初始化

hunliji-api/.idea/.gitignore

@@ -0,0 +1,10 @@
+# 默认忽略的文件
+/shelf/
+/workspace.xml
+# 已忽略包含查询文件的默认文件夹
+/queries/
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml
+# 基于编辑器的 HTTP 客户端请求
+/httpRequests/

hunliji-api/.idea/go.imports.xml

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="GoImports">
+    <option name="excludedPackages">
+      <array>
+        <option value="github.com/pkg/errors" />
+        <option value="golang.org/x/net/context" />
+      </array>
+    </option>
+  </component>
+</project>

hunliji-api/.idea/hunliji-api.iml

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="WEB_MODULE" version="4">
+  <component name="Go" enabled="true" />
+  <component name="NewModuleRootManager">
+    <content url="file://$MODULE_DIR$" />
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>

hunliji-api/.idea/modules.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/.idea/hunliji-api.iml" filepath="$PROJECT_DIR$/.idea/hunliji-api.iml" />
+    </modules>
+  </component>
+</project>

hunliji-api/go.mod

@@ -0,0 +1,45 @@
+module hunliji-api
+
+go 1.25.5
+
+require (
+	github.com/gin-gonic/gin v1.12.0
+	gorm.io/driver/mysql v1.6.0
+	gorm.io/gorm v1.31.1
+)
+
+require (
+	filippo.io/edwards25519 v1.1.0 // indirect
+	github.com/bytedance/gopkg v0.1.3 // indirect
+	github.com/bytedance/sonic v1.15.0 // indirect
+	github.com/bytedance/sonic/loader v0.5.0 // indirect
+	github.com/cloudwego/base64x v0.1.6 // indirect
+	github.com/gabriel-vasile/mimetype v1.4.12 // indirect
+	github.com/gin-contrib/sse v1.1.0 // 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 v10.30.1 // indirect
+	github.com/go-sql-driver/mysql v1.8.1 // indirect
+	github.com/goccy/go-json v0.10.5 // indirect
+	github.com/goccy/go-yaml v1.19.2 // indirect
+	github.com/jinzhu/inflection v1.0.0 // indirect
+	github.com/jinzhu/now v1.1.5 // indirect
+	github.com/json-iterator/go v1.1.12 // indirect
+	github.com/klauspost/cpuid/v2 v2.3.0 // 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 v2.2.4 // indirect
+	github.com/quic-go/qpack v0.6.0 // indirect
+	github.com/quic-go/quic-go v0.59.0 // indirect
+	github.com/twitchyliquid64/golang-asm v0.15.1 // indirect
+	github.com/ugorji/go/codec v1.3.1 // indirect
+	go.mongodb.org/mongo-driver/v2 v2.5.0 // indirect
+	golang.org/x/arch v0.22.0 // indirect
+	golang.org/x/crypto v0.48.0 // indirect
+	golang.org/x/net v0.51.0 // indirect
+	golang.org/x/sys v0.41.0 // indirect
+	golang.org/x/text v0.34.0 // indirect
+	google.golang.org/protobuf v1.36.10 // indirect
+)

hunliji-api/go.sum

@@ -0,0 +1,101 @@
+filippo.io/edwards25519 v1.1.0 h1:FNf4tywRC1HmFuKW5xopWpigGjJKiJSV0Cqo0cJWDaA=
+filippo.io/edwards25519 v1.1.0/go.mod h1:BxyFTGdWcka3PhytdK4V28tE5sGfRvvvRV7EaN4VDT4=
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hunliji-api/main.go

