初始化
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115
server/config/config.go
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115
server/config/config.go
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// Package config 负责加载和管理应用配置
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// 使用 viper 从 YAML 配置文件中读取配置项
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package config
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import (
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"fmt"
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"log"
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"github.com/spf13/viper"
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)
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// AppConfig 全局配置实例
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var AppConfig *Config
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// Config 应用配置结构体
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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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JWT JWTConfig `mapstructure:"jwt"`
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Storage StorageConfig `mapstructure:"storage"`
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Backup BackupConfig `mapstructure:"backup"`
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}
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// BackupConfig 备份工具配置
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type BackupConfig struct {
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MysqlDumpPath string `mapstructure:"mysqldump_path"` // mysqldump 路径
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MysqlPath string `mapstructure:"mysql_path"` // mysql 路径
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}
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// ServerConfig 服务器配置
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type ServerConfig struct {
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Port int `mapstructure:"port"`
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Mode string `mapstructure:"mode"` // debug / release
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PublicURL string `mapstructure:"public_url"` // 公网访问地址, 如 http://files.example.com
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}
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// DatabaseConfig 数据库配置
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type DatabaseConfig struct {
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Host string `mapstructure:"host"`
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Port int `mapstructure:"port"`
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Username string `mapstructure:"username"`
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Password string `mapstructure:"password"`
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DBName string `mapstructure:"dbname"`
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}
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// DSN 返回数据库连接字符串
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func (d *DatabaseConfig) DSN() string {
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return fmt.Sprintf("%s:%s@tcp(%s:%d)/%s?charset=utf8mb4&parseTime=True&loc=Local",
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d.Username, d.Password, d.Host, d.Port, d.DBName)
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}
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// JWTConfig JWT配置
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type JWTConfig struct {
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Secret string `mapstructure:"secret"`
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Expiration int `mapstructure:"expiration"` // 过期时间(小时)
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}
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// StorageConfig 存储配置
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type StorageConfig struct {
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DefaultPolicyID uint `mapstructure:"default_policy_id"`
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LocalBasePath string `mapstructure:"local_base_path"`
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CDNHost string `mapstructure:"cdn_host"` // CDN地址, 如 http://localhost:3090
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CDNPathPrefix string `mapstructure:"cdn_path_prefix"` // CDN路径前缀, 如 /public
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}
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// Load 加载配置文件
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// 配置文件搜索路径: ./config.yaml, ./config/config.yaml
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func Load() (*Config, error) {
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viper.SetConfigName("config")
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viper.SetConfigType("yaml")
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viper.AddConfigPath(".")
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viper.AddConfigPath("./config")
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viper.AddConfigPath("./server")
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// 设置默认值
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setDefaults()
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if err := viper.ReadInConfig(); err != nil {
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if _, ok := err.(viper.ConfigFileNotFoundError); !ok {
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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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log.Println("未找到配置文件, 使用默认配置")
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}
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AppConfig = &Config{}
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if err := viper.Unmarshal(AppConfig); 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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return AppConfig, nil
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}
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// setDefaults 设置配置默认值
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func setDefaults() {
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// 服务器默认配置
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viper.SetDefault("server.port", 8080)
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viper.SetDefault("server.mode", "debug")
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// 数据库默认配置
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viper.SetDefault("database.host", "127.0.0.1")
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viper.SetDefault("database.port", 3306)
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viper.SetDefault("database.username", "root")
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viper.SetDefault("database.password", "root")
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viper.SetDefault("database.dbname", "seeyon_fs")
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// JWT默认配置
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viper.SetDefault("jwt.secret", "seeyon-filesystem-jwt-secret-key-2024")
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viper.SetDefault("jwt.expiration", 24)
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// 存储默认配置
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viper.SetDefault("storage.default_policy_id", 1)
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viper.SetDefault("storage.local_base_path", "./data/storage")
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viper.SetDefault("storage.cdn_host", "")
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viper.SetDefault("storage.cdn_path_prefix", "/public")
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}
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