feat: Initial commit

internal/services/config_service.go

@@ -0,0 +1,71 @@
+package services
+
+import (
+	"baihu/internal/constant"
+	"encoding/json"
+	"os"
+)
+
+type ServerConfig struct {
+	Port     int    `json:"port"`
+	Host     string `json:"host"`
+	SiteName string `json:"site_name"`
+}
+
+type DatabaseConfig struct {
+	Type        string `json:"type"`
+	Host        string `json:"host"`
+	Port        int    `json:"port"`
+	User        string `json:"user"`
+	Password    string `json:"password"`
+	DBName      string `json:"dbname"`
+	Path        string `json:"path"`
+	TablePrefix string `json:"table_prefix"`
+}
+
+type SecurityConfig struct {
+	JWTSecret    string `json:"jwt_secret"`
+	PasswordSalt string `json:"password_salt"`
+}
+
+type TaskConfig struct {
+	DefaultTimeout   int `json:"default_timeout"`
+	LogRetentionDays int `json:"log_retention_days"`
+}
+
+type AppConfig struct {
+	Server   ServerConfig   `json:"server"`
+	Database DatabaseConfig `json:"database"`
+	Security SecurityConfig `json:"security"`
+	Task     TaskConfig     `json:"task"`
+}
+
+var Config *AppConfig
+
+func LoadConfig(path string) (*AppConfig, error) {
+	data, err := os.ReadFile(path)
+	if err != nil {
+		return nil, err
+	}
+
+	Config = &AppConfig{}
+	if err := json.Unmarshal(data, Config); err != nil {
+		return nil, err
+	}
+
+	// 设置表前缀到 constant 包
+	if Config.Database.TablePrefix != "" {
+		constant.TablePrefix = Config.Database.TablePrefix
+	}
+
+	// 设置 JWT 密钥
+	if Config.Security.JWTSecret != "" {
+		constant.JWTSecret = Config.Security.JWTSecret
+	}
+
+	return Config, nil
+}
+
+func GetConfig() *AppConfig {
+	return Config
+}