go18/book/v2/config/config.go

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2025-05-11 09:58:13 +08:00
package config
func Default() *Config {
return &Config{
Application: &application{
Host: "127.0.0.1",
Port: 8080,
},
MySQL: &mySQL{
Host: "127.0.0.1",
Port: 3306,
DB: "test",
Username: "root",
Password: "123456",
Debug: true,
},
}
}
// 这歌对象就是程序配置
// yaml, toml
type Config struct {
Application *application `toml:"app" yaml:"app" json:"app"`
MySQL *mySQL `toml:"mysql" yaml:"mysql" json:"mysql"`
}
// 应用服务
type application struct {
Host string `toml:"host" yaml:"host" json:"host" env:"HOST"`
Port int `toml:"port" yaml:"port" json:"port" env:"PORT"`
}
// db对象也是一个单列模式
type mySQL struct {
Host string `json:"host" yaml:"host" toml:"host" env:"DATASOURCE_HOST"`
Port int `json:"port" yaml:"port" toml:"port" env:"DATASOURCE_PORT"`
DB string `json:"database" yaml:"database" toml:"database" env:"DATASOURCE_DB"`
Username string `json:"username" yaml:"username" toml:"username" env:"DATASOURCE_USERNAME"`
Password string `json:"password" yaml:"password" toml:"password" env:"DATASOURCE_PASSWORD"`
Debug bool `json:"debug" yaml:"debug" toml:"debug" env:"DATASOURCE_DEBUG"`
}