2025-10-27 23:12:15 +08:00
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package config
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import (
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"bytes"
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"encoding/json"
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2026-03-28 23:30:02 +08:00
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"os"
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2025-10-31 09:38:36 +08:00
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"path/filepath"
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2025-10-27 23:12:15 +08:00
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2026-04-09 01:00:31 +08:00
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"NetworkAuth/utils"
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2025-10-27 23:12:15 +08:00
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log "github.com/sirupsen/logrus"
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"github.com/spf13/viper"
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)
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2026-03-28 23:30:02 +08:00
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var currentConfigFilePath string
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2025-10-27 23:12:15 +08:00
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// ============================================================================
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// 结构体定义
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// ============================================================================
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// ServerConfig 服务器配置结构体
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// 包含服务器运行相关的配置信息
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type ServerConfig struct {
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Host string `json:"host" mapstructure:"host"` // 服务器监听地址
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Port int `json:"port" mapstructure:"port"` // 服务器监听端口
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Dist string `json:"dist" mapstructure:"dist"` // 静态文件目录
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DevMode bool `json:"dev_mode" mapstructure:"dev_mode"` // 开发模式(跳过验证码等)
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AccessLog bool `json:"access_log" mapstructure:"access_log"` // 是否输出访问日志
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2025-10-27 23:12:15 +08:00
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}
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// DatabaseConfig 数据库配置结构体
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// 包含数据库连接相关的配置信息
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type DatabaseConfig struct {
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Type string `json:"type" mapstructure:"type"` // 数据库类型(mysql/sqlite)
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MySQL MySQLConfig `json:"mysql" mapstructure:"mysql"` // MySQL配置
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SQLite SQLiteConfig `json:"sqlite" mapstructure:"sqlite"` // SQLite配置
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}
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// MySQLConfig MySQL数据库配置结构体
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// 包含MySQL数据库连接的详细配置信息
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type MySQLConfig struct {
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Host string `json:"host" mapstructure:"host"` // 数据库主机地址
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Port int `json:"port" mapstructure:"port"` // 数据库端口
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Username string `json:"username" mapstructure:"username"` // 数据库用户名
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Password string `json:"password" mapstructure:"password"` // 数据库密码
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Database string `json:"database" mapstructure:"database"` // 数据库名称
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Charset string `json:"charset" mapstructure:"charset"` // 字符集
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MaxIdleConns int `json:"max_idle_conns" mapstructure:"max_idle_conns"` // 最大空闲连接数
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MaxOpenConns int `json:"max_open_conns" mapstructure:"max_open_conns"` // 最大打开连接数
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}
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// SQLiteConfig SQLite数据库配置结构体
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// 包含SQLite数据库文件路径配置
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type SQLiteConfig struct {
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Path string `json:"path" mapstructure:"path"` // 数据库文件路径
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}
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// RedisConfig Redis配置结构体
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// 包含Redis连接相关的配置信息
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type RedisConfig struct {
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Host string `json:"host" mapstructure:"host"` // Redis服务器地址
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Port int `json:"port" mapstructure:"port"` // Redis服务器端口
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Password string `json:"password" mapstructure:"password"` // Redis密码
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DB int `json:"db" mapstructure:"db"` // Redis数据库编号
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}
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// LogConfig 日志配置结构体
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// 包含日志记录相关的配置信息
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type LogConfig struct {
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Level string `json:"level" mapstructure:"level"` // 日志级别
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File string `json:"file" mapstructure:"file"` // 日志文件路径
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MaxSize int `json:"max_size" mapstructure:"max_size"` // 单个日志文件最大大小(MB)
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MaxBackups int `json:"max_backups" mapstructure:"max_backups"` // 保留的旧日志文件数量
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MaxAge int `json:"max_age" mapstructure:"max_age"` // 日志文件保留天数
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}
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// AppConfig 应用配置结构体
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type AppConfig struct {
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Server ServerConfig `json:"server" mapstructure:"server"`
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Database DatabaseConfig `json:"database" mapstructure:"database"`
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Redis RedisConfig `json:"redis" mapstructure:"redis"`
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Log LogConfig `json:"log" mapstructure:"log"`
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}
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// ============================================================================
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// 公共函数
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// ============================================================================
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// GetDefaultAppConfig 获取默认应用配置
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func GetDefaultAppConfig() *AppConfig {
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return &AppConfig{
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Server: ServerConfig{
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Host: "0.0.0.0",
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Port: 8080,
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Dist: "",
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DevMode: false,
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AccessLog: true,
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2025-10-27 23:12:15 +08:00
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},
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Database: DatabaseConfig{
