-bottom: 0.5rem !important;
+  display: flex !important;
+  align-items: center !important;
+  gap: 0.5rem !important;
+}
+
+.comment-meta::after {
+  content: '•';
+  color: var(--text-muted);
+  font-size: 0.75rem;
+}
+
+.comment-date {
+  color: var(--text-secondary) !important;
+  font-size: 0.875rem !important;
+  font-weight: 600 !important;
+  margin-bottom: 0.5rem !important;
+  display: flex !important;
+  align-items: center !important;
+  gap: 0.5rem !important;
+}
+
+.comment-date::after {
+  content: '•';
+  color: var(--text-muted);
+  font-size: 0.75rem;
+}
+
+/* Comment text */
+.comment-content p {
+  color: var(--text-primary) !important;
+  margin: 0 !important;
+  line-height: 1.7 !important;
+  padding: 1rem !important;
+  background: var(--bg-accent) !important;
+  border-radius: var(--border-radius-sm) !important;
+  position: relative !important;
+  border: 1px solid var(--border-color);
+  margin-left: 0 !important;
+}
+
+.comment-content p::before {
+  content: '' !important;
+  position: absolute !important;
+  left: -6px !important;
+  top: 1rem !important;
+  width: 0 !important;
+  height: 0 !important;
+  border-style: solid !important;
+  border-width: 6px 6px 6px 0 !important;
+  border-color: transparent var(--bg-accent) transparent transparent !important;
+}
+
+#deleteButton {
+  background: transparent;
+  color: var(--text-muted);
+  border: none;
+  cursor: pointer;
+  font-size: 0.875rem;
+  font-weight: 600;
+  transition: var(--transition-normal);
+}
+
+/* Animations */
+@keyframes fadeInDown {
+  from {
+    opacity: 0;
+    transform: translateY(-30px);
+  }
+  to {
+    opacity: 1;
+    transform: translateY(0);
+  }
+}
+
+@keyframes slideInUp {
+  from {
+    opacity: 0;
+    transform: translateY(30px);
+  }
+  to {
+    opacity: 1;
+    transform: translateY(0);
+  }
+}
+
+@keyframes fadeInLeft {
+  from {
+    opacity: 0;
+    transform: translateX(-20px);
+  }
+  to {
+    opacity: 1;
+    transform: translateX(0);
+  }
+}
+
+/* Dark mode support */
+@media (prefers-color-scheme: dark) {
+  :root {
+    --text-primary: #f1f5f9;
+    --text-secondary: #cbd5e1;
+    --text-muted: #64748b;
+    --bg-primary: #1e293b;
+    --bg-secondary: #0f172a;
+    --bg-accent: #334155;
+    --border-color: #475569;
+    --bg-gradient: linear-gradient(135deg, #4f46e5 0%, #06b6d4 100%);
+  }
+  
+  body {
+    background-image: 
+      radial-gradient(circle at 25% 25%, rgba(79, 70, 229, 0.1) 0%, transparent 50%),
+      radial-gradient(circle at 75% 75%, rgba(6, 182, 212, 0.1) 0%, transparent 50%);
+  }
+
+  .inputarea input {
+    background: var(--bg-accent);
+  }
+
+  .inputarea input:focus {
+    background: var(--bg-primary);
+  }
+}
+
+/* Responsive design */
+@media (max-width: 768px) {
+  h1 {
+    font-size: 2rem;
+  }
+  
+  .inputarea {
+    padding: 1.5rem;
+    margin: 1rem auto;
+    width: min(95%, 100%);
+  }
+  
+  .comment {
+    width: min(95%, 100%);
+  }
+  
+  .comment-item {
+    padding: 1rem;
+  }
+  
+  .comment-item > div {
+    flex-direction: column;
+    gap: 0.75rem;
+  }
+  
+  .comment-avatar {
+    align-self: flex-start;
+  }
+}
+
+/* Scrollbar styling */
+::-webkit-scrollbar {
+  width: 8px;
+}
+
+::-webkit-scrollbar-track {
+  background: var(--bg-secondary);
+}
+
+::-webkit-scrollbar-thumb {
+  background: var(--primary-light);
+  border-radius: 4px;
+}
+
+::-webkit-scrollbar-thumb:hover {
+  background: var(--primary-color);
+}
\ No newline at end of file

