mirror of
https://gitee.com/johng/gf.git
synced 2024-12-01 11:48:09 +08:00
31 lines
702 B
Go
31 lines
702 B
Go
// Copyright 2017 gf Author(https://gitee.com/johng/gf). All Rights Reserved.
|
|
//
|
|
// This Source Code Form is subject to the terms of the MIT License.
|
|
// If a copy of the MIT was not distributed with this file,
|
|
// You can obtain one at https://gitee.com/johng/gf.
|
|
|
|
// 环境变量管理
|
|
package genv
|
|
|
|
import "os"
|
|
|
|
func All() []string {
|
|
return os.Environ()
|
|
}
|
|
|
|
// 获取环境变量，并可以指定当环境变量不存在时的默认值
|
|
func Get(k string, def...string) string {
|
|
v, ok := os.LookupEnv(k)
|
|
if !ok && len(def) > 0 {
|
|
return def[0]
|
|
}
|
|
return v
|
|
}
|
|
|
|
func Set(k, v string) error {
|
|
return os.Setenv(k, v)
|
|
}
|
|
|
|
func Remove(k string) error {
|
|
return os.Unsetenv(k)
|
|
} |