更新文件结构

Server.go

@@ -6,6 +6,8 @@ import (
 	"net/http"
 	"strconv"
 	"sync"
+
+	db "BackEnd/db"
 )
 
 // 统一响应格式
@@ -15,22 +17,15 @@ type Response struct {
 	Data interface{} `json:"data"` // 响应数据
 }
 
-// 评论数据结构
-type Comment struct {
-	ID      int    `json:"id"`      // 评论ID
-	Name    string `json:"name"`    // 评论者名字
-	Content string `json:"content"` // 评论内容
-}
-
 // 分页响应结构
 type CommentList struct {
 	Total    int       `json:"total"`    // 总评论数
-	Comments []Comment `json:"comments"` // 评论列表
+	Comments []db.Comment `json:"comments"` // 评论列表
 }
 
 var (
 	mutex     sync.RWMutex       // 读写锁保护共享数据
-	comments  []Comment          // 内存存储的评论列表
+	comments  []db.Comment          // 内存存储的评论列表
 	incrementID int = 1          // 自增ID计数器
 )
 
@@ -103,7 +98,7 @@ func getCommentHandler(w http.ResponseWriter, r *http.Request) {
 	if start >= total {
 		sendResponse(w, 0, "success", CommentList{
 			Total:    total,
-			Comments: []Comment{},
+			Comments: []db.Comment{},
 		})
 		return
 	}
@@ -161,7 +156,7 @@ func addCommentHandler(w http.ResponseWriter, r *http.Request) {
 	defer mutex.Unlock() // 函数返回时解锁
 
 	// 创建新评论
-	newComment := Comment{
+	newComment := db.Comment{
 		ID:      incrementID,
 		Name:    req.Name,
 		Content: req.Content,
@@ -228,7 +223,7 @@ func deleteCommentHandler(w http.ResponseWriter, r *http.Request) {
 
 func main() {
 	// 初始化一些测试数据
-	comments = []Comment{
+	comments = []db.Comment{
 		{ID: 1, Name: "Alice", Content: "First comment!"},
 		{ID: 2, Name: "Bob", Content: "Great work!"},
 	}

db/Init.go

+package db
+
+
+import (
+        //"fmt"
+        //"log"
+        //"gorm.io/driver/sqlite"
+        "gorm.io/gorm"
+)
+
+type Comment struct {
+	ID      int    `json:"id" gorm:"primaryKey;autoIncrement"` // 评论ID
+	Name    string `json:"name" gorm:"not null"` // 评论者名字
+	Content string `json:"content" gorm:"not null"` // 评论内容
+}
+
+var (
+	DB   *gorm.DB
+	//once sync.Once
+)
+
+/*
+
+func InitDB(dbPath string) {
+	once.Do(func() {
+		var err error
+		DB, err = gorm.Open(sqlite.Open(dbPath), &gorm.Config{})
+		if err != nil {
+			log.Fatalf("Failed to open database: %v", err)
+		}
+
+		// 创建评论表
+		createTable := `
+		CREATE TABLE IF NOT EXISTS comments (
+			id INTEGER PRIMARY KEY AUTOINCREMENT,
+			name TEXT NOT NULL,
+			content TEXT NOT NULL,
+			created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
+		);`
+
+		if err := DB.Exec(createTable).Error; err != nil {
+			log.Fatalf("Failed to create table: %v", err)
+		}
+
+		log.Println("Database initialized successfully")
+	})
+}
+
+// 关闭数据库连接
+func CloseDB() {
+	if DB != nil {
+		DB.Close()
+	}
+}
+
+*/
\ No newline at end of file

db/Model.go

+package db
\ No newline at end of file

go.mod

-module intern_project_backend
+module BackEnd
 
 go 1.24.3
+
+require (
+	github.com/jinzhu/inflection v1.0.0 // indirect
+	github.com/jinzhu/now v1.1.5 // indirect
+	github.com/mattn/go-sqlite3 v1.14.28 // indirect
+	golang.org/x/text v0.26.0 // indirect
+	gorm.io/driver/sqlite v1.6.0 // indirect
+	gorm.io/gorm v1.30.0 // indirect
+)

go.sum

+github.com/jinzhu/inflection v1.0.0 h1:K317FqzuhWc8YvSVlFMCCUb36O/S9MCKRDI7QkRKD/E=
+github.com/jinzhu/inflection v1.0.0/go.mod h1:h+uFLlag+Qp1Va5pdKtLDYj+kHp5pxUVkryuEj+Srlc=
+github.com/jinzhu/now v1.1.5 h1:/o9tlHleP7gOFmsnYNz3RGnqzefHA47wQpKrrdTIwXQ=
+github.com/jinzhu/now v1.1.5/go.mod h1:d3SSVoowX0Lcu0IBviAWJpolVfI5UJVZZ7cO71lE/z8=
+github.com/mattn/go-sqlite3 v1.14.28 h1:ThEiQrnbtumT+QMknw63Befp/ce/nUPgBPMlRFEum7A=
+github.com/mattn/go-sqlite3 v1.14.28/go.mod h1:Uh1q+B4BYcTPb+yiD3kU8Ct7aC0hY9fxUwlHK0RXw+Y=
+golang.org/x/text v0.26.0 h1:P42AVeLghgTYr4+xUnTRKDMqpar+PtX7KWuNQL21L8M=
+golang.org/x/text v0.26.0/go.mod h1:QK15LZJUUQVJxhz7wXgxSy/CJaTFjd0G+YLonydOVQA=
+gorm.io/driver/sqlite v1.6.0 h1:WHRRrIiulaPiPFmDcod6prc4l2VGVWHz80KspNsxSfQ=
+gorm.io/driver/sqlite v1.6.0/go.mod h1:AO9V1qIQddBESngQUKWL9yoH93HIeA1X6V633rBwyT8=
+gorm.io/gorm v1.30.0 h1:qbT5aPv1UH8gI99OsRlvDToLxW5zR7FzS9acZDOZcgs=
+gorm.io/gorm v1.30.0/go.mod h1:8Z33v652h4//uMA76KjeDH8mJXPm1QNCYrMeatR0DOE=