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Type: "sqlite",
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MySQL: MySQLConfig{
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Host: "localhost",
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Port: 3306,
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Username: "",
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Password: "",
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Database: "",
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2025-10-27 23:12:15 +08:00
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Charset: "utf8mb4",
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MaxIdleConns: 10,
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MaxOpenConns: 100,
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},
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SQLite: SQLiteConfig{
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Path: "database.db",
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2025-10-27 23:12:15 +08:00
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},
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},
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Redis: RedisConfig{
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Host: "localhost",
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Port: 6379,
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Password: "",
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DB: 0,
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},
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Log: LogConfig{
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Level: "info",
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File: "logs/app.log",
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2025-10-27 23:12:15 +08:00
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MaxSize: 100,
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MaxBackups: 5,
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MaxAge: 30,
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},
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}
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}
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// Init 初始化配置文件
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func Init(cfgFilePath string) {
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if !filepath.IsAbs(cfgFilePath) {
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2026-05-12 03:37:42 +08:00
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if wd, err := os.Getwd(); err == nil {
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candidate := filepath.Clean(filepath.Join(wd, cfgFilePath))
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if _, statErr := os.Stat(candidate); statErr == nil {
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cfgFilePath = candidate
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} else {
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cfgFilePath = filepath.Join(utils.GetRootDir(), cfgFilePath)
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}
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} else {
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cfgFilePath = filepath.Join(utils.GetRootDir(), cfgFilePath)
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}
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2026-04-09 01:00:31 +08:00
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}
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2026-04-27 23:09:33 +08:00
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2026-03-28 23:30:02 +08:00
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currentConfigFilePath = cfgFilePath
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2025-10-31 10:28:25 +08:00
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viper.SetConfigFile(cfgFilePath)
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viper.SetConfigType("json")
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viper.AddConfigPath(".")
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2026-04-27 23:09:33 +08:00
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defaultConfig := GetDefaultAppConfig()
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var needWrite bool
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var configBytes []byte
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2026-04-27 23:09:33 +08:00
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// 检查配置文件是否存在
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fileContent, err := os.ReadFile(cfgFilePath)
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if err != nil {
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if os.IsNotExist(err) {
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log.WithField("file", utils.DisplayPath(filepath.Clean(cfgFilePath))).Info("配置文件不存在,将在本地生成默认配置")
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needWrite = true
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} else {
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log.WithField("err", err).Fatal("读取配置文件失败")
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2025-10-27 23:12:15 +08:00
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}
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2026-04-27 23:09:33 +08:00
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} else {
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// 尝试解析现有的配置,与默认配置合并,结构不一致则重写
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if err := json.Unmarshal(fileContent, defaultConfig); err != nil {
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log.WithField("err", err).Warn("配置文件解析失败,将使用默认值重写")
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needWrite = true
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} else {
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// 将合并后的配置重新序列化,比对是否需要更新(例如结构体增加了新字段)
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newBytes, _ := json.MarshalIndent(defaultConfig, "", " ")
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// 简单比较去除空白后的长度或内容
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if !bytes.Equal(bytes.TrimSpace(fileContent), bytes.TrimSpace(newBytes)) {
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needWrite = true
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}
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2026-03-19 05:11:44 +08:00
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}
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2026-04-27 23:09:33 +08:00
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}
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2026-03-28 23:30:02 +08:00
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2026-04-27 23:09:33 +08:00
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if needWrite {
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configBytes, err = json.MarshalIndent(defaultConfig, "", " ")
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if err != nil {
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log.WithField("err", err).Fatal("配置序列化错误")
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}
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if err := os.MkdirAll(filepath.Dir(cfgFilePath), 0755); err != nil {
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log.WithField("err", err).Fatal("创建配置目录失败")
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}
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if err := os.WriteFile(cfgFilePath, configBytes, 0644); err != nil {
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log.WithField("err", err).Fatal("写入配置文件失败")
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}
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if len(fileContent) == 0 {
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log.Info("已成功生成并加载默认配置")
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} else {
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log.Info("已写出更新后的配置结构到文件")
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2026-03-28 23:30:02 +08:00
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}
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2026-04-27 23:09:33 +08:00
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} else {
