feat(*): go 后端项目脚手架
This commit is contained in:
130
pkg/config/config.go
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130
pkg/config/config.go
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@@ -0,0 +1,130 @@
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package config
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import (
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"encoding/json"
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"fmt"
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"log"
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"os"
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"path/filepath"
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"sync"
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"github.com/go-yaml/yaml"
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"github.com/spf13/viper"
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"github.com/zhilv666/navsite/pkg/consts"
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)
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var (
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globalViper *viper.Viper
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globalViperOnce sync.Once
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configMu sync.RWMutex
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cachedConfig *Config
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)
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// NewConfig 初始化配置
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func NewConfig() *Config {
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globalViperOnce.Do(func() {
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globalViper = viper.New()
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})
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configPath := loadConfigFile()
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if configPath == "" {
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log.Println("⚠️ 未找到配置文件，使用默认配置并导出为 config.yaml")
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cachedConfig = DefaultConfig()
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exportConfig(cachedConfig, "yaml")
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return cachedConfig
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}
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conf, err := parseConfig()
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if err != nil {
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log.Printf("⚠️ 解析配置失败，使用默认配置并导出为 config.yaml: %v", err)
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conf = DefaultConfig()
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exportConfig(conf, "yaml")
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}
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cachedConfig = conf
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return conf
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}
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// loadConfigFile 加载配置文件
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func loadConfigFile() string {
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files := []string{
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fmt.Sprintf("%s.yaml", consts.ConfigName),
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fmt.Sprintf("%s.yml", consts.ConfigName),
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fmt.Sprintf("%s.json", consts.ConfigName),
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}
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for _, file := range files {
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if _, err := os.Stat(file); err == nil {
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ext := filepath.Ext(file)[1:]
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globalViper.SetConfigFile(file)
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globalViper.SetConfigType(ext)
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globalViper.AddConfigPath(".")
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if err := globalViper.ReadInConfig(); err != nil {
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log.Printf("⚠️ 读取配置文件 %s 失败: %v", file, err)
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continue
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}
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log.Printf("✅ 成功加载配置文件: %s", file)
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return file
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}
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}
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return ""
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}
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// parseConfig 将配置解析为结构体
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func parseConfig() (*Config, error) {
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configMu.Lock()
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defer configMu.Unlock()
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var conf Config
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if err := globalViper.Unmarshal(&conf); err != nil {
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return nil, err
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}
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return &conf, nil
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}
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// exportConfig 导出配置文件（默认保存为 config.yaml）
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func exportConfig(conf *Config, format string) {
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var (
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data []byte
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err error
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)
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switch format {
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case "json":
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data, err = json.MarshalIndent(conf, "", " ")
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case "yaml", "yml", "":
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format = "yaml"
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data, err = yaml.Marshal(conf)
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default:
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log.Printf("⚠️ 不支持的导出格式: %s", format)
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return
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}
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if err != nil {
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log.Printf("⚠️ 导出 %s 格式配置失败: %v", format, err)
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return
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}
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filename := fmt.Sprintf("%s.%s", consts.ConfigName, format)
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if err := os.WriteFile(filename, data, 0644); err != nil {
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log.Printf("⚠️ 写入配置文件 %s 失败: %v", filename, err)
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} else {
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log.Printf("✅ 已导出配置文件: %s", filename)
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}
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log.Printf("📋 当前 %s 配置:\n%s", format, data)
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}
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// GetConfig 获取当前配置（线程安全）
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func GetConfig() *Config {
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configMu.RLock()
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defer configMu.RUnlock()
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if cachedConfig == nil {
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return DefaultConfig()
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}
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conf := *cachedConfig
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return &conf
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}
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76
pkg/config/types.go
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76
pkg/config/types.go
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@@ -0,0 +1,76 @@
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package config
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import (
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"path/filepath"
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"time"
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"github.com/zhilv666/navsite/pkg/common"
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)
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type Server struct {
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Debug bool `mapstructure:"debug"`
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Port int `mapstructure:"port"`
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}
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type Log struct {
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Level string `mapstructure:"level"`
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Filepath string `mapstructure:"filepath"`
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MaxSizeMB int `mapstructure:"max_size_mb"` // 单个日志文件最大(MB)
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MaxAgeDay int `mapstructure:"max_age_day"` // 日志文件最大保存天数
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Backups int `mapstructure:"backups"` // 保留的旧文件个数
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Compress bool `mapstructure:"compress"` // 是否压缩
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}
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type Database struct {
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Driver string `mapstructure:"driver"`
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User string `mapstructure:"user"`
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Password string `mapstructure:"password"`
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Host string `mapstructure:"host"`
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Port int `mapstructure:"port"`
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DbName string `mapstructure:"db_name"`
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SqliteDbPath string `mapstructure:"sqlite_db_path"`
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}
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type JWT struct {
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SecretKey string `mapstructure:"secret_key"`
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ExpireDurationHour time.Duration `mapstructure:"expire_duration_hour"`
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}
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type Config struct {
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Server Server `mapstructure:"server"`
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Log Log `mapstructure:"log"`
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Database Database `mapstructure:"database"`
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JWT JWT `mapstructure:"jwt"`
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}
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func DefaultConfig() *Config {
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logPath := filepath.Join("data", "log.log")
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dbPath := filepath.Join("data", "sqlite.db")
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return &Config{
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Server: Server{
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Debug: true,
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Port: 8080,
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},
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Log: Log{
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Level: "debug",
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Filepath: logPath,
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MaxSizeMB: 10,
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MaxAgeDay: 7,
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Backups: 3,
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Compress: true,
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},
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Database: Database{
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Driver: "sqlite",
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User: "",
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Password: "",
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Host: "",
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Port: 0,
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DbName: "",
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SqliteDbPath: dbPath,
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},
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JWT: JWT{
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SecretKey: common.Rand(16),
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ExpireDurationHour: 24,
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},
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}
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}
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