@@ -0,0 +1,243 @@
+package main
+
+import (
+	"crypto/hmac"
+	"crypto/sha256"
+	"encoding/base64"
+	"encoding/json"
+	"fmt"
+	"log"
+	"os"
+	"path/filepath"
+	"strings"
+	"time"
+
+	"github.com/gin-gonic/gin"
+	"gorm.io/driver/mysql"
+	"gorm.io/gorm"
+)
+
+// --- 数据库模型 ---
+
+type TemplateConfig struct {
+	ID         uint      `gorm:"primaryKey" json:"id"`
+	ConfigData string    `gorm:"type:json;column:config_data" json:"config_data"`
+	UpdatedAt  time.Time `json:"updated_at"`
+}
+
+type Rsvp struct {
+	ID         uint      `gorm:"primaryKey" json:"id"`
+	Name       string    `gorm:"column:name;size:50" json:"name"`
+	GuestCount string    `gorm:"column:guest_count;size:20" json:"guest_count"` // 必须与前端 guest_count 匹配
+	Wishes     string    `gorm:"column:wishes;type:text" json:"wishes"`
+	CreatedAt  time.Time `gorm:"column:created_at" json:"created_at"`
+}
+
+var db *gorm.DB
+
+// 后台管理员凭据与签名密钥（可用环境变量覆盖）
+var (
+	adminAccount  = getEnv("ADMIN_ACCOUNT", "admin")
+	adminPassword = getEnv("ADMIN_PASSWORD", "admin123")
+	adminSecret   = getEnv("ADMIN_SECRET", "wedding-admin-secret-2026")
+)
+
+func getEnv(k, def string) string {
+	if v := os.Getenv(k); v != "" {
+		return v
+	}
+	return def
+}
+
+// 签发后台令牌：base64(payload).base64(hmac(payload, secret))
+func signToken(account string) string {
+	payload := fmt.Sprintf(`{"account":%q,"exp":%d}`, account, time.Now().Add(24*time.Hour).Unix())
+	b64 := base64.StdEncoding.EncodeToString([]byte(payload))
+	mac := hmac.New(sha256.New, []byte(adminSecret))
+	mac.Write([]byte(b64))
+	sig := base64.StdEncoding.EncodeToString(mac.Sum(nil))
+	return b64 + "." + sig
+}
+
+// 校验后台令牌
+func verifyToken(token string) bool {
+	parts := strings.Split(token, ".")
+	if len(parts) != 2 {
+		return false
+	}
+	mac := hmac.New(sha256.New, []byte(adminSecret))
+	mac.Write([]byte(parts[0]))
+	expected := base64.StdEncoding.EncodeToString(mac.Sum(nil))
+	if !hmac.Equal([]byte(expected), []byte(parts[1])) {
+		return false
+	}
+	raw, err := base64.StdEncoding.DecodeString(parts[0])
+	if err != nil {
+		return false
+	}
+	var claims struct {
+		Account string `json:"account"`
+		Exp     int64  `json:"exp"`
+	}
+	if err := json.Unmarshal(raw, &claims); err != nil {
+		return false
+	}
+	return time.Now().Unix() <= claims.Exp
+}
+
+func bearerToken(c *gin.Context) string {
+	return strings.TrimPrefix(c.GetHeader("Authorization"), "Bearer ")
+}
+
+func initDB() {
+	// DSN: 用户名:密码@tcp(地址:端口)/数据库名
+	dsn := "root:root@tcp(127.0.0.1:3306)/nl_wedding?charset=utf8mb4&parseTime=True&loc=Local"
+	var err error
+	db, err = gorm.Open(mysql.Open(dsn), &gorm.Config{})
+	if err != nil {
+		log.Fatalf("数据库连接失败: %v", err)
+	}
+
+	// 自动同步表结构
+	_ = db.AutoMigrate(&TemplateConfig{}, &Rsvp{})
+
+	// 确保上传目录存在
+	_ = os.MkdirAll("./uploads", os.ModePerm)
+
+	fmt.Println("数据库初始化成功，表结构已同步，上传目录已就绪")
+}
+
+func corsMiddleware() gin.HandlerFunc {
+	return func(c *gin.Context) {
+		c.Writer.Header().Set("Access-Control-Allow-Origin", "*")
+		c.Writer.Header().Set("Access-Control-Allow-Methods", "POST, GET, OPTIONS, PUT")
+		c.Writer.Header().Set("Access-Control-Allow-Headers", "Content-Type, Authorization")
+		if c.Request.Method == "OPTIONS" {
