修改项目为前后端分离方案

controllers/install/install.go

@@ -6,20 +6,15 @@ import (
 	"NetworkAuth/models"
 	"NetworkAuth/services"
 	"NetworkAuth/utils"
+	"fmt"
 	"net/http"
 	"strings"
 
 	"github.com/gin-gonic/gin"
+	"gorm.io/driver/mysql"
+	"gorm.io/gorm"
 )
 
-// InstallPageHandler 渲染安装页面
-func InstallPageHandler(c *gin.Context) {
-	// 由于前端是通过模板渲染的，我们返回一个安装页面
-	c.HTML(http.StatusOK, "install.html", gin.H{
-		"title": "NetworkAuth 系统初始化",
-	})
-}
-
 // InstallSubmitHandler 处理安装表单提交
 func InstallSubmitHandler(c *gin.Context) {
 	var req struct {
@@ -58,7 +53,24 @@ func InstallSubmitHandler(c *gin.Context) {
 		return
 	}
 
-	// 2. 重新初始化数据库连接并执行迁移
+	// 2. 使用新配置尝试连接数据库
+	var testDB *gorm.DB
+	if req.DbType == "mysql" {
+		dsn := fmt.Sprintf("%s:%s@tcp(%s:%d)/%s?charset=utf8mb4&parseTime=True&loc=Local",
+			req.DbUser, req.DbPass, req.DbHost, req.DbPort, req.DbName)
+		testDB, err = gorm.Open(mysql.Open(dsn), &gorm.Config{})
+		if err != nil {
+			c.JSON(http.StatusInternalServerError, gin.H{"code": 1, "msg": "连接 MySQL 数据库失败，请检查配置是否正确: " + err.Error()})
+			return
+		}
+		sqlDB, err := testDB.DB()
+		if err != nil || sqlDB.Ping() != nil {
+			c.JSON(http.StatusInternalServerError, gin.H{"code": 1, "msg": "连接 MySQL 数据库失败，无法 Ping 通，请检查配置是否正确"})
+			return
+		}
+	}
+
+	// 3. 重新初始化全局数据库连接并执行迁移
 	db, err := database.ReInit()
 	if err != nil {
 		c.JSON(http.StatusInternalServerError, gin.H{"code": 1, "msg": "连接数据库失败: " + err.Error()})
@@ -66,7 +78,7 @@ func InstallSubmitHandler(c *gin.Context) {
 	}
 
 	if db == nil {
-		c.JSON(http.StatusInternalServerError, gin.H{"code": 1, "msg": "获取数据库实例失败"})
+		c.JSON(http.StatusInternalServerError, gin.H{"code": 1, "msg": "获取数据库实例失败，请检查数据库配置是否正确"})
 		return
 	}
 
@@ -91,17 +103,55 @@ func InstallSubmitHandler(c *gin.Context) {
 		return
 	}
 
-	// 4. 更新设置表
-	settingsToUpdate := map[string]string{
-		"site_title":          req.SiteTitle,
-		"admin_username":      strings.TrimSpace(req.AdminUsername),
-		"admin_password":      adminPasswordHash,
-		"admin_password_salt": adminSalt,
-		"is_installed":        "1", // 标记为已安装
-	}
-
 	// 开启事务进行更新
 	tx := db.Begin()
+
+	// 更新或创建超级管理员账号
+	var adminUser models.User
+	if err := tx.Where("uuid = ?", "00000000-0000-0000-0000-000000000000").First(&adminUser).Error; err != nil {
+		// 如果不存在则创建
+		adminUser = models.User{
+			UUID:         "00000000-0000-0000-0000-000000000000",
+			Username:     strings.TrimSpace(req.AdminUsername),
+			Password:     adminPasswordHash,
+			PasswordSalt: adminSalt,
+			Nickname:     "管理员",
+			Avatar:       "",
+			Role:         0,
+			Status:       1,
+			Remark:       "系统默认超级管理员",
+		}
+		// 使用 Select("Role") 确保 Role 字段（值为0时是零值）被显式插入，避免使用数据库默认值 1
+		if err := tx.Select("UUID", "Username", "Password", "PasswordSalt", "Nickname", "Avatar", "Role", "Status", "Remark").Create(&adminUser).Error; err != nil {
+			tx.Rollback()
+			c.JSON(http.StatusInternalServerError, gin.H{"code": 1, "msg": "创建管理员账号失败"})
+			return
+		}
+	} else {
+		// 存在则更新
+		adminUser.Username = strings.TrimSpace(req.AdminUsername)
+		adminUser.Password = adminPasswordHash
+		adminUser.PasswordSalt = adminSalt
+		adminUser.Nickname = "管理员"
+		adminUser.Role = 0
+		if err := tx.Save(&adminUser).Error; err != nil {
+			tx.Rollback()
+			c.JSON(http.StatusInternalServerError, gin.H{"code": 1, "msg": "更新管理员账号失败"})
+			return
+		}
+		// 确保角色被更新为0（GORM的Save可能忽略零值，所以额外Update一次）
+		tx.Model(&adminUser).Update("Role", 0)
+	}
+
+	// 如果是新创建的，再额外确保一次 Role 为 0，避免 default 标签导致的零值问题
+	tx.Model(&adminUser).Update("Role", 0)
+
+	// 4. 更新设置表
+	settingsToUpdate := map[string]string{
+		"site_title":   req.SiteTitle,
+		"is_installed": "1", // 标记为已安装
+	}
+
 	for name, value := range settingsToUpdate {
 		// 先尝试更新，如果没有该记录，则忽略（因为 AutoMigrate 已经创建了默认记录）
 		if err := tx.Model(&models.Settings{}).Where("name = ?", name).Update("value", value).Error; err != nil {
@@ -113,10 +163,7 @@ func InstallSubmitHandler(c *gin.Context) {
 	tx.Commit()
 
 	// 5. 更新内存缓存
-	settingsService := services.GetSettingsService()
-	for name, value := range settingsToUpdate {
-		settingsService.Set(name, value)
-	}
+	services.ResetSettingsService()
 
 	c.JSON(http.StatusOK, gin.H{"code": 0, "msg": "安装成功"})
 }