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configBytes = fileContent
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}
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2025-10-27 23:12:15 +08:00
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2026-04-27 23:09:33 +08:00
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// 将配置加载到viper中
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if err := viper.ReadConfig(bytes.NewBuffer(configBytes)); err != nil {
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log.WithField("err", err).Fatal("读取配置到viper失败")
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}
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cleanPath := filepath.Clean(cfgFilePath)
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log.WithField("file", utils.DisplayPath(cleanPath)).Info("使用配置文件")
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2025-10-27 23:12:15 +08:00
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// 验证配置
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if _, err := ValidateConfig(); err != nil {
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log.WithFields(
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log.Fields{
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"err": err,
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},
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).Fatal("配置内容验证失败")
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}
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}
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2026-03-28 23:30:02 +08:00
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func SaveConfig(appConfig *AppConfig) error {
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if err := ValidateConfigValue(appConfig); err != nil {
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return err
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}
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if currentConfigFilePath == "" {
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currentConfigFilePath = "config.json"
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}
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if !filepath.IsAbs(currentConfigFilePath) {
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currentConfigFilePath = filepath.Join(utils.GetRootDir(), currentConfigFilePath)
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2026-03-28 23:30:02 +08:00
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}
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if err := os.MkdirAll(filepath.Dir(currentConfigFilePath), 0755); err != nil {
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return err
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}
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configBytes, err := json.MarshalIndent(appConfig, "", " ")
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if err != nil {
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return err
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}
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if err := os.WriteFile(currentConfigFilePath, configBytes, 0644); err != nil {
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return err
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}
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viper.SetConfigFile(currentConfigFilePath)
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viper.SetConfigType("json")
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if err := viper.ReadInConfig(); err != nil {
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return err
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}
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syncViperConfig(appConfig)
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return nil
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}
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2026-03-18 21:51:17 +08:00
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// UpdateConfig 更新配置文件
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// 接收一个回调函数,在回调函数中修改配置对象,然后保存到文件
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func UpdateConfig(updateFn func(*AppConfig)) error {
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// 1. 获取当前配置
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var currentConfig AppConfig
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if err := viper.Unmarshal(¤tConfig); err != nil {
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return err
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}
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2026-03-18 21:51:17 +08:00
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// 2. 执行更新回调
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updateFn(¤tConfig)
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2026-03-28 23:30:02 +08:00
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return SaveConfig(¤tConfig)
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}
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2026-03-18 21:51:17 +08:00
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2026-03-28 23:30:02 +08:00
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func syncViperConfig(currentConfig *AppConfig) {
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2026-03-18 21:51:17 +08:00
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viper.Set("server.host", currentConfig.Server.Host)
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viper.Set("server.port", currentConfig.Server.Port)
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viper.Set("server.dist", currentConfig.Server.Dist)
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viper.Set("server.dev_mode", currentConfig.Server.DevMode)
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viper.Set("server.access_log", currentConfig.Server.AccessLog)
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viper.Set("database.type", currentConfig.Database.Type)
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viper.Set("database.mysql.host", currentConfig.Database.MySQL.Host)
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viper.Set("database.mysql.port", currentConfig.Database.MySQL.Port)
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viper.Set("database.mysql.username", currentConfig.Database.MySQL.Username)
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viper.Set("database.mysql.password", currentConfig.Database.MySQL.Password)
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viper.Set("database.mysql.database", currentConfig.Database.MySQL.Database)
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viper.Set("database.mysql.charset", currentConfig.Database.MySQL.Charset)
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viper.Set("database.mysql.max_idle_conns", currentConfig.Database.MySQL.MaxIdleConns)
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viper.Set("database.mysql.max_open_conns", currentConfig.Database.MySQL.MaxOpenConns)
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viper.Set("database.sqlite.path", currentConfig.Database.SQLite.Path)
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viper.Set("redis.host", currentConfig.Redis.Host)
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viper.Set("redis.port", currentConfig.Redis.Port)
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viper.Set("redis.password", currentConfig.Redis.Password)
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viper.Set("redis.db", currentConfig.Redis.DB)
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viper.Set("log.level", currentConfig.Log.Level)
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viper.Set("log.file", currentConfig.Log.File)
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viper.Set("log.max_size", currentConfig.Log.MaxSize)
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viper.Set("log.max_backups", currentConfig.Log.MaxBackups)
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viper.Set("log.max_age", currentConfig.Log.MaxAge)
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2025-10-27 23:12:15 +08:00
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}
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