140 lines
3.4 KiB
Go
140 lines
3.4 KiB
Go
package config
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import (
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"fmt"
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"os"
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"path/filepath"
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"github.com/spf13/viper"
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)
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// Config 全局配置结构
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type Config struct {
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Server ServerConfig `mapstructure:"server"`
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Database DatabaseConfig `mapstructure:"database"`
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Storage StorageConfig `mapstructure:"storage"`
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Admin AdminConfig `mapstructure:"admin"`
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JWT JWTConfig `mapstructure:"jwt"`
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Log LogConfig `mapstructure:"log"`
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}
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type ServerConfig struct {
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Port string `mapstructure:"port"`
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Mode string `mapstructure:"mode"` // debug / release / test
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Domain string `mapstructure:"domain"` // 生产环境域名
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}
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type DatabaseConfig struct {
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Driver string `mapstructure:"driver"`
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Source string `mapstructure:"source"`
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}
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type StorageConfig struct {
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Root string `mapstructure:"root"` // 文件存储根目录
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Backups string `mapstructure:"backups"` // 备份目录
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}
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type AdminConfig struct {
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Username string `mapstructure:"username"`
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Password string `mapstructure:"password"`
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Email string `mapstructure:"email"`
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Role string `mapstructure:"role"`
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}
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type JWTConfig struct {
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Secret string `mapstructure:"secret"`
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Expire string `mapstructure:"expire"` // 如 24h
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}
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type LogConfig struct {
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Level string `mapstructure:"level"` // debug/info/warn/error
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Dir string `mapstructure:"dir"` // 日志文件目录，为空则仅输出到控制台
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MaxDays int `mapstructure:"max_days"` // 日志保留天数
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}
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var cfg *Config
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// Load 加载配置文件，不存在时使用默认值并生成示例配置
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func Load(path string) (*Config, error) {
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v := viper.New()
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setDefaults(v)
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// 设置环境变量前缀
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v.SetEnvPrefix("FSS")
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v.AutomaticEnv()
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if path == "" {
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path = "config.yaml"
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}
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// 尝试加载配置文件
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if _, err := os.Stat(path); err == nil {
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v.SetConfigFile(path)
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if err := v.ReadInConfig(); err != nil {
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return nil, fmt.Errorf("读取配置文件失败: %w", err)
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}
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} else {
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// 配置文件不存在时生成一份默认配置
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_ = v.SafeWriteConfigAs(path)
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}
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c := &Config{}
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if err := v.Unmarshal(c); err != nil {
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return nil, fmt.Errorf("解析配置失败: %w", err)
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}
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cfg = c
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return c, nil
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}
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func setDefaults(v *viper.Viper) {
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v.SetDefault("server.port", "8100")
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v.SetDefault("server.mode", "debug")
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v.SetDefault("server.domain", "https://file.yunzer.cn")
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v.SetDefault("database.driver", "sqlite")
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v.SetDefault("database.source", "./storage/data.db")
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v.SetDefault("storage.root", "./storage/files")
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v.SetDefault("storage.backups", "./storage/backups")
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v.SetDefault("admin.username", "admin")
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v.SetDefault("admin.password", "admin123")
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v.SetDefault("admin.email", "admin@example.com")
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v.SetDefault("admin.role", "super_admin")
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v.SetDefault("jwt.secret", "please-change-this-secret-key")
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v.SetDefault("jwt.expire", "24h")
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v.SetDefault("log.level", "info")
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v.SetDefault("log.dir", "./storage/logs")
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v.SetDefault("log.max_days", 7)
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}
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// Get 获取全局配置
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func Get() *Config {
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if cfg == nil {
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c, _ := Load("")
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cfg = c
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}
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return cfg
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}
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// EnsureDirs 确保所有存储相关目录存在
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func (c *Config) EnsureDirs() error {
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dirs := []string{
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filepath.Dir(c.Database.Source),
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c.Storage.Root,
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c.Storage.Backups,
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c.Log.Dir,
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}
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for _, d := range dirs {
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if d == "" {
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continue
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}
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if err := os.MkdirAll(d, 0o755); err != nil {
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return fmt.Errorf("创建目录 %s 失败: %w", d, err)
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}
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}
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return nil
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}
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