comment-system/static/src/load.js

+async function loadComments() {
+    try {
+        const response = await fetch('http://localhost:8080/comment/get');
+        const result = await response.json();
+        
+        // 检查业务状态码
+        if (result.code !== 0) {
+            throw new Error(result.msg || '未知错误');
+        }
+        
+        // 正确的数据结构访问
+        displayComments(result.data.comments);
+    } catch (error) {
+        console.error('加载评论错误:', error);
+        alert('加载评论失败: ' + error.message);
+    }
+}
+
+function displayComments(comments) {
+    const commentsContainer = document.getElementById('commentlist');
+    commentsContainer.innerHTML = '';
+    
+    if (!comments || comments.length === 0) {
+        commentsContainer.innerHTML = '<div class="no-comments">No Comments Yet</div>';
+        return;
+    }
+    
+    comments.forEach(comment => {
+        const commentElement = document.createElement('li');
+        commentElement.className = 'comment-item';
+        
+        commentElement.innerHTML = `
+            <div>
+                <img src='https://pic4.zhimg.com/v2-bf5f58e7b583cd69ac228db9fdff377f_r.jpg' 
+                     class='comment-avatar' alt='${comment.name}' />
+                <div class='comment-content'>
+                    <div>
+                        <span class='comment-meta'>${comment.name}</span>
+                        <span class='comment-date'>${comment.created_at}</span>
+                    </div>
+                    <p>${comment.content}</p>
+                    <div class='comment-delete'>
+                        <button id = 'deleteButton' onclick="deleteComment(${comment.id})">Delete</button>
+                    </div>
+                </div>
+            </div>
+        `;
+        commentsContainer.appendChild(commentElement);
+    });
+}
+
+function deleteComment(commentId) {
+    if (!confirm('确定要删除这条评论吗？')) {
+        return;
+    }
+    
+    fetch(`http://localhost:8080/comment/delete?id=${commentId}`, {
+        method: 'POST',
+    })
+    .then(response => response.json())
+    .then(result => {
+        if (result.code !== 0) {
+            throw new Error(result.msg || '删除失败');
+        }
+        alert('评论已删除');
+        loadComments(); // 重新加载评论列表
+    })
+    .catch(error => {
+        console.error('删除评论错误:', error);
+        alert('删除评论失败: ' + error.message);
+    });
+}
+
+
+
+// 页面加载时调用
+document.addEventListener('DOMContentLoaded', () => {
+    loadComments();
+});
\ No newline at end of file

comment-system/static/src/main.tsx

+import { StrictMode } from 'react'
+import { createRoot } from 'react-dom/client'
+import AddComment from './App.tsx'
+import DateTimeDisplay from './date.tsx'
+import './index.css'
+
+const profilePhoto:string = 'https://pic4.zhimg.com/v2-bf5f58e7b583cd69ac228db9fdff377f_r.jpg'
+
+createRoot(document.getElementById('root')!).render(
+  <StrictMode>
+    <div>
+      <h1 style={{textAlign: 'center'}}>Welcome To Xanadu`s Comment</h1>
+    </div>
+    <Input_Area />
+    <div className='comment'>
+      <div>
+        <h3 style={{textAlign: 'center'}}>
+          All Comment
+        </h3>
+      </div>
+      <ul id='commentlist'></ul>
+    </div>
+  </StrictMode>
+)
+
+function Input_Area() {
+  return (
+    <div className='inputarea'>
+      <img src={profilePhoto} alt={'小黑子'} 
+        style={{width: '40px', height: '40px', borderRadius: '50%'}} />
+
+      <DateTimeDisplay />
+
+      <input type="text" placeholder="Please enter your name" id="nameInput" />
+      <input type="text" placeholder="Please follow the Community Guidelines" id="textInput" onKeyUpCapture={
+        (e) => {
+          const name:string = (document.getElementById('nameInput') as HTMLInputElement).value;
+          if (e.key === 'Enter') {
+            AddComment({name, profilePhoto});
+          }
+        }
+      }/>
+      
+      <button
+        id="submitButton"
+        onClick={() => AddComment({
+          name: (document.getElementById('nameInput') as HTMLInputElement).value,
+          profilePhoto: profilePhoto
+        })}
+      >
+        Submit
+      </button>
+    </div>
+  )
+}
+
+// Set-ExecutionPolicy -Scope Process -ExecutionPolicy Bypass
\ No newline at end of file

comment-system/static/src/object.ts

+class girlFriend {
+    name:string;
+    age:number;
+    character:string[];
+    height:number;
+    weight:number;
+
+    constructor(name:string, age:number, character:string[], height:number, weight:number) {
+        this.name = name;
+        this.age = age;
+        this.character = character;
+        this.height = height;
+        this.weight = weight;
+    }
+}
+
+const MyGirlFriend = new girlFriend("小红", 18, ["温柔", "善良"], 160, 50);
+console.log(MyGirlFriend);
\ No newline at end of file