+			c.AbortWithStatus(204)
+			return
+		}
+		c.Next()
+	}
+}
+
+func main() {
+	initDB()
+	r := gin.Default()
+	r.Use(corsMiddleware())
+
+	// 静态文件目录，用于预览上传的图片
+	r.Static("/uploads", "./uploads")
+
+	api := r.Group("/api")
+	{
+		// 0. 后台登录
+		api.POST("/admin/login", func(c *gin.Context) {
+			var body struct {
+				Account  string `json:"account"`
+				Password string `json:"password"`
+			}
+			if err := c.ShouldBindJSON(&body); err != nil {
+				c.JSON(400, gin.H{"error": "参数错误"})
+				return
+			}
+			if body.Account != adminAccount || body.Password != adminPassword {
+				c.JSON(401, gin.H{"error": "账号或密码错误"})
+				return
+			}
+			c.JSON(200, gin.H{
+				"code":  200,
+				"token": signToken(body.Account),
+				"user":  gin.H{"account": body.Account},
+			})
+		})
+
+		// 1. 获取配置
+		api.GET("/config", func(c *gin.Context) {
+			var config TemplateConfig
+			if err := db.First(&config, 1).Error; err != nil {
+				c.JSON(200, gin.H{"code": 200, "data": "{}"})
+				return
+			}
+			c.JSON(200, gin.H{"code": 200, "data": config.ConfigData})
+		})
+
+		// 2. 保存配置（需后台鉴权）
+		api.POST("/config", func(c *gin.Context) {
+			if !verifyToken(bearerToken(c)) {
+				c.JSON(401, gin.H{"error": "未授权，请先登录后台"})
+				return
+			}
+			var rawBody interface{}
+			if err := c.BindJSON(&rawBody); err != nil {
+				c.JSON(400, gin.H{"error": "无效的JSON数据"})
+				return
+			}
+			jsonBytes, _ := json.Marshal(rawBody)
+
+			var config TemplateConfig
+			db.FirstOrCreate(&config, 1)
+			config.ConfigData = string(jsonBytes)
+
+			if err := db.Save(&config).Error; err != nil {
+				c.JSON(500, gin.H{"error": "数据库保存配置失败"})
+				return
+			}
+			c.JSON(200, gin.H{"code": 200, "msg": "配置保存成功"})
+		})
+
+		// 3. 提交出席信息
+		api.POST("/rsvp", func(c *gin.Context) {
+			var rsvp Rsvp
+			// BindJSON 会根据 json 标签映射字段
+			if err := c.ShouldBindJSON(&rsvp); err != nil {
+				c.JSON(400, gin.H{"error": "表单数据绑定失败", "details": err.Error()})
+				return
+			}
+
+			if err := db.Create(&rsvp).Error; err != nil {
+				c.JSON(500, gin.H{"error": "出席信息写入数据库失败"})
+				return
+			}
+			c.JSON(200, gin.H{"code": 200, "msg": "回执提交成功"})
+		})
+
+		// 4. 图片上传接口 (补全)
+		api.POST("/upload", func(c *gin.Context) {
+			file, err := c.FormFile("file")
+			if err != nil {
+				c.JSON(400, gin.H{"error": "未获取到上传文件"})
+				return
+			}
+
+			// 生成唯一文件名
+			filename := fmt.Sprintf("%d_%s", time.Now().Unix(), filepath.Base(file.Filename))
+			savePath := filepath.Join("uploads", filename)
+
+			if err := c.SaveUploadedFile(file, savePath); err != nil {
+				c.JSON(500, gin.H{"error": "文件保存至服务器失败"})
+				return
+			}
+
+			// 返回前端可访问的完整 URL
+			fileUrl := fmt.Sprintf("http://localhost:8080/uploads/%s", filename)
+			c.JSON(200, gin.H{
+				"code": 200,
+				"url":  fileUrl,
+			})
+		})
+
+		// 5. 出席回执列表（需后台鉴权）
+		api.GET("/rsvp/list", func(c *gin.Context) {
+			if !verifyToken(bearerToken(c)) {
+				c.JSON(401, gin.H{"error": "未授权，请先登录后台"})
+				return
+			}
+			var list []Rsvp
+			db.Order("created_at desc").Find(&list)
+			c.JSON(200, gin.H{"code": 200, "data": list})
+		})
+	}
+
+	fmt.Println("婚礼纪后端 API 已在 http://localhost:8080 启动")
+	r.Run(":8080")
+}